1 | "use strict";
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2 | var __importDefault = (this && this.__importDefault) || function (mod) {
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3 | return (mod && mod.__esModule) ? mod : { "default": mod };
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4 | };
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5 | Object.defineProperty(exports, "__esModule", { value: true });
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6 | exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = void 0;
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7 | var xml_json_1 = __importDefault(require("./maps/xml.json"));
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8 | var inverseXML = getInverseObj(xml_json_1.default);
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9 | var xmlReplacer = getInverseReplacer(inverseXML);
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10 | /**
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11 | * Encodes all non-ASCII characters, as well as characters not valid in XML
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12 | * documents using XML entities.
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13 | *
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14 | * If a character has no equivalent entity, a
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15 | * numeric hexadecimal reference (eg. `ü`) will be used.
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16 | */
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17 | exports.encodeXML = getASCIIEncoder(inverseXML);
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18 | var entities_json_1 = __importDefault(require("./maps/entities.json"));
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19 | var inverseHTML = getInverseObj(entities_json_1.default);
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20 | var htmlReplacer = getInverseReplacer(inverseHTML);
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21 | /**
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22 | * Encodes all entities and non-ASCII characters in the input.
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23 | *
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24 | * This includes characters that are valid ASCII characters in HTML documents.
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25 | * For example `#` will be encoded as `#`. To get a more compact output,
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26 | * consider using the `encodeNonAsciiHTML` function.
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27 | *
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28 | * If a character has no equivalent entity, a
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29 | * numeric hexadecimal reference (eg. `ü`) will be used.
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30 | */
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31 | exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
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32 | /**
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33 | * Encodes all non-ASCII characters, as well as characters not valid in HTML
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34 | * documents using HTML entities.
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35 | *
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36 | * If a character has no equivalent entity, a
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37 | * numeric hexadecimal reference (eg. `ü`) will be used.
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38 | */
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39 | exports.encodeNonAsciiHTML = getASCIIEncoder(inverseHTML);
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40 | function getInverseObj(obj) {
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41 | return Object.keys(obj)
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42 | .sort()
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43 | .reduce(function (inverse, name) {
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44 | inverse[obj[name]] = "&" + name + ";";
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45 | return inverse;
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46 | }, {});
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47 | }
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48 | function getInverseReplacer(inverse) {
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49 | var single = [];
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50 | var multiple = [];
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51 | for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) {
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52 | var k = _a[_i];
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53 | if (k.length === 1) {
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54 | // Add value to single array
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55 | single.push("\\" + k);
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56 | }
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57 | else {
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58 | // Add value to multiple array
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59 | multiple.push(k);
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60 | }
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61 | }
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62 | // Add ranges to single characters.
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63 | single.sort();
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64 | for (var start = 0; start < single.length - 1; start++) {
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65 | // Find the end of a run of characters
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66 | var end = start;
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67 | while (end < single.length - 1 &&
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68 | single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) {
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69 | end += 1;
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70 | }
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71 | var count = 1 + end - start;
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72 | // We want to replace at least three characters
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73 | if (count < 3)
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74 | continue;
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75 | single.splice(start, count, single[start] + "-" + single[end]);
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76 | }
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77 | multiple.unshift("[" + single.join("") + "]");
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78 | return new RegExp(multiple.join("|"), "g");
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79 | }
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80 | // /[^\0-\x7F]/gu
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81 | var reNonASCII = /(?:[\x80-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g;
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82 | var getCodePoint =
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83 | // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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84 | String.prototype.codePointAt != null
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85 | ? // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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86 | function (str) { return str.codePointAt(0); }
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87 | : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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88 | function (c) {
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89 | return (c.charCodeAt(0) - 0xd800) * 0x400 +
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90 | c.charCodeAt(1) -
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91 | 0xdc00 +
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92 | 0x10000;
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93 | };
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94 | function singleCharReplacer(c) {
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95 | return "&#x" + (c.length > 1 ? getCodePoint(c) : c.charCodeAt(0))
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96 | .toString(16)
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97 | .toUpperCase() + ";";
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98 | }
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99 | function getInverse(inverse, re) {
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100 | return function (data) {
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101 | return data
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102 | .replace(re, function (name) { return inverse[name]; })
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103 | .replace(reNonASCII, singleCharReplacer);
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104 | };
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105 | }
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106 | var reEscapeChars = new RegExp(xmlReplacer.source + "|" + reNonASCII.source, "g");
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107 | /**
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108 | * Encodes all non-ASCII characters, as well as characters not valid in XML
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109 | * documents using numeric hexadecimal reference (eg. `ü`).
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110 | *
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111 | * Have a look at `escapeUTF8` if you want a more concise output at the expense
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112 | * of reduced transportability.
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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 | function escape(data) {
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117 | return data.replace(reEscapeChars, singleCharReplacer);
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118 | }
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119 | exports.escape = escape;
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120 | /**
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121 | * Encodes all characters not valid in XML documents using numeric hexadecimal
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122 | * reference (eg. `ü`).
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123 | *
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124 | * Note that the output will be character-set dependent.
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125 | *
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126 | * @param data String to escape.
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127 | */
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128 | function escapeUTF8(data) {
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129 | return data.replace(xmlReplacer, singleCharReplacer);
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130 | }
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131 | exports.escapeUTF8 = escapeUTF8;
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132 | function getASCIIEncoder(obj) {
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133 | return function (data) {
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134 | return data.replace(reEscapeChars, function (c) { return obj[c] || singleCharReplacer(c); });
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135 | };
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136 | }
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