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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