cspell-grammar/dist/viewer/escapeMarkdown.js

Grammar parsing support for cspell

const matchHtml = /["'&<>]/g;
const matchMarkdown = /[-"'&<>`*_+[\]()\\|~]/g;
const entityMap = {
    '<': '&lt;',
    '>': '&gt;',
    '&': '&amp;',
    '"': '&quot;',
    "'": '&#39;',
};
const charCodeToEntity = compileEntities(entityMap);
export function escapeMarkdown(text) {
    return _escape(text, matchMarkdown);
}
export function escapeHtml(str) {
    return _escape(str, matchHtml);
}
function _escape(str, r) {
    const cvt = charCodeToEntity;
    let lastIndex = 0;
    let html = '';
    r.lastIndex = 0;
    while (r.test(str)) {
        const i = r.lastIndex - 1;
        html += str.substring(lastIndex, i) + (cvt[str.codePointAt(i) || 0] || '');
        lastIndex = r.lastIndex;
    }
    return html + str.substring(lastIndex);
}
function compileEntities(entityMap) {
    const result = [];
    result.length = 127;
    for (let i = 32; i < 128; ++i) {
        result[i] = `&#${i};`;
    }
    for (const [char, entity] of Object.entries(entityMap)) {
        const index = char.codePointAt(0);
        if (!index)
            continue;
        result[index] = entity;
    }
    return result;
}
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