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observatory

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alma 2025-05-04 17:02:25 +02:00
parent 1bc512af60
commit 125c16b6f6
205 changed files with 52690 additions and 195 deletions
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395
components/observatory/observatory-map.tsx
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@ -1,13 +1,12 @@
"use client";
import { useEffect, useRef } from "react";
import { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
interface CountryData {
name: string;
count: number;
// In a real implementation, we would have coordinates
x?: number;
y?: number;
position?: [number, number]; // latitude, longitude
}
interface ObservatoryMapProps {
@ -16,220 +15,230 @@ interface ObservatoryMapProps {
selectedCountry: string | null;
}
// Simplified map positions for common countries
const COUNTRY_POSITIONS: Record<string, [number, number]> = {
// Add type declaration for leaflet
declare global {
interface Window {
_leaflet_L: any;
}
}
// Mapping of countries to geographic coordinates [latitude, longitude]
const COUNTRY_COORDINATES: Record<string, [number, number]> = {
// Africa
'Sudan': [0.55, 0.45],
'Egypt': [0.57, 0.40],
'South Africa': [0.55, 0.65],
'Nigeria': [0.48, 0.50],
'Kenya': [0.59, 0.52],
'Ethiopia': [0.60, 0.47],
'Morocco': [0.45, 0.38],
'Algeria': [0.47, 0.40],
'Tunisia': [0.48, 0.36],
'Sudan': [15.5, 30.5],
'Egypt': [26.8, 30.8],
'South Africa': [-30.6, 22.9],
'Nigeria': [9.1, 8.7],
'Kenya': [0.0, 38.0],
'Ethiopia': [9.1, 40.5],
'Morocco': [31.8, -7.1],
'Algeria': [28.0, 1.7],
'Tunisia': [34.0, 9.0],
// Americas
'USA': [0.25, 0.35],
'New York': [0.28, 0.32],
'Canada': [0.22, 0.25],
'Mexico': [0.20, 0.40],
'Brazil': [0.35, 0.60],
'Argentina': [0.32, 0.70],
'USA': [37.1, -95.7],
'New York': [40.7, -74.0],
'Canada': [56.1, -106.3],
'Mexico': [23.6, -102.5],
'Brazil': [-14.2, -51.9],
'Argentina': [-38.4, -63.6],
// Europe
'UK': [0.45, 0.25],
'France': [0.48, 0.30],
'Germany': [0.50, 0.28],
'Italy': [0.52, 0.33],
'Spain': [0.45, 0.33],
'Ukraine': [0.57, 0.28],
'Russia': [0.65, 0.20],
'Poland': [0.53, 0.26],
'Sweden': [0.52, 0.18],
'Norway': [0.50, 0.15],
'Finland': [0.55, 0.15],
'Greece': [0.55, 0.35],
'Netherlands': [0.48, 0.25],
'Belgium': [0.47, 0.27],
'Portugal': [0.43, 0.35],
'Switzerland': [0.49, 0.29],
'Austria': [0.51, 0.29],
'UK': [55.4, -3.4],
'France': [46.2, 2.2],
'Germany': [51.2, 10.4],
'Italy': [41.9, 12.6],
'Spain': [40.5, -3.7],
'Ukraine': [48.4, 31.2],
'Russia': [61.5, 105.3],
'Poland': [51.9, 19.1],
'Sweden': [60.1, 18.6],
'Norway': [60.5, 8.5],
'Finland': [61.9, 25.7],
'Greece': [39.1, 21.8],
'Netherlands': [52.1, 5.3],
'Belgium': [50.5, 4.5],
'Portugal': [39.4, -8.2],
'Switzerland': [46.8, 8.2],
'Austria': [47.5, 14.5],
// Asia
'China': [0.75, 0.35],
'India': [0.70, 0.40],
'Japan': [0.85, 0.33],
'South Korea': [0.83, 0.32],
'Indonesia': [0.78, 0.55],
'Thailand': [0.75, 0.45],
'Vietnam': [0.78, 0.43],
'Philippines': [0.82, 0.45],
'Malaysia': [0.76, 0.50],
'Singapore': [0.76, 0.52],
'Pakistan': [0.67, 0.38],
'Iran': [0.62, 0.38],
'Iraq': [0.60, 0.38],
'Saudi Arabia': [0.60, 0.42],
'Turkey': [0.58, 0.35],
'Israel': [0.58, 0.38],
'Palestine': [0.58, 0.39],
'Syria': [0.59, 0.37],
'Afghanistan': [0.65, 0.38],
'China': [35.9, 104.2],
'India': [20.6, 79.0],
'Japan': [36.2, 138.3],
'South Korea': [35.9, 127.8],
'Indonesia': [-0.8, 113.9],
'Thailand': [15.9, 101.0],
'Vietnam': [14.1, 108.3],
'Philippines': [12.9, 121.8],
'Malaysia': [4.2, 101.9],
'Singapore': [1.3, 103.8],
'Pakistan': [30.4, 69.3],
'Iran': [32.4, 53.7],
'Iraq': [33.2, 43.7],
'Saudi Arabia': [23.9, 45.1],
'Turkey': [38.9, 35.2],
'Israel': [31.0, 34.9],
'Palestine': [31.9, 35.2],
'Syria': [34.8, 39.0],
'Afghanistan': [33.9, 67.7],
// Oceania
'Australia': [0.80, 0.65]
'Australia': [-25.3, 133.8],
// Other
'United Nations': [40.7, -74.0], // UN HQ in New York
};
export function ObservatoryMap({
countries,
// Dynamic imports for Leaflet components to avoid SSR issues
// We use "any" type here to avoid TypeScript errors with dynamic imports
const MapContainer: any = dynamic(
() => import('react-leaflet').then(mod => mod.MapContainer),
{ ssr: false }
);
const TileLayer: any = dynamic(
() => import('react-leaflet').then(mod => mod.TileLayer),
{ ssr: false }
);
const Marker: any = dynamic(
() => import('react-leaflet').then(mod => mod.Marker),
{ ssr: false }
);
const Popup: any = dynamic(
() => import('react-leaflet').then(mod => mod.Popup),
{ ssr: false }
);
const ZoomControl: any = dynamic(
() => import('react-leaflet').then(mod => mod.ZoomControl),
{ ssr: false }
);
export function ObservatoryMap({
countries,
onCountrySelect,
selectedCountry
selectedCountry
}: ObservatoryMapProps) {
const canvasRef = useRef<HTMLCanvasElement>(null);
const [isMounted, setIsMounted] = useState(false);
// Draw the map and country markers
// We'll need the Leaflet CSS
useEffect(() => {
const canvas = canvasRef.current;
if (!canvas) return;
const ctx = canvas.getContext('2d');
if (!ctx) return;
// Set canvas dimensions
const updateCanvasDimensions = () => {
const parent = canvas.parentElement;
if (parent) {
canvas.width = parent.clientWidth;
canvas.height = parent.clientHeight;
// Import Leaflet CSS only on the client
const loadLeafletStyles = async () => {
try {
await import('leaflet/dist/leaflet.css');
} catch (e) {
console.error('Failed to load Leaflet CSS', e);
}
};
updateCanvasDimensions();
window.addEventListener('resize', updateCanvasDimensions);
loadLeafletStyles();
// Clear canvas
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Draw world map background (simplified)
ctx.fillStyle = '#f9f9f9';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Draw grid lines for better visualization
ctx.strokeStyle = '#e5e5e5';
ctx.lineWidth = 1;
// Horizontal grid lines
for (let y = 0; y < canvas.height; y += 50) {
ctx.beginPath();
ctx.moveTo(0, y);
ctx.lineTo(canvas.width, y);
ctx.stroke();
// Add marker icons to prevent missing icons issue
if (typeof window !== 'undefined') {
// Fix Leaflet's icon paths
delete window._leaflet_L;
try {
const L = require('leaflet');
// Set default icon paths
delete L.Icon.Default.prototype._getIconUrl;
L.Icon.Default.mergeOptions({
iconRetinaUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon-2x.png',
iconUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon.png',
shadowUrl: 'https://unpkg.com/leaflet@1.9.4/dist/images/marker-shadow.png',
});
} catch (e) {
console.error('Failed to load Leaflet', e);
}
}
// Vertical grid lines
for (let x = 0; x < canvas.width; x += 50) {
ctx.beginPath();
ctx.moveTo(x, 0);
ctx.lineTo(x, canvas.height);
ctx.stroke();
setIsMounted(true);
}, []);
// Prepare countries with coordinates
const countriesWithCoordinates = countries.filter(country => {
return COUNTRY_COORDINATES[country.name] !== undefined;
}).map(country => ({
...country,
position: COUNTRY_COORDINATES[country.name]
}));
// Sort countries by count (higher count = shows on top)
const sortedCountries = [...countriesWithCoordinates].sort((a, b) => b.count - a.count);
// Get custom icon based on count
const getMarkerIcon = (count: number, isSelected: boolean) => {
if (typeof window === 'undefined') return null;
try {
const L = require('leaflet');
const size = Math.min(Math.max(20, count * 5), 40);
return L.divIcon({
html: `<div style="
background-color: ${isSelected ? '#3b82f6' : '#ef4444'};
color: white;
border-radius: 50%;
width: ${size}px;
height: ${size}px;
display: flex;
justify-content: center;
align-items: center;
font-weight: bold;
font-size: ${size > 30 ? 14 : 12}px;
box-shadow: 0 0 0 2px white;
">${count}</div>`,
className: '',
iconSize: [size, size],
iconAnchor: [size/2, size/2]
});
} catch (e) {
console.error('Failed to create icon', e);
return null;
}
// Calculate the top countries by news count
const topCountries = [...countries]
.sort((a, b) => b.count - a.count)
.slice(0, 15);
// Draw country markers for all countries
countries.forEach((country) => {
// Position based on country name (simplified)
let x, y;
// Use predefined positions or random for others
if (COUNTRY_POSITIONS[country.name]) {
const [xRatio, yRatio] = COUNTRY_POSITIONS[country.name];
x = canvas.width * xRatio;
y = canvas.height * yRatio;
} else {
// Random position for other countries
x = 100 + Math.random() * (canvas.width - 200);
y = 100 + Math.random() * (canvas.height - 200);
}
// Size based on count (with limits)
const isTopCountry = topCountries.includes(country);
const size = Math.min(Math.max(3, country.count / 2), 8);
// Draw marker
ctx.beginPath();
ctx.arc(x, y, size, 0, Math.PI * 2);
// Color based on count and selection
if (country.name === selectedCountry) {
ctx.fillStyle = '#3b82f6'; // Blue when selected
} else if (isTopCountry) {
ctx.fillStyle = '#f87171'; // Red for top countries
} else {
ctx.fillStyle = '#cbd5e1'; // Gray for others
}
ctx.fill();
// Draw country name if it's a top country or selected
if (isTopCountry || country.name === selectedCountry) {
ctx.fillStyle = '#374151';
ctx.font = '12px system-ui, sans-serif';
// Show count for top countries
ctx.fillText(`${country.name} (${country.count})`, x + 10, y + 4);
}
// Store coordinates for click detection
country.x = x;
country.y = y;
});
// Handle click events
const handleClick = (e: MouseEvent) => {
const rect = canvas.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
// Check if a country marker was clicked
for (const country of countries) {
if (country.x && country.y) {
const size = Math.min(Math.max(3, country.count / 2), 8);
const distance = Math.sqrt(
Math.pow(x - country.x, 2) + Math.pow(y - country.y, 2)
);
if (distance <= size + 2) {
onCountrySelect(country.name);
break;
}
}
}
};
canvas.addEventListener('click', handleClick);
// Cleanup
return () => {
window.removeEventListener('resize', updateCanvasDimensions);
canvas.removeEventListener('click', handleClick);
};
}, [countries, selectedCountry, onCountrySelect]);
};
if (!isMounted) {
return (
<div className="w-full h-full bg-gray-100 flex items-center justify-center">
<p className="text-gray-500">Loading map...</p>
</div>
);
}
return (
<div className="w-full h-full">
<canvas
ref={canvasRef}
className="w-full h-full"
/>
{countries.length === 0 && (
<div className="absolute inset-0 flex items-center justify-center">
<p className="text-gray-400 text-center">No countries detected in the news</p>
</div>
)}
<MapContainer
center={[20, 0]} // Center of the world
zoom={2}
style={{ height: '100%', width: '100%' }}
zoomControl={false}
>
<TileLayer
attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
<ZoomControl position="bottomright" />
{sortedCountries.map((country) => (
<Marker
key={country.name}
position={country.position!}
icon={getMarkerIcon(country.count, country.name === selectedCountry)}
eventHandlers={{
click: () => onCountrySelect(country.name)
}}
>
<Popup>
<div className="text-center">
<strong>{country.name}</strong>
<div>{country.count} news articles</div>
</div>
</Popup>
</Marker>
))}
</MapContainer>
</div>
);
}

46
node_modules/.package-lock.json generated vendored
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@ -3354,6 +3354,17 @@
"resolved": "https://registry.npmjs.org/@radix-ui/rect/-/rect-1.1.0.tgz",
"integrity": "sha512-A9+lCBZoaMJlVKcRBz2YByCG+Cp2t6nAnMnNba+XiWxnj6r4JUFqfsgwocMBZU9LPtdxC6wB56ySYpc7LQIoJg=="
},
"node_modules/@react-leaflet/core": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/@react-leaflet/core/-/core-2.1.0.tgz",
"integrity": "sha512-Qk7Pfu8BSarKGqILj4x7bCSZ1pjuAPZ+qmRwH5S7mDS91VSbVVsJSrW4qA+GPrro8t69gFYVMWb1Zc4yFmPiVg==",
"license": "Hippocratic-2.1",
"peerDependencies": {
"leaflet": "^1.9.0",
"react": "^18.0.0",
"react-dom": "^18.0.0"
}
},
"node_modules/@selderee/plugin-htmlparser2": {
"version": "0.11.0",
"resolved": "https://registry.npmjs.org/@selderee/plugin-htmlparser2/-/plugin-htmlparser2-0.11.0.tgz",
@ -4182,6 +4193,12 @@
"@types/trusted-types": "*"
}
},
"node_modules/@types/geojson": {
"version": "7946.0.16",
"resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.16.tgz",
"integrity": "sha512-6C8nqWur3j98U6+lXDfTUWIfgvZU+EumvpHKcYjujKH7woYyLj2sUmff0tRhrqM7BohUw7Pz3ZB1jj2gW9Fvmg==",
"license": "MIT"
},
"node_modules/@types/imap": {
"version": "0.8.42",
"resolved": "https://registry.npmjs.org/@types/imap/-/imap-0.8.42.tgz",
@ -4213,6 +4230,15 @@
"parse5": "^7.0.0"
}
},
"node_modules/@types/leaflet": {
"version": "1.9.17",
"resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.9.17.tgz",
"integrity": "sha512-IJ4K6t7I3Fh5qXbQ1uwL3CFVbCi6haW9+53oLWgdKlLP7EaS21byWFJxxqOx9y8I0AP0actXSJLVMbyvxhkUTA==",
"license": "MIT",
"dependencies": {
"@types/geojson": "*"
}
},
"node_modules/@types/mailparser": {
"version": "3.4.5",
"resolved": "https://registry.npmjs.org/@types/mailparser/-/mailparser-3.4.5.tgz",
@ -6386,6 +6412,12 @@
"url": "https://ko-fi.com/killymxi"
}
},
"node_modules/leaflet": {
"version": "1.9.4",
"resolved": "https://registry.npmjs.org/leaflet/-/leaflet-1.9.4.tgz",
"integrity": "sha512-nxS1ynzJOmOlHp+iL3FyWqK89GtNL8U8rvlMOsQdTTssxZwCXh8N2NB3GDQOL+YR3XnWyZAxwQixURb+FA74PA==",
"license": "BSD-2-Clause"
},
"node_modules/libbase64": {
"version": "1.3.0",
"resolved": "https://registry.npmjs.org/libbase64/-/libbase64-1.3.0.tgz",
@ -7743,6 +7775,20 @@
"resolved": "https://registry.npmjs.org/react-is/-/react-is-18.3.1.tgz",
"integrity": "sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg=="
},
"node_modules/react-leaflet": {
"version": "4.2.1",
"resolved": "https://registry.npmjs.org/react-leaflet/-/react-leaflet-4.2.1.tgz",
"integrity": "sha512-p9chkvhcKrWn/H/1FFeVSqLdReGwn2qmiobOQGO3BifX+/vV/39qhY8dGqbdcPh1e6jxh/QHriLXr7a4eLFK4Q==",
"license": "Hippocratic-2.1",
"dependencies": {
"@react-leaflet/core": "^2.1.0"
},
"peerDependencies": {
"leaflet": "^1.9.0",
"react": "^18.0.0",
"react-dom": "^18.0.0"
}
},
"node_modules/react-remove-scroll": {
"version": "2.6.3",
"resolved": "https://registry.npmjs.org/react-remove-scroll/-/react-remove-scroll-2.6.3.tgz",

33
node_modules/@react-leaflet/core/LICENSE.md generated vendored Normal file
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@ -0,0 +1,33 @@
@react-leaflet/core Copyright 2020 Paul Le Cam and contributors (“Licensor”)
Hippocratic License Version Number: 2.1.
Purpose. The purpose of this License is for the Licensor named above to permit the Licensee (as defined below) broad permission, if consistent with Human Rights Laws and Human Rights Principles (as each is defined below), to use and work with the Software (as defined below) within the full scope of Licensor’s copyright and patent rights, if any, in the Software, while ensuring attribution and protecting the Licensor from liability.
Permission and Conditions. The Licensor grants permission by this license (“License”), free of charge, to the extent of Licensor’s rights under applicable copyright and patent law, to any person or entity (the “Licensee”) obtaining a copy of this software and associated documentation files (the “Software”), to do everything with the Software that would otherwise infringe (i) the Licensor’s copyright in the Software or (ii) any patent claims to the Software that the Licensor can license or becomes able to license, subject to all of the following terms and conditions:
- Acceptance. This License is automatically offered to every person and entity subject to its terms and conditions. Licensee accepts this License and agrees to its terms and conditions by taking any action with the Software that, absent this License, would infringe any intellectual property right held by Licensor.
- Notice. Licensee must ensure that everyone who gets a copy of any part of this Software from Licensee, with or without changes, also receives the License and the above copyright notice (and if included by the Licensor, patent, trademark and attribution notice). Licensee must cause any modified versions of the Software to carry prominent notices stating that Licensee changed the Software. For clarity, although Licensee is free to create modifications of the Software and distribute only the modified portion created by Licensee with additional or different terms, the portion of the Software not modified must be distributed pursuant to this License. If anyone notifies Licensee in writing that Licensee has not complied with this Notice section, Licensee can keep this License by taking all practical steps to comply within 30 days after the notice. If Licensee does not do so, Licensee’s License (and all rights licensed hereunder) shall end immediately.
- Compliance with Human Rights Principles and Human Rights Laws.
1. Human Rights Principles.
(a) Licensee is advised to consult the articles of the United Nations Universal Declaration of Human Rights and the United Nations Global Compact that define recognized principles of international human rights (the “Human Rights Principles”). Licensee shall use the Software in a manner consistent with Human Rights Principles.
(b) Unless the Licensor and Licensee agree otherwise, any dispute, controversy, or claim arising out of or relating to (i) Section 1(a) regarding Human Rights Principles, including the breach of Section 1(a), termination of this License for breach of the Human Rights Principles, or invalidity of Section 1(a) or (ii) a determination of whether any Law is consistent or in conflict with Human Rights Principles pursuant to Section 2, below, shall be settled by arbitration in accordance with the Hague Rules on Business and Human Rights Arbitration (the “Rules”); provided, however, that Licensee may elect not to participate in such arbitration, in which event this License (and all rights licensed hereunder) shall end immediately. The number of arbitrators shall be one unless the Rules require otherwise.
Unless both the Licensor and Licensee agree to the contrary: (1) All documents and information concerning the arbitration shall be public and may be disclosed by any party; (2) The repository referred to under Article 43 of the Rules shall make available to the public in a timely manner all documents concerning the arbitration which are communicated to it, including all submissions of the parties, all evidence admitted into the record of the proceedings, all transcripts or other recordings of hearings and all orders, decisions and awards of the arbitral tribunal, subject only to the arbitral tribunal's powers to take such measures as may be necessary to safeguard the integrity of the arbitral process pursuant to Articles 18, 33, 41 and 42 of the Rules; and (3) Article 26(6) of the Rules shall not apply.
2. Human Rights Laws. The Software shall not be used by any person or entity for any systems, activities, or other uses that violate any Human Rights Laws. “Human Rights Laws” means any applicable laws, regulations, or rules (collectively, “Laws”) that protect human, civil, labor, privacy, political, environmental, security, economic, due process, or similar rights; provided, however, that such Laws are consistent and not in conflict with Human Rights Principles (a dispute over the consistency or a conflict between Laws and Human Rights Principles shall be determined by arbitration as stated above). Where the Human Rights Laws of more than one jurisdiction are applicable or in conflict with respect to the use of the Software, the Human Rights Laws that are most protective of the individuals or groups harmed shall apply.
3. Indemnity. Licensee shall hold harmless and indemnify Licensor (and any other contributor) against all losses, damages, liabilities, deficiencies, claims, actions, judgments, settlements, interest, awards, penalties, fines, costs, or expenses of whatever kind, including Licensor’s reasonable attorneys’ fees, arising out of or relating to Licensee’s use of the Software in violation of Human Rights Laws or Human Rights Principles.
- Failure to Comply. Any failure of Licensee to act according to the terms and conditions of this License is both a breach of the License and an infringement of the intellectual property rights of the Licensor (subject to exceptions under Laws, e.g., fair use). In the event of a breach or infringement, the terms and conditions of this License may be enforced by Licensor under the Laws of any jurisdiction to which Licensee is subject. Licensee also agrees that the Licensor may enforce the terms and conditions of this License against Licensee through specific performance (or similar remedy under Laws) to the extent permitted by Laws. For clarity, except in the event of a breach of this License, infringement, or as otherwise stated in this License, Licensor may not terminate this License with Licensee.
- Enforceability and Interpretation. If any term or provision of this License is determined to be invalid, illegal, or unenforceable by a court of competent jurisdiction, then such invalidity, illegality, or unenforceability shall not affect any other term or provision of this License or invalidate or render unenforceable such term or provision in any other jurisdiction; provided, however, subject to a court modification pursuant to the immediately following sentence, if any term or provision of this License pertaining to Human Rights Laws or Human Rights Principles is deemed invalid, illegal, or unenforceable against Licensee by a court of competent jurisdiction, all rights in the Software granted to Licensee shall be deemed null and void as between Licensor and Licensee. Upon a determination that any term or provision is invalid, illegal, or unenforceable, to the extent permitted by Laws, the court may modify this License to affect the original purpose that the Software be used in compliance with Human Rights Principles and Human Rights Laws as closely as possible. The language in this License shall be interpreted as to its fair meaning and not strictly for or against any party.
- Disclaimer. TO THE FULL EXTENT ALLOWED BY LAW, THIS SOFTWARE COMES “AS IS,” WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED, AND LICENSOR AND ANY OTHER CONTRIBUTOR SHALL NOT BE LIABLE TO ANYONE FOR ANY DAMAGES OR OTHER LIABILITY ARISING FROM, OUT OF, OR IN CONNECTION WITH THE SOFTWARE OR THIS LICENSE, UNDER ANY KIND OF LEGAL CLAIM.
This Hippocratic License is an Ethical Source license (https://ethicalsource.dev) and is offered for use by licensors and licensees at their own risk, on an “AS IS” basis, and with no warranties express or implied, to the maximum extent permitted by Laws.

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node_modules/@react-leaflet/core/README.md generated vendored Normal file
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@ -0,0 +1,3 @@
# React Leaflet core
[Documentation](https://react-leaflet.js.org/docs/core-introduction)

2
node_modules/@react-leaflet/core/lib/attribution.d.ts generated vendored Normal file
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@ -0,0 +1,2 @@
import type { Map } from 'leaflet';
export declare function useAttribution(map: Map, attribution: string | null | undefined): void;

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node_modules/@react-leaflet/core/lib/attribution.js generated vendored Normal file
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@ -0,0 +1,18 @@
import { useEffect, useRef } from 'react';
export function useAttribution(map, attribution) {
const attributionRef = useRef(attribution);
useEffect(function updateAttribution() {
if (attribution !== attributionRef.current && map.attributionControl != null) {
if (attributionRef.current != null) {
map.attributionControl.removeAttribution(attributionRef.current);
}
if (attribution != null) {
map.attributionControl.addAttribution(attribution);
}
}
attributionRef.current = attribution;
}, [
map,
attribution
]);
}

12
node_modules/@react-leaflet/core/lib/circle.d.ts generated vendored Normal file
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import type { Circle as LeafletCircle, CircleMarker as LeafletCircleMarker, CircleMarkerOptions, CircleOptions, LatLngExpression } from 'leaflet';
import type { ReactNode } from 'react';
import type { PathProps } from './path.js';
export interface CircleMarkerProps extends CircleMarkerOptions, PathProps {
center: LatLngExpression;
children?: ReactNode;
}
export interface CircleProps extends CircleOptions, PathProps {
center: LatLngExpression;
children?: ReactNode;
}
export declare function updateCircle<P extends CircleMarkerProps | CircleProps>(layer: LeafletCircle<P> | LeafletCircleMarker<P>, props: P, prevProps: P): void;

8
node_modules/@react-leaflet/core/lib/circle.js generated vendored Normal file
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export function updateCircle(layer, props, prevProps) {
if (props.center !== prevProps.center) {
layer.setLatLng(props.center);
}
if (props.radius != null && props.radius !== prevProps.radius) {
layer.setRadius(props.radius);
}
}

11
node_modules/@react-leaflet/core/lib/component.d.ts generated vendored Normal file
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import React, { type MutableRefObject, type ReactNode } from 'react';
import type { DivOverlay, DivOverlayHook } from './div-overlay.js';
import type { LeafletElement } from './element.js';
declare type ElementHook<E, P> = (props: P) => MutableRefObject<LeafletElement<E>>;
export declare type PropsWithChildren = {
children?: ReactNode;
};
export declare function createContainerComponent<E, P extends PropsWithChildren>(useElement: ElementHook<E, P>): React.ForwardRefExoticComponent<React.PropsWithoutRef<P> & React.RefAttributes<E>>;
export declare function createDivOverlayComponent<E extends DivOverlay, P extends PropsWithChildren>(useElement: ReturnType<DivOverlayHook<E, P>>): React.ForwardRefExoticComponent<React.PropsWithoutRef<P> & React.RefAttributes<E>>;
export declare function createLeafComponent<E, P>(useElement: ElementHook<E, P>): React.ForwardRefExoticComponent<React.PropsWithoutRef<P> & React.RefAttributes<E>>;
export {};

41
node_modules/@react-leaflet/core/lib/component.js generated vendored Normal file
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import React, { forwardRef, useEffect, useImperativeHandle, useState } from 'react';
import { createPortal } from 'react-dom';
import { LeafletProvider } from './context.js';
export function createContainerComponent(useElement) {
function ContainerComponent(props, forwardedRef) {
const { instance , context } = useElement(props).current;
useImperativeHandle(forwardedRef, ()=>instance);
return props.children == null ? null : /*#__PURE__*/ React.createElement(LeafletProvider, {
value: context
}, props.children);
}
return /*#__PURE__*/ forwardRef(ContainerComponent);
}
export function createDivOverlayComponent(useElement) {
function OverlayComponent(props, forwardedRef) {
const [isOpen, setOpen] = useState(false);
const { instance } = useElement(props, setOpen).current;
useImperativeHandle(forwardedRef, ()=>instance);
useEffect(function updateOverlay() {
if (isOpen) {
instance.update();
}
}, [
instance,
isOpen,
props.children
]);
// @ts-ignore _contentNode missing in type definition
const contentNode = instance._contentNode;
return contentNode ? /*#__PURE__*/ createPortal(props.children, contentNode) : null;
}
return /*#__PURE__*/ forwardRef(OverlayComponent);
}
export function createLeafComponent(useElement) {
function LeafComponent(props, forwardedRef) {
const { instance } = useElement(props).current;
useImperativeHandle(forwardedRef, ()=>instance);
return null;
}
return /*#__PURE__*/ forwardRef(LeafComponent);
}

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node_modules/@react-leaflet/core/lib/context.d.ts generated vendored Normal file
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/// <reference types="react" />
import type { Control, Layer, LayerGroup, Map } from 'leaflet';
export declare const CONTEXT_VERSION = 1;
export declare type ControlledLayer = {
addLayer(layer: Layer): void;
removeLayer(layer: Layer): void;
};
export declare type LeafletContextInterface = Readonly<{
__version: number;
map: Map;
layerContainer?: ControlledLayer | LayerGroup;
layersControl?: Control.Layers;
overlayContainer?: Layer;
pane?: string;
}>;
export declare function createLeafletContext(map: Map): LeafletContextInterface;
export declare function extendContext(source: LeafletContextInterface, extra: Partial<LeafletContextInterface>): LeafletContextInterface;
export declare const LeafletContext: import("react").Context<Readonly<{
__version: number;
map: Map;
layerContainer?: LayerGroup<any> | ControlledLayer | undefined;
layersControl?: Control.Layers | undefined;
overlayContainer?: Layer | undefined;
pane?: string | undefined;
}> | null>;
export declare const LeafletProvider: import("react").Provider<Readonly<{
__version: number;
map: Map;
layerContainer?: LayerGroup<any> | ControlledLayer | undefined;
layersControl?: Control.Layers | undefined;
overlayContainer?: Layer | undefined;
pane?: string | undefined;
}> | null>;
export declare function useLeafletContext(): LeafletContextInterface;

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import { createContext, useContext } from 'react';
export const CONTEXT_VERSION = 1;
export function createLeafletContext(map) {
return Object.freeze({
__version: CONTEXT_VERSION,
map
});
}
export function extendContext(source, extra) {
return Object.freeze({
...source,
...extra
});
}
export const LeafletContext = createContext(null);
export const LeafletProvider = LeafletContext.Provider;
export function useLeafletContext() {
const context = useContext(LeafletContext);
if (context == null) {
throw new Error('No context provided: useLeafletContext() can only be used in a descendant of <MapContainer>');
}
return context;
}

3
node_modules/@react-leaflet/core/lib/control.d.ts generated vendored Normal file
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import { Control, type ControlOptions } from 'leaflet';
import type { ElementHook } from './element.js';
export declare function createControlHook<E extends Control, P extends ControlOptions>(useElement: ElementHook<E, P>): (props: P) => ReturnType<ElementHook<E, P>>;

30
node_modules/@react-leaflet/core/lib/control.js generated vendored Normal file
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import { useEffect, useRef } from 'react';
import { useLeafletContext } from './context.js';
export function createControlHook(useElement) {
return function useLeafletControl(props) {
const context = useLeafletContext();
const elementRef = useElement(props, context);
const { instance } = elementRef.current;
const positionRef = useRef(props.position);
const { position } = props;
useEffect(function addControl() {
instance.addTo(context.map);
return function removeControl() {
instance.remove();
};
}, [
context.map,
instance
]);
useEffect(function updateControl() {
if (position != null && position !== positionRef.current) {
instance.setPosition(position);
positionRef.current = position;
}
}, [
instance,
position
]);
return elementRef;
};
}

9
node_modules/@react-leaflet/core/lib/div-overlay.d.ts generated vendored Normal file
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import type { Popup, Tooltip } from 'leaflet';
import { type LeafletContextInterface } from './context.js';
import type { LeafletElement, ElementHook } from './element.js';
import type { LayerProps } from './layer.js';
export declare type DivOverlay = Popup | Tooltip;
export declare type SetOpenFunc = (open: boolean) => void;
export declare type DivOverlayLifecycleHook<E, P> = (element: LeafletElement<E>, context: LeafletContextInterface, props: P, setOpen: SetOpenFunc) => void;
export declare type DivOverlayHook<E extends DivOverlay, P> = (useElement: ElementHook<E, P>, useLifecycle: DivOverlayLifecycleHook<E, P>) => (props: P, setOpen: SetOpenFunc) => ReturnType<ElementHook<E, P>>;
export declare function createDivOverlayHook<E extends DivOverlay, P extends LayerProps>(useElement: ElementHook<E, P>, useLifecycle: DivOverlayLifecycleHook<E, P>): (props: P, setOpen: SetOpenFunc) => ReturnType<ElementHook<E, P>>;

14
node_modules/@react-leaflet/core/lib/div-overlay.js generated vendored Normal file
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import { useAttribution } from './attribution.js';
import { useLeafletContext } from './context.js';
import { useEventHandlers } from './events.js';
import { withPane } from './pane.js';
export function createDivOverlayHook(useElement, useLifecycle) {
return function useDivOverlay(props, setOpen) {
const context = useLeafletContext();
const elementRef = useElement(withPane(props, context), context);
useAttribution(context.map, props.attribution);
useEventHandlers(elementRef.current, props.eventHandlers);
useLifecycle(elementRef.current, context, props, setOpen);
return elementRef;
};
}

3
node_modules/@react-leaflet/core/lib/dom.d.ts generated vendored Normal file
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export declare function addClassName(element: HTMLElement, className: string): void;
export declare function removeClassName(element: HTMLElement, className: string): void;
export declare function updateClassName(element?: HTMLElement, prevClassName?: string, nextClassName?: string): void;

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node_modules/@react-leaflet/core/lib/dom.js generated vendored Normal file
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import { DomUtil } from 'leaflet';
function splitClassName(className) {
return className.split(' ').filter(Boolean);
}
export function addClassName(element, className) {
splitClassName(className).forEach((cls)=>{
DomUtil.addClass(element, cls);
});
}
export function removeClassName(element, className) {
splitClassName(className).forEach((cls)=>{
DomUtil.removeClass(element, cls);
});
}
export function updateClassName(element, prevClassName, nextClassName) {
if (element != null && nextClassName !== prevClassName) {
if (prevClassName != null && prevClassName.length > 0) {
removeClassName(element, prevClassName);
}
if (nextClassName != null && nextClassName.length > 0) {
addClassName(element, nextClassName);
}
}
}

10
node_modules/@react-leaflet/core/lib/element.d.ts generated vendored Normal file
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import { type MutableRefObject } from 'react';
import type { LeafletContextInterface } from './context.js';
export declare type LeafletElement<T, C = any> = Readonly<{
instance: T;
context: LeafletContextInterface;
container?: C | null;
}>;
export declare function createElementObject<T, C = any>(instance: T, context: LeafletContextInterface, container?: C | null): LeafletElement<T, C>;
export declare type ElementHook<E, P> = (props: P, context: LeafletContextInterface) => MutableRefObject<LeafletElement<E>>;
export declare function createElementHook<E, P, C = any>(createElement: (props: P, context: LeafletContextInterface) => LeafletElement<E>, updateElement?: (instance: E, props: P, prevProps: P) => void): (props: P, context: LeafletContextInterface) => ReturnType<ElementHook<E, P>>;

34
node_modules/@react-leaflet/core/lib/element.js generated vendored Normal file
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import { useEffect, useRef } from 'react';
export function createElementObject(instance, context, container) {
return Object.freeze({
instance,
context,
container
});
}
export function createElementHook(createElement, updateElement) {
if (updateElement == null) {
return function useImmutableLeafletElement(props, context) {
const elementRef = useRef();
if (!elementRef.current) elementRef.current = createElement(props, context);
return elementRef;
};
}
return function useMutableLeafletElement(props, context) {
const elementRef = useRef();
if (!elementRef.current) elementRef.current = createElement(props, context);
const propsRef = useRef(props);
const { instance } = elementRef.current;
useEffect(function updateElementProps() {
if (propsRef.current !== props) {
updateElement(instance, props, propsRef.current);
propsRef.current = props;
}
}, [
instance,
props,
context
]);
return elementRef;
};
}

6
node_modules/@react-leaflet/core/lib/events.d.ts generated vendored Normal file
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import type { Evented, LeafletEventHandlerFnMap } from 'leaflet';
import type { LeafletElement } from './element.js';
export declare type EventedProps = {
eventHandlers?: LeafletEventHandlerFnMap;
};
export declare function useEventHandlers(element: LeafletElement<Evented>, eventHandlers: LeafletEventHandlerFnMap | null | undefined): void;

19
node_modules/@react-leaflet/core/lib/events.js generated vendored Normal file
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import { useEffect, useRef } from 'react';
export function useEventHandlers(element, eventHandlers) {
const eventHandlersRef = useRef();
useEffect(function addEventHandlers() {
if (eventHandlers != null) {
element.instance.on(eventHandlers);
}
eventHandlersRef.current = eventHandlers;
return function removeEventHandlers() {
if (eventHandlersRef.current != null) {
element.instance.off(eventHandlersRef.current);
}
eventHandlersRef.current = null;
};
}, [
element,
eventHandlers
]);
}

18
node_modules/@react-leaflet/core/lib/generic.d.ts generated vendored Normal file
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/// <reference types="react" />
import type { Control, ControlOptions, FeatureGroup, Layer, Path } from 'leaflet';
import { type PropsWithChildren } from './component.js';
import type { LeafletContextInterface } from './context.js';
import { type LeafletElement } from './element.js';
import { type LayerProps } from './layer.js';
import { type DivOverlay, type DivOverlayLifecycleHook } from './div-overlay.js';
import { type PathProps } from './path.js';
interface LayerWithChildrenProps extends LayerProps, PropsWithChildren {
}
interface PathWithChildrenProps extends PathProps, PropsWithChildren {
}
export declare function createControlComponent<E extends Control, P extends ControlOptions>(createInstance: (props: P) => E): import("react").ForwardRefExoticComponent<import("react").PropsWithoutRef<P> & import("react").RefAttributes<E>>;
export declare function createLayerComponent<E extends Layer, P extends LayerWithChildrenProps>(createElement: (props: P, context: LeafletContextInterface) => LeafletElement<E>, updateElement?: (instance: E, props: P, prevProps: P) => void): import("react").ForwardRefExoticComponent<import("react").PropsWithoutRef<P> & import("react").RefAttributes<E>>;
export declare function createOverlayComponent<E extends DivOverlay, P extends LayerWithChildrenProps>(createElement: (props: P, context: LeafletContextInterface) => LeafletElement<E>, useLifecycle: DivOverlayLifecycleHook<E, P>): import("react").ForwardRefExoticComponent<import("react").PropsWithoutRef<P> & import("react").RefAttributes<E>>;
export declare function createPathComponent<E extends FeatureGroup | Path, P extends PathWithChildrenProps>(createElement: (props: P, context: LeafletContextInterface) => LeafletElement<E>, updateElement?: (instance: E, props: P, prevProps: P) => void): import("react").ForwardRefExoticComponent<import("react").PropsWithoutRef<P> & import("react").RefAttributes<E>>;
export declare function createTileLayerComponent<E extends Layer, P extends LayerProps>(createElement: (props: P, context: LeafletContextInterface) => LeafletElement<E>, updateElement?: (instance: E, props: P, prevProps: P) => void): import("react").ForwardRefExoticComponent<import("react").PropsWithoutRef<P> & import("react").RefAttributes<E>>;
export {};

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node_modules/@react-leaflet/core/lib/generic.js generated vendored Normal file
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import { createContainerComponent, createDivOverlayComponent, createLeafComponent } from './component.js';
import { createControlHook } from './control.js';
import { createElementHook, createElementObject } from './element.js';
import { createLayerHook } from './layer.js';
import { createDivOverlayHook } from './div-overlay.js';
import { createPathHook } from './path.js';
export function createControlComponent(createInstance) {
function createElement(props, context) {
return createElementObject(createInstance(props), context);
}
const useElement = createElementHook(createElement);
const useControl = createControlHook(useElement);
return createLeafComponent(useControl);
}
export function createLayerComponent(createElement, updateElement) {
const useElement = createElementHook(createElement, updateElement);
const useLayer = createLayerHook(useElement);
return createContainerComponent(useLayer);
}
export function createOverlayComponent(createElement, useLifecycle) {
const useElement = createElementHook(createElement);
const useOverlay = createDivOverlayHook(useElement, useLifecycle);
return createDivOverlayComponent(useOverlay);
}
export function createPathComponent(createElement, updateElement) {
const useElement = createElementHook(createElement, updateElement);
const usePath = createPathHook(useElement);
return createContainerComponent(usePath);
}
export function createTileLayerComponent(createElement, updateElement) {
const useElement = createElementHook(createElement, updateElement);
const useLayer = createLayerHook(useElement);
return createLeafComponent(useLayer);
}

2
node_modules/@react-leaflet/core/lib/grid-layer.d.ts generated vendored Normal file
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import type { GridLayer, GridLayerOptions } from 'leaflet';
export declare function updateGridLayer<E extends GridLayer, P extends GridLayerOptions>(layer: E, props: P, prevProps: P): void;

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node_modules/@react-leaflet/core/lib/grid-layer.js generated vendored Normal file
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export function updateGridLayer(layer, props, prevProps) {
const { opacity , zIndex } = props;
if (opacity != null && opacity !== prevProps.opacity) {
layer.setOpacity(opacity);
}
if (zIndex != null && zIndex !== prevProps.zIndex) {
layer.setZIndex(zIndex);
}
}

15
node_modules/@react-leaflet/core/lib/index.d.ts generated vendored Normal file
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export { useAttribution } from './attribution.js';
export { type CircleMarkerProps, type CircleProps, updateCircle, } from './circle.js';
export { createContainerComponent, createDivOverlayComponent, createLeafComponent, } from './component.js';
export { CONTEXT_VERSION, type LeafletContextInterface, LeafletContext, LeafletProvider, createLeafletContext, extendContext, useLeafletContext, } from './context.js';
export { createControlHook } from './control.js';
export { type DivOverlayHook, type DivOverlayLifecycleHook, type SetOpenFunc, createDivOverlayHook, } from './div-overlay.js';
export { addClassName, removeClassName, updateClassName } from './dom.js';
export { type ElementHook, type LeafletElement, createElementHook, createElementObject, } from './element.js';
export { type EventedProps, useEventHandlers } from './events.js';
export { createControlComponent, createLayerComponent, createOverlayComponent, createPathComponent, createTileLayerComponent, } from './generic.js';
export { updateGridLayer } from './grid-layer.js';
export { type InteractiveLayerProps, type LayerProps, createLayerHook, useLayerLifecycle, } from './layer.js';
export { type MediaOverlayProps, updateMediaOverlay } from './media-overlay.js';
export { withPane } from './pane.js';
export { type PathProps, createPathHook, usePathOptions } from './path.js';

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node_modules/@react-leaflet/core/lib/index.js generated vendored Normal file
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export { useAttribution } from './attribution.js';
export { updateCircle } from './circle.js';
export { createContainerComponent, createDivOverlayComponent, createLeafComponent } from './component.js';
export { CONTEXT_VERSION, LeafletContext, LeafletProvider, createLeafletContext, extendContext, useLeafletContext } from './context.js';
export { createControlHook } from './control.js';
export { createDivOverlayHook } from './div-overlay.js';
export { addClassName, removeClassName, updateClassName } from './dom.js';
export { createElementHook, createElementObject } from './element.js';
export { useEventHandlers } from './events.js';
export { createControlComponent, createLayerComponent, createOverlayComponent, createPathComponent, createTileLayerComponent } from './generic.js';
export { updateGridLayer } from './grid-layer.js';
export { createLayerHook, useLayerLifecycle } from './layer.js';
export { updateMediaOverlay } from './media-overlay.js';
export { withPane } from './pane.js';
export { createPathHook, usePathOptions } from './path.js';

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node_modules/@react-leaflet/core/lib/layer.d.ts generated vendored Normal file
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import type { InteractiveLayerOptions, Layer, LayerOptions } from 'leaflet';
import { type LeafletContextInterface } from './context.js';
import type { LeafletElement, ElementHook } from './element.js';
import { type EventedProps } from './events.js';
export interface LayerProps extends EventedProps, LayerOptions {
}
export interface InteractiveLayerProps extends LayerProps, InteractiveLayerOptions {
}
export declare function useLayerLifecycle(element: LeafletElement<Layer>, context: LeafletContextInterface): void;
export declare function createLayerHook<E extends Layer, P extends LayerProps>(useElement: ElementHook<E, P>): (props: P) => ReturnType<ElementHook<E, P>>;

28
node_modules/@react-leaflet/core/lib/layer.js generated vendored Normal file
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import { useEffect } from 'react';
import { useAttribution } from './attribution.js';
import { useLeafletContext } from './context.js';
import { useEventHandlers } from './events.js';
import { withPane } from './pane.js';
export function useLayerLifecycle(element, context) {
useEffect(function addLayer() {
const container = context.layerContainer ?? context.map;
container.addLayer(element.instance);
return function removeLayer() {
context.layerContainer?.removeLayer(element.instance);
context.map.removeLayer(element.instance);
};
}, [
context,
element
]);
}
export function createLayerHook(useElement) {
return function useLayer(props) {
const context = useLeafletContext();
const elementRef = useElement(withPane(props, context), context);
useAttribution(context.map, props.attribution);
useEventHandlers(elementRef.current, props.eventHandlers);
useLayerLifecycle(elementRef.current, context);
return elementRef;
};
}

6
node_modules/@react-leaflet/core/lib/media-overlay.d.ts generated vendored Normal file
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import { type LatLngBoundsExpression, type ImageOverlay as LeafletImageOverlay, type ImageOverlayOptions, type SVGOverlay as LeafletSVGOverlay, type VideoOverlay as LeafletVideoOverlay } from 'leaflet';
import type { InteractiveLayerProps } from './layer.js';
export interface MediaOverlayProps extends ImageOverlayOptions, InteractiveLayerProps {
bounds: LatLngBoundsExpression;
}
export declare function updateMediaOverlay<E extends LeafletImageOverlay | LeafletSVGOverlay | LeafletVideoOverlay, P extends MediaOverlayProps>(overlay: E, props: P, prevProps: P): void;

13
node_modules/@react-leaflet/core/lib/media-overlay.js generated vendored Normal file
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import { LatLngBounds } from 'leaflet';
export function updateMediaOverlay(overlay, props, prevProps) {
if (props.bounds instanceof LatLngBounds && props.bounds !== prevProps.bounds) {
overlay.setBounds(props.bounds);
}
if (props.opacity != null && props.opacity !== prevProps.opacity) {
overlay.setOpacity(props.opacity);
}
if (props.zIndex != null && props.zIndex !== prevProps.zIndex) {
// @ts-ignore missing in definition but inherited from ImageOverlay
overlay.setZIndex(props.zIndex);
}
}

3
node_modules/@react-leaflet/core/lib/pane.d.ts generated vendored Normal file
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import type { LayerOptions } from 'leaflet';
import type { LeafletContextInterface } from './context.js';
export declare function withPane<P extends LayerOptions>(props: P, context: LeafletContextInterface): P;

7
node_modules/@react-leaflet/core/lib/pane.js generated vendored Normal file
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export function withPane(props, context) {
const pane = props.pane ?? context.pane;
return pane ? {
...props,
pane
} : props;
}

8
node_modules/@react-leaflet/core/lib/path.d.ts generated vendored Normal file
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import type { FeatureGroup, Path, PathOptions } from 'leaflet';
import type { LeafletElement, ElementHook } from './element.js';
import { type InteractiveLayerProps } from './layer.js';
export interface PathProps extends InteractiveLayerProps {
pathOptions?: PathOptions;
}
export declare function usePathOptions(element: LeafletElement<FeatureGroup | Path>, props: PathProps): void;
export declare function createPathHook<E extends FeatureGroup | Path, P extends PathProps>(useElement: ElementHook<E, P>): (props: P) => ReturnType<ElementHook<E, P>>;

28
node_modules/@react-leaflet/core/lib/path.js generated vendored Normal file
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import { useEffect, useRef } from 'react';
import { useLeafletContext } from './context.js';
import { useEventHandlers } from './events.js';
import { useLayerLifecycle } from './layer.js';
import { withPane } from './pane.js';
export function usePathOptions(element, props) {
const optionsRef = useRef();
useEffect(function updatePathOptions() {
if (props.pathOptions !== optionsRef.current) {
const options = props.pathOptions ?? {};
element.instance.setStyle(options);
optionsRef.current = options;
}
}, [
element,
props
]);
}
export function createPathHook(useElement) {
return function usePath(props) {
const context = useLeafletContext();
const elementRef = useElement(withPane(props, context), context);
useEventHandlers(elementRef.current, props.eventHandlers);
useLayerLifecycle(elementRef.current, context);
usePathOptions(elementRef.current, props);
return elementRef;
};
}

66
node_modules/@react-leaflet/core/package.json generated vendored Normal file
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{
"name": "@react-leaflet/core",
"version": "2.1.0",
"description": "React Leaflet core",
"repository": {
"type": "git",
"url": "https://github.com/PaulLeCam/react-leaflet.git"
},
"keywords": [
"react-component",
"react",
"leaflet",
"map"
],
"author": "Paul Le Cam <paul@ulem.net>",
"license": "Hippocratic-2.1",
"bugs": {
"url": "https://github.com/PaulLeCam/react-leaflet/issues"
},
"homepage": "https://react-leaflet.js.org/docs/core-introduction",
"type": "module",
"main": "lib/index.js",
"types": "lib/index.d.ts",
"exports": {
".": "./lib/index.js"
},
"files": [
"lib/*"
],
"sideEffects": false,
"peerDependencies": {
"leaflet": "^1.9.0",
"react": "^18.0.0",
"react-dom": "^18.0.0"
},
"devDependencies": {
"@types/react": "^18.0.21",
"@types/react-dom": "^18.0.6"
},
"jest": {
"extensionsToTreatAsEsm": [
".ts",
".tsx"
],
"resolver": "ts-jest-resolver",
"testEnvironment": "jsdom",
"transform": {
"^.+\\.(t|j)sx?$": [
"@swc/jest",
{
"root": "../.."
}
]
}
},
"scripts": {
"build:clean": "del lib",
"build:js": "swc src -d ./lib --config-file ../../.swcrc",
"build:types": "tsc --emitDeclarationOnly",
"build": "pnpm run build:clean && pnpm run build:types && pnpm run build:js",
"test:types": "tsc --noEmit",
"test:unit": "cross-env NODE_ENV=test jest",
"test": "pnpm run test:types && pnpm run test:unit",
"start": "pnpm run test && pnpm run build"
}
}

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MIT License
Copyright (c) Microsoft Corporation.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

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# Installation
> `npm install --save @types/geojson`
# Summary
This package contains type definitions for geojson (https://geojson.org/).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/geojson.
### Additional Details
* Last updated: Thu, 23 Jan 2025 18:36:51 GMT
* Dependencies: none
# Credits
These definitions were written by [Jacob Bruun](https://github.com/cobster), [Arne Schubert](https://github.com/atd-schubert), [Jeff Jacobson](https://github.com/JeffJacobson), [Ilia Choly](https://github.com/icholy), and [Dan Vanderkam](https://github.com/danvk).

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// Note: as of the RFC 7946 version of GeoJSON, Coordinate Reference Systems
// are no longer supported. (See https://tools.ietf.org/html/rfc7946#appendix-B)}
export as namespace GeoJSON;
/**
* The valid values for the "type" property of GeoJSON geometry objects.
* https://tools.ietf.org/html/rfc7946#section-1.4
*/
export type GeoJsonGeometryTypes = Geometry["type"];
/**
* The value values for the "type" property of GeoJSON Objects.
* https://tools.ietf.org/html/rfc7946#section-1.4
*/
export type GeoJsonTypes = GeoJSON["type"];
/**
* Bounding box
* https://tools.ietf.org/html/rfc7946#section-5
*/
export type BBox = [number, number, number, number] | [number, number, number, number, number, number];
/**
* A Position is an array of coordinates.
* https://tools.ietf.org/html/rfc7946#section-3.1.1
* Array should contain between two and three elements.
* The previous GeoJSON specification allowed more elements (e.g., which could be used to represent M values),
* but the current specification only allows X, Y, and (optionally) Z to be defined.
*
* Note: the type will not be narrowed down to `[number, number] | [number, number, number]` due to
* marginal benefits and the large impact of breaking change.
*
* See previous discussions on the type narrowing:
* - {@link https://github.com/DefinitelyTyped/DefinitelyTyped/pull/21590|Nov 2017}
* - {@link https://github.com/DefinitelyTyped/DefinitelyTyped/discussions/67773|Dec 2023}
* - {@link https://github.com/DefinitelyTyped/DefinitelyTyped/discussions/71441| Dec 2024}
*
* One can use a
* {@link https://www.typescriptlang.org/docs/handbook/2/narrowing.html#using-type-predicates|user-defined type guard that returns a type predicate}
* to determine if a position is a 2D or 3D position.
*
* @example
* import type { Position } from 'geojson';
*
* type StrictPosition = [x: number, y: number] | [x: number, y: number, z: number]
*
* function isStrictPosition(position: Position): position is StrictPosition {
* return position.length === 2 || position.length === 3
* };
*
* let position: Position = [-116.91, 45.54];
*
* let x: number;
* let y: number;
* let z: number | undefined;
*
* if (isStrictPosition(position)) {
* // `tsc` would throw an error if we tried to destructure a fourth parameter
* [x, y, z] = position;
* } else {
* throw new TypeError("Position is not a 2D or 3D point");
* }
*/
export type Position = number[];
/**
* The base GeoJSON object.
* https://tools.ietf.org/html/rfc7946#section-3
* The GeoJSON specification also allows foreign members
* (https://tools.ietf.org/html/rfc7946#section-6.1)
* Developers should use "&" type in TypeScript or extend the interface
* to add these foreign members.
*/
export interface GeoJsonObject {
// Don't include foreign members directly into this type def.
// in order to preserve type safety.
// [key: string]: any;
/**
* Specifies the type of GeoJSON object.
*/
type: GeoJsonTypes;
/**
* Bounding box of the coordinate range of the object's Geometries, Features, or Feature Collections.
* The value of the bbox member is an array of length 2*n where n is the number of dimensions
* represented in the contained geometries, with all axes of the most southwesterly point
* followed by all axes of the more northeasterly point.
* The axes order of a bbox follows the axes order of geometries.
* https://tools.ietf.org/html/rfc7946#section-5
*/
bbox?: BBox | undefined;
}
/**
* Union of GeoJSON objects.
*/
export type GeoJSON<G extends Geometry | null = Geometry, P = GeoJsonProperties> =
| G
| Feature<G, P>
| FeatureCollection<G, P>;
/**
* Geometry object.
* https://tools.ietf.org/html/rfc7946#section-3
*/
export type Geometry = Point | MultiPoint | LineString | MultiLineString | Polygon | MultiPolygon | GeometryCollection;
export type GeometryObject = Geometry;
/**
* Point geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.2
*/
export interface Point extends GeoJsonObject {
type: "Point";
coordinates: Position;
}
/**
* MultiPoint geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.3
*/
export interface MultiPoint extends GeoJsonObject {
type: "MultiPoint";
coordinates: Position[];
}
/**
* LineString geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.4
*/
export interface LineString extends GeoJsonObject {
type: "LineString";
coordinates: Position[];
}
/**
* MultiLineString geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.5
*/
export interface MultiLineString extends GeoJsonObject {
type: "MultiLineString";
coordinates: Position[][];
}
/**
* Polygon geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.6
*/
export interface Polygon extends GeoJsonObject {
type: "Polygon";
coordinates: Position[][];
}
/**
* MultiPolygon geometry object.
* https://tools.ietf.org/html/rfc7946#section-3.1.7
*/
export interface MultiPolygon extends GeoJsonObject {
type: "MultiPolygon";
coordinates: Position[][][];
}
/**
* Geometry Collection
* https://tools.ietf.org/html/rfc7946#section-3.1.8
*/
export interface GeometryCollection<G extends Geometry = Geometry> extends GeoJsonObject {
type: "GeometryCollection";
geometries: G[];
}
export type GeoJsonProperties = { [name: string]: any } | null;
/**
* A feature object which contains a geometry and associated properties.
* https://tools.ietf.org/html/rfc7946#section-3.2
*/
export interface Feature<G extends Geometry | null = Geometry, P = GeoJsonProperties> extends GeoJsonObject {
type: "Feature";
/**
* The feature's geometry
*/
geometry: G;
/**
* A value that uniquely identifies this feature in a
* https://tools.ietf.org/html/rfc7946#section-3.2.
*/
id?: string | number | undefined;
/**
* Properties associated with this feature.
*/
properties: P;
}
/**
* A collection of feature objects.
* https://tools.ietf.org/html/rfc7946#section-3.3
*/
export interface FeatureCollection<G extends Geometry | null = Geometry, P = GeoJsonProperties> extends GeoJsonObject {
type: "FeatureCollection";
features: Array<Feature<G, P>>;
}

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{
"name": "@types/geojson",
"version": "7946.0.16",
"description": "TypeScript definitions for geojson",
"homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/geojson",
"license": "MIT",
"contributors": [
{
"name": "Jacob Bruun",
"githubUsername": "cobster",
"url": "https://github.com/cobster"
},
{
"name": "Arne Schubert",
"githubUsername": "atd-schubert",
"url": "https://github.com/atd-schubert"
},
{
"name": "Jeff Jacobson",
"githubUsername": "JeffJacobson",
"url": "https://github.com/JeffJacobson"
},
{
"name": "Ilia Choly",
"githubUsername": "icholy",
"url": "https://github.com/icholy"
},
{
"name": "Dan Vanderkam",
"githubUsername": "danvk",
"url": "https://github.com/danvk"
}
],
"main": "",
"types": "index.d.ts",
"repository": {
"type": "git",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
"directory": "types/geojson"
},
"scripts": {},
"dependencies": {},
"peerDependencies": {},
"typesPublisherContentHash": "e7997f4827a9a92b60c7a6cb27e8f18fa760803e9dd021965e95604338b72e88",
"typeScriptVersion": "5.0"
}

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MIT License
Copyright (c) Microsoft Corporation.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE

15
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# Installation
> `npm install --save @types/leaflet`
# Summary
This package contains type definitions for leaflet (https://github.com/Leaflet/Leaflet).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/leaflet.
### Additional Details
* Last updated: Sun, 23 Mar 2025 11:02:06 GMT
* Dependencies: [@types/geojson](https://npmjs.com/package/@types/geojson)
# Credits
These definitions were written by [Alejandro Sánchez](https://github.com/alejo90), [Arne Schubert](https://github.com/atd-schubert), [Michael Auer](https://github.com/mcauer), [Roni Karilkar](https://github.com/ronikar), [Vladimir Dashukevich](https://github.com/life777), [Henry Thasler](https://github.com/henrythasler), [Colin Doig](https://github.com/captain-igloo), and [Hugo Sales](https://github.com/someonewithpc).

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{
"name": "@types/leaflet",
"version": "1.9.17",
"description": "TypeScript definitions for leaflet",
"homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/leaflet",
"license": "MIT",
"contributors": [
{
"name": "Alejandro Sánchez",
"githubUsername": "alejo90",
"url": "https://github.com/alejo90"
},
{
"name": "Arne Schubert",
"githubUsername": "atd-schubert",
"url": "https://github.com/atd-schubert"
},
{
"name": "Michael Auer",
"githubUsername": "mcauer",
"url": "https://github.com/mcauer"
},
{
"name": "Roni Karilkar",
"githubUsername": "ronikar",
"url": "https://github.com/ronikar"
},
{
"name": "Vladimir Dashukevich",
"githubUsername": "life777",
"url": "https://github.com/life777"
},
{
"name": "Henry Thasler",
"githubUsername": "henrythasler",
"url": "https://github.com/henrythasler"
},
{
"name": "Colin Doig",
"githubUsername": "captain-igloo",
"url": "https://github.com/captain-igloo"
},
{
"name": "Hugo Sales",
"githubUsername": "someonewithpc",
"url": "https://github.com/someonewithpc"
}
],
"main": "",
"types": "index.d.ts",
"repository": {
"type": "git",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
"directory": "types/leaflet"
},
"scripts": {},
"dependencies": {
"@types/geojson": "*"
},
"peerDependencies": {},
"typesPublisherContentHash": "43c209f5704bdfdb25a0c1401b4e2b4651495b4ad76fa83b2c2bc677b2995a15",
"typeScriptVersion": "5.0"
}

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BSD 2-Clause License
Copyright (c) 2010-2023, Volodymyr Agafonkin
Copyright (c) 2010-2011, CloudMade
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Leaflet was created 11 years ago by [Volodymyr Agafonkin](https://agafonkin.com), a Ukrainian citizen living in Kyiv.
Russian bombs are now falling over Volodymyr's hometown. His family, his friends, his neighbours, thousands and thousands of absolutely wonderful people, are either seeking refuge or fighting for their lives.
The Russian soldiers have already killed tens of thousands of civilians, including women and children, and are committing mass war crimes like gang rapes, executions, looting, and targeted bombings of civilian shelters and places of cultural significance. The death toll keeps rising, and Ukraine needs your help.
As Volodymyr [expressed a few days before the invasion](https://twitter.com/LeafletJS/status/1496051256409919489):
> If you want to help, educate yourself and others on the Russian threat, follow reputable journalists, demand severe Russian sanctions and Ukrainian support from your leaders, protest war, reach out to Ukrainian friends, donate to Ukrainian charities. Just don't be silent.
Ukrainians are recommending the [Come Back Alive](https://savelife.in.ua/en/) charity. For other options, see [StandWithUkraine](https://stand-with-ukraine.pp.ua).
If an appeal to humanity doesn't work for you, I'll appeal to your egoism: the future of Ukrainian citizens is the future of Leaflet.
It is chilling to see Leaflet being used for [documenting Russia's war crimes](https://ukraine.bellingcat.com/), [factual reporting of the war](https://liveuamap.com/) and for coordination of humanitarian efforts [in Romania](https://refugees.ro/) and [in Poland](https://dopomoha.pl/). We commend these uses of Leaflet.
If you support the actions of the Russian government (even after reading all this), do everyone else a favour and [carry some seeds in your pocket](https://www.theguardian.com/world/video/2022/feb/25/ukrainian-woman-sunflower-seeds-russian-soldiers-video).
Yours truly,<br>
Leaflet maintainers.
---
<img width="600" src="https://rawgit.com/Leaflet/Leaflet/main/src/images/logo.svg" alt="Leaflet" />
Leaflet is the leading open-source JavaScript library for **mobile-friendly interactive maps**.
Weighing just about 39 KB of gzipped JS plus 4 KB of gzipped CSS code, it has all the mapping [features][] most developers ever need.
Leaflet is designed with *simplicity*, *performance* and *usability* in mind.
It works efficiently across all major desktop and mobile platforms out of the box,
taking advantage of HTML5 and CSS3 on modern browsers while being accessible on older ones too.
It can be extended with a huge amount of [plugins][],
has a beautiful, easy to use and [well-documented][] API
and a simple, readable [source code][] that is a joy to [contribute][] to.
For more info, docs and tutorials, check out the [official website][].<br>
For **Leaflet downloads** (including the built main version), check out the [download page][].
We're happy to meet new contributors.
If you want to **get involved** with Leaflet development, check out the [contribution guide][contribute].
Let's make the best mapping library that will ever exist,
and push the limits of what's possible with online maps!
[![CI](https://github.com/Leaflet/Leaflet/actions/workflows/main.yml/badge.svg)](https://github.com/Leaflet/Leaflet/actions/workflows/main.yml)
[contributors]: https://github.com/Leaflet/Leaflet/graphs/contributors
[features]: http://leafletjs.com/#features
[plugins]: http://leafletjs.com/plugins.html
[well-documented]: http://leafletjs.com/reference.html "Leaflet API reference"
[source code]: https://github.com/Leaflet/Leaflet "Leaflet GitHub repository"
[hosted on GitHub]: http://github.com/Leaflet/Leaflet
[contribute]: https://github.com/Leaflet/Leaflet/blob/main/CONTRIBUTING.md "A guide to contributing to Leaflet"
[official website]: http://leafletjs.com
[download page]: http://leafletjs.com/download.html

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/* required styles */
.leaflet-pane,
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-tile-container,
.leaflet-pane > svg,
.leaflet-pane > canvas,
.leaflet-zoom-box,
.leaflet-image-layer,
.leaflet-layer {
position: absolute;
left: 0;
top: 0;
}
.leaflet-container {
overflow: hidden;
}
.leaflet-tile,
.leaflet-marker-icon,
.leaflet-marker-shadow {
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
-webkit-user-drag: none;
}
/* Prevents IE11 from highlighting tiles in blue */
.leaflet-tile::selection {
background: transparent;
}
/* Safari renders non-retina tile on retina better with this, but Chrome is worse */
.leaflet-safari .leaflet-tile {
image-rendering: -webkit-optimize-contrast;
}
/* hack that prevents hw layers "stretching" when loading new tiles */
.leaflet-safari .leaflet-tile-container {
width: 1600px;
height: 1600px;
-webkit-transform-origin: 0 0;
}
.leaflet-marker-icon,
.leaflet-marker-shadow {
display: block;
}
/* .leaflet-container svg: reset svg max-width decleration shipped in Joomla! (joomla.org) 3.x */
/* .leaflet-container img: map is broken in FF if you have max-width: 100% on tiles */
.leaflet-container .leaflet-overlay-pane svg {
max-width: none !important;
max-height: none !important;
}
.leaflet-container .leaflet-marker-pane img,
.leaflet-container .leaflet-shadow-pane img,
.leaflet-container .leaflet-tile-pane img,
.leaflet-container img.leaflet-image-layer,
.leaflet-container .leaflet-tile {
max-width: none !important;
max-height: none !important;
width: auto;
padding: 0;
}
.leaflet-container img.leaflet-tile {
/* See: https://bugs.chromium.org/p/chromium/issues/detail?id=600120 */
mix-blend-mode: plus-lighter;
}
.leaflet-container.leaflet-touch-zoom {
-ms-touch-action: pan-x pan-y;
touch-action: pan-x pan-y;
}
.leaflet-container.leaflet-touch-drag {
-ms-touch-action: pinch-zoom;
/* Fallback for FF which doesn't support pinch-zoom */
touch-action: none;
touch-action: pinch-zoom;
}
.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {
-ms-touch-action: none;
touch-action: none;
}
.leaflet-container {
-webkit-tap-highlight-color: transparent;
}
.leaflet-container a {
-webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);
}
.leaflet-tile {
filter: inherit;
visibility: hidden;
}
.leaflet-tile-loaded {
visibility: inherit;
}
.leaflet-zoom-box {
width: 0;
height: 0;
-moz-box-sizing: border-box;
box-sizing: border-box;
z-index: 800;
}
/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */
.leaflet-overlay-pane svg {
-moz-user-select: none;
}
.leaflet-pane { z-index: 400; }
.leaflet-tile-pane { z-index: 200; }
.leaflet-overlay-pane { z-index: 400; }
.leaflet-shadow-pane { z-index: 500; }
.leaflet-marker-pane { z-index: 600; }
.leaflet-tooltip-pane { z-index: 650; }
.leaflet-popup-pane { z-index: 700; }
.leaflet-map-pane canvas { z-index: 100; }
.leaflet-map-pane svg { z-index: 200; }
.leaflet-vml-shape {
width: 1px;
height: 1px;
}
.lvml {
behavior: url(#default#VML);
display: inline-block;
position: absolute;
}
/* control positioning */
.leaflet-control {
position: relative;
z-index: 800;
pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
pointer-events: auto;
}
.leaflet-top,
.leaflet-bottom {
position: absolute;
z-index: 1000;
pointer-events: none;
}
.leaflet-top {
top: 0;
}
.leaflet-right {
right: 0;
}
.leaflet-bottom {
bottom: 0;
}
.leaflet-left {
left: 0;
}
.leaflet-control {
float: left;
clear: both;
}
.leaflet-right .leaflet-control {
float: right;
}
.leaflet-top .leaflet-control {
margin-top: 10px;
}
.leaflet-bottom .leaflet-control {
margin-bottom: 10px;
}
.leaflet-left .leaflet-control {
margin-left: 10px;
}
.leaflet-right .leaflet-control {
margin-right: 10px;
}
/* zoom and fade animations */
.leaflet-fade-anim .leaflet-popup {
opacity: 0;
-webkit-transition: opacity 0.2s linear;
-moz-transition: opacity 0.2s linear;
transition: opacity 0.2s linear;
}
.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
opacity: 1;
}
.leaflet-zoom-animated {
-webkit-transform-origin: 0 0;
-ms-transform-origin: 0 0;
transform-origin: 0 0;
}
svg.leaflet-zoom-animated {
will-change: transform;
}
.leaflet-zoom-anim .leaflet-zoom-animated {
-webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);
-moz-transition: -moz-transform 0.25s cubic-bezier(0,0,0.25,1);
transition: transform 0.25s cubic-bezier(0,0,0.25,1);
}
.leaflet-zoom-anim .leaflet-tile,
.leaflet-pan-anim .leaflet-tile {
-webkit-transition: none;
-moz-transition: none;
transition: none;
}
.leaflet-zoom-anim .leaflet-zoom-hide {
visibility: hidden;
}
/* cursors */
.leaflet-interactive {
cursor: pointer;
}
.leaflet-grab {
cursor: -webkit-grab;
cursor: -moz-grab;
cursor: grab;
}
.leaflet-crosshair,
.leaflet-crosshair .leaflet-interactive {
cursor: crosshair;
}
.leaflet-popup-pane,
.leaflet-control {
cursor: auto;
}
.leaflet-dragging .leaflet-grab,
.leaflet-dragging .leaflet-grab .leaflet-interactive,
.leaflet-dragging .leaflet-marker-draggable {
cursor: move;
cursor: -webkit-grabbing;
cursor: -moz-grabbing;
cursor: grabbing;
}
/* marker & overlays interactivity */
.leaflet-marker-icon,
.leaflet-marker-shadow,
.leaflet-image-layer,
.leaflet-pane > svg path,
.leaflet-tile-container {
pointer-events: none;
}
.leaflet-marker-icon.leaflet-interactive,
.leaflet-image-layer.leaflet-interactive,
.leaflet-pane > svg path.leaflet-interactive,
svg.leaflet-image-layer.leaflet-interactive path {
pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
pointer-events: auto;
}
/* visual tweaks */
.leaflet-container {
background: #ddd;
outline-offset: 1px;
}
.leaflet-container a {
color: #0078A8;
}
.leaflet-zoom-box {
border: 2px dotted #38f;
background: rgba(255,255,255,0.5);
}
/* general typography */
.leaflet-container {
font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
font-size: 12px;
font-size: 0.75rem;
line-height: 1.5;
}
/* general toolbar styles */
.leaflet-bar {
box-shadow: 0 1px 5px rgba(0,0,0,0.65);
border-radius: 4px;
}
.leaflet-bar a {
background-color: #fff;
border-bottom: 1px solid #ccc;
width: 26px;
height: 26px;
line-height: 26px;
display: block;
text-align: center;
text-decoration: none;
color: black;
}
.leaflet-bar a,
.leaflet-control-layers-toggle {
background-position: 50% 50%;
background-repeat: no-repeat;
display: block;
}
.leaflet-bar a:hover,
.leaflet-bar a:focus {
background-color: #f4f4f4;
}
.leaflet-bar a:first-child {
border-top-left-radius: 4px;
border-top-right-radius: 4px;
}
.leaflet-bar a:last-child {
border-bottom-left-radius: 4px;
border-bottom-right-radius: 4px;
border-bottom: none;
}
.leaflet-bar a.leaflet-disabled {
cursor: default;
background-color: #f4f4f4;
color: #bbb;
}
.leaflet-touch .leaflet-bar a {
width: 30px;
height: 30px;
line-height: 30px;
}
.leaflet-touch .leaflet-bar a:first-child {
border-top-left-radius: 2px;
border-top-right-radius: 2px;
}
.leaflet-touch .leaflet-bar a:last-child {
border-bottom-left-radius: 2px;
border-bottom-right-radius: 2px;
}
/* zoom control */
.leaflet-control-zoom-in,
.leaflet-control-zoom-out {
font: bold 18px 'Lucida Console', Monaco, monospace;
text-indent: 1px;
}
.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out {
font-size: 22px;
}
/* layers control */
.leaflet-control-layers {
box-shadow: 0 1px 5px rgba(0,0,0,0.4);
background: #fff;
border-radius: 5px;
}
.leaflet-control-layers-toggle {
background-image: url(images/layers.png);
width: 36px;
height: 36px;
}
.leaflet-retina .leaflet-control-layers-toggle {
background-image: url(images/layers-2x.png);
background-size: 26px 26px;
}
.leaflet-touch .leaflet-control-layers-toggle {
width: 44px;
height: 44px;
}
.leaflet-control-layers .leaflet-control-layers-list,
.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
display: none;
}
.leaflet-control-layers-expanded .leaflet-control-layers-list {
display: block;
position: relative;
}
.leaflet-control-layers-expanded {
padding: 6px 10px 6px 6px;
color: #333;
background: #fff;
}
.leaflet-control-layers-scrollbar {
overflow-y: scroll;
overflow-x: hidden;
padding-right: 5px;
}
.leaflet-control-layers-selector {
margin-top: 2px;
position: relative;
top: 1px;
}
.leaflet-control-layers label {
display: block;
font-size: 13px;
font-size: 1.08333em;
}
.leaflet-control-layers-separator {
height: 0;
border-top: 1px solid #ddd;
margin: 5px -10px 5px -6px;
}
/* Default icon URLs */
.leaflet-default-icon-path { /* used only in path-guessing heuristic, see L.Icon.Default */
background-image: url(images/marker-icon.png);
}
/* attribution and scale controls */
.leaflet-container .leaflet-control-attribution {
background: #fff;
background: rgba(255, 255, 255, 0.8);
margin: 0;
}
.leaflet-control-attribution,
.leaflet-control-scale-line {
padding: 0 5px;
color: #333;
line-height: 1.4;
}
.leaflet-control-attribution a {
text-decoration: none;
}
.leaflet-control-attribution a:hover,
.leaflet-control-attribution a:focus {
text-decoration: underline;
}
.leaflet-attribution-flag {
display: inline !important;
vertical-align: baseline !important;
width: 1em;
height: 0.6669em;
}
.leaflet-left .leaflet-control-scale {
margin-left: 5px;
}
.leaflet-bottom .leaflet-control-scale {
margin-bottom: 5px;
}
.leaflet-control-scale-line {
border: 2px solid #777;
border-top: none;
line-height: 1.1;
padding: 2px 5px 1px;
white-space: nowrap;
-moz-box-sizing: border-box;
box-sizing: border-box;
background: rgba(255, 255, 255, 0.8);
text-shadow: 1px 1px #fff;
}
.leaflet-control-scale-line:not(:first-child) {
border-top: 2px solid #777;
border-bottom: none;
margin-top: -2px;
}
.leaflet-control-scale-line:not(:first-child):not(:last-child) {
border-bottom: 2px solid #777;
}
.leaflet-touch .leaflet-control-attribution,
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
box-shadow: none;
}
.leaflet-touch .leaflet-control-layers,
.leaflet-touch .leaflet-bar {
border: 2px solid rgba(0,0,0,0.2);
background-clip: padding-box;
}
/* popup */
.leaflet-popup {
position: absolute;
text-align: center;
margin-bottom: 20px;
}
.leaflet-popup-content-wrapper {
padding: 1px;
text-align: left;
border-radius: 12px;
}
.leaflet-popup-content {
margin: 13px 24px 13px 20px;
line-height: 1.3;
font-size: 13px;
font-size: 1.08333em;
min-height: 1px;
}
.leaflet-popup-content p {
margin: 17px 0;
margin: 1.3em 0;
}
.leaflet-popup-tip-container {
width: 40px;
height: 20px;
position: absolute;
left: 50%;
margin-top: -1px;
margin-left: -20px;
overflow: hidden;
pointer-events: none;
}
.leaflet-popup-tip {
width: 17px;
height: 17px;
padding: 1px;
margin: -10px auto 0;
pointer-events: auto;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}
.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
background: white;
color: #333;
box-shadow: 0 3px 14px rgba(0,0,0,0.4);
}
.leaflet-container a.leaflet-popup-close-button {
position: absolute;
top: 0;
right: 0;
border: none;
text-align: center;
width: 24px;
height: 24px;
font: 16px/24px Tahoma, Verdana, sans-serif;
color: #757575;
text-decoration: none;
background: transparent;
}
.leaflet-container a.leaflet-popup-close-button:hover,
.leaflet-container a.leaflet-popup-close-button:focus {
color: #585858;
}
.leaflet-popup-scrolled {
overflow: auto;
}
.leaflet-oldie .leaflet-popup-content-wrapper {
-ms-zoom: 1;
}
.leaflet-oldie .leaflet-popup-tip {
width: 24px;
margin: 0 auto;
-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";
filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);
}
.leaflet-oldie .leaflet-control-zoom,
.leaflet-oldie .leaflet-control-layers,
.leaflet-oldie .leaflet-popup-content-wrapper,
.leaflet-oldie .leaflet-popup-tip {
border: 1px solid #999;
}
/* div icon */
.leaflet-div-icon {
background: #fff;
border: 1px solid #666;
}
/* Tooltip */
/* Base styles for the element that has a tooltip */
.leaflet-tooltip {
position: absolute;
padding: 6px;
background-color: #fff;
border: 1px solid #fff;
border-radius: 3px;
color: #222;
white-space: nowrap;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
pointer-events: none;
box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.leaflet-tooltip.leaflet-interactive {
cursor: pointer;
pointer-events: auto;
}
.leaflet-tooltip-top:before,
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
position: absolute;
pointer-events: none;
border: 6px solid transparent;
background: transparent;
content: "";
}
/* Directions */
.leaflet-tooltip-bottom {
margin-top: 6px;
}
.leaflet-tooltip-top {
margin-top: -6px;
}
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-top:before {
left: 50%;
margin-left: -6px;
}
.leaflet-tooltip-top:before {
bottom: 0;
margin-bottom: -12px;
border-top-color: #fff;
}
.leaflet-tooltip-bottom:before {
top: 0;
margin-top: -12px;
margin-left: -6px;
border-bottom-color: #fff;
}
.leaflet-tooltip-left {
margin-left: -6px;
}
.leaflet-tooltip-right {
margin-left: 6px;
}
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before {
top: 50%;
margin-top: -6px;
}
.leaflet-tooltip-left:before {
right: 0;
margin-right: -12px;
border-left-color: #fff;
}
.leaflet-tooltip-right:before {
left: 0;
margin-left: -12px;
border-right-color: #fff;
}
/* Printing */
@media print {
/* Prevent printers from removing background-images of controls. */
.leaflet-control {
-webkit-print-color-adjust: exact;
print-color-adjust: exact;
}
}

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1
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149
node_modules/leaflet/package.json generated vendored Normal file
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{
"name": "leaflet",
"version": "1.9.4",
"homepage": "https://leafletjs.com/",
"description": "JavaScript library for mobile-friendly interactive maps",
"devDependencies": {
"@mapbox/eslint-plugin-script-tags": "^1.0.0",
"@rollup/plugin-json": "^4.1.0",
"bundlemon": "^1.4.0",
"eslint": "^8.23.0",
"eslint-config-mourner": "^2.0.3",
"git-rev-sync": "^3.0.2",
"happen": "~0.3.2",
"husky": "^8.0.1",
"karma": "^6.4.0",
"karma-chrome-launcher": "^3.1.1",
"karma-edge-launcher": "^0.4.2",
"karma-expect": "^1.1.3",
"karma-firefox-launcher": "^2.1.2",
"karma-ie-launcher": "^1.0.0",
"karma-mocha": "^2.0.1",
"karma-rollup-preprocessor": "^7.0.8",
"karma-safari-launcher": "~1.0.0",
"karma-sinon": "^1.0.5",
"leafdoc": "^2.3.0",
"lint-staged": "^13.0.3",
"mocha": "^9.2.2",
"prosthetic-hand": "^1.4.0",
"rollup": "^2.78.1",
"rollup-plugin-git-version": "^0.3.1",
"sinon": "^7.5.0",
"ssri": "^9.0.1",
"uglify-js": "^3.17.0"
},
"main": "dist/leaflet-src.js",
"style": "dist/leaflet.css",
"files": [
"dist",
"src",
"!dist/leaflet.zip",
"!*.leafdoc",
"CHANGELOG.md"
],
"scripts": {
"docs": "node ./build/docs.js && node ./build/integrity.js",
"test": "karma start ./spec/karma.conf.js",
"build": "npm run rollup && npm run uglify",
"lint": "eslint .",
"lintfix": "npm run lint -- --fix",
"rollup": "rollup -c build/rollup-config.js",
"watch": "rollup -w -c build/rollup-config.js",
"uglify": "uglifyjs dist/leaflet-src.js -c -m -o dist/leaflet.js --source-map filename=dist/leaflet.js.map --source-map content=dist/leaflet-src.js.map --source-map url=leaflet.js.map --comments",
"bundlemon": "bundlemon --subProject js --defaultCompression none && bundlemon --subProject js-gzip --defaultCompression gzip",
"serve": "cd docs && bundle exec jekyll serve",
"prepare": "husky install"
},
"eslintConfig": {
"ignorePatterns": [
"dist",
"debug",
"docs/docs/highlight",
"docs/examples/choropleth/us-states.js",
"docs/examples/geojson/sample-geojson.js",
"docs/examples/map-panes/eu-countries.js",
"docs/examples/extending/extending-2-layers.md",
"docs/_posts/2012*",
"docs/_site",
"build/integrity.js"
],
"root": true,
"env": {
"commonjs": true,
"amd": true,
"node": false
},
"extends": "mourner",
"plugins": [
"@mapbox/eslint-plugin-script-tags"
],
"parserOptions": {
"ecmaVersion": 6,
"sourceType": "module"
},
"rules": {
"linebreak-style": [
0,
"unix"
],
"no-mixed-spaces-and-tabs": [
2,
"smart-tabs"
],
"indent": [
2,
"tab",
{
"VariableDeclarator": 0,
"flatTernaryExpressions": true
}
],
"curly": 2,
"spaced-comment": 2,
"strict": 0,
"wrap-iife": 0,
"key-spacing": 0,
"consistent-return": 0,
"no-unused-expressions": [
"error",
{
"allowShortCircuit": true
}
]
},
"overrides": [
{
"files": [
"build/**/*"
],
"env": {
"node": true
},
"rules": {
"global-require": 0
}
},
{
"files": [
"*.md"
],
"rules": {
"eol-last": 0,
"no-unused-vars": 0
}
}
]
},
"repository": {
"type": "git",
"url": "git://github.com/Leaflet/Leaflet.git"
},
"keywords": [
"gis",
"map"
],
"license": "BSD-2-Clause",
"lint-staged": {
"*.(js|md)": "eslint --cache --fix"
}
}

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import {version} from '../package.json';
export {version};
// control
export * from './control/index';
// core
export * from './core/index';
// dom
export * from './dom/index';
// geometry
export * from './geometry/index';
// geo
export * from './geo/index';
// layer
export * from './layer/index';
// map
export * from './map/index';

148
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import {Control} from './Control';
import {Map} from '../map/Map';
import * as Util from '../core/Util';
import * as DomEvent from '../dom/DomEvent';
import * as DomUtil from '../dom/DomUtil';
import Browser from '../core/Browser';
var ukrainianFlag = '<svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8" class="leaflet-attribution-flag"><path fill="#4C7BE1" d="M0 0h12v4H0z"/><path fill="#FFD500" d="M0 4h12v3H0z"/><path fill="#E0BC00" d="M0 7h12v1H0z"/></svg>';
/*
* @class Control.Attribution
* @aka L.Control.Attribution
* @inherits Control
*
* The attribution control allows you to display attribution data in a small text box on a map. It is put on the map by default unless you set its [`attributionControl` option](#map-attributioncontrol) to `false`, and it fetches attribution texts from layers with the [`getAttribution` method](#layer-getattribution) automatically. Extends Control.
*/
export var Attribution = Control.extend({
// @section
// @aka Control.Attribution options
options: {
position: 'bottomright',
// @option prefix: String|false = 'Leaflet'
// The HTML text shown before the attributions. Pass `false` to disable.
prefix: '<a href="https://leafletjs.com" title="A JavaScript library for interactive maps">' + (Browser.inlineSvg ? ukrainianFlag + ' ' : '') + 'Leaflet</a>'
},
initialize: function (options) {
Util.setOptions(this, options);
this._attributions = {};
},
onAdd: function (map) {
map.attributionControl = this;
this._container = DomUtil.create('div', 'leaflet-control-attribution');
DomEvent.disableClickPropagation(this._container);
// TODO ugly, refactor
for (var i in map._layers) {
if (map._layers[i].getAttribution) {
this.addAttribution(map._layers[i].getAttribution());
}
}
this._update();
map.on('layeradd', this._addAttribution, this);
return this._container;
},
onRemove: function (map) {
map.off('layeradd', this._addAttribution, this);
},
_addAttribution: function (ev) {
if (ev.layer.getAttribution) {
this.addAttribution(ev.layer.getAttribution());
ev.layer.once('remove', function () {
this.removeAttribution(ev.layer.getAttribution());
}, this);
}
},
// @method setPrefix(prefix: String|false): this
// The HTML text shown before the attributions. Pass `false` to disable.
setPrefix: function (prefix) {
this.options.prefix = prefix;
this._update();
return this;
},
// @method addAttribution(text: String): this
// Adds an attribution text (e.g. `'&copy; OpenStreetMap contributors'`).
addAttribution: function (text) {
if (!text) { return this; }
if (!this._attributions[text]) {
this._attributions[text] = 0;
}
this._attributions[text]++;
this._update();
return this;
},
// @method removeAttribution(text: String): this
// Removes an attribution text.
removeAttribution: function (text) {
if (!text) { return this; }
if (this._attributions[text]) {
this._attributions[text]--;
this._update();
}
return this;
},
_update: function () {
if (!this._map) { return; }
var attribs = [];
for (var i in this._attributions) {
if (this._attributions[i]) {
attribs.push(i);
}
}
var prefixAndAttribs = [];
if (this.options.prefix) {
prefixAndAttribs.push(this.options.prefix);
}
if (attribs.length) {
prefixAndAttribs.push(attribs.join(', '));
}
this._container.innerHTML = prefixAndAttribs.join(' <span aria-hidden="true">|</span> ');
}
});
// @namespace Map
// @section Control options
// @option attributionControl: Boolean = true
// Whether a [attribution control](#control-attribution) is added to the map by default.
Map.mergeOptions({
attributionControl: true
});
Map.addInitHook(function () {
if (this.options.attributionControl) {
new Attribution().addTo(this);
}
});
// @namespace Control.Attribution
// @factory L.control.attribution(options: Control.Attribution options)
// Creates an attribution control.
export var attribution = function (options) {
return new Attribution(options);
};

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import {Control} from './Control';
import * as Util from '../core/Util';
import * as DomEvent from '../dom/DomEvent';
import * as DomUtil from '../dom/DomUtil';
/*
* @class Control.Layers
* @aka L.Control.Layers
* @inherits Control
*
* The layers control gives users the ability to switch between different base layers and switch overlays on/off (check out the [detailed example](https://leafletjs.com/examples/layers-control/)). Extends `Control`.
*
* @example
*
* ```js
* var baseLayers = {
* "Mapbox": mapbox,
* "OpenStreetMap": osm
* };
*
* var overlays = {
* "Marker": marker,
* "Roads": roadsLayer
* };
*
* L.control.layers(baseLayers, overlays).addTo(map);
* ```
*
* The `baseLayers` and `overlays` parameters are object literals with layer names as keys and `Layer` objects as values:
*
* ```js
* {
* "<someName1>": layer1,
* "<someName2>": layer2
* }
* ```
*
* The layer names can contain HTML, which allows you to add additional styling to the items:
*
* ```js
* {"<img src='my-layer-icon' /> <span class='my-layer-item'>My Layer</span>": myLayer}
* ```
*/
export var Layers = Control.extend({
// @section
// @aka Control.Layers options
options: {
// @option collapsed: Boolean = true
// If `true`, the control will be collapsed into an icon and expanded on mouse hover, touch, or keyboard activation.
collapsed: true,
position: 'topright',
// @option autoZIndex: Boolean = true
// If `true`, the control will assign zIndexes in increasing order to all of its layers so that the order is preserved when switching them on/off.
autoZIndex: true,
// @option hideSingleBase: Boolean = false
// If `true`, the base layers in the control will be hidden when there is only one.
hideSingleBase: false,
// @option sortLayers: Boolean = false
// Whether to sort the layers. When `false`, layers will keep the order
// in which they were added to the control.
sortLayers: false,
// @option sortFunction: Function = *
// A [compare function](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)
// that will be used for sorting the layers, when `sortLayers` is `true`.
// The function receives both the `L.Layer` instances and their names, as in
// `sortFunction(layerA, layerB, nameA, nameB)`.
// By default, it sorts layers alphabetically by their name.
sortFunction: function (layerA, layerB, nameA, nameB) {
return nameA < nameB ? -1 : (nameB < nameA ? 1 : 0);
}
},
initialize: function (baseLayers, overlays, options) {
Util.setOptions(this, options);
this._layerControlInputs = [];
this._layers = [];
this._lastZIndex = 0;
this._handlingClick = false;
this._preventClick = false;
for (var i in baseLayers) {
this._addLayer(baseLayers[i], i);
}
for (i in overlays) {
this._addLayer(overlays[i], i, true);
}
},
onAdd: function (map) {
this._initLayout();
this._update();
this._map = map;
map.on('zoomend', this._checkDisabledLayers, this);
for (var i = 0; i < this._layers.length; i++) {
this._layers[i].layer.on('add remove', this._onLayerChange, this);
}
return this._container;
},
addTo: function (map) {
Control.prototype.addTo.call(this, map);
// Trigger expand after Layers Control has been inserted into DOM so that is now has an actual height.
return this._expandIfNotCollapsed();
},
onRemove: function () {
this._map.off('zoomend', this._checkDisabledLayers, this);
for (var i = 0; i < this._layers.length; i++) {
this._layers[i].layer.off('add remove', this._onLayerChange, this);
}
},
// @method addBaseLayer(layer: Layer, name: String): this
// Adds a base layer (radio button entry) with the given name to the control.
addBaseLayer: function (layer, name) {
this._addLayer(layer, name);
return (this._map) ? this._update() : this;
},
// @method addOverlay(layer: Layer, name: String): this
// Adds an overlay (checkbox entry) with the given name to the control.
addOverlay: function (layer, name) {
this._addLayer(layer, name, true);
return (this._map) ? this._update() : this;
},
// @method removeLayer(layer: Layer): this
// Remove the given layer from the control.
removeLayer: function (layer) {
layer.off('add remove', this._onLayerChange, this);
var obj = this._getLayer(Util.stamp(layer));
if (obj) {
this._layers.splice(this._layers.indexOf(obj), 1);
}
return (this._map) ? this._update() : this;
},
// @method expand(): this
// Expand the control container if collapsed.
expand: function () {
DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
this._section.style.height = null;
var acceptableHeight = this._map.getSize().y - (this._container.offsetTop + 50);
if (acceptableHeight < this._section.clientHeight) {
DomUtil.addClass(this._section, 'leaflet-control-layers-scrollbar');
this._section.style.height = acceptableHeight + 'px';
} else {
DomUtil.removeClass(this._section, 'leaflet-control-layers-scrollbar');
}
this._checkDisabledLayers();
return this;
},
// @method collapse(): this
// Collapse the control container if expanded.
collapse: function () {
DomUtil.removeClass(this._container, 'leaflet-control-layers-expanded');
return this;
},
_initLayout: function () {
var className = 'leaflet-control-layers',
container = this._container = DomUtil.create('div', className),
collapsed = this.options.collapsed;
// makes this work on IE touch devices by stopping it from firing a mouseout event when the touch is released
container.setAttribute('aria-haspopup', true);
DomEvent.disableClickPropagation(container);
DomEvent.disableScrollPropagation(container);
var section = this._section = DomUtil.create('section', className + '-list');
if (collapsed) {
this._map.on('click', this.collapse, this);
DomEvent.on(container, {
mouseenter: this._expandSafely,
mouseleave: this.collapse
}, this);
}
var link = this._layersLink = DomUtil.create('a', className + '-toggle', container);
link.href = '#';
link.title = 'Layers';
link.setAttribute('role', 'button');
DomEvent.on(link, {
keydown: function (e) {
if (e.keyCode === 13) {
this._expandSafely();
}
},
// Certain screen readers intercept the key event and instead send a click event
click: function (e) {
DomEvent.preventDefault(e);
this._expandSafely();
}
}, this);
if (!collapsed) {
this.expand();
}
this._baseLayersList = DomUtil.create('div', className + '-base', section);
this._separator = DomUtil.create('div', className + '-separator', section);
this._overlaysList = DomUtil.create('div', className + '-overlays', section);
container.appendChild(section);
},
_getLayer: function (id) {
for (var i = 0; i < this._layers.length; i++) {
if (this._layers[i] && Util.stamp(this._layers[i].layer) === id) {
return this._layers[i];
}
}
},
_addLayer: function (layer, name, overlay) {
if (this._map) {
layer.on('add remove', this._onLayerChange, this);
}
this._layers.push({
layer: layer,
name: name,
overlay: overlay
});
if (this.options.sortLayers) {
this._layers.sort(Util.bind(function (a, b) {
return this.options.sortFunction(a.layer, b.layer, a.name, b.name);
}, this));
}
if (this.options.autoZIndex && layer.setZIndex) {
this._lastZIndex++;
layer.setZIndex(this._lastZIndex);
}
this._expandIfNotCollapsed();
},
_update: function () {
if (!this._container) { return this; }
DomUtil.empty(this._baseLayersList);
DomUtil.empty(this._overlaysList);
this._layerControlInputs = [];
var baseLayersPresent, overlaysPresent, i, obj, baseLayersCount = 0;
for (i = 0; i < this._layers.length; i++) {
obj = this._layers[i];
this._addItem(obj);
overlaysPresent = overlaysPresent || obj.overlay;
baseLayersPresent = baseLayersPresent || !obj.overlay;
baseLayersCount += !obj.overlay ? 1 : 0;
}
// Hide base layers section if there's only one layer.
if (this.options.hideSingleBase) {
baseLayersPresent = baseLayersPresent && baseLayersCount > 1;
this._baseLayersList.style.display = baseLayersPresent ? '' : 'none';
}
this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
return this;
},
_onLayerChange: function (e) {
if (!this._handlingClick) {
this._update();
}
var obj = this._getLayer(Util.stamp(e.target));
// @namespace Map
// @section Layer events
// @event baselayerchange: LayersControlEvent
// Fired when the base layer is changed through the [layers control](#control-layers).
// @event overlayadd: LayersControlEvent
// Fired when an overlay is selected through the [layers control](#control-layers).
// @event overlayremove: LayersControlEvent
// Fired when an overlay is deselected through the [layers control](#control-layers).
// @namespace Control.Layers
var type = obj.overlay ?
(e.type === 'add' ? 'overlayadd' : 'overlayremove') :
(e.type === 'add' ? 'baselayerchange' : null);
if (type) {
this._map.fire(type, obj);
}
},
// IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see https://stackoverflow.com/a/119079)
_createRadioElement: function (name, checked) {
var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' +
name + '"' + (checked ? ' checked="checked"' : '') + '/>';
var radioFragment = document.createElement('div');
radioFragment.innerHTML = radioHtml;
return radioFragment.firstChild;
},
_addItem: function (obj) {
var label = document.createElement('label'),
checked = this._map.hasLayer(obj.layer),
input;
if (obj.overlay) {
input = document.createElement('input');
input.type = 'checkbox';
input.className = 'leaflet-control-layers-selector';
input.defaultChecked = checked;
} else {
input = this._createRadioElement('leaflet-base-layers_' + Util.stamp(this), checked);
}
this._layerControlInputs.push(input);
input.layerId = Util.stamp(obj.layer);
DomEvent.on(input, 'click', this._onInputClick, this);
var name = document.createElement('span');
name.innerHTML = ' ' + obj.name;
// Helps from preventing layer control flicker when checkboxes are disabled
// https://github.com/Leaflet/Leaflet/issues/2771
var holder = document.createElement('span');
label.appendChild(holder);
holder.appendChild(input);
holder.appendChild(name);
var container = obj.overlay ? this._overlaysList : this._baseLayersList;
container.appendChild(label);
this._checkDisabledLayers();
return label;
},
_onInputClick: function () {
// expanding the control on mobile with a click can cause adding a layer - we don't want this
if (this._preventClick) {
return;
}
var inputs = this._layerControlInputs,
input, layer;
var addedLayers = [],
removedLayers = [];
this._handlingClick = true;
for (var i = inputs.length - 1; i >= 0; i--) {
input = inputs[i];
layer = this._getLayer(input.layerId).layer;
if (input.checked) {
addedLayers.push(layer);
} else if (!input.checked) {
removedLayers.push(layer);
}
}
// Bugfix issue 2318: Should remove all old layers before readding new ones
for (i = 0; i < removedLayers.length; i++) {
if (this._map.hasLayer(removedLayers[i])) {
this._map.removeLayer(removedLayers[i]);
}
}
for (i = 0; i < addedLayers.length; i++) {
if (!this._map.hasLayer(addedLayers[i])) {
this._map.addLayer(addedLayers[i]);
}
}
this._handlingClick = false;
this._refocusOnMap();
},
_checkDisabledLayers: function () {
var inputs = this._layerControlInputs,
input,
layer,
zoom = this._map.getZoom();
for (var i = inputs.length - 1; i >= 0; i--) {
input = inputs[i];
layer = this._getLayer(input.layerId).layer;
input.disabled = (layer.options.minZoom !== undefined && zoom < layer.options.minZoom) ||
(layer.options.maxZoom !== undefined && zoom > layer.options.maxZoom);
}
},
_expandIfNotCollapsed: function () {
if (this._map && !this.options.collapsed) {
this.expand();
}
return this;
},
_expandSafely: function () {
var section = this._section;
this._preventClick = true;
DomEvent.on(section, 'click', DomEvent.preventDefault);
this.expand();
var that = this;
setTimeout(function () {
DomEvent.off(section, 'click', DomEvent.preventDefault);
that._preventClick = false;
});
}
});
// @factory L.control.layers(baselayers?: Object, overlays?: Object, options?: Control.Layers options)
// Creates a layers control with the given layers. Base layers will be switched with radio buttons, while overlays will be switched with checkboxes. Note that all base layers should be passed in the base layers object, but only one should be added to the map during map instantiation.
export var layers = function (baseLayers, overlays, options) {
return new Layers(baseLayers, overlays, options);
};

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import {Control} from './Control';
import * as DomUtil from '../dom/DomUtil';
/*
* @class Control.Scale
* @aka L.Control.Scale
* @inherits Control
*
* A simple scale control that shows the scale of the current center of screen in metric (m/km) and imperial (mi/ft) systems. Extends `Control`.
*
* @example
*
* ```js
* L.control.scale().addTo(map);
* ```
*/
export var Scale = Control.extend({
// @section
// @aka Control.Scale options
options: {
position: 'bottomleft',
// @option maxWidth: Number = 100
// Maximum width of the control in pixels. The width is set dynamically to show round values (e.g. 100, 200, 500).
maxWidth: 100,
// @option metric: Boolean = True
// Whether to show the metric scale line (m/km).
metric: true,
// @option imperial: Boolean = True
// Whether to show the imperial scale line (mi/ft).
imperial: true
// @option updateWhenIdle: Boolean = false
// If `true`, the control is updated on [`moveend`](#map-moveend), otherwise it's always up-to-date (updated on [`move`](#map-move)).
},
onAdd: function (map) {
var className = 'leaflet-control-scale',
container = DomUtil.create('div', className),
options = this.options;
this._addScales(options, className + '-line', container);
map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
map.whenReady(this._update, this);
return container;
},
onRemove: function (map) {
map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
},
_addScales: function (options, className, container) {
if (options.metric) {
this._mScale = DomUtil.create('div', className, container);
}
if (options.imperial) {
this._iScale = DomUtil.create('div', className, container);
}
},
_update: function () {
var map = this._map,
y = map.getSize().y / 2;
var maxMeters = map.distance(
map.containerPointToLatLng([0, y]),
map.containerPointToLatLng([this.options.maxWidth, y]));
this._updateScales(maxMeters);
},
_updateScales: function (maxMeters) {
if (this.options.metric && maxMeters) {
this._updateMetric(maxMeters);
}
if (this.options.imperial && maxMeters) {
this._updateImperial(maxMeters);
}
},
_updateMetric: function (maxMeters) {
var meters = this._getRoundNum(maxMeters),
label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
this._updateScale(this._mScale, label, meters / maxMeters);
},
_updateImperial: function (maxMeters) {
var maxFeet = maxMeters * 3.2808399,
maxMiles, miles, feet;
if (maxFeet > 5280) {
maxMiles = maxFeet / 5280;
miles = this._getRoundNum(maxMiles);
this._updateScale(this._iScale, miles + ' mi', miles / maxMiles);
} else {
feet = this._getRoundNum(maxFeet);
this._updateScale(this._iScale, feet + ' ft', feet / maxFeet);
}
},
_updateScale: function (scale, text, ratio) {
scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px';
scale.innerHTML = text;
},
_getRoundNum: function (num) {
var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),
d = num / pow10;
d = d >= 10 ? 10 :
d >= 5 ? 5 :
d >= 3 ? 3 :
d >= 2 ? 2 : 1;
return pow10 * d;
}
});
// @factory L.control.scale(options?: Control.Scale options)
// Creates an scale control with the given options.
export var scale = function (options) {
return new Scale(options);
};

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import {Control} from './Control';
import {Map} from '../map/Map';
import * as DomUtil from '../dom/DomUtil';
import * as DomEvent from '../dom/DomEvent';
/*
* @class Control.Zoom
* @aka L.Control.Zoom
* @inherits Control
*
* A basic zoom control with two buttons (zoom in and zoom out). It is put on the map by default unless you set its [`zoomControl` option](#map-zoomcontrol) to `false`. Extends `Control`.
*/
export var Zoom = Control.extend({
// @section
// @aka Control.Zoom options
options: {
position: 'topleft',
// @option zoomInText: String = '<span aria-hidden="true">+</span>'
// The text set on the 'zoom in' button.
zoomInText: '<span aria-hidden="true">+</span>',
// @option zoomInTitle: String = 'Zoom in'
// The title set on the 'zoom in' button.
zoomInTitle: 'Zoom in',
// @option zoomOutText: String = '<span aria-hidden="true">&#x2212;</span>'
// The text set on the 'zoom out' button.
zoomOutText: '<span aria-hidden="true">&#x2212;</span>',
// @option zoomOutTitle: String = 'Zoom out'
// The title set on the 'zoom out' button.
zoomOutTitle: 'Zoom out'
},
onAdd: function (map) {
var zoomName = 'leaflet-control-zoom',
container = DomUtil.create('div', zoomName + ' leaflet-bar'),
options = this.options;
this._zoomInButton = this._createButton(options.zoomInText, options.zoomInTitle,
zoomName + '-in', container, this._zoomIn);
this._zoomOutButton = this._createButton(options.zoomOutText, options.zoomOutTitle,
zoomName + '-out', container, this._zoomOut);
this._updateDisabled();
map.on('zoomend zoomlevelschange', this._updateDisabled, this);
return container;
},
onRemove: function (map) {
map.off('zoomend zoomlevelschange', this._updateDisabled, this);
},
disable: function () {
this._disabled = true;
this._updateDisabled();
return this;
},
enable: function () {
this._disabled = false;
this._updateDisabled();
return this;
},
_zoomIn: function (e) {
if (!this._disabled && this._map._zoom < this._map.getMaxZoom()) {
this._map.zoomIn(this._map.options.zoomDelta * (e.shiftKey ? 3 : 1));
}
},
_zoomOut: function (e) {
if (!this._disabled && this._map._zoom > this._map.getMinZoom()) {
this._map.zoomOut(this._map.options.zoomDelta * (e.shiftKey ? 3 : 1));
}
},
_createButton: function (html, title, className, container, fn) {
var link = DomUtil.create('a', className, container);
link.innerHTML = html;
link.href = '#';
link.title = title;
/*
* Will force screen readers like VoiceOver to read this as "Zoom in - button"
*/
link.setAttribute('role', 'button');
link.setAttribute('aria-label', title);
DomEvent.disableClickPropagation(link);
DomEvent.on(link, 'click', DomEvent.stop);
DomEvent.on(link, 'click', fn, this);
DomEvent.on(link, 'click', this._refocusOnMap, this);
return link;
},
_updateDisabled: function () {
var map = this._map,
className = 'leaflet-disabled';
DomUtil.removeClass(this._zoomInButton, className);
DomUtil.removeClass(this._zoomOutButton, className);
this._zoomInButton.setAttribute('aria-disabled', 'false');
this._zoomOutButton.setAttribute('aria-disabled', 'false');
if (this._disabled || map._zoom === map.getMinZoom()) {
DomUtil.addClass(this._zoomOutButton, className);
this._zoomOutButton.setAttribute('aria-disabled', 'true');
}
if (this._disabled || map._zoom === map.getMaxZoom()) {
DomUtil.addClass(this._zoomInButton, className);
this._zoomInButton.setAttribute('aria-disabled', 'true');
}
}
});
// @namespace Map
// @section Control options
// @option zoomControl: Boolean = true
// Whether a [zoom control](#control-zoom) is added to the map by default.
Map.mergeOptions({
zoomControl: true
});
Map.addInitHook(function () {
if (this.options.zoomControl) {
// @section Controls
// @property zoomControl: Control.Zoom
// The default zoom control (only available if the
// [`zoomControl` option](#map-zoomcontrol) was `true` when creating the map).
this.zoomControl = new Zoom();
this.addControl(this.zoomControl);
}
});
// @namespace Control.Zoom
// @factory L.control.zoom(options: Control.Zoom options)
// Creates a zoom control
export var zoom = function (options) {
return new Zoom(options);
};

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import {Class} from '../core/Class';
import {Map} from '../map/Map';
import * as Util from '../core/Util';
import * as DomUtil from '../dom/DomUtil';
/*
* @class Control
* @aka L.Control
* @inherits Class
*
* L.Control is a base class for implementing map controls. Handles positioning.
* All other controls extend from this class.
*/
export var Control = Class.extend({
// @section
// @aka Control Options
options: {
// @option position: String = 'topright'
// The position of the control (one of the map corners). Possible values are `'topleft'`,
// `'topright'`, `'bottomleft'` or `'bottomright'`
position: 'topright'
},
initialize: function (options) {
Util.setOptions(this, options);
},
/* @section
* Classes extending L.Control will inherit the following methods:
*
* @method getPosition: string
* Returns the position of the control.
*/
getPosition: function () {
return this.options.position;
},
// @method setPosition(position: string): this
// Sets the position of the control.
setPosition: function (position) {
var map = this._map;
if (map) {
map.removeControl(this);
}
this.options.position = position;
if (map) {
map.addControl(this);
}
return this;
},
// @method getContainer: HTMLElement
// Returns the HTMLElement that contains the control.
getContainer: function () {
return this._container;
},
// @method addTo(map: Map): this
// Adds the control to the given map.
addTo: function (map) {
this.remove();
this._map = map;
var container = this._container = this.onAdd(map),
pos = this.getPosition(),
corner = map._controlCorners[pos];
DomUtil.addClass(container, 'leaflet-control');
if (pos.indexOf('bottom') !== -1) {
corner.insertBefore(container, corner.firstChild);
} else {
corner.appendChild(container);
}
this._map.on('unload', this.remove, this);
return this;
},
// @method remove: this
// Removes the control from the map it is currently active on.
remove: function () {
if (!this._map) {
return this;
}
DomUtil.remove(this._container);
if (this.onRemove) {
this.onRemove(this._map);
}
this._map.off('unload', this.remove, this);
this._map = null;
return this;
},
_refocusOnMap: function (e) {
// if map exists and event is not a keyboard event
if (this._map && e && e.screenX > 0 && e.screenY > 0) {
this._map.getContainer().focus();
}
}
});
export var control = function (options) {
return new Control(options);
};
/* @section Extension methods
* @uninheritable
*
* Every control should extend from `L.Control` and (re-)implement the following methods.
*
* @method onAdd(map: Map): HTMLElement
* Should return the container DOM element for the control and add listeners on relevant map events. Called on [`control.addTo(map)`](#control-addTo).
*
* @method onRemove(map: Map)
* Optional method. Should contain all clean up code that removes the listeners previously added in [`onAdd`](#control-onadd). Called on [`control.remove()`](#control-remove).
*/
/* @namespace Map
* @section Methods for Layers and Controls
*/
Map.include({
// @method addControl(control: Control): this
// Adds the given control to the map
addControl: function (control) {
control.addTo(this);
return this;
},
// @method removeControl(control: Control): this
// Removes the given control from the map
removeControl: function (control) {
control.remove();
return this;
},
_initControlPos: function () {
var corners = this._controlCorners = {},
l = 'leaflet-',
container = this._controlContainer =
DomUtil.create('div', l + 'control-container', this._container);
function createCorner(vSide, hSide) {
var className = l + vSide + ' ' + l + hSide;
corners[vSide + hSide] = DomUtil.create('div', className, container);
}
createCorner('top', 'left');
createCorner('top', 'right');
createCorner('bottom', 'left');
createCorner('bottom', 'right');
},
_clearControlPos: function () {
for (var i in this._controlCorners) {
DomUtil.remove(this._controlCorners[i]);
}
DomUtil.remove(this._controlContainer);
delete this._controlCorners;
delete this._controlContainer;
}
});

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node_modules/leaflet/src/control/index.js generated vendored Normal file
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import {Control, control} from './Control';
import {Layers, layers} from './Control.Layers';
import {Zoom, zoom} from './Control.Zoom';
import {Scale, scale} from './Control.Scale';
import {Attribution, attribution} from './Control.Attribution';
Control.Layers = Layers;
Control.Zoom = Zoom;
Control.Scale = Scale;
Control.Attribution = Attribution;
control.layers = layers;
control.zoom = zoom;
control.scale = scale;
control.attribution = attribution;
export {Control, control};

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node_modules/leaflet/src/core/Browser.js generated vendored Normal file
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import * as Util from './Util';
import {svgCreate} from '../layer/vector/SVG.Util';
/*
* @namespace Browser
* @aka L.Browser
*
* A namespace with static properties for browser/feature detection used by Leaflet internally.
*
* @example
*
* ```js
* if (L.Browser.ielt9) {
* alert('Upgrade your browser, dude!');
* }
* ```
*/
var style = document.documentElement.style;
// @property ie: Boolean; `true` for all Internet Explorer versions (not Edge).
var ie = 'ActiveXObject' in window;
// @property ielt9: Boolean; `true` for Internet Explorer versions less than 9.
var ielt9 = ie && !document.addEventListener;
// @property edge: Boolean; `true` for the Edge web browser.
var edge = 'msLaunchUri' in navigator && !('documentMode' in document);
// @property webkit: Boolean;
// `true` for webkit-based browsers like Chrome and Safari (including mobile versions).
var webkit = userAgentContains('webkit');
// @property android: Boolean
// **Deprecated.** `true` for any browser running on an Android platform.
var android = userAgentContains('android');
// @property android23: Boolean; **Deprecated.** `true` for browsers running on Android 2 or Android 3.
var android23 = userAgentContains('android 2') || userAgentContains('android 3');
/* See https://stackoverflow.com/a/17961266 for details on detecting stock Android */
var webkitVer = parseInt(/WebKit\/([0-9]+)|$/.exec(navigator.userAgent)[1], 10); // also matches AppleWebKit
// @property androidStock: Boolean; **Deprecated.** `true` for the Android stock browser (i.e. not Chrome)
var androidStock = android && userAgentContains('Google') && webkitVer < 537 && !('AudioNode' in window);
// @property opera: Boolean; `true` for the Opera browser
var opera = !!window.opera;
// @property chrome: Boolean; `true` for the Chrome browser.
var chrome = !edge && userAgentContains('chrome');
// @property gecko: Boolean; `true` for gecko-based browsers like Firefox.
var gecko = userAgentContains('gecko') && !webkit && !opera && !ie;
// @property safari: Boolean; `true` for the Safari browser.
var safari = !chrome && userAgentContains('safari');
var phantom = userAgentContains('phantom');
// @property opera12: Boolean
// `true` for the Opera browser supporting CSS transforms (version 12 or later).
var opera12 = 'OTransition' in style;
// @property win: Boolean; `true` when the browser is running in a Windows platform
var win = navigator.platform.indexOf('Win') === 0;
// @property ie3d: Boolean; `true` for all Internet Explorer versions supporting CSS transforms.
var ie3d = ie && ('transition' in style);
// @property webkit3d: Boolean; `true` for webkit-based browsers supporting CSS transforms.
var webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23;
// @property gecko3d: Boolean; `true` for gecko-based browsers supporting CSS transforms.
var gecko3d = 'MozPerspective' in style;
// @property any3d: Boolean
// `true` for all browsers supporting CSS transforms.
var any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantom;
// @property mobile: Boolean; `true` for all browsers running in a mobile device.
var mobile = typeof orientation !== 'undefined' || userAgentContains('mobile');
// @property mobileWebkit: Boolean; `true` for all webkit-based browsers in a mobile device.
var mobileWebkit = mobile && webkit;
// @property mobileWebkit3d: Boolean
// `true` for all webkit-based browsers in a mobile device supporting CSS transforms.
var mobileWebkit3d = mobile && webkit3d;
// @property msPointer: Boolean
// `true` for browsers implementing the Microsoft touch events model (notably IE10).
var msPointer = !window.PointerEvent && window.MSPointerEvent;
// @property pointer: Boolean
// `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx).
var pointer = !!(window.PointerEvent || msPointer);
// @property touchNative: Boolean
// `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events).
// **This does not necessarily mean** that the browser is running in a computer with
// a touchscreen, it only means that the browser is capable of understanding
// touch events.
var touchNative = 'ontouchstart' in window || !!window.TouchEvent;
// @property touch: Boolean
// `true` for all browsers supporting either [touch](#browser-touch) or [pointer](#browser-pointer) events.
// Note: pointer events will be preferred (if available), and processed for all `touch*` listeners.
var touch = !window.L_NO_TOUCH && (touchNative || pointer);
// @property mobileOpera: Boolean; `true` for the Opera browser in a mobile device.
var mobileOpera = mobile && opera;
// @property mobileGecko: Boolean
// `true` for gecko-based browsers running in a mobile device.
var mobileGecko = mobile && gecko;
// @property retina: Boolean
// `true` for browsers on a high-resolution "retina" screen or on any screen when browser's display zoom is more than 100%.
var retina = (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1;
// @property passiveEvents: Boolean
// `true` for browsers that support passive events.
var passiveEvents = (function () {
var supportsPassiveOption = false;
try {
var opts = Object.defineProperty({}, 'passive', {
get: function () { // eslint-disable-line getter-return
supportsPassiveOption = true;
}
});
window.addEventListener('testPassiveEventSupport', Util.falseFn, opts);
window.removeEventListener('testPassiveEventSupport', Util.falseFn, opts);
} catch (e) {
// Errors can safely be ignored since this is only a browser support test.
}
return supportsPassiveOption;
}());
// @property canvas: Boolean
// `true` when the browser supports [`<canvas>`](https://developer.mozilla.org/docs/Web/API/Canvas_API).
var canvas = (function () {
return !!document.createElement('canvas').getContext;
}());
// @property svg: Boolean
// `true` when the browser supports [SVG](https://developer.mozilla.org/docs/Web/SVG).
var svg = !!(document.createElementNS && svgCreate('svg').createSVGRect);
var inlineSvg = !!svg && (function () {
var div = document.createElement('div');
div.innerHTML = '<svg/>';
return (div.firstChild && div.firstChild.namespaceURI) === 'http://www.w3.org/2000/svg';
})();
// @property vml: Boolean
// `true` if the browser supports [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language).
var vml = !svg && (function () {
try {
var div = document.createElement('div');
div.innerHTML = '<v:shape adj="1"/>';
var shape = div.firstChild;
shape.style.behavior = 'url(#default#VML)';
return shape && (typeof shape.adj === 'object');
} catch (e) {
return false;
}
}());
// @property mac: Boolean; `true` when the browser is running in a Mac platform
var mac = navigator.platform.indexOf('Mac') === 0;
// @property mac: Boolean; `true` when the browser is running in a Linux platform
var linux = navigator.platform.indexOf('Linux') === 0;
function userAgentContains(str) {
return navigator.userAgent.toLowerCase().indexOf(str) >= 0;
}
export default {
ie: ie,
ielt9: ielt9,
edge: edge,
webkit: webkit,
android: android,
android23: android23,
androidStock: androidStock,
opera: opera,
chrome: chrome,
gecko: gecko,
safari: safari,
phantom: phantom,
opera12: opera12,
win: win,
ie3d: ie3d,
webkit3d: webkit3d,
gecko3d: gecko3d,
any3d: any3d,
mobile: mobile,
mobileWebkit: mobileWebkit,
mobileWebkit3d: mobileWebkit3d,
msPointer: msPointer,
pointer: pointer,
touch: touch,
touchNative: touchNative,
mobileOpera: mobileOpera,
mobileGecko: mobileGecko,
retina: retina,
passiveEvents: passiveEvents,
canvas: canvas,
svg: svg,
vml: vml,
inlineSvg: inlineSvg,
mac: mac,
linux: linux
};

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import * as Util from './Util';
// @class Class
// @aka L.Class
// @section
// @uninheritable
// Thanks to John Resig and Dean Edwards for inspiration!
export function Class() {}
Class.extend = function (props) {
// @function extend(props: Object): Function
// [Extends the current class](#class-inheritance) given the properties to be included.
// Returns a Javascript function that is a class constructor (to be called with `new`).
var NewClass = function () {
Util.setOptions(this);
// call the constructor
if (this.initialize) {
this.initialize.apply(this, arguments);
}
// call all constructor hooks
this.callInitHooks();
};
var parentProto = NewClass.__super__ = this.prototype;
var proto = Util.create(parentProto);
proto.constructor = NewClass;
NewClass.prototype = proto;
// inherit parent's statics
for (var i in this) {
if (Object.prototype.hasOwnProperty.call(this, i) && i !== 'prototype' && i !== '__super__') {
NewClass[i] = this[i];
}
}
// mix static properties into the class
if (props.statics) {
Util.extend(NewClass, props.statics);
}
// mix includes into the prototype
if (props.includes) {
checkDeprecatedMixinEvents(props.includes);
Util.extend.apply(null, [proto].concat(props.includes));
}
// mix given properties into the prototype
Util.extend(proto, props);
delete proto.statics;
delete proto.includes;
// merge options
if (proto.options) {
proto.options = parentProto.options ? Util.create(parentProto.options) : {};
Util.extend(proto.options, props.options);
}
proto._initHooks = [];
// add method for calling all hooks
proto.callInitHooks = function () {
if (this._initHooksCalled) { return; }
if (parentProto.callInitHooks) {
parentProto.callInitHooks.call(this);
}
this._initHooksCalled = true;
for (var i = 0, len = proto._initHooks.length; i < len; i++) {
proto._initHooks[i].call(this);
}
};
return NewClass;
};
// @function include(properties: Object): this
// [Includes a mixin](#class-includes) into the current class.
Class.include = function (props) {
var parentOptions = this.prototype.options;
Util.extend(this.prototype, props);
if (props.options) {
this.prototype.options = parentOptions;
this.mergeOptions(props.options);
}
return this;
};
// @function mergeOptions(options: Object): this
// [Merges `options`](#class-options) into the defaults of the class.
Class.mergeOptions = function (options) {
Util.extend(this.prototype.options, options);
return this;
};
// @function addInitHook(fn: Function): this
// Adds a [constructor hook](#class-constructor-hooks) to the class.
Class.addInitHook = function (fn) { // (Function) || (String, args...)
var args = Array.prototype.slice.call(arguments, 1);
var init = typeof fn === 'function' ? fn : function () {
this[fn].apply(this, args);
};
this.prototype._initHooks = this.prototype._initHooks || [];
this.prototype._initHooks.push(init);
return this;
};
function checkDeprecatedMixinEvents(includes) {
/* global L: true */
if (typeof L === 'undefined' || !L || !L.Mixin) { return; }
includes = Util.isArray(includes) ? includes : [includes];
for (var i = 0; i < includes.length; i++) {
if (includes[i] === L.Mixin.Events) {
console.warn('Deprecated include of L.Mixin.Events: ' +
'this property will be removed in future releases, ' +
'please inherit from L.Evented instead.', new Error().stack);
}
}
}

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@class Class
@aka L.Class
L.Class powers the OOP facilities of Leaflet and is used to create almost all of the Leaflet classes documented here.
In addition to implementing a simple classical inheritance model, it introduces several special properties for convenient code organization — options, includes and statics.
@example
```js
var MyClass = L.Class.extend({
initialize: function (greeter) {
this.greeter = greeter;
// class constructor
},
greet: function (name) {
alert(this.greeter + ', ' + name)
}
});
// create instance of MyClass, passing "Hello" to the constructor
var a = new MyClass("Hello");
// call greet method, alerting "Hello, World"
a.greet("World");
```
@section Class Factories
@example
You may have noticed that Leaflet objects are created without using
the `new` keyword. This is achieved by complementing each class with a
lowercase factory method:
```js
new L.Map('map'); // becomes:
L.map('map');
```
The factories are implemented very easily, and you can do this for your own classes:
```js
L.map = function (id, options) {
return new L.Map(id, options);
};
```
@section Inheritance
@example
You use L.Class.extend to define new classes, but you can use the same method on any class to inherit from it:
```js
var MyChildClass = MyClass.extend({
// ... new properties and methods
});
```
This will create a class that inherits all methods and properties of the parent class (through a proper prototype chain), adding or overriding the ones you pass to extend. It will also properly react to instanceof:
```js
var a = new MyChildClass();
a instanceof MyChildClass; // true
a instanceof MyClass; // true
```
You can call parent methods (including constructor) from corresponding child ones (as you do with super calls in other languages) by accessing parent class prototype and using JavaScript's call or apply:
```
var MyChildClass = MyClass.extend({
initialize: function () {
MyClass.prototype.initialize.call(this, "Yo");
},
greet: function (name) {
MyClass.prototype.greet.call(this, 'bro ' + name + '!');
}
});
var a = new MyChildClass();
a.greet('Jason'); // alerts "Yo, bro Jason!"
```
@section Options
@example
`options` is a special property that unlike other objects that you pass
to `extend` will be merged with the parent one instead of overriding it
completely, which makes managing configuration of objects and default
values convenient:
```js
var MyClass = L.Class.extend({
options: {
myOption1: 'foo',
myOption2: 'bar'
}
});
var MyChildClass = MyClass.extend({
options: {
myOption1: 'baz',
myOption3: 5
}
});
var a = new MyChildClass();
a.options.myOption1; // 'baz'
a.options.myOption2; // 'bar'
a.options.myOption3; // 5
```
There's also [`L.Util.setOptions`](#util-setoptions), a method for
conveniently merging options passed to constructor with the defaults
defines in the class:
```js
var MyClass = L.Class.extend({
options: {
foo: 'bar',
bla: 5
},
initialize: function (options) {
L.Util.setOptions(this, options);
...
}
});
var a = new MyClass({bla: 10});
a.options; // {foo: 'bar', bla: 10}
```
Note that the options object allows any keys, not just
the options defined by the class and its base classes.
This means you can use the options object to store
application specific information, as long as you avoid
keys that are already used by the class in question.
@section Includes
@example
`includes` is a special class property that merges all specified objects into the class (such objects are called mixins).
```js
var MyMixin = {
foo: function () { ... },
bar: 5
};
var MyClass = L.Class.extend({
includes: MyMixin
});
var a = new MyClass();
a.foo();
```
You can also do such includes in runtime with the `include` method:
```js
MyClass.include(MyMixin);
```
`statics` is just a convenience property that injects specified object properties as the static properties of the class, useful for defining constants:
```js
var MyClass = L.Class.extend({
statics: {
FOO: 'bar',
BLA: 5
}
});
MyClass.FOO; // 'bar'
```
@section Constructor hooks
@example
If you're a plugin developer, you often need to add additional initialization code to existing classes (e.g. editing hooks for `L.Polyline`). Leaflet comes with a way to do it easily using the `addInitHook` method:
```js
MyClass.addInitHook(function () {
// ... do something in constructor additionally
// e.g. add event listeners, set custom properties etc.
});
```
You can also use the following shortcut when you just need to make one additional method call:
```js
MyClass.addInitHook('methodName', arg1, arg2, …);
```

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import {Class} from './Class';
import * as Util from './Util';
/*
* @class Evented
* @aka L.Evented
* @inherits Class
*
* A set of methods shared between event-powered classes (like `Map` and `Marker`). Generally, events allow you to execute some function when something happens with an object (e.g. the user clicks on the map, causing the map to fire `'click'` event).
*
* @example
*
* ```js
* map.on('click', function(e) {
* alert(e.latlng);
* } );
* ```
*
* Leaflet deals with event listeners by reference, so if you want to add a listener and then remove it, define it as a function:
*
* ```js
* function onClick(e) { ... }
*
* map.on('click', onClick);
* map.off('click', onClick);
* ```
*/
export var Events = {
/* @method on(type: String, fn: Function, context?: Object): this
* Adds a listener function (`fn`) to a particular event type of the object. You can optionally specify the context of the listener (object the this keyword will point to). You can also pass several space-separated types (e.g. `'click dblclick'`).
*
* @alternative
* @method on(eventMap: Object): this
* Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
*/
on: function (types, fn, context) {
// types can be a map of types/handlers
if (typeof types === 'object') {
for (var type in types) {
// we don't process space-separated events here for performance;
// it's a hot path since Layer uses the on(obj) syntax
this._on(type, types[type], fn);
}
} else {
// types can be a string of space-separated words
types = Util.splitWords(types);
for (var i = 0, len = types.length; i < len; i++) {
this._on(types[i], fn, context);
}
}
return this;
},
/* @method off(type: String, fn?: Function, context?: Object): this
* Removes a previously added listener function. If no function is specified, it will remove all the listeners of that particular event from the object. Note that if you passed a custom context to `on`, you must pass the same context to `off` in order to remove the listener.
*
* @alternative
* @method off(eventMap: Object): this
* Removes a set of type/listener pairs.
*
* @alternative
* @method off: this
* Removes all listeners to all events on the object. This includes implicitly attached events.
*/
off: function (types, fn, context) {
if (!arguments.length) {
// clear all listeners if called without arguments
delete this._events;
} else if (typeof types === 'object') {
for (var type in types) {
this._off(type, types[type], fn);
}
} else {
types = Util.splitWords(types);
var removeAll = arguments.length === 1;
for (var i = 0, len = types.length; i < len; i++) {
if (removeAll) {
this._off(types[i]);
} else {
this._off(types[i], fn, context);
}
}
}
return this;
},
// attach listener (without syntactic sugar now)
_on: function (type, fn, context, _once) {
if (typeof fn !== 'function') {
console.warn('wrong listener type: ' + typeof fn);
return;
}
// check if fn already there
if (this._listens(type, fn, context) !== false) {
return;
}
if (context === this) {
// Less memory footprint.
context = undefined;
}
var newListener = {fn: fn, ctx: context};
if (_once) {
newListener.once = true;
}
this._events = this._events || {};
this._events[type] = this._events[type] || [];
this._events[type].push(newListener);
},
_off: function (type, fn, context) {
var listeners,
i,
len;
if (!this._events) {
return;
}
listeners = this._events[type];
if (!listeners) {
return;
}
if (arguments.length === 1) { // remove all
if (this._firingCount) {
// Set all removed listeners to noop
// so they are not called if remove happens in fire
for (i = 0, len = listeners.length; i < len; i++) {
listeners[i].fn = Util.falseFn;
}
}
// clear all listeners for a type if function isn't specified
delete this._events[type];
return;
}
if (typeof fn !== 'function') {
console.warn('wrong listener type: ' + typeof fn);
return;
}
// find fn and remove it
var index = this._listens(type, fn, context);
if (index !== false) {
var listener = listeners[index];
if (this._firingCount) {
// set the removed listener to noop so that's not called if remove happens in fire
listener.fn = Util.falseFn;
/* copy array in case events are being fired */
this._events[type] = listeners = listeners.slice();
}
listeners.splice(index, 1);
}
},
// @method fire(type: String, data?: Object, propagate?: Boolean): this
// Fires an event of the specified type. You can optionally provide a data
// object — the first argument of the listener function will contain its
// properties. The event can optionally be propagated to event parents.
fire: function (type, data, propagate) {
if (!this.listens(type, propagate)) { return this; }
var event = Util.extend({}, data, {
type: type,
target: this,
sourceTarget: data && data.sourceTarget || this
});
if (this._events) {
var listeners = this._events[type];
if (listeners) {
this._firingCount = (this._firingCount + 1) || 1;
for (var i = 0, len = listeners.length; i < len; i++) {
var l = listeners[i];
// off overwrites l.fn, so we need to copy fn to a var
var fn = l.fn;
if (l.once) {
this.off(type, fn, l.ctx);
}
fn.call(l.ctx || this, event);
}
this._firingCount--;
}
}
if (propagate) {
// propagate the event to parents (set with addEventParent)
this._propagateEvent(event);
}
return this;
},
// @method listens(type: String, propagate?: Boolean): Boolean
// @method listens(type: String, fn: Function, context?: Object, propagate?: Boolean): Boolean
// Returns `true` if a particular event type has any listeners attached to it.
// The verification can optionally be propagated, it will return `true` if parents have the listener attached to it.
listens: function (type, fn, context, propagate) {
if (typeof type !== 'string') {
console.warn('"string" type argument expected');
}
// we don't overwrite the input `fn` value, because we need to use it for propagation
var _fn = fn;
if (typeof fn !== 'function') {
propagate = !!fn;
_fn = undefined;
context = undefined;
}
var listeners = this._events && this._events[type];
if (listeners && listeners.length) {
if (this._listens(type, _fn, context) !== false) {
return true;
}
}
if (propagate) {
// also check parents for listeners if event propagates
for (var id in this._eventParents) {
if (this._eventParents[id].listens(type, fn, context, propagate)) { return true; }
}
}
return false;
},
// returns the index (number) or false
_listens: function (type, fn, context) {
if (!this._events) {
return false;
}
var listeners = this._events[type] || [];
if (!fn) {
return !!listeners.length;
}
if (context === this) {
// Less memory footprint.
context = undefined;
}
for (var i = 0, len = listeners.length; i < len; i++) {
if (listeners[i].fn === fn && listeners[i].ctx === context) {
return i;
}
}
return false;
},
// @method once(…): this
// Behaves as [`on(…)`](#evented-on), except the listener will only get fired once and then removed.
once: function (types, fn, context) {
// types can be a map of types/handlers
if (typeof types === 'object') {
for (var type in types) {
// we don't process space-separated events here for performance;
// it's a hot path since Layer uses the on(obj) syntax
this._on(type, types[type], fn, true);
}
} else {
// types can be a string of space-separated words
types = Util.splitWords(types);
for (var i = 0, len = types.length; i < len; i++) {
this._on(types[i], fn, context, true);
}
}
return this;
},
// @method addEventParent(obj: Evented): this
// Adds an event parent - an `Evented` that will receive propagated events
addEventParent: function (obj) {
this._eventParents = this._eventParents || {};
this._eventParents[Util.stamp(obj)] = obj;
return this;
},
// @method removeEventParent(obj: Evented): this
// Removes an event parent, so it will stop receiving propagated events
removeEventParent: function (obj) {
if (this._eventParents) {
delete this._eventParents[Util.stamp(obj)];
}
return this;
},
_propagateEvent: function (e) {
for (var id in this._eventParents) {
this._eventParents[id].fire(e.type, Util.extend({
layer: e.target,
propagatedFrom: e.target
}, e), true);
}
}
};
// aliases; we should ditch those eventually
// @method addEventListener(…): this
// Alias to [`on(…)`](#evented-on)
Events.addEventListener = Events.on;
// @method removeEventListener(…): this
// Alias to [`off(…)`](#evented-off)
// @method clearAllEventListeners(…): this
// Alias to [`off()`](#evented-off)
Events.removeEventListener = Events.clearAllEventListeners = Events.off;
// @method addOneTimeEventListener(…): this
// Alias to [`once(…)`](#evented-once)
Events.addOneTimeEventListener = Events.once;
// @method fireEvent(…): this
// Alias to [`fire(…)`](#evented-fire)
Events.fireEvent = Events.fire;
// @method hasEventListeners(…): Boolean
// Alias to [`listens(…)`](#evented-listens)
Events.hasEventListeners = Events.listens;
export var Evented = Class.extend(Events);

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@namespace Event objects
Whenever a class inheriting from `Evented` fires an event, a listener function
will be called with an event argument, which is a plain object containing
information about the event. For example:
```js
map.on('click', function(ev) {
alert(ev.latlng); // ev is an event object (MouseEvent in this case)
});
```
The information available depends on the event type:
@miniclass Event (Event objects)
@section
The base event object. All other event objects contain these properties too.
@property type: String
The event type (e.g. `'click'`).
@property target: Object
The object that fired the event. For propagated events, the last object in
the propagation chain that fired the event.
@property sourceTarget: Object
The object that originally fired the event. For non-propagated events, this will
be the same as the `target`.
@property propagatedFrom: Object
For propagated events, the last object that propagated the event to its
event parent.
@property layer: Object
**Deprecated.** The same as `propagatedFrom`.
@miniclass KeyboardEvent (Event objects)
@inherits Event
@property originalEvent: DOMEvent
The original [DOM `KeyboardEvent`](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent) that triggered this Leaflet event.
@miniclass MouseEvent (Event objects)
@inherits Event
@property latlng: LatLng
The geographical point where the mouse event occurred.
@property layerPoint: Point
Pixel coordinates of the point where the mouse event occurred relative to the map layer.
@property containerPoint: Point
Pixel coordinates of the point where the mouse event occurred relative to the map сontainer.
@property originalEvent: DOMEvent
The original [DOM `MouseEvent`](https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent) or [DOM `TouchEvent`](https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent) that triggered this Leaflet event.
@miniclass LocationEvent (Event objects)
@inherits Event
@property latlng: LatLng
Detected geographical location of the user.
@property bounds: LatLngBounds
Geographical bounds of the area user is located in (with respect to the accuracy of location).
@property accuracy: Number
Accuracy of location in meters.
@property altitude: Number
Height of the position above the WGS84 ellipsoid in meters.
@property altitudeAccuracy: Number
Accuracy of altitude in meters.
@property heading: Number
The direction of travel in degrees counting clockwise from true North.
@property speed: Number
Current velocity in meters per second.
@property timestamp: Number
The time when the position was acquired.
@miniclass ErrorEvent (Event objects)
@inherits Event
@property message: String
Error message.
@property code: Number
Error code (if applicable).
@miniclass LayerEvent (Event objects)
@inherits Event
@property layer: Layer
The layer that was added or removed.
@miniclass LayersControlEvent (Event objects)
@inherits Event
@property layer: Layer
The layer that was added or removed.
@property name: String
The name of the layer that was added or removed.
@miniclass TileEvent (Event objects)
@inherits Event
@property tile: HTMLElement
The tile element (image).
@property coords: Point
Point object with the tile's `x`, `y`, and `z` (zoom level) coordinates.
@miniclass TileErrorEvent (Event objects)
@inherits Event
@property tile: HTMLElement
The tile element (image).
@property coords: Point
Point object with the tile's `x`, `y`, and `z` (zoom level) coordinates.
@property error: *
Error passed to the tile's `done()` callback.
@miniclass ResizeEvent (Event objects)
@inherits Event
@property oldSize: Point
The old size before resize event.
@property newSize: Point
The new size after the resize event.
@miniclass GeoJSONEvent (Event objects)
@inherits Event
@property layer: Layer
The layer for the GeoJSON feature that is being added to the map.
@property properties: Object
GeoJSON properties of the feature.
@property geometryType: String
GeoJSON geometry type of the feature.
@property id: String
GeoJSON ID of the feature (if present).
@miniclass PopupEvent (Event objects)
@inherits Event
@property popup: Popup
The popup that was opened or closed.
@miniclass TooltipEvent (Event objects)
@inherits Event
@property tooltip: Tooltip
The tooltip that was opened or closed.
@miniclass DragEndEvent (Event objects)
@inherits Event
@property distance: Number
The distance in pixels the draggable element was moved by.
@miniclass ZoomAnimEvent (Event objects)
@inherits Event
@property center: LatLng; The current center of the map
@property zoom: Number; The current zoom level of the map
@property noUpdate: Boolean; Whether layers should update their contents due to this event

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import {Class} from './Class';
/*
L.Handler is a base class for handler classes that are used internally to inject
interaction features like dragging to classes like Map and Marker.
*/
// @class Handler
// @aka L.Handler
// Abstract class for map interaction handlers
export var Handler = Class.extend({
initialize: function (map) {
this._map = map;
},
// @method enable(): this
// Enables the handler
enable: function () {
if (this._enabled) { return this; }
this._enabled = true;
this.addHooks();
return this;
},
// @method disable(): this
// Disables the handler
disable: function () {
if (!this._enabled) { return this; }
this._enabled = false;
this.removeHooks();
return this;
},
// @method enabled(): Boolean
// Returns `true` if the handler is enabled
enabled: function () {
return !!this._enabled;
}
// @section Extension methods
// Classes inheriting from `Handler` must implement the two following methods:
// @method addHooks()
// Called when the handler is enabled, should add event hooks.
// @method removeHooks()
// Called when the handler is disabled, should remove the event hooks added previously.
});
// @section There is static function which can be called without instantiating L.Handler:
// @function addTo(map: Map, name: String): this
// Adds a new Handler to the given map with the given name.
Handler.addTo = function (map, name) {
map.addHandler(name, this);
return this;
};

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/*
* @namespace Util
*
* Various utility functions, used by Leaflet internally.
*/
// @function extend(dest: Object, src?: Object): Object
// Merges the properties of the `src` object (or multiple objects) into `dest` object and returns the latter. Has an `L.extend` shortcut.
export function extend(dest) {
var i, j, len, src;
for (j = 1, len = arguments.length; j < len; j++) {
src = arguments[j];
for (i in src) {
dest[i] = src[i];
}
}
return dest;
}
// @function create(proto: Object, properties?: Object): Object
// Compatibility polyfill for [Object.create](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create)
export var create = Object.create || (function () {
function F() {}
return function (proto) {
F.prototype = proto;
return new F();
};
})();
// @function bind(fn: Function, …): Function
// Returns a new function bound to the arguments passed, like [Function.prototype.bind](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).
// Has a `L.bind()` shortcut.
export function bind(fn, obj) {
var slice = Array.prototype.slice;
if (fn.bind) {
return fn.bind.apply(fn, slice.call(arguments, 1));
}
var args = slice.call(arguments, 2);
return function () {
return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments);
};
}
// @property lastId: Number
// Last unique ID used by [`stamp()`](#util-stamp)
export var lastId = 0;
// @function stamp(obj: Object): Number
// Returns the unique ID of an object, assigning it one if it doesn't have it.
export function stamp(obj) {
if (!('_leaflet_id' in obj)) {
obj['_leaflet_id'] = ++lastId;
}
return obj._leaflet_id;
}
// @function throttle(fn: Function, time: Number, context: Object): Function
// Returns a function which executes function `fn` with the given scope `context`
// (so that the `this` keyword refers to `context` inside `fn`'s code). The function
// `fn` will be called no more than one time per given amount of `time`. The arguments
// received by the bound function will be any arguments passed when binding the
// function, followed by any arguments passed when invoking the bound function.
// Has an `L.throttle` shortcut.
export function throttle(fn, time, context) {
var lock, args, wrapperFn, later;
later = function () {
// reset lock and call if queued
lock = false;
if (args) {
wrapperFn.apply(context, args);
args = false;
}
};
wrapperFn = function () {
if (lock) {
// called too soon, queue to call later
args = arguments;
} else {
// call and lock until later
fn.apply(context, arguments);
setTimeout(later, time);
lock = true;
}
};
return wrapperFn;
}
// @function wrapNum(num: Number, range: Number[], includeMax?: Boolean): Number
// Returns the number `num` modulo `range` in such a way so it lies within
// `range[0]` and `range[1]`. The returned value will be always smaller than
// `range[1]` unless `includeMax` is set to `true`.
export function wrapNum(x, range, includeMax) {
var max = range[1],
min = range[0],
d = max - min;
return x === max && includeMax ? x : ((x - min) % d + d) % d + min;
}
// @function falseFn(): Function
// Returns a function which always returns `false`.
export function falseFn() { return false; }
// @function formatNum(num: Number, precision?: Number|false): Number
// Returns the number `num` rounded with specified `precision`.
// The default `precision` value is 6 decimal places.
// `false` can be passed to skip any processing (can be useful to avoid round-off errors).
export function formatNum(num, precision) {
if (precision === false) { return num; }
var pow = Math.pow(10, precision === undefined ? 6 : precision);
return Math.round(num * pow) / pow;
}
// @function trim(str: String): String
// Compatibility polyfill for [String.prototype.trim](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim)
export function trim(str) {
return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
}
// @function splitWords(str: String): String[]
// Trims and splits the string on whitespace and returns the array of parts.
export function splitWords(str) {
return trim(str).split(/\s+/);
}
// @function setOptions(obj: Object, options: Object): Object
// Merges the given properties to the `options` of the `obj` object, returning the resulting options. See `Class options`. Has an `L.setOptions` shortcut.
export function setOptions(obj, options) {
if (!Object.prototype.hasOwnProperty.call(obj, 'options')) {
obj.options = obj.options ? create(obj.options) : {};
}
for (var i in options) {
obj.options[i] = options[i];
}
return obj.options;
}
// @function getParamString(obj: Object, existingUrl?: String, uppercase?: Boolean): String
// Converts an object into a parameter URL string, e.g. `{a: "foo", b: "bar"}`
// translates to `'?a=foo&b=bar'`. If `existingUrl` is set, the parameters will
// be appended at the end. If `uppercase` is `true`, the parameter names will
// be uppercased (e.g. `'?A=foo&B=bar'`)
export function getParamString(obj, existingUrl, uppercase) {
var params = [];
for (var i in obj) {
params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
}
return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
}
var templateRe = /\{ *([\w_ -]+) *\}/g;
// @function template(str: String, data: Object): String
// Simple templating facility, accepts a template string of the form `'Hello {a}, {b}'`
// and a data object like `{a: 'foo', b: 'bar'}`, returns evaluated string
// `('Hello foo, bar')`. You can also specify functions instead of strings for
// data values — they will be evaluated passing `data` as an argument.
export function template(str, data) {
return str.replace(templateRe, function (str, key) {
var value = data[key];
if (value === undefined) {
throw new Error('No value provided for variable ' + str);
} else if (typeof value === 'function') {
value = value(data);
}
return value;
});
}
// @function isArray(obj): Boolean
// Compatibility polyfill for [Array.isArray](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray)
export var isArray = Array.isArray || function (obj) {
return (Object.prototype.toString.call(obj) === '[object Array]');
};
// @function indexOf(array: Array, el: Object): Number
// Compatibility polyfill for [Array.prototype.indexOf](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
export function indexOf(array, el) {
for (var i = 0; i < array.length; i++) {
if (array[i] === el) { return i; }
}
return -1;
}
// @property emptyImageUrl: String
// Data URI string containing a base64-encoded empty GIF image.
// Used as a hack to free memory from unused images on WebKit-powered
// mobile devices (by setting image `src` to this string).
export var emptyImageUrl = 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=';
// inspired by https://paulirish.com/2011/requestanimationframe-for-smart-animating/
function getPrefixed(name) {
return window['webkit' + name] || window['moz' + name] || window['ms' + name];
}
var lastTime = 0;
// fallback for IE 7-8
function timeoutDefer(fn) {
var time = +new Date(),
timeToCall = Math.max(0, 16 - (time - lastTime));
lastTime = time + timeToCall;
return window.setTimeout(fn, timeToCall);
}
export var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer;
export var cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') ||
getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); };
// @function requestAnimFrame(fn: Function, context?: Object, immediate?: Boolean): Number
// Schedules `fn` to be executed when the browser repaints. `fn` is bound to
// `context` if given. When `immediate` is set, `fn` is called immediately if
// the browser doesn't have native support for
// [`window.requestAnimationFrame`](https://developer.mozilla.org/docs/Web/API/window/requestAnimationFrame),
// otherwise it's delayed. Returns a request ID that can be used to cancel the request.
export function requestAnimFrame(fn, context, immediate) {
if (immediate && requestFn === timeoutDefer) {
fn.call(context);
} else {
return requestFn.call(window, bind(fn, context));
}
}
// @function cancelAnimFrame(id: Number): undefined
// Cancels a previous `requestAnimFrame`. See also [window.cancelAnimationFrame](https://developer.mozilla.org/docs/Web/API/window/cancelAnimationFrame).
export function cancelAnimFrame(id) {
if (id) {
cancelFn.call(window, id);
}
}

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import Browser from './Browser';
export {Browser};
export {Class} from './Class';
import {Evented} from './Events';
import {Events} from './Events';
export {Evented};
export var Mixin = {Events: Events};
export {Handler} from './Handler';
import * as Util from './Util';
export {Util};
export {extend, bind, stamp, setOptions} from './Util';

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import * as DomEvent from './DomEvent';
/*
* Extends the event handling code with double tap support for mobile browsers.
*
* Note: currently most browsers fire native dblclick, with only a few exceptions
* (see https://github.com/Leaflet/Leaflet/issues/7012#issuecomment-595087386)
*/
function makeDblclick(event) {
// in modern browsers `type` cannot be just overridden:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only
var newEvent = {},
prop, i;
for (i in event) {
prop = event[i];
newEvent[i] = prop && prop.bind ? prop.bind(event) : prop;
}
event = newEvent;
newEvent.type = 'dblclick';
newEvent.detail = 2;
newEvent.isTrusted = false;
newEvent._simulated = true; // for debug purposes
return newEvent;
}
var delay = 200;
export function addDoubleTapListener(obj, handler) {
// Most browsers handle double tap natively
obj.addEventListener('dblclick', handler);
// On some platforms the browser doesn't fire native dblclicks for touch events.
// It seems that in all such cases `detail` property of `click` event is always `1`.
// So here we rely on that fact to avoid excessive 'dblclick' simulation when not needed.
var last = 0,
detail;
function simDblclick(e) {
if (e.detail !== 1) {
detail = e.detail; // keep in sync to avoid false dblclick in some cases
return;
}
if (e.pointerType === 'mouse' ||
(e.sourceCapabilities && !e.sourceCapabilities.firesTouchEvents)) {
return;
}
// When clicking on an <input>, the browser generates a click on its
// <label> (and vice versa) triggering two clicks in quick succession.
// This ignores clicks on elements which are a label with a 'for'
// attribute (or children of such a label), but not children of
// a <input>.
var path = DomEvent.getPropagationPath(e);
if (path.some(function (el) {
return el instanceof HTMLLabelElement && el.attributes.for;
}) &&
!path.some(function (el) {
return (
el instanceof HTMLInputElement ||
el instanceof HTMLSelectElement
);
})
) {
return;
}
var now = Date.now();
if (now - last <= delay) {
detail++;
if (detail === 2) {
handler(makeDblclick(e));
}
} else {
detail = 1;
}
last = now;
}
obj.addEventListener('click', simDblclick);
return {
dblclick: handler,
simDblclick: simDblclick
};
}
export function removeDoubleTapListener(obj, handlers) {
obj.removeEventListener('dblclick', handlers.dblclick);
obj.removeEventListener('click', handlers.simDblclick);
}

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import * as DomEvent from './DomEvent';
import Browser from '../core/Browser';
import {falseFn} from '../core/Util';
/*
* Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
*/
var POINTER_DOWN = Browser.msPointer ? 'MSPointerDown' : 'pointerdown';
var POINTER_MOVE = Browser.msPointer ? 'MSPointerMove' : 'pointermove';
var POINTER_UP = Browser.msPointer ? 'MSPointerUp' : 'pointerup';
var POINTER_CANCEL = Browser.msPointer ? 'MSPointerCancel' : 'pointercancel';
var pEvent = {
touchstart : POINTER_DOWN,
touchmove : POINTER_MOVE,
touchend : POINTER_UP,
touchcancel : POINTER_CANCEL
};
var handle = {
touchstart : _onPointerStart,
touchmove : _handlePointer,
touchend : _handlePointer,
touchcancel : _handlePointer
};
var _pointers = {};
var _pointerDocListener = false;
// Provides a touch events wrapper for (ms)pointer events.
// ref https://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890
export function addPointerListener(obj, type, handler) {
if (type === 'touchstart') {
_addPointerDocListener();
}
if (!handle[type]) {
console.warn('wrong event specified:', type);
return falseFn;
}
handler = handle[type].bind(this, handler);
obj.addEventListener(pEvent[type], handler, false);
return handler;
}
export function removePointerListener(obj, type, handler) {
if (!pEvent[type]) {
console.warn('wrong event specified:', type);
return;
}
obj.removeEventListener(pEvent[type], handler, false);
}
function _globalPointerDown(e) {
_pointers[e.pointerId] = e;
}
function _globalPointerMove(e) {
if (_pointers[e.pointerId]) {
_pointers[e.pointerId] = e;
}
}
function _globalPointerUp(e) {
delete _pointers[e.pointerId];
}
function _addPointerDocListener() {
// need to keep track of what pointers and how many are active to provide e.touches emulation
if (!_pointerDocListener) {
// we listen document as any drags that end by moving the touch off the screen get fired there
document.addEventListener(POINTER_DOWN, _globalPointerDown, true);
document.addEventListener(POINTER_MOVE, _globalPointerMove, true);
document.addEventListener(POINTER_UP, _globalPointerUp, true);
document.addEventListener(POINTER_CANCEL, _globalPointerUp, true);
_pointerDocListener = true;
}
}
function _handlePointer(handler, e) {
if (e.pointerType === (e.MSPOINTER_TYPE_MOUSE || 'mouse')) { return; }
e.touches = [];
for (var i in _pointers) {
e.touches.push(_pointers[i]);
}
e.changedTouches = [e];
handler(e);
}
function _onPointerStart(handler, e) {
// IE10 specific: MsTouch needs preventDefault. See #2000
if (e.MSPOINTER_TYPE_TOUCH && e.pointerType === e.MSPOINTER_TYPE_TOUCH) {
DomEvent.preventDefault(e);
}
_handlePointer(handler, e);
}

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import {Point} from '../geometry/Point';
import * as Util from '../core/Util';
import Browser from '../core/Browser';
import {addPointerListener, removePointerListener} from './DomEvent.Pointer';
import {addDoubleTapListener, removeDoubleTapListener} from './DomEvent.DoubleTap';
import {getScale} from './DomUtil';
/*
* @namespace DomEvent
* Utility functions to work with the [DOM events](https://developer.mozilla.org/docs/Web/API/Event), used by Leaflet internally.
*/
// Inspired by John Resig, Dean Edwards and YUI addEvent implementations.
// @function on(el: HTMLElement, types: String, fn: Function, context?: Object): this
// Adds a listener function (`fn`) to a particular DOM event type of the
// element `el`. You can optionally specify the context of the listener
// (object the `this` keyword will point to). You can also pass several
// space-separated types (e.g. `'click dblclick'`).
// @alternative
// @function on(el: HTMLElement, eventMap: Object, context?: Object): this
// Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
export function on(obj, types, fn, context) {
if (types && typeof types === 'object') {
for (var type in types) {
addOne(obj, type, types[type], fn);
}
} else {
types = Util.splitWords(types);
for (var i = 0, len = types.length; i < len; i++) {
addOne(obj, types[i], fn, context);
}
}
return this;
}
var eventsKey = '_leaflet_events';
// @function off(el: HTMLElement, types: String, fn: Function, context?: Object): this
// Removes a previously added listener function.
// Note that if you passed a custom context to on, you must pass the same
// context to `off` in order to remove the listener.
// @alternative
// @function off(el: HTMLElement, eventMap: Object, context?: Object): this
// Removes a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
// @alternative
// @function off(el: HTMLElement, types: String): this
// Removes all previously added listeners of given types.
// @alternative
// @function off(el: HTMLElement): this
// Removes all previously added listeners from given HTMLElement
export function off(obj, types, fn, context) {
if (arguments.length === 1) {
batchRemove(obj);
delete obj[eventsKey];
} else if (types && typeof types === 'object') {
for (var type in types) {
removeOne(obj, type, types[type], fn);
}
} else {
types = Util.splitWords(types);
if (arguments.length === 2) {
batchRemove(obj, function (type) {
return Util.indexOf(types, type) !== -1;
});
} else {
for (var i = 0, len = types.length; i < len; i++) {
removeOne(obj, types[i], fn, context);
}
}
}
return this;
}
function batchRemove(obj, filterFn) {
for (var id in obj[eventsKey]) {
var type = id.split(/\d/)[0];
if (!filterFn || filterFn(type)) {
removeOne(obj, type, null, null, id);
}
}
}
var mouseSubst = {
mouseenter: 'mouseover',
mouseleave: 'mouseout',
wheel: !('onwheel' in window) && 'mousewheel'
};
function addOne(obj, type, fn, context) {
var id = type + Util.stamp(fn) + (context ? '_' + Util.stamp(context) : '');
if (obj[eventsKey] && obj[eventsKey][id]) { return this; }
var handler = function (e) {
return fn.call(context || obj, e || window.event);
};
var originalHandler = handler;
if (!Browser.touchNative && Browser.pointer && type.indexOf('touch') === 0) {
// Needs DomEvent.Pointer.js
handler = addPointerListener(obj, type, handler);
} else if (Browser.touch && (type === 'dblclick')) {
handler = addDoubleTapListener(obj, handler);
} else if ('addEventListener' in obj) {
if (type === 'touchstart' || type === 'touchmove' || type === 'wheel' || type === 'mousewheel') {
obj.addEventListener(mouseSubst[type] || type, handler, Browser.passiveEvents ? {passive: false} : false);
} else if (type === 'mouseenter' || type === 'mouseleave') {
handler = function (e) {
e = e || window.event;
if (isExternalTarget(obj, e)) {
originalHandler(e);
}
};
obj.addEventListener(mouseSubst[type], handler, false);
} else {
obj.addEventListener(type, originalHandler, false);
}
} else {
obj.attachEvent('on' + type, handler);
}
obj[eventsKey] = obj[eventsKey] || {};
obj[eventsKey][id] = handler;
}
function removeOne(obj, type, fn, context, id) {
id = id || type + Util.stamp(fn) + (context ? '_' + Util.stamp(context) : '');
var handler = obj[eventsKey] && obj[eventsKey][id];
if (!handler) { return this; }
if (!Browser.touchNative && Browser.pointer && type.indexOf('touch') === 0) {
removePointerListener(obj, type, handler);
} else if (Browser.touch && (type === 'dblclick')) {
removeDoubleTapListener(obj, handler);
} else if ('removeEventListener' in obj) {
obj.removeEventListener(mouseSubst[type] || type, handler, false);
} else {
obj.detachEvent('on' + type, handler);
}
obj[eventsKey][id] = null;
}
// @function stopPropagation(ev: DOMEvent): this
// Stop the given event from propagation to parent elements. Used inside the listener functions:
// ```js
// L.DomEvent.on(div, 'click', function (ev) {
// L.DomEvent.stopPropagation(ev);
// });
// ```
export function stopPropagation(e) {
if (e.stopPropagation) {
e.stopPropagation();
} else if (e.originalEvent) { // In case of Leaflet event.
e.originalEvent._stopped = true;
} else {
e.cancelBubble = true;
}
return this;
}
// @function disableScrollPropagation(el: HTMLElement): this
// Adds `stopPropagation` to the element's `'wheel'` events (plus browser variants).
export function disableScrollPropagation(el) {
addOne(el, 'wheel', stopPropagation);
return this;
}
// @function disableClickPropagation(el: HTMLElement): this
// Adds `stopPropagation` to the element's `'click'`, `'dblclick'`, `'contextmenu'`,
// `'mousedown'` and `'touchstart'` events (plus browser variants).
export function disableClickPropagation(el) {
on(el, 'mousedown touchstart dblclick contextmenu', stopPropagation);
el['_leaflet_disable_click'] = true;
return this;
}
// @function preventDefault(ev: DOMEvent): this
// Prevents the default action of the DOM Event `ev` from happening (such as
// following a link in the href of the a element, or doing a POST request
// with page reload when a `<form>` is submitted).
// Use it inside listener functions.
export function preventDefault(e) {
if (e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
return this;
}
// @function stop(ev: DOMEvent): this
// Does `stopPropagation` and `preventDefault` at the same time.
export function stop(e) {
preventDefault(e);
stopPropagation(e);
return this;
}
// @function getPropagationPath(ev: DOMEvent): Array
// Compatibility polyfill for [`Event.composedPath()`](https://developer.mozilla.org/en-US/docs/Web/API/Event/composedPath).
// Returns an array containing the `HTMLElement`s that the given DOM event
// should propagate to (if not stopped).
export function getPropagationPath(ev) {
if (ev.composedPath) {
return ev.composedPath();
}
var path = [];
var el = ev.target;
while (el) {
path.push(el);
el = el.parentNode;
}
return path;
}
// @function getMousePosition(ev: DOMEvent, container?: HTMLElement): Point
// Gets normalized mouse position from a DOM event relative to the
// `container` (border excluded) or to the whole page if not specified.
export function getMousePosition(e, container) {
if (!container) {
return new Point(e.clientX, e.clientY);
}
var scale = getScale(container),
offset = scale.boundingClientRect; // left and top values are in page scale (like the event clientX/Y)
return new Point(
// offset.left/top values are in page scale (like clientX/Y),
// whereas clientLeft/Top (border width) values are the original values (before CSS scale applies).
(e.clientX - offset.left) / scale.x - container.clientLeft,
(e.clientY - offset.top) / scale.y - container.clientTop
);
}
// except , Safari and
// We need double the scroll pixels (see #7403 and #4538) for all Browsers
// except OSX (Mac) -> 3x, Chrome running on Linux 1x
var wheelPxFactor =
(Browser.linux && Browser.chrome) ? window.devicePixelRatio :
Browser.mac ? window.devicePixelRatio * 3 :
window.devicePixelRatio > 0 ? 2 * window.devicePixelRatio : 1;
// @function getWheelDelta(ev: DOMEvent): Number
// Gets normalized wheel delta from a wheel DOM event, in vertical
// pixels scrolled (negative if scrolling down).
// Events from pointing devices without precise scrolling are mapped to
// a best guess of 60 pixels.
export function getWheelDelta(e) {
return (Browser.edge) ? e.wheelDeltaY / 2 : // Don't trust window-geometry-based delta
(e.deltaY && e.deltaMode === 0) ? -e.deltaY / wheelPxFactor : // Pixels
(e.deltaY && e.deltaMode === 1) ? -e.deltaY * 20 : // Lines
(e.deltaY && e.deltaMode === 2) ? -e.deltaY * 60 : // Pages
(e.deltaX || e.deltaZ) ? 0 : // Skip horizontal/depth wheel events
e.wheelDelta ? (e.wheelDeltaY || e.wheelDelta) / 2 : // Legacy IE pixels
(e.detail && Math.abs(e.detail) < 32765) ? -e.detail * 20 : // Legacy Moz lines
e.detail ? e.detail / -32765 * 60 : // Legacy Moz pages
0;
}
// check if element really left/entered the event target (for mouseenter/mouseleave)
export function isExternalTarget(el, e) {
var related = e.relatedTarget;
if (!related) { return true; }
try {
while (related && (related !== el)) {
related = related.parentNode;
}
} catch (err) {
return false;
}
return (related !== el);
}
// @function addListener(…): this
// Alias to [`L.DomEvent.on`](#domevent-on)
export {on as addListener};
// @function removeListener(…): this
// Alias to [`L.DomEvent.off`](#domevent-off)
export {off as removeListener};

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import * as DomEvent from './DomEvent';
import * as Util from '../core/Util';
import {Point} from '../geometry/Point';
import Browser from '../core/Browser';
/*
* @namespace DomUtil
*
* Utility functions to work with the [DOM](https://developer.mozilla.org/docs/Web/API/Document_Object_Model)
* tree, used by Leaflet internally.
*
* Most functions expecting or returning a `HTMLElement` also work for
* SVG elements. The only difference is that classes refer to CSS classes
* in HTML and SVG classes in SVG.
*/
// @property TRANSFORM: String
// Vendor-prefixed transform style name (e.g. `'webkitTransform'` for WebKit).
export var TRANSFORM = testProp(
['transform', 'webkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
// webkitTransition comes first because some browser versions that drop vendor prefix don't do
// the same for the transitionend event, in particular the Android 4.1 stock browser
// @property TRANSITION: String
// Vendor-prefixed transition style name.
export var TRANSITION = testProp(
['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
// @property TRANSITION_END: String
// Vendor-prefixed transitionend event name.
export var TRANSITION_END =
TRANSITION === 'webkitTransition' || TRANSITION === 'OTransition' ? TRANSITION + 'End' : 'transitionend';
// @function get(id: String|HTMLElement): HTMLElement
// Returns an element given its DOM id, or returns the element itself
// if it was passed directly.
export function get(id) {
return typeof id === 'string' ? document.getElementById(id) : id;
}
// @function getStyle(el: HTMLElement, styleAttrib: String): String
// Returns the value for a certain style attribute on an element,
// including computed values or values set through CSS.
export function getStyle(el, style) {
var value = el.style[style] || (el.currentStyle && el.currentStyle[style]);
if ((!value || value === 'auto') && document.defaultView) {
var css = document.defaultView.getComputedStyle(el, null);
value = css ? css[style] : null;
}
return value === 'auto' ? null : value;
}
// @function create(tagName: String, className?: String, container?: HTMLElement): HTMLElement
// Creates an HTML element with `tagName`, sets its class to `className`, and optionally appends it to `container` element.
export function create(tagName, className, container) {
var el = document.createElement(tagName);
el.className = className || '';
if (container) {
container.appendChild(el);
}
return el;
}
// @function remove(el: HTMLElement)
// Removes `el` from its parent element
export function remove(el) {
var parent = el.parentNode;
if (parent) {
parent.removeChild(el);
}
}
// @function empty(el: HTMLElement)
// Removes all of `el`'s children elements from `el`
export function empty(el) {
while (el.firstChild) {
el.removeChild(el.firstChild);
}
}
// @function toFront(el: HTMLElement)
// Makes `el` the last child of its parent, so it renders in front of the other children.
export function toFront(el) {
var parent = el.parentNode;
if (parent && parent.lastChild !== el) {
parent.appendChild(el);
}
}
// @function toBack(el: HTMLElement)
// Makes `el` the first child of its parent, so it renders behind the other children.
export function toBack(el) {
var parent = el.parentNode;
if (parent && parent.firstChild !== el) {
parent.insertBefore(el, parent.firstChild);
}
}
// @function hasClass(el: HTMLElement, name: String): Boolean
// Returns `true` if the element's class attribute contains `name`.
export function hasClass(el, name) {
if (el.classList !== undefined) {
return el.classList.contains(name);
}
var className = getClass(el);
return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
}
// @function addClass(el: HTMLElement, name: String)
// Adds `name` to the element's class attribute.
export function addClass(el, name) {
if (el.classList !== undefined) {
var classes = Util.splitWords(name);
for (var i = 0, len = classes.length; i < len; i++) {
el.classList.add(classes[i]);
}
} else if (!hasClass(el, name)) {
var className = getClass(el);
setClass(el, (className ? className + ' ' : '') + name);
}
}
// @function removeClass(el: HTMLElement, name: String)
// Removes `name` from the element's class attribute.
export function removeClass(el, name) {
if (el.classList !== undefined) {
el.classList.remove(name);
} else {
setClass(el, Util.trim((' ' + getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
}
}
// @function setClass(el: HTMLElement, name: String)
// Sets the element's class.
export function setClass(el, name) {
if (el.className.baseVal === undefined) {
el.className = name;
} else {
// in case of SVG element
el.className.baseVal = name;
}
}
// @function getClass(el: HTMLElement): String
// Returns the element's class.
export function getClass(el) {
// Check if the element is an SVGElementInstance and use the correspondingElement instead
// (Required for linked SVG elements in IE11.)
if (el.correspondingElement) {
el = el.correspondingElement;
}
return el.className.baseVal === undefined ? el.className : el.className.baseVal;
}
// @function setOpacity(el: HTMLElement, opacity: Number)
// Set the opacity of an element (including old IE support).
// `opacity` must be a number from `0` to `1`.
export function setOpacity(el, value) {
if ('opacity' in el.style) {
el.style.opacity = value;
} else if ('filter' in el.style) {
_setOpacityIE(el, value);
}
}
function _setOpacityIE(el, value) {
var filter = false,
filterName = 'DXImageTransform.Microsoft.Alpha';
// filters collection throws an error if we try to retrieve a filter that doesn't exist
try {
filter = el.filters.item(filterName);
} catch (e) {
// don't set opacity to 1 if we haven't already set an opacity,
// it isn't needed and breaks transparent pngs.
if (value === 1) { return; }
}
value = Math.round(value * 100);
if (filter) {
filter.Enabled = (value !== 100);
filter.Opacity = value;
} else {
el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
}
}
// @function testProp(props: String[]): String|false
// Goes through the array of style names and returns the first name
// that is a valid style name for an element. If no such name is found,
// it returns false. Useful for vendor-prefixed styles like `transform`.
export function testProp(props) {
var style = document.documentElement.style;
for (var i = 0; i < props.length; i++) {
if (props[i] in style) {
return props[i];
}
}
return false;
}
// @function setTransform(el: HTMLElement, offset: Point, scale?: Number)
// Resets the 3D CSS transform of `el` so it is translated by `offset` pixels
// and optionally scaled by `scale`. Does not have an effect if the
// browser doesn't support 3D CSS transforms.
export function setTransform(el, offset, scale) {
var pos = offset || new Point(0, 0);
el.style[TRANSFORM] =
(Browser.ie3d ?
'translate(' + pos.x + 'px,' + pos.y + 'px)' :
'translate3d(' + pos.x + 'px,' + pos.y + 'px,0)') +
(scale ? ' scale(' + scale + ')' : '');
}
// @function setPosition(el: HTMLElement, position: Point)
// Sets the position of `el` to coordinates specified by `position`,
// using CSS translate or top/left positioning depending on the browser
// (used by Leaflet internally to position its layers).
export function setPosition(el, point) {
/*eslint-disable */
el._leaflet_pos = point;
/* eslint-enable */
if (Browser.any3d) {
setTransform(el, point);
} else {
el.style.left = point.x + 'px';
el.style.top = point.y + 'px';
}
}
// @function getPosition(el: HTMLElement): Point
// Returns the coordinates of an element previously positioned with setPosition.
export function getPosition(el) {
// this method is only used for elements previously positioned using setPosition,
// so it's safe to cache the position for performance
return el._leaflet_pos || new Point(0, 0);
}
// @function disableTextSelection()
// Prevents the user from generating `selectstart` DOM events, usually generated
// when the user drags the mouse through a page with text. Used internally
// by Leaflet to override the behaviour of any click-and-drag interaction on
// the map. Affects drag interactions on the whole document.
// @function enableTextSelection()
// Cancels the effects of a previous [`L.DomUtil.disableTextSelection`](#domutil-disabletextselection).
export var disableTextSelection;
export var enableTextSelection;
var _userSelect;
if ('onselectstart' in document) {
disableTextSelection = function () {
DomEvent.on(window, 'selectstart', DomEvent.preventDefault);
};
enableTextSelection = function () {
DomEvent.off(window, 'selectstart', DomEvent.preventDefault);
};
} else {
var userSelectProperty = testProp(
['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
disableTextSelection = function () {
if (userSelectProperty) {
var style = document.documentElement.style;
_userSelect = style[userSelectProperty];
style[userSelectProperty] = 'none';
}
};
enableTextSelection = function () {
if (userSelectProperty) {
document.documentElement.style[userSelectProperty] = _userSelect;
_userSelect = undefined;
}
};
}
// @function disableImageDrag()
// As [`L.DomUtil.disableTextSelection`](#domutil-disabletextselection), but
// for `dragstart` DOM events, usually generated when the user drags an image.
export function disableImageDrag() {
DomEvent.on(window, 'dragstart', DomEvent.preventDefault);
}
// @function enableImageDrag()
// Cancels the effects of a previous [`L.DomUtil.disableImageDrag`](#domutil-disabletextselection).
export function enableImageDrag() {
DomEvent.off(window, 'dragstart', DomEvent.preventDefault);
}
var _outlineElement, _outlineStyle;
// @function preventOutline(el: HTMLElement)
// Makes the [outline](https://developer.mozilla.org/docs/Web/CSS/outline)
// of the element `el` invisible. Used internally by Leaflet to prevent
// focusable elements from displaying an outline when the user performs a
// drag interaction on them.
export function preventOutline(element) {
while (element.tabIndex === -1) {
element = element.parentNode;
}
if (!element.style) { return; }
restoreOutline();
_outlineElement = element;
_outlineStyle = element.style.outlineStyle;
element.style.outlineStyle = 'none';
DomEvent.on(window, 'keydown', restoreOutline);
}
// @function restoreOutline()
// Cancels the effects of a previous [`L.DomUtil.preventOutline`]().
export function restoreOutline() {
if (!_outlineElement) { return; }
_outlineElement.style.outlineStyle = _outlineStyle;
_outlineElement = undefined;
_outlineStyle = undefined;
DomEvent.off(window, 'keydown', restoreOutline);
}
// @function getSizedParentNode(el: HTMLElement): HTMLElement
// Finds the closest parent node which size (width and height) is not null.
export function getSizedParentNode(element) {
do {
element = element.parentNode;
} while ((!element.offsetWidth || !element.offsetHeight) && element !== document.body);
return element;
}
// @function getScale(el: HTMLElement): Object
// Computes the CSS scale currently applied on the element.
// Returns an object with `x` and `y` members as horizontal and vertical scales respectively,
// and `boundingClientRect` as the result of [`getBoundingClientRect()`](https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect).
export function getScale(element) {
var rect = element.getBoundingClientRect(); // Read-only in old browsers.
return {
x: rect.width / element.offsetWidth || 1,
y: rect.height / element.offsetHeight || 1,
boundingClientRect: rect
};
}

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import {Evented} from '../core/Events';
import Browser from '../core/Browser';
import * as DomEvent from './DomEvent';
import * as DomUtil from './DomUtil';
import * as Util from '../core/Util';
import {Point} from '../geometry/Point';
/*
* @class Draggable
* @aka L.Draggable
* @inherits Evented
*
* A class for making DOM elements draggable (including touch support).
* Used internally for map and marker dragging. Only works for elements
* that were positioned with [`L.DomUtil.setPosition`](#domutil-setposition).
*
* @example
* ```js
* var draggable = new L.Draggable(elementToDrag);
* draggable.enable();
* ```
*/
var START = Browser.touch ? 'touchstart mousedown' : 'mousedown';
export var Draggable = Evented.extend({
options: {
// @section
// @aka Draggable options
// @option clickTolerance: Number = 3
// The max number of pixels a user can shift the mouse pointer during a click
// for it to be considered a valid click (as opposed to a mouse drag).
clickTolerance: 3
},
// @constructor L.Draggable(el: HTMLElement, dragHandle?: HTMLElement, preventOutline?: Boolean, options?: Draggable options)
// Creates a `Draggable` object for moving `el` when you start dragging the `dragHandle` element (equals `el` itself by default).
initialize: function (element, dragStartTarget, preventOutline, options) {
Util.setOptions(this, options);
this._element = element;
this._dragStartTarget = dragStartTarget || element;
this._preventOutline = preventOutline;
},
// @method enable()
// Enables the dragging ability
enable: function () {
if (this._enabled) { return; }
DomEvent.on(this._dragStartTarget, START, this._onDown, this);
this._enabled = true;
},
// @method disable()
// Disables the dragging ability
disable: function () {
if (!this._enabled) { return; }
// If we're currently dragging this draggable,
// disabling it counts as first ending the drag.
if (Draggable._dragging === this) {
this.finishDrag(true);
}
DomEvent.off(this._dragStartTarget, START, this._onDown, this);
this._enabled = false;
this._moved = false;
},
_onDown: function (e) {
// Ignore the event if disabled; this happens in IE11
// under some circumstances, see #3666.
if (!this._enabled) { return; }
this._moved = false;
if (DomUtil.hasClass(this._element, 'leaflet-zoom-anim')) { return; }
if (e.touches && e.touches.length !== 1) {
// Finish dragging to avoid conflict with touchZoom
if (Draggable._dragging === this) {
this.finishDrag();
}
return;
}
if (Draggable._dragging || e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
Draggable._dragging = this; // Prevent dragging multiple objects at once.
if (this._preventOutline) {
DomUtil.preventOutline(this._element);
}
DomUtil.disableImageDrag();
DomUtil.disableTextSelection();
if (this._moving) { return; }
// @event down: Event
// Fired when a drag is about to start.
this.fire('down');
var first = e.touches ? e.touches[0] : e,
sizedParent = DomUtil.getSizedParentNode(this._element);
this._startPoint = new Point(first.clientX, first.clientY);
this._startPos = DomUtil.getPosition(this._element);
// Cache the scale, so that we can continuously compensate for it during drag (_onMove).
this._parentScale = DomUtil.getScale(sizedParent);
var mouseevent = e.type === 'mousedown';
DomEvent.on(document, mouseevent ? 'mousemove' : 'touchmove', this._onMove, this);
DomEvent.on(document, mouseevent ? 'mouseup' : 'touchend touchcancel', this._onUp, this);
},
_onMove: function (e) {
// Ignore the event if disabled; this happens in IE11
// under some circumstances, see #3666.
if (!this._enabled) { return; }
if (e.touches && e.touches.length > 1) {
this._moved = true;
return;
}
var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
offset = new Point(first.clientX, first.clientY)._subtract(this._startPoint);
if (!offset.x && !offset.y) { return; }
if (Math.abs(offset.x) + Math.abs(offset.y) < this.options.clickTolerance) { return; }
// We assume that the parent container's position, border and scale do not change for the duration of the drag.
// Therefore there is no need to account for the position and border (they are eliminated by the subtraction)
// and we can use the cached value for the scale.
offset.x /= this._parentScale.x;
offset.y /= this._parentScale.y;
DomEvent.preventDefault(e);
if (!this._moved) {
// @event dragstart: Event
// Fired when a drag starts
this.fire('dragstart');
this._moved = true;
DomUtil.addClass(document.body, 'leaflet-dragging');
this._lastTarget = e.target || e.srcElement;
// IE and Edge do not give the <use> element, so fetch it
// if necessary
if (window.SVGElementInstance && this._lastTarget instanceof window.SVGElementInstance) {
this._lastTarget = this._lastTarget.correspondingUseElement;
}
DomUtil.addClass(this._lastTarget, 'leaflet-drag-target');
}
this._newPos = this._startPos.add(offset);
this._moving = true;
this._lastEvent = e;
this._updatePosition();
},
_updatePosition: function () {
var e = {originalEvent: this._lastEvent};
// @event predrag: Event
// Fired continuously during dragging *before* each corresponding
// update of the element's position.
this.fire('predrag', e);
DomUtil.setPosition(this._element, this._newPos);
// @event drag: Event
// Fired continuously during dragging.
this.fire('drag', e);
},
_onUp: function () {
// Ignore the event if disabled; this happens in IE11
// under some circumstances, see #3666.
if (!this._enabled) { return; }
this.finishDrag();
},
finishDrag: function (noInertia) {
DomUtil.removeClass(document.body, 'leaflet-dragging');
if (this._lastTarget) {
DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target');
this._lastTarget = null;
}
DomEvent.off(document, 'mousemove touchmove', this._onMove, this);
DomEvent.off(document, 'mouseup touchend touchcancel', this._onUp, this);
DomUtil.enableImageDrag();
DomUtil.enableTextSelection();
var fireDragend = this._moved && this._moving;
this._moving = false;
Draggable._dragging = false;
if (fireDragend) {
// @event dragend: DragEndEvent
// Fired when the drag ends.
this.fire('dragend', {
noInertia: noInertia,
distance: this._newPos.distanceTo(this._startPos)
});
}
}
});

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node_modules/leaflet/src/dom/PosAnimation.js generated vendored Normal file
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import * as Util from '../core/Util';
import {Evented} from '../core/Events';
import * as DomUtil from '../dom/DomUtil';
/*
* @class PosAnimation
* @aka L.PosAnimation
* @inherits Evented
* Used internally for panning animations, utilizing CSS3 Transitions for modern browsers and a timer fallback for IE6-9.
*
* @example
* ```js
* var myPositionMarker = L.marker([48.864716, 2.294694]).addTo(map);
*
* myPositionMarker.on("click", function() {
* var pos = map.latLngToLayerPoint(myPositionMarker.getLatLng());
* pos.y -= 25;
* var fx = new L.PosAnimation();
*
* fx.once('end',function() {
* pos.y += 25;
* fx.run(myPositionMarker._icon, pos, 0.8);
* });
*
* fx.run(myPositionMarker._icon, pos, 0.3);
* });
*
* ```
*
* @constructor L.PosAnimation()
* Creates a `PosAnimation` object.
*
*/
export var PosAnimation = Evented.extend({
// @method run(el: HTMLElement, newPos: Point, duration?: Number, easeLinearity?: Number)
// Run an animation of a given element to a new position, optionally setting
// duration in seconds (`0.25` by default) and easing linearity factor (3rd
// argument of the [cubic bezier curve](https://cubic-bezier.com/#0,0,.5,1),
// `0.5` by default).
run: function (el, newPos, duration, easeLinearity) {
this.stop();
this._el = el;
this._inProgress = true;
this._duration = duration || 0.25;
this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);
this._startPos = DomUtil.getPosition(el);
this._offset = newPos.subtract(this._startPos);
this._startTime = +new Date();
// @event start: Event
// Fired when the animation starts
this.fire('start');
this._animate();
},
// @method stop()
// Stops the animation (if currently running).
stop: function () {
if (!this._inProgress) { return; }
this._step(true);
this._complete();
},
_animate: function () {
// animation loop
this._animId = Util.requestAnimFrame(this._animate, this);
this._step();
},
_step: function (round) {
var elapsed = (+new Date()) - this._startTime,
duration = this._duration * 1000;
if (elapsed < duration) {
this._runFrame(this._easeOut(elapsed / duration), round);
} else {
this._runFrame(1);
this._complete();
}
},
_runFrame: function (progress, round) {
var pos = this._startPos.add(this._offset.multiplyBy(progress));
if (round) {
pos._round();
}
DomUtil.setPosition(this._el, pos);
// @event step: Event
// Fired continuously during the animation.
this.fire('step');
},
_complete: function () {
Util.cancelAnimFrame(this._animId);
this._inProgress = false;
// @event end: Event
// Fired when the animation ends.
this.fire('end');
},
_easeOut: function (t) {
return 1 - Math.pow(1 - t, this._easeOutPower);
}
});

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export {PosAnimation} from './PosAnimation';
import * as DomEvent from './DomEvent';
export {DomEvent};
import * as DomUtil from './DomUtil';
export {DomUtil};
export {Draggable} from './Draggable';

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import * as Util from '../core/Util';
import {Earth} from './crs/CRS.Earth';
import {toLatLngBounds} from './LatLngBounds';
/* @class LatLng
* @aka L.LatLng
*
* Represents a geographical point with a certain latitude and longitude.
*
* @example
*
* ```
* var latlng = L.latLng(50.5, 30.5);
* ```
*
* All Leaflet methods that accept LatLng objects also accept them in a simple Array form and simple object form (unless noted otherwise), so these lines are equivalent:
*
* ```
* map.panTo([50, 30]);
* map.panTo({lon: 30, lat: 50});
* map.panTo({lat: 50, lng: 30});
* map.panTo(L.latLng(50, 30));
* ```
*
* Note that `LatLng` does not inherit from Leaflet's `Class` object,
* which means new classes can't inherit from it, and new methods
* can't be added to it with the `include` function.
*/
export function LatLng(lat, lng, alt) {
if (isNaN(lat) || isNaN(lng)) {
throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
}
// @property lat: Number
// Latitude in degrees
this.lat = +lat;
// @property lng: Number
// Longitude in degrees
this.lng = +lng;
// @property alt: Number
// Altitude in meters (optional)
if (alt !== undefined) {
this.alt = +alt;
}
}
LatLng.prototype = {
// @method equals(otherLatLng: LatLng, maxMargin?: Number): Boolean
// Returns `true` if the given `LatLng` point is at the same position (within a small margin of error). The margin of error can be overridden by setting `maxMargin` to a small number.
equals: function (obj, maxMargin) {
if (!obj) { return false; }
obj = toLatLng(obj);
var margin = Math.max(
Math.abs(this.lat - obj.lat),
Math.abs(this.lng - obj.lng));
return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin);
},
// @method toString(): String
// Returns a string representation of the point (for debugging purposes).
toString: function (precision) {
return 'LatLng(' +
Util.formatNum(this.lat, precision) + ', ' +
Util.formatNum(this.lng, precision) + ')';
},
// @method distanceTo(otherLatLng: LatLng): Number
// Returns the distance (in meters) to the given `LatLng` calculated using the [Spherical Law of Cosines](https://en.wikipedia.org/wiki/Spherical_law_of_cosines).
distanceTo: function (other) {
return Earth.distance(this, toLatLng(other));
},
// @method wrap(): LatLng
// Returns a new `LatLng` object with the longitude wrapped so it's always between -180 and +180 degrees.
wrap: function () {
return Earth.wrapLatLng(this);
},
// @method toBounds(sizeInMeters: Number): LatLngBounds
// Returns a new `LatLngBounds` object in which each boundary is `sizeInMeters/2` meters apart from the `LatLng`.
toBounds: function (sizeInMeters) {
var latAccuracy = 180 * sizeInMeters / 40075017,
lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat);
return toLatLngBounds(
[this.lat - latAccuracy, this.lng - lngAccuracy],
[this.lat + latAccuracy, this.lng + lngAccuracy]);
},
clone: function () {
return new LatLng(this.lat, this.lng, this.alt);
}
};
// @factory L.latLng(latitude: Number, longitude: Number, altitude?: Number): LatLng
// Creates an object representing a geographical point with the given latitude and longitude (and optionally altitude).
// @alternative
// @factory L.latLng(coords: Array): LatLng
// Expects an array of the form `[Number, Number]` or `[Number, Number, Number]` instead.
// @alternative
// @factory L.latLng(coords: Object): LatLng
// Expects an plain object of the form `{lat: Number, lng: Number}` or `{lat: Number, lng: Number, alt: Number}` instead.
export function toLatLng(a, b, c) {
if (a instanceof LatLng) {
return a;
}
if (Util.isArray(a) && typeof a[0] !== 'object') {
if (a.length === 3) {
return new LatLng(a[0], a[1], a[2]);
}
if (a.length === 2) {
return new LatLng(a[0], a[1]);
}
return null;
}
if (a === undefined || a === null) {
return a;
}
if (typeof a === 'object' && 'lat' in a) {
return new LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt);
}
if (b === undefined) {
return null;
}
return new LatLng(a, b, c);
}

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import {LatLng, toLatLng} from './LatLng';
/*
* @class LatLngBounds
* @aka L.LatLngBounds
*
* Represents a rectangular geographical area on a map.
*
* @example
*
* ```js
* var corner1 = L.latLng(40.712, -74.227),
* corner2 = L.latLng(40.774, -74.125),
* bounds = L.latLngBounds(corner1, corner2);
* ```
*
* All Leaflet methods that accept LatLngBounds objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
*
* ```js
* map.fitBounds([
* [40.712, -74.227],
* [40.774, -74.125]
* ]);
* ```
*
* Caution: if the area crosses the antimeridian (often confused with the International Date Line), you must specify corners _outside_ the [-180, 180] degrees longitude range.
*
* Note that `LatLngBounds` does not inherit from Leaflet's `Class` object,
* which means new classes can't inherit from it, and new methods
* can't be added to it with the `include` function.
*/
export function LatLngBounds(corner1, corner2) { // (LatLng, LatLng) or (LatLng[])
if (!corner1) { return; }
var latlngs = corner2 ? [corner1, corner2] : corner1;
for (var i = 0, len = latlngs.length; i < len; i++) {
this.extend(latlngs[i]);
}
}
LatLngBounds.prototype = {
// @method extend(latlng: LatLng): this
// Extend the bounds to contain the given point
// @alternative
// @method extend(otherBounds: LatLngBounds): this
// Extend the bounds to contain the given bounds
extend: function (obj) {
var sw = this._southWest,
ne = this._northEast,
sw2, ne2;
if (obj instanceof LatLng) {
sw2 = obj;
ne2 = obj;
} else if (obj instanceof LatLngBounds) {
sw2 = obj._southWest;
ne2 = obj._northEast;
if (!sw2 || !ne2) { return this; }
} else {
return obj ? this.extend(toLatLng(obj) || toLatLngBounds(obj)) : this;
}
if (!sw && !ne) {
this._southWest = new LatLng(sw2.lat, sw2.lng);
this._northEast = new LatLng(ne2.lat, ne2.lng);
} else {
sw.lat = Math.min(sw2.lat, sw.lat);
sw.lng = Math.min(sw2.lng, sw.lng);
ne.lat = Math.max(ne2.lat, ne.lat);
ne.lng = Math.max(ne2.lng, ne.lng);
}
return this;
},
// @method pad(bufferRatio: Number): LatLngBounds
// Returns bounds created by extending or retracting the current bounds by a given ratio in each direction.
// For example, a ratio of 0.5 extends the bounds by 50% in each direction.
// Negative values will retract the bounds.
pad: function (bufferRatio) {
var sw = this._southWest,
ne = this._northEast,
heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
return new LatLngBounds(
new LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
new LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
},
// @method getCenter(): LatLng
// Returns the center point of the bounds.
getCenter: function () {
return new LatLng(
(this._southWest.lat + this._northEast.lat) / 2,
(this._southWest.lng + this._northEast.lng) / 2);
},
// @method getSouthWest(): LatLng
// Returns the south-west point of the bounds.
getSouthWest: function () {
return this._southWest;
},
// @method getNorthEast(): LatLng
// Returns the north-east point of the bounds.
getNorthEast: function () {
return this._northEast;
},
// @method getNorthWest(): LatLng
// Returns the north-west point of the bounds.
getNorthWest: function () {
return new LatLng(this.getNorth(), this.getWest());
},
// @method getSouthEast(): LatLng
// Returns the south-east point of the bounds.
getSouthEast: function () {
return new LatLng(this.getSouth(), this.getEast());
},
// @method getWest(): Number
// Returns the west longitude of the bounds
getWest: function () {
return this._southWest.lng;
},
// @method getSouth(): Number
// Returns the south latitude of the bounds
getSouth: function () {
return this._southWest.lat;
},
// @method getEast(): Number
// Returns the east longitude of the bounds
getEast: function () {
return this._northEast.lng;
},
// @method getNorth(): Number
// Returns the north latitude of the bounds
getNorth: function () {
return this._northEast.lat;
},
// @method contains(otherBounds: LatLngBounds): Boolean
// Returns `true` if the rectangle contains the given one.
// @alternative
// @method contains (latlng: LatLng): Boolean
// Returns `true` if the rectangle contains the given point.
contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
if (typeof obj[0] === 'number' || obj instanceof LatLng || 'lat' in obj) {
obj = toLatLng(obj);
} else {
obj = toLatLngBounds(obj);
}
var sw = this._southWest,
ne = this._northEast,
sw2, ne2;
if (obj instanceof LatLngBounds) {
sw2 = obj.getSouthWest();
ne2 = obj.getNorthEast();
} else {
sw2 = ne2 = obj;
}
return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
(sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
},
// @method intersects(otherBounds: LatLngBounds): Boolean
// Returns `true` if the rectangle intersects the given bounds. Two bounds intersect if they have at least one point in common.
intersects: function (bounds) {
bounds = toLatLngBounds(bounds);
var sw = this._southWest,
ne = this._northEast,
sw2 = bounds.getSouthWest(),
ne2 = bounds.getNorthEast(),
latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
return latIntersects && lngIntersects;
},
// @method overlaps(otherBounds: LatLngBounds): Boolean
// Returns `true` if the rectangle overlaps the given bounds. Two bounds overlap if their intersection is an area.
overlaps: function (bounds) {
bounds = toLatLngBounds(bounds);
var sw = this._southWest,
ne = this._northEast,
sw2 = bounds.getSouthWest(),
ne2 = bounds.getNorthEast(),
latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat),
lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng);
return latOverlaps && lngOverlaps;
},
// @method toBBoxString(): String
// Returns a string with bounding box coordinates in a 'southwest_lng,southwest_lat,northeast_lng,northeast_lat' format. Useful for sending requests to web services that return geo data.
toBBoxString: function () {
return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
},
// @method equals(otherBounds: LatLngBounds, maxMargin?: Number): Boolean
// Returns `true` if the rectangle is equivalent (within a small margin of error) to the given bounds. The margin of error can be overridden by setting `maxMargin` to a small number.
equals: function (bounds, maxMargin) {
if (!bounds) { return false; }
bounds = toLatLngBounds(bounds);
return this._southWest.equals(bounds.getSouthWest(), maxMargin) &&
this._northEast.equals(bounds.getNorthEast(), maxMargin);
},
// @method isValid(): Boolean
// Returns `true` if the bounds are properly initialized.
isValid: function () {
return !!(this._southWest && this._northEast);
}
};
// TODO International date line?
// @factory L.latLngBounds(corner1: LatLng, corner2: LatLng)
// Creates a `LatLngBounds` object by defining two diagonally opposite corners of the rectangle.
// @alternative
// @factory L.latLngBounds(latlngs: LatLng[])
// Creates a `LatLngBounds` object defined by the geographical points it contains. Very useful for zooming the map to fit a particular set of locations with [`fitBounds`](#map-fitbounds).
export function toLatLngBounds(a, b) {
if (a instanceof LatLngBounds) {
return a;
}
return new LatLngBounds(a, b);
}

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node_modules/leaflet/src/geo/crs/CRS.EPSG3395.js generated vendored Normal file
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import {Earth} from './CRS.Earth';
import {Mercator} from '../projection/Projection.Mercator';
import {toTransformation} from '../../geometry/Transformation';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.EPSG3395
*
* Rarely used by some commercial tile providers. Uses Elliptical Mercator projection.
*/
export var EPSG3395 = Util.extend({}, Earth, {
code: 'EPSG:3395',
projection: Mercator,
transformation: (function () {
var scale = 0.5 / (Math.PI * Mercator.R);
return toTransformation(scale, 0.5, -scale, 0.5);
}())
});

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node_modules/leaflet/src/geo/crs/CRS.EPSG3857.js generated vendored Normal file
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import {Earth} from './CRS.Earth';
import {SphericalMercator} from '../projection/Projection.SphericalMercator';
import {toTransformation} from '../../geometry/Transformation';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.EPSG3857
*
* The most common CRS for online maps, used by almost all free and commercial
* tile providers. Uses Spherical Mercator projection. Set in by default in
* Map's `crs` option.
*/
export var EPSG3857 = Util.extend({}, Earth, {
code: 'EPSG:3857',
projection: SphericalMercator,
transformation: (function () {
var scale = 0.5 / (Math.PI * SphericalMercator.R);
return toTransformation(scale, 0.5, -scale, 0.5);
}())
});
export var EPSG900913 = Util.extend({}, EPSG3857, {
code: 'EPSG:900913'
});

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node_modules/leaflet/src/geo/crs/CRS.EPSG4326.js generated vendored Normal file
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import {Earth} from './CRS.Earth';
import {LonLat} from '../projection/Projection.LonLat';
import {toTransformation} from '../../geometry/Transformation';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.EPSG4326
*
* A common CRS among GIS enthusiasts. Uses simple Equirectangular projection.
*
* Leaflet 1.0.x complies with the [TMS coordinate scheme for EPSG:4326](https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification#global-geodetic),
* which is a breaking change from 0.7.x behaviour. If you are using a `TileLayer`
* with this CRS, ensure that there are two 256x256 pixel tiles covering the
* whole earth at zoom level zero, and that the tile coordinate origin is (-180,+90),
* or (-180,-90) for `TileLayer`s with [the `tms` option](#tilelayer-tms) set.
*/
export var EPSG4326 = Util.extend({}, Earth, {
code: 'EPSG:4326',
projection: LonLat,
transformation: toTransformation(1 / 180, 1, -1 / 180, 0.5)
});

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import {CRS} from './CRS';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.Earth
*
* Serves as the base for CRS that are global such that they cover the earth.
* Can only be used as the base for other CRS and cannot be used directly,
* since it does not have a `code`, `projection` or `transformation`. `distance()` returns
* meters.
*/
export var Earth = Util.extend({}, CRS, {
wrapLng: [-180, 180],
// Mean Earth Radius, as recommended for use by
// the International Union of Geodesy and Geophysics,
// see https://rosettacode.org/wiki/Haversine_formula
R: 6371000,
// distance between two geographical points using spherical law of cosines approximation
distance: function (latlng1, latlng2) {
var rad = Math.PI / 180,
lat1 = latlng1.lat * rad,
lat2 = latlng2.lat * rad,
sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2),
sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2),
a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon,
c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return this.R * c;
}
});

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import {CRS} from './CRS';
import {LonLat} from '../projection/Projection.LonLat';
import {toTransformation} from '../../geometry/Transformation';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.Simple
*
* A simple CRS that maps longitude and latitude into `x` and `y` directly.
* May be used for maps of flat surfaces (e.g. game maps). Note that the `y`
* axis should still be inverted (going from bottom to top). `distance()` returns
* simple euclidean distance.
*/
export var Simple = Util.extend({}, CRS, {
projection: LonLat,
transformation: toTransformation(1, 0, -1, 0),
scale: function (zoom) {
return Math.pow(2, zoom);
},
zoom: function (scale) {
return Math.log(scale) / Math.LN2;
},
distance: function (latlng1, latlng2) {
var dx = latlng2.lng - latlng1.lng,
dy = latlng2.lat - latlng1.lat;
return Math.sqrt(dx * dx + dy * dy);
},
infinite: true
});

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import {Bounds} from '../../geometry/Bounds';
import {LatLng} from '../LatLng';
import {LatLngBounds} from '../LatLngBounds';
import * as Util from '../../core/Util';
/*
* @namespace CRS
* @crs L.CRS.Base
* Object that defines coordinate reference systems for projecting
* geographical points into pixel (screen) coordinates and back (and to
* coordinates in other units for [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services). See
* [spatial reference system](https://en.wikipedia.org/wiki/Spatial_reference_system).
*
* Leaflet defines the most usual CRSs by default. If you want to use a
* CRS not defined by default, take a look at the
* [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet) plugin.
*
* Note that the CRS instances do not inherit from Leaflet's `Class` object,
* and can't be instantiated. Also, new classes can't inherit from them,
* and methods can't be added to them with the `include` function.
*/
export var CRS = {
// @method latLngToPoint(latlng: LatLng, zoom: Number): Point
// Projects geographical coordinates into pixel coordinates for a given zoom.
latLngToPoint: function (latlng, zoom) {
var projectedPoint = this.projection.project(latlng),
scale = this.scale(zoom);
return this.transformation._transform(projectedPoint, scale);
},
// @method pointToLatLng(point: Point, zoom: Number): LatLng
// The inverse of `latLngToPoint`. Projects pixel coordinates on a given
// zoom into geographical coordinates.
pointToLatLng: function (point, zoom) {
var scale = this.scale(zoom),
untransformedPoint = this.transformation.untransform(point, scale);
return this.projection.unproject(untransformedPoint);
},
// @method project(latlng: LatLng): Point
// Projects geographical coordinates into coordinates in units accepted for
// this CRS (e.g. meters for EPSG:3857, for passing it to WMS services).
project: function (latlng) {
return this.projection.project(latlng);
},
// @method unproject(point: Point): LatLng
// Given a projected coordinate returns the corresponding LatLng.
// The inverse of `project`.
unproject: function (point) {
return this.projection.unproject(point);
},
// @method scale(zoom: Number): Number
// Returns the scale used when transforming projected coordinates into
// pixel coordinates for a particular zoom. For example, it returns
// `256 * 2^zoom` for Mercator-based CRS.
scale: function (zoom) {
return 256 * Math.pow(2, zoom);
},
// @method zoom(scale: Number): Number
// Inverse of `scale()`, returns the zoom level corresponding to a scale
// factor of `scale`.
zoom: function (scale) {
return Math.log(scale / 256) / Math.LN2;
},
// @method getProjectedBounds(zoom: Number): Bounds
// Returns the projection's bounds scaled and transformed for the provided `zoom`.
getProjectedBounds: function (zoom) {
if (this.infinite) { return null; }
var b = this.projection.bounds,
s = this.scale(zoom),
min = this.transformation.transform(b.min, s),
max = this.transformation.transform(b.max, s);
return new Bounds(min, max);
},
// @method distance(latlng1: LatLng, latlng2: LatLng): Number
// Returns the distance between two geographical coordinates.
// @property code: String
// Standard code name of the CRS passed into WMS services (e.g. `'EPSG:3857'`)
//
// @property wrapLng: Number[]
// An array of two numbers defining whether the longitude (horizontal) coordinate
// axis wraps around a given range and how. Defaults to `[-180, 180]` in most
// geographical CRSs. If `undefined`, the longitude axis does not wrap around.
//
// @property wrapLat: Number[]
// Like `wrapLng`, but for the latitude (vertical) axis.
// wrapLng: [min, max],
// wrapLat: [min, max],
// @property infinite: Boolean
// If true, the coordinate space will be unbounded (infinite in both axes)
infinite: false,
// @method wrapLatLng(latlng: LatLng): LatLng
// Returns a `LatLng` where lat and lng has been wrapped according to the
// CRS's `wrapLat` and `wrapLng` properties, if they are outside the CRS's bounds.
wrapLatLng: function (latlng) {
var lng = this.wrapLng ? Util.wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng,
lat = this.wrapLat ? Util.wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat,
alt = latlng.alt;
return new LatLng(lat, lng, alt);
},
// @method wrapLatLngBounds(bounds: LatLngBounds): LatLngBounds
// Returns a `LatLngBounds` with the same size as the given one, ensuring
// that its center is within the CRS's bounds.
// Only accepts actual `L.LatLngBounds` instances, not arrays.
wrapLatLngBounds: function (bounds) {
var center = bounds.getCenter(),
newCenter = this.wrapLatLng(center),
latShift = center.lat - newCenter.lat,
lngShift = center.lng - newCenter.lng;
if (latShift === 0 && lngShift === 0) {
return bounds;
}
var sw = bounds.getSouthWest(),
ne = bounds.getNorthEast(),
newSw = new LatLng(sw.lat - latShift, sw.lng - lngShift),
newNe = new LatLng(ne.lat - latShift, ne.lng - lngShift);
return new LatLngBounds(newSw, newNe);
}
};

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import {CRS} from './CRS';
import {Earth} from './CRS.Earth';
import {EPSG3395} from './CRS.EPSG3395';
import {EPSG3857, EPSG900913} from './CRS.EPSG3857';
import {EPSG4326} from './CRS.EPSG4326';
import {Simple} from './CRS.Simple';
CRS.Earth = Earth;
CRS.EPSG3395 = EPSG3395;
CRS.EPSG3857 = EPSG3857;
CRS.EPSG900913 = EPSG900913;
CRS.EPSG4326 = EPSG4326;
CRS.Simple = Simple;
export {CRS};

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export {LatLng, toLatLng as latLng} from './LatLng';
export {LatLngBounds, toLatLngBounds as latLngBounds} from './LatLngBounds';
import * as Projection from './projection/index';
export {Projection};
export * from './crs/index';

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node_modules/leaflet/src/geo/projection/Projection.LonLat.js generated vendored Normal file
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import {LatLng} from '../LatLng';
import {Bounds} from '../../geometry/Bounds';
import {Point} from '../../geometry/Point';
/*
* @namespace Projection
* @section
* Leaflet comes with a set of already defined Projections out of the box:
*
* @projection L.Projection.LonLat
*
* Equirectangular, or Plate Carree projection — the most simple projection,
* mostly used by GIS enthusiasts. Directly maps `x` as longitude, and `y` as
* latitude. Also suitable for flat worlds, e.g. game maps. Used by the
* `EPSG:4326` and `Simple` CRS.
*/
export var LonLat = {
project: function (latlng) {
return new Point(latlng.lng, latlng.lat);
},
unproject: function (point) {
return new LatLng(point.y, point.x);
},
bounds: new Bounds([-180, -90], [180, 90])
};

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import {LatLng} from '../LatLng';
import {Bounds} from '../../geometry/Bounds';
import {Point} from '../../geometry/Point';
/*
* @namespace Projection
* @projection L.Projection.Mercator
*
* Elliptical Mercator projection — more complex than Spherical Mercator. Assumes that Earth is an ellipsoid. Used by the EPSG:3395 CRS.
*/
export var Mercator = {
R: 6378137,
R_MINOR: 6356752.314245179,
bounds: new Bounds([-20037508.34279, -15496570.73972], [20037508.34279, 18764656.23138]),
project: function (latlng) {
var d = Math.PI / 180,
r = this.R,
y = latlng.lat * d,
tmp = this.R_MINOR / r,
e = Math.sqrt(1 - tmp * tmp),
con = e * Math.sin(y);
var ts = Math.tan(Math.PI / 4 - y / 2) / Math.pow((1 - con) / (1 + con), e / 2);
y = -r * Math.log(Math.max(ts, 1E-10));
return new Point(latlng.lng * d * r, y);
},
unproject: function (point) {
var d = 180 / Math.PI,
r = this.R,
tmp = this.R_MINOR / r,
e = Math.sqrt(1 - tmp * tmp),
ts = Math.exp(-point.y / r),
phi = Math.PI / 2 - 2 * Math.atan(ts);
for (var i = 0, dphi = 0.1, con; i < 15 && Math.abs(dphi) > 1e-7; i++) {
con = e * Math.sin(phi);
con = Math.pow((1 - con) / (1 + con), e / 2);
dphi = Math.PI / 2 - 2 * Math.atan(ts * con) - phi;
phi += dphi;
}
return new LatLng(phi * d, point.x * d / r);
}
};

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node_modules/leaflet/src/geo/projection/Projection.SphericalMercator.js generated vendored Normal file
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import {LatLng} from '../LatLng';
import {Bounds} from '../../geometry/Bounds';
import {Point} from '../../geometry/Point';
/*
* @namespace Projection
* @projection L.Projection.SphericalMercator
*
* Spherical Mercator projection — the most common projection for online maps,
* used by almost all free and commercial tile providers. Assumes that Earth is
* a sphere. Used by the `EPSG:3857` CRS.
*/
var earthRadius = 6378137;
export var SphericalMercator = {
R: earthRadius,
MAX_LATITUDE: 85.0511287798,
project: function (latlng) {
var d = Math.PI / 180,
max = this.MAX_LATITUDE,
lat = Math.max(Math.min(max, latlng.lat), -max),
sin = Math.sin(lat * d);
return new Point(
this.R * latlng.lng * d,
this.R * Math.log((1 + sin) / (1 - sin)) / 2);
},
unproject: function (point) {
var d = 180 / Math.PI;
return new LatLng(
(2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d,
point.x * d / this.R);
},
bounds: (function () {
var d = earthRadius * Math.PI;
return new Bounds([-d, -d], [d, d]);
})()
};

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/*
* @class Projection
* An object with methods for projecting geographical coordinates of the world onto
* a flat surface (and back). See [Map projection](https://en.wikipedia.org/wiki/Map_projection).
* @property bounds: Bounds
* The bounds (specified in CRS units) where the projection is valid
* @method project(latlng: LatLng): Point
* Projects geographical coordinates into a 2D point.
* Only accepts actual `L.LatLng` instances, not arrays.
* @method unproject(point: Point): LatLng
* The inverse of `project`. Projects a 2D point into a geographical location.
* Only accepts actual `L.Point` instances, not arrays.
* Note that the projection instances do not inherit from Leaflet's `Class` object,
* and can't be instantiated. Also, new classes can't inherit from them,
* and methods can't be added to them with the `include` function.
*/
export {LonLat} from './Projection.LonLat';
export {Mercator} from './Projection.Mercator';
export {SphericalMercator} from './Projection.SphericalMercator';

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node_modules/leaflet/src/geometry/Bounds.js generated vendored Normal file
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import {Point, toPoint} from './Point';
/*
* @class Bounds
* @aka L.Bounds
*
* Represents a rectangular area in pixel coordinates.
*
* @example
*
* ```js
* var p1 = L.point(10, 10),
* p2 = L.point(40, 60),
* bounds = L.bounds(p1, p2);
* ```
*
* All Leaflet methods that accept `Bounds` objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
*
* ```js
* otherBounds.intersects([[10, 10], [40, 60]]);
* ```
*
* Note that `Bounds` does not inherit from Leaflet's `Class` object,
* which means new classes can't inherit from it, and new methods
* can't be added to it with the `include` function.
*/
export function Bounds(a, b) {
if (!a) { return; }
var points = b ? [a, b] : a;
for (var i = 0, len = points.length; i < len; i++) {
this.extend(points[i]);
}
}
Bounds.prototype = {
// @method extend(point: Point): this
// Extends the bounds to contain the given point.
// @alternative
// @method extend(otherBounds: Bounds): this
// Extend the bounds to contain the given bounds
extend: function (obj) {
var min2, max2;
if (!obj) { return this; }
if (obj instanceof Point || typeof obj[0] === 'number' || 'x' in obj) {
min2 = max2 = toPoint(obj);
} else {
obj = toBounds(obj);
min2 = obj.min;
max2 = obj.max;
if (!min2 || !max2) { return this; }
}
// @property min: Point
// The top left corner of the rectangle.
// @property max: Point
// The bottom right corner of the rectangle.
if (!this.min && !this.max) {
this.min = min2.clone();
this.max = max2.clone();
} else {
this.min.x = Math.min(min2.x, this.min.x);
this.max.x = Math.max(max2.x, this.max.x);
this.min.y = Math.min(min2.y, this.min.y);
this.max.y = Math.max(max2.y, this.max.y);
}
return this;
},
// @method getCenter(round?: Boolean): Point
// Returns the center point of the bounds.
getCenter: function (round) {
return toPoint(
(this.min.x + this.max.x) / 2,
(this.min.y + this.max.y) / 2, round);
},
// @method getBottomLeft(): Point
// Returns the bottom-left point of the bounds.
getBottomLeft: function () {
return toPoint(this.min.x, this.max.y);
},
// @method getTopRight(): Point
// Returns the top-right point of the bounds.
getTopRight: function () { // -> Point
return toPoint(this.max.x, this.min.y);
},
// @method getTopLeft(): Point
// Returns the top-left point of the bounds (i.e. [`this.min`](#bounds-min)).
getTopLeft: function () {
return this.min; // left, top
},
// @method getBottomRight(): Point
// Returns the bottom-right point of the bounds (i.e. [`this.max`](#bounds-max)).
getBottomRight: function () {
return this.max; // right, bottom
},
// @method getSize(): Point
// Returns the size of the given bounds
getSize: function () {
return this.max.subtract(this.min);
},
// @method contains(otherBounds: Bounds): Boolean
// Returns `true` if the rectangle contains the given one.
// @alternative
// @method contains(point: Point): Boolean
// Returns `true` if the rectangle contains the given point.
contains: function (obj) {
var min, max;
if (typeof obj[0] === 'number' || obj instanceof Point) {
obj = toPoint(obj);
} else {
obj = toBounds(obj);
}
if (obj instanceof Bounds) {
min = obj.min;
max = obj.max;
} else {
min = max = obj;
}
return (min.x >= this.min.x) &&
(max.x <= this.max.x) &&
(min.y >= this.min.y) &&
(max.y <= this.max.y);
},
// @method intersects(otherBounds: Bounds): Boolean
// Returns `true` if the rectangle intersects the given bounds. Two bounds
// intersect if they have at least one point in common.
intersects: function (bounds) { // (Bounds) -> Boolean
bounds = toBounds(bounds);
var min = this.min,
max = this.max,
min2 = bounds.min,
max2 = bounds.max,
xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
return xIntersects && yIntersects;
},
// @method overlaps(otherBounds: Bounds): Boolean
// Returns `true` if the rectangle overlaps the given bounds. Two bounds
// overlap if their intersection is an area.
overlaps: function (bounds) { // (Bounds) -> Boolean
bounds = toBounds(bounds);
var min = this.min,
max = this.max,
min2 = bounds.min,
max2 = bounds.max,
xOverlaps = (max2.x > min.x) && (min2.x < max.x),
yOverlaps = (max2.y > min.y) && (min2.y < max.y);
return xOverlaps && yOverlaps;
},
// @method isValid(): Boolean
// Returns `true` if the bounds are properly initialized.
isValid: function () {
return !!(this.min && this.max);
},
// @method pad(bufferRatio: Number): Bounds
// Returns bounds created by extending or retracting the current bounds by a given ratio in each direction.
// For example, a ratio of 0.5 extends the bounds by 50% in each direction.
// Negative values will retract the bounds.
pad: function (bufferRatio) {
var min = this.min,
max = this.max,
heightBuffer = Math.abs(min.x - max.x) * bufferRatio,
widthBuffer = Math.abs(min.y - max.y) * bufferRatio;
return toBounds(
toPoint(min.x - heightBuffer, min.y - widthBuffer),
toPoint(max.x + heightBuffer, max.y + widthBuffer));
},
// @method equals(otherBounds: Bounds): Boolean
// Returns `true` if the rectangle is equivalent to the given bounds.
equals: function (bounds) {
if (!bounds) { return false; }
bounds = toBounds(bounds);
return this.min.equals(bounds.getTopLeft()) &&
this.max.equals(bounds.getBottomRight());
},
};
// @factory L.bounds(corner1: Point, corner2: Point)
// Creates a Bounds object from two corners coordinate pairs.
// @alternative
// @factory L.bounds(points: Point[])
// Creates a Bounds object from the given array of points.
export function toBounds(a, b) {
if (!a || a instanceof Bounds) {
return a;
}
return new Bounds(a, b);
}

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import {Point, toPoint} from './Point';
import * as Util from '../core/Util';
import {toLatLng} from '../geo/LatLng';
import {centroid} from './PolyUtil';
import {toLatLngBounds} from '../geo/LatLngBounds';
/*
* @namespace LineUtil
*
* Various utility functions for polyline points processing, used by Leaflet internally to make polylines lightning-fast.
*/
// Simplify polyline with vertex reduction and Douglas-Peucker simplification.
// Improves rendering performance dramatically by lessening the number of points to draw.
// @function simplify(points: Point[], tolerance: Number): Point[]
// Dramatically reduces the number of points in a polyline while retaining
// its shape and returns a new array of simplified points, using the
// [Ramer-Douglas-Peucker algorithm](https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm).
// Used for a huge performance boost when processing/displaying Leaflet polylines for
// each zoom level and also reducing visual noise. tolerance affects the amount of
// simplification (lesser value means higher quality but slower and with more points).
// Also released as a separated micro-library [Simplify.js](https://mourner.github.io/simplify-js/).
export function simplify(points, tolerance) {
if (!tolerance || !points.length) {
return points.slice();
}
var sqTolerance = tolerance * tolerance;
// stage 1: vertex reduction
points = _reducePoints(points, sqTolerance);
// stage 2: Douglas-Peucker simplification
points = _simplifyDP(points, sqTolerance);
return points;
}
// @function pointToSegmentDistance(p: Point, p1: Point, p2: Point): Number
// Returns the distance between point `p` and segment `p1` to `p2`.
export function pointToSegmentDistance(p, p1, p2) {
return Math.sqrt(_sqClosestPointOnSegment(p, p1, p2, true));
}
// @function closestPointOnSegment(p: Point, p1: Point, p2: Point): Number
// Returns the closest point from a point `p` on a segment `p1` to `p2`.
export function closestPointOnSegment(p, p1, p2) {
return _sqClosestPointOnSegment(p, p1, p2);
}
// Ramer-Douglas-Peucker simplification, see https://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm
function _simplifyDP(points, sqTolerance) {
var len = points.length,
ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
markers = new ArrayConstructor(len);
markers[0] = markers[len - 1] = 1;
_simplifyDPStep(points, markers, sqTolerance, 0, len - 1);
var i,
newPoints = [];
for (i = 0; i < len; i++) {
if (markers[i]) {
newPoints.push(points[i]);
}
}
return newPoints;
}
function _simplifyDPStep(points, markers, sqTolerance, first, last) {
var maxSqDist = 0,
index, i, sqDist;
for (i = first + 1; i <= last - 1; i++) {
sqDist = _sqClosestPointOnSegment(points[i], points[first], points[last], true);
if (sqDist > maxSqDist) {
index = i;
maxSqDist = sqDist;
}
}
if (maxSqDist > sqTolerance) {
markers[index] = 1;
_simplifyDPStep(points, markers, sqTolerance, first, index);
_simplifyDPStep(points, markers, sqTolerance, index, last);
}
}
// reduce points that are too close to each other to a single point
function _reducePoints(points, sqTolerance) {
var reducedPoints = [points[0]];
for (var i = 1, prev = 0, len = points.length; i < len; i++) {
if (_sqDist(points[i], points[prev]) > sqTolerance) {
reducedPoints.push(points[i]);
prev = i;
}
}
if (prev < len - 1) {
reducedPoints.push(points[len - 1]);
}
return reducedPoints;
}
var _lastCode;
// @function clipSegment(a: Point, b: Point, bounds: Bounds, useLastCode?: Boolean, round?: Boolean): Point[]|Boolean
// Clips the segment a to b by rectangular bounds with the
// [Cohen-Sutherland algorithm](https://en.wikipedia.org/wiki/Cohen%E2%80%93Sutherland_algorithm)
// (modifying the segment points directly!). Used by Leaflet to only show polyline
// points that are on the screen or near, increasing performance.
export function clipSegment(a, b, bounds, useLastCode, round) {
var codeA = useLastCode ? _lastCode : _getBitCode(a, bounds),
codeB = _getBitCode(b, bounds),
codeOut, p, newCode;
// save 2nd code to avoid calculating it on the next segment
_lastCode = codeB;
while (true) {
// if a,b is inside the clip window (trivial accept)
if (!(codeA | codeB)) {
return [a, b];
}
// if a,b is outside the clip window (trivial reject)
if (codeA & codeB) {
return false;
}
// other cases
codeOut = codeA || codeB;
p = _getEdgeIntersection(a, b, codeOut, bounds, round);
newCode = _getBitCode(p, bounds);
if (codeOut === codeA) {
a = p;
codeA = newCode;
} else {
b = p;
codeB = newCode;
}
}
}
export function _getEdgeIntersection(a, b, code, bounds, round) {
var dx = b.x - a.x,
dy = b.y - a.y,
min = bounds.min,
max = bounds.max,
x, y;
if (code & 8) { // top
x = a.x + dx * (max.y - a.y) / dy;
y = max.y;
} else if (code & 4) { // bottom
x = a.x + dx * (min.y - a.y) / dy;
y = min.y;
} else if (code & 2) { // right
x = max.x;
y = a.y + dy * (max.x - a.x) / dx;
} else if (code & 1) { // left
x = min.x;
y = a.y + dy * (min.x - a.x) / dx;
}
return new Point(x, y, round);
}
export function _getBitCode(p, bounds) {
var code = 0;
if (p.x < bounds.min.x) { // left
code |= 1;
} else if (p.x > bounds.max.x) { // right
code |= 2;
}
if (p.y < bounds.min.y) { // bottom
code |= 4;
} else if (p.y > bounds.max.y) { // top
code |= 8;
}
return code;
}
// square distance (to avoid unnecessary Math.sqrt calls)
function _sqDist(p1, p2) {
var dx = p2.x - p1.x,
dy = p2.y - p1.y;
return dx * dx + dy * dy;
}
// return closest point on segment or distance to that point
export function _sqClosestPointOnSegment(p, p1, p2, sqDist) {
var x = p1.x,
y = p1.y,
dx = p2.x - x,
dy = p2.y - y,
dot = dx * dx + dy * dy,
t;
if (dot > 0) {
t = ((p.x - x) * dx + (p.y - y) * dy) / dot;
if (t > 1) {
x = p2.x;
y = p2.y;
} else if (t > 0) {
x += dx * t;
y += dy * t;
}
}
dx = p.x - x;
dy = p.y - y;
return sqDist ? dx * dx + dy * dy : new Point(x, y);
}
// @function isFlat(latlngs: LatLng[]): Boolean
// Returns true if `latlngs` is a flat array, false is nested.
export function isFlat(latlngs) {
return !Util.isArray(latlngs[0]) || (typeof latlngs[0][0] !== 'object' && typeof latlngs[0][0] !== 'undefined');
}
export function _flat(latlngs) {
console.warn('Deprecated use of _flat, please use L.LineUtil.isFlat instead.');
return isFlat(latlngs);
}
/* @function polylineCenter(latlngs: LatLng[], crs: CRS): LatLng
* Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the passed LatLngs (first ring) from a polyline.
*/
export function polylineCenter(latlngs, crs) {
var i, halfDist, segDist, dist, p1, p2, ratio, center;
if (!latlngs || latlngs.length === 0) {
throw new Error('latlngs not passed');
}
if (!isFlat(latlngs)) {
console.warn('latlngs are not flat! Only the first ring will be used');
latlngs = latlngs[0];
}
var centroidLatLng = toLatLng([0, 0]);
var bounds = toLatLngBounds(latlngs);
var areaBounds = bounds.getNorthWest().distanceTo(bounds.getSouthWest()) * bounds.getNorthEast().distanceTo(bounds.getNorthWest());
// tests showed that below 1700 rounding errors are happening
if (areaBounds < 1700) {
// getting a inexact center, to move the latlngs near to [0, 0] to prevent rounding errors
centroidLatLng = centroid(latlngs);
}
var len = latlngs.length;
var points = [];
for (i = 0; i < len; i++) {
var latlng = toLatLng(latlngs[i]);
points.push(crs.project(toLatLng([latlng.lat - centroidLatLng.lat, latlng.lng - centroidLatLng.lng])));
}
for (i = 0, halfDist = 0; i < len - 1; i++) {
halfDist += points[i].distanceTo(points[i + 1]) / 2;
}
// The line is so small in the current view that all points are on the same pixel.
if (halfDist === 0) {
center = points[0];
} else {
for (i = 0, dist = 0; i < len - 1; i++) {
p1 = points[i];
p2 = points[i + 1];
segDist = p1.distanceTo(p2);
dist += segDist;
if (dist > halfDist) {
ratio = (dist - halfDist) / segDist;
center = [
p2.x - ratio * (p2.x - p1.x),
p2.y - ratio * (p2.y - p1.y)
];
break;
}
}
}
var latlngCenter = crs.unproject(toPoint(center));
return toLatLng([latlngCenter.lat + centroidLatLng.lat, latlngCenter.lng + centroidLatLng.lng]);
}

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import {isArray, formatNum} from '../core/Util';
/*
* @class Point
* @aka L.Point
*
* Represents a point with `x` and `y` coordinates in pixels.
*
* @example
*
* ```js
* var point = L.point(200, 300);
* ```
*
* All Leaflet methods and options that accept `Point` objects also accept them in a simple Array form (unless noted otherwise), so these lines are equivalent:
*
* ```js
* map.panBy([200, 300]);
* map.panBy(L.point(200, 300));
* ```
*
* Note that `Point` does not inherit from Leaflet's `Class` object,
* which means new classes can't inherit from it, and new methods
* can't be added to it with the `include` function.
*/
export function Point(x, y, round) {
// @property x: Number; The `x` coordinate of the point
this.x = (round ? Math.round(x) : x);
// @property y: Number; The `y` coordinate of the point
this.y = (round ? Math.round(y) : y);
}
var trunc = Math.trunc || function (v) {
return v > 0 ? Math.floor(v) : Math.ceil(v);
};
Point.prototype = {
// @method clone(): Point
// Returns a copy of the current point.
clone: function () {
return new Point(this.x, this.y);
},
// @method add(otherPoint: Point): Point
// Returns the result of addition of the current and the given points.
add: function (point) {
// non-destructive, returns a new point
return this.clone()._add(toPoint(point));
},
_add: function (point) {
// destructive, used directly for performance in situations where it's safe to modify existing point
this.x += point.x;
this.y += point.y;
return this;
},
// @method subtract(otherPoint: Point): Point
// Returns the result of subtraction of the given point from the current.
subtract: function (point) {
return this.clone()._subtract(toPoint(point));
},
_subtract: function (point) {
this.x -= point.x;
this.y -= point.y;
return this;
},
// @method divideBy(num: Number): Point
// Returns the result of division of the current point by the given number.
divideBy: function (num) {
return this.clone()._divideBy(num);
},
_divideBy: function (num) {
this.x /= num;
this.y /= num;
return this;
},
// @method multiplyBy(num: Number): Point
// Returns the result of multiplication of the current point by the given number.
multiplyBy: function (num) {
return this.clone()._multiplyBy(num);
},
_multiplyBy: function (num) {
this.x *= num;
this.y *= num;
return this;
},
// @method scaleBy(scale: Point): Point
// Multiply each coordinate of the current point by each coordinate of
// `scale`. In linear algebra terms, multiply the point by the
// [scaling matrix](https://en.wikipedia.org/wiki/Scaling_%28geometry%29#Matrix_representation)
// defined by `scale`.
scaleBy: function (point) {
return new Point(this.x * point.x, this.y * point.y);
},
// @method unscaleBy(scale: Point): Point
// Inverse of `scaleBy`. Divide each coordinate of the current point by
// each coordinate of `scale`.
unscaleBy: function (point) {
return new Point(this.x / point.x, this.y / point.y);
},
// @method round(): Point
// Returns a copy of the current point with rounded coordinates.
round: function () {
return this.clone()._round();
},
_round: function () {
this.x = Math.round(this.x);
this.y = Math.round(this.y);
return this;
},
// @method floor(): Point
// Returns a copy of the current point with floored coordinates (rounded down).
floor: function () {
return this.clone()._floor();
},
_floor: function () {
this.x = Math.floor(this.x);
this.y = Math.floor(this.y);
return this;
},
// @method ceil(): Point
// Returns a copy of the current point with ceiled coordinates (rounded up).
ceil: function () {
return this.clone()._ceil();
},
_ceil: function () {
this.x = Math.ceil(this.x);
this.y = Math.ceil(this.y);
return this;
},
// @method trunc(): Point
// Returns a copy of the current point with truncated coordinates (rounded towards zero).
trunc: function () {
return this.clone()._trunc();
},
_trunc: function () {
this.x = trunc(this.x);
this.y = trunc(this.y);
return this;
},
// @method distanceTo(otherPoint: Point): Number
// Returns the cartesian distance between the current and the given points.
distanceTo: function (point) {
point = toPoint(point);
var x = point.x - this.x,
y = point.y - this.y;
return Math.sqrt(x * x + y * y);
},
// @method equals(otherPoint: Point): Boolean
// Returns `true` if the given point has the same coordinates.
equals: function (point) {
point = toPoint(point);
return point.x === this.x &&
point.y === this.y;
},
// @method contains(otherPoint: Point): Boolean
// Returns `true` if both coordinates of the given point are less than the corresponding current point coordinates (in absolute values).
contains: function (point) {
point = toPoint(point);
return Math.abs(point.x) <= Math.abs(this.x) &&
Math.abs(point.y) <= Math.abs(this.y);
},
// @method toString(): String
// Returns a string representation of the point for debugging purposes.
toString: function () {
return 'Point(' +
formatNum(this.x) + ', ' +
formatNum(this.y) + ')';
}
};
// @factory L.point(x: Number, y: Number, round?: Boolean)
// Creates a Point object with the given `x` and `y` coordinates. If optional `round` is set to true, rounds the `x` and `y` values.
// @alternative
// @factory L.point(coords: Number[])
// Expects an array of the form `[x, y]` instead.
// @alternative
// @factory L.point(coords: Object)
// Expects a plain object of the form `{x: Number, y: Number}` instead.
export function toPoint(x, y, round) {
if (x instanceof Point) {
return x;
}
if (isArray(x)) {
return new Point(x[0], x[1]);
}
if (x === undefined || x === null) {
return x;
}
if (typeof x === 'object' && 'x' in x && 'y' in x) {
return new Point(x.x, x.y);
}
return new Point(x, y, round);
}

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