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