268 lines
11 KiB
JavaScript
268 lines
11 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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getNamedMiddlewareRegex: null,
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getNamedRouteRegex: null,
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getRouteRegex: null,
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parseParameter: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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getNamedMiddlewareRegex: function() {
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return getNamedMiddlewareRegex;
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},
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getNamedRouteRegex: function() {
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return getNamedRouteRegex;
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},
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getRouteRegex: function() {
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return getRouteRegex;
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},
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parseParameter: function() {
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return parseParameter;
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}
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});
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const _constants = require("../../../../lib/constants");
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const _interceptionroutes = require("./interception-routes");
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const _escaperegexp = require("../../escape-regexp");
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const _removetrailingslash = require("./remove-trailing-slash");
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/**
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* Regular expression pattern used to match route parameters.
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* Matches both single parameters and parameter groups.
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* Examples:
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* - `[[...slug]]` matches parameter group with key 'slug', repeat: true, optional: true
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* - `[...slug]` matches parameter group with key 'slug', repeat: true, optional: false
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* - `[[foo]]` matches parameter with key 'foo', repeat: false, optional: true
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* - `[bar]` matches parameter with key 'bar', repeat: false, optional: false
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*/ const PARAMETER_PATTERN = /^([^[]*)\[((?:\[[^\]]*\])|[^\]]+)\](.*)$/;
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function parseParameter(param) {
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const match = param.match(PARAMETER_PATTERN);
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if (!match) {
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return parseMatchedParameter(param);
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}
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return parseMatchedParameter(match[2]);
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}
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/**
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* Parses a matched parameter from the PARAMETER_PATTERN regex to a data structure that can be used
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* to generate the parametrized route.
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* Examples:
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* - `[...slug]` -> `{ key: 'slug', repeat: true, optional: true }`
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* - `...slug` -> `{ key: 'slug', repeat: true, optional: false }`
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* - `[foo]` -> `{ key: 'foo', repeat: false, optional: true }`
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* - `bar` -> `{ key: 'bar', repeat: false, optional: false }`
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* @param param - The matched parameter to parse.
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* @returns The parsed parameter as a data structure.
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*/ function parseMatchedParameter(param) {
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const optional = param.startsWith('[') && param.endsWith(']');
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if (optional) {
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param = param.slice(1, -1);
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}
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const repeat = param.startsWith('...');
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if (repeat) {
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param = param.slice(3);
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}
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return {
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key: param,
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repeat,
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optional
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};
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}
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function getParametrizedRoute(route, includeSuffix, includePrefix) {
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const groups = {};
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let groupIndex = 1;
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const segments = [];
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for (const segment of (0, _removetrailingslash.removeTrailingSlash)(route).slice(1).split('/')){
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const markerMatch = _interceptionroutes.INTERCEPTION_ROUTE_MARKERS.find((m)=>segment.startsWith(m));
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const paramMatches = segment.match(PARAMETER_PATTERN) // Check for parameters
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;
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if (markerMatch && paramMatches && paramMatches[2]) {
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const { key, optional, repeat } = parseMatchedParameter(paramMatches[2]);
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groups[key] = {
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pos: groupIndex++,
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repeat,
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optional
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};
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segments.push("/" + (0, _escaperegexp.escapeStringRegexp)(markerMatch) + "([^/]+?)");
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} else if (paramMatches && paramMatches[2]) {
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const { key, repeat, optional } = parseMatchedParameter(paramMatches[2]);
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groups[key] = {
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pos: groupIndex++,
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repeat,
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optional
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};
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if (includePrefix && paramMatches[1]) {
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segments.push("/" + (0, _escaperegexp.escapeStringRegexp)(paramMatches[1]));
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}
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let s = repeat ? optional ? '(?:/(.+?))?' : '/(.+?)' : '/([^/]+?)';
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// Remove the leading slash if includePrefix already added it.
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if (includePrefix && paramMatches[1]) {
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s = s.substring(1);
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}
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segments.push(s);
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} else {
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segments.push("/" + (0, _escaperegexp.escapeStringRegexp)(segment));
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}
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// If there's a suffix, add it to the segments if it's enabled.
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if (includeSuffix && paramMatches && paramMatches[3]) {
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segments.push((0, _escaperegexp.escapeStringRegexp)(paramMatches[3]));
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}
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}
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return {
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parameterizedRoute: segments.join(''),
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groups
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};
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}
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function getRouteRegex(normalizedRoute, param) {
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let { includeSuffix = false, includePrefix = false, excludeOptionalTrailingSlash = false } = param === void 0 ? {} : param;
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const { parameterizedRoute, groups } = getParametrizedRoute(normalizedRoute, includeSuffix, includePrefix);
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let re = parameterizedRoute;
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if (!excludeOptionalTrailingSlash) {
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re += '(?:/)?';
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}
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return {
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re: new RegExp("^" + re + "$"),
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groups: groups
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};
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}
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/**
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* Builds a function to generate a minimal routeKey using only a-z and minimal
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* number of characters.
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*/ function buildGetSafeRouteKey() {
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let i = 0;
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return ()=>{
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let routeKey = '';
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let j = ++i;
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while(j > 0){
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routeKey += String.fromCharCode(97 + (j - 1) % 26);
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j = Math.floor((j - 1) / 26);
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}
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return routeKey;
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};
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}
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function getSafeKeyFromSegment(param) {
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let { interceptionMarker, getSafeRouteKey, segment, routeKeys, keyPrefix, backreferenceDuplicateKeys } = param;
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const { key, optional, repeat } = parseMatchedParameter(segment);
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// replace any non-word characters since they can break
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// the named regex
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let cleanedKey = key.replace(/\W/g, '');
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if (keyPrefix) {
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cleanedKey = "" + keyPrefix + cleanedKey;
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}
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let invalidKey = false;
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// check if the key is still invalid and fallback to using a known
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// safe key
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if (cleanedKey.length === 0 || cleanedKey.length > 30) {
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invalidKey = true;
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}
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if (!isNaN(parseInt(cleanedKey.slice(0, 1)))) {
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invalidKey = true;
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}
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if (invalidKey) {
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cleanedKey = getSafeRouteKey();
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}
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const duplicateKey = cleanedKey in routeKeys;
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if (keyPrefix) {
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routeKeys[cleanedKey] = "" + keyPrefix + key;
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} else {
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routeKeys[cleanedKey] = key;
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}
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// if the segment has an interception marker, make sure that's part of the regex pattern
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// this is to ensure that the route with the interception marker doesn't incorrectly match
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// the non-intercepted route (ie /app/(.)[username] should not match /app/[username])
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const interceptionPrefix = interceptionMarker ? (0, _escaperegexp.escapeStringRegexp)(interceptionMarker) : '';
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let pattern;
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if (duplicateKey && backreferenceDuplicateKeys) {
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// Use a backreference to the key to ensure that the key is the same value
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// in each of the placeholders.
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pattern = "\\k<" + cleanedKey + ">";
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} else if (repeat) {
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pattern = "(?<" + cleanedKey + ">.+?)";
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} else {
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pattern = "(?<" + cleanedKey + ">[^/]+?)";
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}
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return optional ? "(?:/" + interceptionPrefix + pattern + ")?" : "/" + interceptionPrefix + pattern;
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}
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function getNamedParametrizedRoute(route, prefixRouteKeys, includeSuffix, includePrefix, backreferenceDuplicateKeys) {
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const getSafeRouteKey = buildGetSafeRouteKey();
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const routeKeys = {};
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const segments = [];
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for (const segment of (0, _removetrailingslash.removeTrailingSlash)(route).slice(1).split('/')){
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const hasInterceptionMarker = _interceptionroutes.INTERCEPTION_ROUTE_MARKERS.some((m)=>segment.startsWith(m));
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const paramMatches = segment.match(PARAMETER_PATTERN) // Check for parameters
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;
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if (hasInterceptionMarker && paramMatches && paramMatches[2]) {
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// If there's an interception marker, add it to the segments.
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segments.push(getSafeKeyFromSegment({
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getSafeRouteKey,
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interceptionMarker: paramMatches[1],
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segment: paramMatches[2],
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routeKeys,
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keyPrefix: prefixRouteKeys ? _constants.NEXT_INTERCEPTION_MARKER_PREFIX : undefined,
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backreferenceDuplicateKeys
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}));
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} else if (paramMatches && paramMatches[2]) {
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// If there's a prefix, add it to the segments if it's enabled.
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if (includePrefix && paramMatches[1]) {
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segments.push("/" + (0, _escaperegexp.escapeStringRegexp)(paramMatches[1]));
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}
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let s = getSafeKeyFromSegment({
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getSafeRouteKey,
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segment: paramMatches[2],
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routeKeys,
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keyPrefix: prefixRouteKeys ? _constants.NEXT_QUERY_PARAM_PREFIX : undefined,
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backreferenceDuplicateKeys
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});
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// Remove the leading slash if includePrefix already added it.
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if (includePrefix && paramMatches[1]) {
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s = s.substring(1);
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}
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segments.push(s);
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} else {
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segments.push("/" + (0, _escaperegexp.escapeStringRegexp)(segment));
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}
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// If there's a suffix, add it to the segments if it's enabled.
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if (includeSuffix && paramMatches && paramMatches[3]) {
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segments.push((0, _escaperegexp.escapeStringRegexp)(paramMatches[3]));
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}
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}
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return {
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namedParameterizedRoute: segments.join(''),
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routeKeys
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};
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}
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function getNamedRouteRegex(normalizedRoute, options) {
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var _options_includeSuffix, _options_includePrefix, _options_backreferenceDuplicateKeys;
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const result = getNamedParametrizedRoute(normalizedRoute, options.prefixRouteKeys, (_options_includeSuffix = options.includeSuffix) != null ? _options_includeSuffix : false, (_options_includePrefix = options.includePrefix) != null ? _options_includePrefix : false, (_options_backreferenceDuplicateKeys = options.backreferenceDuplicateKeys) != null ? _options_backreferenceDuplicateKeys : false);
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let namedRegex = result.namedParameterizedRoute;
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if (!options.excludeOptionalTrailingSlash) {
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namedRegex += '(?:/)?';
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}
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return {
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...getRouteRegex(normalizedRoute, options),
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namedRegex: "^" + namedRegex + "$",
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routeKeys: result.routeKeys
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};
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}
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function getNamedMiddlewareRegex(normalizedRoute, options) {
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const { parameterizedRoute } = getParametrizedRoute(normalizedRoute, false, false);
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const { catchAll = true } = options;
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if (parameterizedRoute === '/') {
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let catchAllRegex = catchAll ? '.*' : '';
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return {
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namedRegex: "^/" + catchAllRegex + "$"
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};
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}
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const { namedParameterizedRoute } = getNamedParametrizedRoute(normalizedRoute, false, false, false, false);
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let catchAllGroupedRegex = catchAll ? '(?:(/.*)?)' : '';
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return {
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namedRegex: "^" + namedParameterizedRoute + catchAllGroupedRegex + "$"
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};
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}
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//# sourceMappingURL=route-regex.js.map
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