82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
/**
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* Simple MIME decoder for compose message box
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* Handles basic email content and text direction
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*/
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export function decodeComposeContent(content: string): string {
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if (!content) return '';
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// Simple text direction detection
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const hasRtlChars = /[\u0591-\u07FF\u200F\u202B\u202E\uFB1D-\uFDFD\uFE70-\uFEFC]/.test(content);
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const direction = hasRtlChars ? 'rtl' : 'ltr';
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// Basic HTML cleaning
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let cleaned = content
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// Remove script and style tags
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.replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '')
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.replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '')
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// Remove meta tags
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.replace(/<meta[^>]*>/gi, '')
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// Remove head and title
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.replace(/<head[^>]*>[\s\S]*?<\/head>/gi, '')
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.replace(/<title[^>]*>[\s\S]*?<\/title>/gi, '')
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// Preserve body attributes
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.replace(/<body[^>]*>/gi, (match) => {
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const dir = match.match(/dir=["'](rtl|ltr)["']/i)?.[1] || direction;
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return `<body dir="${dir}">`;
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})
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.replace(/<\/body>/gi, '')
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// Remove html tags
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.replace(/<html[^>]*>/gi, '')
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.replace(/<\/html>/gi, '')
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// Handle basic formatting
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.replace(/<br\s*\/?>/gi, '\n')
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.replace(/<p[^>]*>/gi, '\n')
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.replace(/<\/p>/gi, '\n')
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.replace(/<div[^>]*>/gi, '\n')
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.replace(/<\/div>/gi, '\n')
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// Handle lists
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.replace(/<ul[^>]*>/gi, '\n')
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.replace(/<\/ul>/gi, '\n')
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.replace(/<ol[^>]*>/gi, '\n')
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.replace(/<\/ol>/gi, '\n')
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.replace(/<li[^>]*>/gi, '• ')
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.replace(/<\/li>/gi, '\n')
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// Handle basic text formatting
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.replace(/<strong[^>]*>/gi, '**')
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.replace(/<\/strong>/gi, '**')
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.replace(/<b[^>]*>/gi, '**')
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.replace(/<\/b>/gi, '**')
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.replace(/<em[^>]*>/gi, '*')
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.replace(/<\/em>/gi, '*')
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.replace(/<i[^>]*>/gi, '*')
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.replace(/<\/i>/gi, '*')
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// Handle links
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.replace(/<a[^>]*href="([^"]*)"[^>]*>(.*?)<\/a>/gi, '$2 ($1)')
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// Handle basic entities
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.replace(/ /g, ' ')
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, "'")
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// Clean up whitespace
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.replace(/\s+/g, ' ')
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.trim();
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// Wrap in a div with proper direction
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return `<div dir="${direction}" style="direction: ${direction}; text-align: ${direction === 'rtl' ? 'right' : 'left'}">${cleaned}</div>`;
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}
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export function encodeComposeContent(content: string): string {
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if (!content) return '';
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// Basic HTML encoding
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return content
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''')
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.replace(/\n/g, '<br>');
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}
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