1 | /**
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2 | * @license
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3 | * Copyright Google Inc. All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | (function (factory) {
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9 | if (typeof module === "object" && typeof module.exports === "object") {
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10 | var v = factory(require, exports);
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11 | if (v !== undefined) module.exports = v;
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12 | }
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13 | else if (typeof define === "function" && define.amd) {
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14 | define("@angular/compiler/src/util", ["require", "exports"], factory);
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15 | }
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16 | })(function (require, exports) {
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17 | ;
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18 | Object.defineProperty(exports, "__esModule", { value: true });
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19 | var DASH_CASE_REGEXP = /-+([a-z0-9])/g;
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20 | function dashCaseToCamelCase(input) {
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21 | return input.replace(DASH_CASE_REGEXP, function () {
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22 | var m = [];
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23 | for (var _i = 0; _i < arguments.length; _i++) {
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24 | m[_i] = arguments[_i];
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25 | }
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26 | return m[1].toUpperCase();
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27 | });
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28 | }
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29 | exports.dashCaseToCamelCase = dashCaseToCamelCase;
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30 | function splitAtColon(input, defaultValues) {
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31 | return _splitAt(input, ':', defaultValues);
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32 | }
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33 | exports.splitAtColon = splitAtColon;
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34 | function splitAtPeriod(input, defaultValues) {
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35 | return _splitAt(input, '.', defaultValues);
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36 | }
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37 | exports.splitAtPeriod = splitAtPeriod;
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38 | function _splitAt(input, character, defaultValues) {
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39 | var characterIndex = input.indexOf(character);
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40 | if (characterIndex == -1)
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41 | return defaultValues;
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42 | return [input.slice(0, characterIndex).trim(), input.slice(characterIndex + 1).trim()];
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43 | }
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44 | function visitValue(value, visitor, context) {
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45 | if (Array.isArray(value)) {
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46 | return visitor.visitArray(value, context);
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47 | }
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48 | if (isStrictStringMap(value)) {
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49 | return visitor.visitStringMap(value, context);
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50 | }
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51 | if (value == null || typeof value == 'string' || typeof value == 'number' ||
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52 | typeof value == 'boolean') {
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53 | return visitor.visitPrimitive(value, context);
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54 | }
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55 | return visitor.visitOther(value, context);
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56 | }
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57 | exports.visitValue = visitValue;
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58 | function isDefined(val) {
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59 | return val !== null && val !== undefined;
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60 | }
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61 | exports.isDefined = isDefined;
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62 | function noUndefined(val) {
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63 | return val === undefined ? null : val;
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64 | }
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65 | exports.noUndefined = noUndefined;
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66 | var ValueTransformer = /** @class */ (function () {
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67 | function ValueTransformer() {
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68 | }
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69 | ValueTransformer.prototype.visitArray = function (arr, context) {
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70 | var _this = this;
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71 | return arr.map(function (value) { return visitValue(value, _this, context); });
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72 | };
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73 | ValueTransformer.prototype.visitStringMap = function (map, context) {
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74 | var _this = this;
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75 | var result = {};
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76 | Object.keys(map).forEach(function (key) { result[key] = visitValue(map[key], _this, context); });
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77 | return result;
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78 | };
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79 | ValueTransformer.prototype.visitPrimitive = function (value, context) { return value; };
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80 | ValueTransformer.prototype.visitOther = function (value, context) { return value; };
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81 | return ValueTransformer;
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82 | }());
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83 | exports.ValueTransformer = ValueTransformer;
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84 | exports.SyncAsync = {
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85 | assertSync: function (value) {
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86 | if (isPromise(value)) {
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87 | throw new Error("Illegal state: value cannot be a promise");
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88 | }
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89 | return value;
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90 | },
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91 | then: function (value, cb) { return isPromise(value) ? value.then(cb) : cb(value); },
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92 | all: function (syncAsyncValues) {
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93 | return syncAsyncValues.some(isPromise) ? Promise.all(syncAsyncValues) : syncAsyncValues;
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94 | }
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95 | };
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96 | function error(msg) {
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97 | throw new Error("Internal Error: " + msg);
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98 | }
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99 | exports.error = error;
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100 | function syntaxError(msg, parseErrors) {
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101 | var error = Error(msg);
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102 | error[ERROR_SYNTAX_ERROR] = true;
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103 | if (parseErrors)
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104 | error[ERROR_PARSE_ERRORS] = parseErrors;
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105 | return error;
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106 | }
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107 | exports.syntaxError = syntaxError;
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108 | var ERROR_SYNTAX_ERROR = 'ngSyntaxError';
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109 | var ERROR_PARSE_ERRORS = 'ngParseErrors';
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110 | function isSyntaxError(error) {
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111 | return error[ERROR_SYNTAX_ERROR];
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112 | }
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113 | exports.isSyntaxError = isSyntaxError;
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114 | function getParseErrors(error) {
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115 | return error[ERROR_PARSE_ERRORS] || [];
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116 | }
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117 | exports.getParseErrors = getParseErrors;
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118 | // Escape characters that have a special meaning in Regular Expressions
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119 | function escapeRegExp(s) {
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120 | return s.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
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121 | }
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122 | exports.escapeRegExp = escapeRegExp;
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123 | var STRING_MAP_PROTO = Object.getPrototypeOf({});
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124 | function isStrictStringMap(obj) {
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125 | return typeof obj === 'object' && obj !== null && Object.getPrototypeOf(obj) === STRING_MAP_PROTO;
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126 | }
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127 | function utf8Encode(str) {
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128 | var encoded = '';
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129 | for (var index = 0; index < str.length; index++) {
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130 | var codePoint = str.charCodeAt(index);
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131 | // decode surrogate
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132 | // see https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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133 | if (codePoint >= 0xd800 && codePoint <= 0xdbff && str.length > (index + 1)) {
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134 | var low = str.charCodeAt(index + 1);
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135 | if (low >= 0xdc00 && low <= 0xdfff) {
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136 | index++;
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137 | codePoint = ((codePoint - 0xd800) << 10) + low - 0xdc00 + 0x10000;
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138 | }
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139 | }
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140 | if (codePoint <= 0x7f) {
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141 | encoded += String.fromCharCode(codePoint);
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142 | }
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143 | else if (codePoint <= 0x7ff) {
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144 | encoded += String.fromCharCode(((codePoint >> 6) & 0x1F) | 0xc0, (codePoint & 0x3f) | 0x80);
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145 | }
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146 | else if (codePoint <= 0xffff) {
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147 | encoded += String.fromCharCode((codePoint >> 12) | 0xe0, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
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148 | }
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149 | else if (codePoint <= 0x1fffff) {
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150 | encoded += String.fromCharCode(((codePoint >> 18) & 0x07) | 0xf0, ((codePoint >> 12) & 0x3f) | 0x80, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);
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151 | }
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152 | }
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153 | return encoded;
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154 | }
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155 | exports.utf8Encode = utf8Encode;
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156 | function stringify(token) {
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157 | if (typeof token === 'string') {
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158 | return token;
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159 | }
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160 | if (Array.isArray(token)) {
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161 | return '[' + token.map(stringify).join(', ') + ']';
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162 | }
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163 | if (token == null) {
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164 | return '' + token;
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165 | }
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166 | if (token.overriddenName) {
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167 | return "" + token.overriddenName;
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168 | }
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169 | if (token.name) {
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170 | return "" + token.name;
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171 | }
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172 | if (!token.toString) {
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173 | return 'object';
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174 | }
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175 | // WARNING: do not try to `JSON.stringify(token)` here
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176 | // see https://github.com/angular/angular/issues/23440
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177 | var res = token.toString();
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178 | if (res == null) {
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179 | return '' + res;
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180 | }
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181 | var newLineIndex = res.indexOf('\n');
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182 | return newLineIndex === -1 ? res : res.substring(0, newLineIndex);
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183 | }
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184 | exports.stringify = stringify;
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185 | /**
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186 | * Lazily retrieves the reference value from a forwardRef.
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187 | */
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188 | function resolveForwardRef(type) {
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189 | if (typeof type === 'function' && type.hasOwnProperty('__forward_ref__')) {
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190 | return type();
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191 | }
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192 | else {
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193 | return type;
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194 | }
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195 | }
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196 | exports.resolveForwardRef = resolveForwardRef;
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197 | /**
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198 | * Determine if the argument is shaped like a Promise
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199 | */
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200 | function isPromise(obj) {
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201 | // allow any Promise/A+ compliant thenable.
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202 | // It's up to the caller to ensure that obj.then conforms to the spec
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203 | return !!obj && typeof obj.then === 'function';
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204 | }
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205 | exports.isPromise = isPromise;
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206 | var Version = /** @class */ (function () {
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207 | function Version(full) {
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208 | this.full = full;
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209 | var splits = full.split('.');
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210 | this.major = splits[0];
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211 | this.minor = splits[1];
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212 | this.patch = splits.slice(2).join('.');
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213 | }
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214 | return Version;
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215 | }());
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216 | exports.Version = Version;
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217 | var __window = typeof window !== 'undefined' && window;
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218 | var __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&
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219 | self instanceof WorkerGlobalScope && self;
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220 | var __global = typeof global !== 'undefined' && global;
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221 | // Check __global first, because in Node tests both __global and __window may be defined and _global
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222 | // should be __global in that case.
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223 | var _global = __global || __window || __self;
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224 | exports.global = _global;
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225 | function newArray(size, value) {
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226 | var list = [];
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227 | for (var i = 0; i < size; i++) {
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228 | list.push(value);
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229 | }
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230 | return list;
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231 | }
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232 | exports.newArray = newArray;
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233 | });
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