| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | exports.escapeText = exports.escapeAttribute = exports.escapeUTF8 = exports.escape = exports.encodeXML = exports.getCodePoint = exports.xmlReplacer = void 0;
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| 4 | exports.xmlReplacer = /["&'<>$\x80-\uFFFF]/g;
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| 5 | var xmlCodeMap = new Map([
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| 6 | [34, """],
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| 7 | [38, "&"],
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| 8 | [39, "'"],
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| 9 | [60, "<"],
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| 10 | [62, ">"],
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| 11 | ]);
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| 12 | // For compatibility with node < 4, we wrap `codePointAt`
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| 13 | exports.getCodePoint =
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| 14 | // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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| 15 | String.prototype.codePointAt != null
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| 16 | ? function (str, index) { return str.codePointAt(index); }
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| 17 | : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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| 18 | function (c, index) {
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| 19 | return (c.charCodeAt(index) & 0xfc00) === 0xd800
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| 20 | ? (c.charCodeAt(index) - 0xd800) * 0x400 +
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| 21 | c.charCodeAt(index + 1) -
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| 22 | 0xdc00 +
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| 23 | 0x10000
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| 24 | : c.charCodeAt(index);
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| 25 | };
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| 26 | /**
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| 27 | * Encodes all non-ASCII characters, as well as characters not valid in XML
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| 28 | * documents using XML entities.
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| 29 | *
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| 30 | * If a character has no equivalent entity, a
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| 31 | * numeric hexadecimal reference (eg. `ü`) will be used.
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| 32 | */
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| 33 | function encodeXML(str) {
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| 34 | var ret = "";
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| 35 | var lastIdx = 0;
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| 36 | var match;
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| 37 | while ((match = exports.xmlReplacer.exec(str)) !== null) {
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| 38 | var i = match.index;
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| 39 | var char = str.charCodeAt(i);
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| 40 | var next = xmlCodeMap.get(char);
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| 41 | if (next !== undefined) {
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| 42 | ret += str.substring(lastIdx, i) + next;
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| 43 | lastIdx = i + 1;
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| 44 | }
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| 45 | else {
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| 46 | ret += "".concat(str.substring(lastIdx, i), "&#x").concat((0, exports.getCodePoint)(str, i).toString(16), ";");
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| 47 | // Increase by 1 if we have a surrogate pair
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| 48 | lastIdx = exports.xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800);
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| 49 | }
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| 50 | }
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| 51 | return ret + str.substr(lastIdx);
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| 52 | }
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| 53 | exports.encodeXML = encodeXML;
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| 54 | /**
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| 55 | * Encodes all non-ASCII characters, as well as characters not valid in XML
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| 56 | * documents using numeric hexadecimal reference (eg. `ü`).
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| 57 | *
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| 58 | * Have a look at `escapeUTF8` if you want a more concise output at the expense
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| 59 | * of reduced transportability.
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| 60 | *
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| 61 | * @param data String to escape.
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| 62 | */
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| 63 | exports.escape = encodeXML;
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| 64 | /**
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| 65 | * Creates a function that escapes all characters matched by the given regular
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| 66 | * expression using the given map of characters to escape to their entities.
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| 67 | *
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| 68 | * @param regex Regular expression to match characters to escape.
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| 69 | * @param map Map of characters to escape to their entities.
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| 70 | *
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| 71 | * @returns Function that escapes all characters matched by the given regular
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| 72 | * expression using the given map of characters to escape to their entities.
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| 73 | */
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| 74 | function getEscaper(regex, map) {
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| 75 | return function escape(data) {
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| 76 | var match;
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| 77 | var lastIdx = 0;
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| 78 | var result = "";
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| 79 | while ((match = regex.exec(data))) {
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| 80 | if (lastIdx !== match.index) {
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| 81 | result += data.substring(lastIdx, match.index);
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| 82 | }
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| 83 | // We know that this character will be in the map.
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| 84 | result += map.get(match[0].charCodeAt(0));
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| 85 | // Every match will be of length 1
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| 86 | lastIdx = match.index + 1;
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| 87 | }
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| 88 | return result + data.substring(lastIdx);
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| 89 | };
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| 90 | }
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| 91 | /**
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| 92 | * Encodes all characters not valid in XML documents using XML entities.
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| 93 | *
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| 94 | * Note that the output will be character-set dependent.
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| 95 | *
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| 96 | * @param data String to escape.
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| 97 | */
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| 98 | exports.escapeUTF8 = getEscaper(/[&<>'"]/g, xmlCodeMap);
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| 99 | /**
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| 100 | * Encodes all characters that have to be escaped in HTML attributes,
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| 101 | * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
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| 102 | *
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| 103 | * @param data String to escape.
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| 104 | */
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| 105 | exports.escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([
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| 106 | [34, """],
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| 107 | [38, "&"],
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| 108 | [160, " "],
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| 109 | ]));
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| 110 | /**
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| 111 | * Encodes all characters that have to be escaped in HTML text,
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| 112 | * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
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| 113 | *
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| 114 | * @param data String to escape.
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| 115 | */
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| 116 | exports.escapeText = getEscaper(/[&<>\u00A0]/g, new Map([
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| 117 | [38, "&"],
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| 118 | [60, "<"],
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| 119 | [62, ">"],
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| 120 | [160, " "],
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| 121 | ]));
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| 122 | //# sourceMappingURL=escape.js.map |
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