iconFont_create/node_modules/entities/lib/esm/escape.js

export const xmlReplacer = /["&'<>$\x80-\uFFFF]/g;
const xmlCodeMap = new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [39, "&apos;"],
    [60, "&lt;"],
    [62, "&gt;"],
]);
// For compatibility with node < 4, we wrap `codePointAt`
export const getCodePoint = 
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
String.prototype.codePointAt != null
    ? (str, index) => str.codePointAt(index)
    : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
        (c, index) => (c.charCodeAt(index) & 0xfc00) === 0xd800
            ? (c.charCodeAt(index) - 0xd800) * 0x400 +
                c.charCodeAt(index + 1) -
                0xdc00 +
                0x10000
            : c.charCodeAt(index);
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using XML entities.
 *
 * If a character has no equivalent entity, a
 * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
 */
export function encodeXML(str) {
    let ret = "";
    let lastIdx = 0;
    let match;
    while ((match = xmlReplacer.exec(str)) !== null) {
        const i = match.index;
        const char = str.charCodeAt(i);
        const next = xmlCodeMap.get(char);
        if (next !== undefined) {
            ret += str.substring(lastIdx, i) + next;
            lastIdx = i + 1;
        }
        else {
            ret += `${str.substring(lastIdx, i)}&#x${getCodePoint(str, i).toString(16)};`;
            // Increase by 1 if we have a surrogate pair
            lastIdx = xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800);
        }
    }
    return ret + str.substr(lastIdx);
}
/**
 * Encodes all non-ASCII characters, as well as characters not valid in XML
 * documents using numeric hexadecimal reference (eg. `&#xfc;`).
 *
 * Have a look at `escapeUTF8` if you want a more concise output at the expense
 * of reduced transportability.
 *
 * @param data String to escape.
 */
export const escape = encodeXML;
function getEscaper(regex, map) {
    return function escape(data) {
        let match;
        let lastIdx = 0;
        let result = "";
        while ((match = regex.exec(data))) {
            if (lastIdx !== match.index) {
                result += data.substring(lastIdx, match.index);
            }
            // We know that this chararcter will be in the map.
            result += map.get(match[0].charCodeAt(0));
            // Every match will be of length 1
            lastIdx = match.index + 1;
        }
        return result + data.substring(lastIdx);
    };
}
/**
 * Encodes all characters not valid in XML documents using XML entities.
 *
 * Note that the output will be character-set dependent.
 *
 * @param data String to escape.
 */
export const escapeUTF8 = getEscaper(/[&<>'"]/g, xmlCodeMap);
/**
 * Encodes all characters that have to be escaped in HTML attributes,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
export const escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([
    [34, "&quot;"],
    [38, "&amp;"],
    [160, "&nbsp;"],
]));
/**
 * Encodes all characters that have to be escaped in HTML text,
 * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
 *
 * @param data String to escape.
 */
export const escapeText = getEscaper(/[&<>\u00A0]/g, new Map([
    [38, "&amp;"],
    [60, "&lt;"],
    [62, "&gt;"],
    [160, "&nbsp;"],
]));
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