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1 /** @license React v16.8.4 |
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2 * react.development.js |
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3 * |
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4 * Copyright (c) Facebook, Inc. and its affiliates. |
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5 * |
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6 * This source code is licensed under the MIT license found in the |
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7 * LICENSE file in the root directory of this source tree. |
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8 */ |
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9 |
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10 'use strict'; |
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11 |
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12 (function (global, factory) { |
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13 typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : |
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14 typeof define === 'function' && define.amd ? define(factory) : |
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15 (global.React = factory()); |
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16 }(this, (function () { 'use strict'; |
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17 |
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18 // TODO: this is special because it gets imported during build. |
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19 |
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20 var ReactVersion = '16.8.4'; |
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21 |
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22 // The Symbol used to tag the ReactElement-like types. If there is no native Symbol |
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23 // nor polyfill, then a plain number is used for performance. |
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24 var hasSymbol = typeof Symbol === 'function' && Symbol.for; |
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25 |
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26 var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7; |
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27 var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca; |
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28 var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb; |
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29 var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc; |
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30 var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2; |
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31 var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd; |
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32 var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; |
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33 |
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34 var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf; |
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35 var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0; |
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36 var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1; |
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37 var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3; |
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38 var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4; |
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39 |
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40 var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; |
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41 var FAUX_ITERATOR_SYMBOL = '@@iterator'; |
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42 |
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43 function getIteratorFn(maybeIterable) { |
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44 if (maybeIterable === null || typeof maybeIterable !== 'object') { |
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45 return null; |
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46 } |
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47 var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]; |
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48 if (typeof maybeIterator === 'function') { |
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49 return maybeIterator; |
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50 } |
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51 return null; |
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52 } |
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53 |
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54 /* |
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55 object-assign |
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56 (c) Sindre Sorhus |
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57 @license MIT |
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58 */ |
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59 |
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60 |
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61 /* eslint-disable no-unused-vars */ |
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62 var getOwnPropertySymbols = Object.getOwnPropertySymbols; |
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63 var hasOwnProperty = Object.prototype.hasOwnProperty; |
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64 var propIsEnumerable = Object.prototype.propertyIsEnumerable; |
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65 |
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66 function toObject(val) { |
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67 if (val === null || val === undefined) { |
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68 throw new TypeError('Object.assign cannot be called with null or undefined'); |
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69 } |
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70 |
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71 return Object(val); |
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72 } |
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73 |
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74 function shouldUseNative() { |
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75 try { |
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76 if (!Object.assign) { |
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77 return false; |
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78 } |
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79 |
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80 // Detect buggy property enumeration order in older V8 versions. |
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81 |
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82 // https://bugs.chromium.org/p/v8/issues/detail?id=4118 |
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83 var test1 = new String('abc'); // eslint-disable-line no-new-wrappers |
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84 test1[5] = 'de'; |
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85 if (Object.getOwnPropertyNames(test1)[0] === '5') { |
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86 return false; |
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87 } |
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88 |
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89 // https://bugs.chromium.org/p/v8/issues/detail?id=3056 |
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90 var test2 = {}; |
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91 for (var i = 0; i < 10; i++) { |
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92 test2['_' + String.fromCharCode(i)] = i; |
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93 } |
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94 var order2 = Object.getOwnPropertyNames(test2).map(function (n) { |
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95 return test2[n]; |
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96 }); |
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97 if (order2.join('') !== '0123456789') { |
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98 return false; |
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99 } |
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100 |
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101 // https://bugs.chromium.org/p/v8/issues/detail?id=3056 |
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102 var test3 = {}; |
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103 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { |
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104 test3[letter] = letter; |
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105 }); |
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106 if (Object.keys(Object.assign({}, test3)).join('') !== |
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107 'abcdefghijklmnopqrst') { |
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108 return false; |
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109 } |
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110 |
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111 return true; |
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112 } catch (err) { |
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113 // We don't expect any of the above to throw, but better to be safe. |
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114 return false; |
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115 } |
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116 } |
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117 |
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118 var objectAssign = shouldUseNative() ? Object.assign : function (target, source) { |
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119 var from; |
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120 var to = toObject(target); |
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121 var symbols; |
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122 |
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123 for (var s = 1; s < arguments.length; s++) { |
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124 from = Object(arguments[s]); |
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125 |
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126 for (var key in from) { |
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127 if (hasOwnProperty.call(from, key)) { |
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128 to[key] = from[key]; |
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129 } |
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130 } |
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131 |
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132 if (getOwnPropertySymbols) { |
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133 symbols = getOwnPropertySymbols(from); |
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134 for (var i = 0; i < symbols.length; i++) { |
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135 if (propIsEnumerable.call(from, symbols[i])) { |
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136 to[symbols[i]] = from[symbols[i]]; |
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137 } |
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138 } |
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139 } |
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140 } |
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141 |
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142 return to; |
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143 }; |
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144 |
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145 /** |
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146 * Use invariant() to assert state which your program assumes to be true. |
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147 * |
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148 * Provide sprintf-style format (only %s is supported) and arguments |
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149 * to provide information about what broke and what you were |
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150 * expecting. |
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151 * |
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152 * The invariant message will be stripped in production, but the invariant |
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153 * will remain to ensure logic does not differ in production. |
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154 */ |
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155 |
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156 var validateFormat = function () {}; |
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157 |
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158 { |
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159 validateFormat = function (format) { |
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160 if (format === undefined) { |
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161 throw new Error('invariant requires an error message argument'); |
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162 } |
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163 }; |
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164 } |
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165 |
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166 function invariant(condition, format, a, b, c, d, e, f) { |
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167 validateFormat(format); |
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168 |
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169 if (!condition) { |
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170 var error = void 0; |
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171 if (format === undefined) { |
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172 error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.'); |
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173 } else { |
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174 var args = [a, b, c, d, e, f]; |
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175 var argIndex = 0; |
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176 error = new Error(format.replace(/%s/g, function () { |
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177 return args[argIndex++]; |
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178 })); |
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179 error.name = 'Invariant Violation'; |
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180 } |
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181 |
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182 error.framesToPop = 1; // we don't care about invariant's own frame |
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183 throw error; |
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184 } |
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185 } |
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186 |
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187 // Relying on the `invariant()` implementation lets us |
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188 // preserve the format and params in the www builds. |
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189 |
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190 /** |
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191 * Forked from fbjs/warning: |
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192 * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js |
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193 * |
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194 * Only change is we use console.warn instead of console.error, |
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195 * and do nothing when 'console' is not supported. |
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196 * This really simplifies the code. |
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197 * --- |
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198 * Similar to invariant but only logs a warning if the condition is not met. |
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199 * This can be used to log issues in development environments in critical |
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200 * paths. Removing the logging code for production environments will keep the |
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201 * same logic and follow the same code paths. |
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202 */ |
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203 |
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204 var lowPriorityWarning = function () {}; |
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205 |
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206 { |
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207 var printWarning = function (format) { |
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208 for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { |
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209 args[_key - 1] = arguments[_key]; |
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210 } |
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211 |
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212 var argIndex = 0; |
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213 var message = 'Warning: ' + format.replace(/%s/g, function () { |
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214 return args[argIndex++]; |
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215 }); |
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216 if (typeof console !== 'undefined') { |
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217 console.warn(message); |
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218 } |
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219 try { |
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220 // --- Welcome to debugging React --- |
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221 // This error was thrown as a convenience so that you can use this stack |
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222 // to find the callsite that caused this warning to fire. |
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223 throw new Error(message); |
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224 } catch (x) {} |
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225 }; |
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226 |
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227 lowPriorityWarning = function (condition, format) { |
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228 if (format === undefined) { |
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229 throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument'); |
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230 } |
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231 if (!condition) { |
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232 for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) { |
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233 args[_key2 - 2] = arguments[_key2]; |
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234 } |
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235 |
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236 printWarning.apply(undefined, [format].concat(args)); |
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237 } |
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238 }; |
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239 } |
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240 |
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241 var lowPriorityWarning$1 = lowPriorityWarning; |
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242 |
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243 /** |
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244 * Similar to invariant but only logs a warning if the condition is not met. |
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245 * This can be used to log issues in development environments in critical |
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246 * paths. Removing the logging code for production environments will keep the |
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247 * same logic and follow the same code paths. |
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248 */ |
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249 |
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250 var warningWithoutStack = function () {}; |
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251 |
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252 { |
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253 warningWithoutStack = function (condition, format) { |
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254 for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) { |
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255 args[_key - 2] = arguments[_key]; |
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256 } |
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257 |
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258 if (format === undefined) { |
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259 throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument'); |
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260 } |
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261 if (args.length > 8) { |
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262 // Check before the condition to catch violations early. |
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263 throw new Error('warningWithoutStack() currently supports at most 8 arguments.'); |
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264 } |
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265 if (condition) { |
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266 return; |
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267 } |
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268 if (typeof console !== 'undefined') { |
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269 var argsWithFormat = args.map(function (item) { |
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270 return '' + item; |
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271 }); |
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272 argsWithFormat.unshift('Warning: ' + format); |
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273 |
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274 // We intentionally don't use spread (or .apply) directly because it |
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275 // breaks IE9: https://github.com/facebook/react/issues/13610 |
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276 Function.prototype.apply.call(console.error, console, argsWithFormat); |
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277 } |
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278 try { |
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279 // --- Welcome to debugging React --- |
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280 // This error was thrown as a convenience so that you can use this stack |
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281 // to find the callsite that caused this warning to fire. |
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282 var argIndex = 0; |
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283 var message = 'Warning: ' + format.replace(/%s/g, function () { |
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284 return args[argIndex++]; |
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285 }); |
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286 throw new Error(message); |
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287 } catch (x) {} |
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288 }; |
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289 } |
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290 |
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291 var warningWithoutStack$1 = warningWithoutStack; |
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292 |
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293 var didWarnStateUpdateForUnmountedComponent = {}; |
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294 |
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295 function warnNoop(publicInstance, callerName) { |
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296 { |
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297 var _constructor = publicInstance.constructor; |
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298 var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass'; |
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299 var warningKey = componentName + '.' + callerName; |
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300 if (didWarnStateUpdateForUnmountedComponent[warningKey]) { |
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301 return; |
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302 } |
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303 warningWithoutStack$1(false, "Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName); |
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304 didWarnStateUpdateForUnmountedComponent[warningKey] = true; |
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305 } |
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306 } |
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307 |
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308 /** |
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309 * This is the abstract API for an update queue. |
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310 */ |
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311 var ReactNoopUpdateQueue = { |
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312 /** |
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313 * Checks whether or not this composite component is mounted. |
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314 * @param {ReactClass} publicInstance The instance we want to test. |
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315 * @return {boolean} True if mounted, false otherwise. |
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316 * @protected |
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317 * @final |
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318 */ |
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319 isMounted: function (publicInstance) { |
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320 return false; |
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321 }, |
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322 |
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323 /** |
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324 * Forces an update. This should only be invoked when it is known with |
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325 * certainty that we are **not** in a DOM transaction. |
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326 * |
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327 * You may want to call this when you know that some deeper aspect of the |
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328 * component's state has changed but `setState` was not called. |
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329 * |
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330 * This will not invoke `shouldComponentUpdate`, but it will invoke |
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331 * `componentWillUpdate` and `componentDidUpdate`. |
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332 * |
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333 * @param {ReactClass} publicInstance The instance that should rerender. |
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334 * @param {?function} callback Called after component is updated. |
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335 * @param {?string} callerName name of the calling function in the public API. |
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336 * @internal |
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337 */ |
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338 enqueueForceUpdate: function (publicInstance, callback, callerName) { |
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339 warnNoop(publicInstance, 'forceUpdate'); |
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340 }, |
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341 |
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342 /** |
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343 * Replaces all of the state. Always use this or `setState` to mutate state. |
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344 * You should treat `this.state` as immutable. |
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345 * |
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346 * There is no guarantee that `this.state` will be immediately updated, so |
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347 * accessing `this.state` after calling this method may return the old value. |
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348 * |
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349 * @param {ReactClass} publicInstance The instance that should rerender. |
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350 * @param {object} completeState Next state. |
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351 * @param {?function} callback Called after component is updated. |
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352 * @param {?string} callerName name of the calling function in the public API. |
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353 * @internal |
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354 */ |
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355 enqueueReplaceState: function (publicInstance, completeState, callback, callerName) { |
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356 warnNoop(publicInstance, 'replaceState'); |
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357 }, |
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358 |
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359 /** |
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360 * Sets a subset of the state. This only exists because _pendingState is |
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361 * internal. This provides a merging strategy that is not available to deep |
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362 * properties which is confusing. TODO: Expose pendingState or don't use it |
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363 * during the merge. |
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364 * |
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365 * @param {ReactClass} publicInstance The instance that should rerender. |
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366 * @param {object} partialState Next partial state to be merged with state. |
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367 * @param {?function} callback Called after component is updated. |
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368 * @param {?string} Name of the calling function in the public API. |
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369 * @internal |
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370 */ |
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371 enqueueSetState: function (publicInstance, partialState, callback, callerName) { |
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372 warnNoop(publicInstance, 'setState'); |
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373 } |
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374 }; |
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375 |
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376 var emptyObject = {}; |
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377 { |
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378 Object.freeze(emptyObject); |
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379 } |
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380 |
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381 /** |
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382 * Base class helpers for the updating state of a component. |
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383 */ |
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384 function Component(props, context, updater) { |
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385 this.props = props; |
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386 this.context = context; |
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387 // If a component has string refs, we will assign a different object later. |
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388 this.refs = emptyObject; |
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389 // We initialize the default updater but the real one gets injected by the |
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390 // renderer. |
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391 this.updater = updater || ReactNoopUpdateQueue; |
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392 } |
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393 |
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394 Component.prototype.isReactComponent = {}; |
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395 |
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396 /** |
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397 * Sets a subset of the state. Always use this to mutate |
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398 * state. You should treat `this.state` as immutable. |
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399 * |
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400 * There is no guarantee that `this.state` will be immediately updated, so |
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401 * accessing `this.state` after calling this method may return the old value. |
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402 * |
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403 * There is no guarantee that calls to `setState` will run synchronously, |
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404 * as they may eventually be batched together. You can provide an optional |
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405 * callback that will be executed when the call to setState is actually |
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406 * completed. |
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407 * |
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408 * When a function is provided to setState, it will be called at some point in |
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409 * the future (not synchronously). It will be called with the up to date |
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410 * component arguments (state, props, context). These values can be different |
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411 * from this.* because your function may be called after receiveProps but before |
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412 * shouldComponentUpdate, and this new state, props, and context will not yet be |
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413 * assigned to this. |
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414 * |
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415 * @param {object|function} partialState Next partial state or function to |
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416 * produce next partial state to be merged with current state. |
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417 * @param {?function} callback Called after state is updated. |
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418 * @final |
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419 * @protected |
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420 */ |
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421 Component.prototype.setState = function (partialState, callback) { |
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422 !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0; |
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423 this.updater.enqueueSetState(this, partialState, callback, 'setState'); |
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424 }; |
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425 |
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426 /** |
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427 * Forces an update. This should only be invoked when it is known with |
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428 * certainty that we are **not** in a DOM transaction. |
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429 * |
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430 * You may want to call this when you know that some deeper aspect of the |
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431 * component's state has changed but `setState` was not called. |
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432 * |
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433 * This will not invoke `shouldComponentUpdate`, but it will invoke |
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434 * `componentWillUpdate` and `componentDidUpdate`. |
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435 * |
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436 * @param {?function} callback Called after update is complete. |
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437 * @final |
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438 * @protected |
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439 */ |
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440 Component.prototype.forceUpdate = function (callback) { |
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441 this.updater.enqueueForceUpdate(this, callback, 'forceUpdate'); |
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442 }; |
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443 |
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444 /** |
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445 * Deprecated APIs. These APIs used to exist on classic React classes but since |
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446 * we would like to deprecate them, we're not going to move them over to this |
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447 * modern base class. Instead, we define a getter that warns if it's accessed. |
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448 */ |
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449 { |
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450 var deprecatedAPIs = { |
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451 isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'], |
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452 replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).'] |
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453 }; |
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454 var defineDeprecationWarning = function (methodName, info) { |
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455 Object.defineProperty(Component.prototype, methodName, { |
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456 get: function () { |
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457 lowPriorityWarning$1(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]); |
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458 return undefined; |
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459 } |
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460 }); |
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461 }; |
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462 for (var fnName in deprecatedAPIs) { |
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463 if (deprecatedAPIs.hasOwnProperty(fnName)) { |
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464 defineDeprecationWarning(fnName, deprecatedAPIs[fnName]); |
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465 } |
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466 } |
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467 } |
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468 |
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469 function ComponentDummy() {} |
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470 ComponentDummy.prototype = Component.prototype; |
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471 |
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472 /** |
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473 * Convenience component with default shallow equality check for sCU. |
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474 */ |
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475 function PureComponent(props, context, updater) { |
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476 this.props = props; |
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477 this.context = context; |
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478 // If a component has string refs, we will assign a different object later. |
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479 this.refs = emptyObject; |
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480 this.updater = updater || ReactNoopUpdateQueue; |
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481 } |
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482 |
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483 var pureComponentPrototype = PureComponent.prototype = new ComponentDummy(); |
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484 pureComponentPrototype.constructor = PureComponent; |
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485 // Avoid an extra prototype jump for these methods. |
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486 objectAssign(pureComponentPrototype, Component.prototype); |
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487 pureComponentPrototype.isPureReactComponent = true; |
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488 |
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489 // an immutable object with a single mutable value |
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490 function createRef() { |
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491 var refObject = { |
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492 current: null |
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493 }; |
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494 { |
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495 Object.seal(refObject); |
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496 } |
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497 return refObject; |
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498 } |
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499 |
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500 var enableSchedulerDebugging = false; |
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501 |
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502 /* eslint-disable no-var */ |
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503 |
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504 // TODO: Use symbols? |
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505 var ImmediatePriority = 1; |
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506 var UserBlockingPriority = 2; |
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507 var NormalPriority = 3; |
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508 var LowPriority = 4; |
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509 var IdlePriority = 5; |
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510 |
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511 // Max 31 bit integer. The max integer size in V8 for 32-bit systems. |
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512 // Math.pow(2, 30) - 1 |
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513 // 0b111111111111111111111111111111 |
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514 var maxSigned31BitInt = 1073741823; |
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515 |
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516 // Times out immediately |
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517 var IMMEDIATE_PRIORITY_TIMEOUT = -1; |
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518 // Eventually times out |
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519 var USER_BLOCKING_PRIORITY = 250; |
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520 var NORMAL_PRIORITY_TIMEOUT = 5000; |
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521 var LOW_PRIORITY_TIMEOUT = 10000; |
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522 // Never times out |
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523 var IDLE_PRIORITY = maxSigned31BitInt; |
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524 |
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525 // Callbacks are stored as a circular, doubly linked list. |
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526 var firstCallbackNode = null; |
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527 |
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528 var currentDidTimeout = false; |
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529 // Pausing the scheduler is useful for debugging. |
|
530 var isSchedulerPaused = false; |
|
531 |
|
532 var currentPriorityLevel = NormalPriority; |
|
533 var currentEventStartTime = -1; |
|
534 var currentExpirationTime = -1; |
|
535 |
|
536 // This is set when a callback is being executed, to prevent re-entrancy. |
|
537 var isExecutingCallback = false; |
|
538 |
|
539 var isHostCallbackScheduled = false; |
|
540 |
|
541 var hasNativePerformanceNow = typeof performance === 'object' && typeof performance.now === 'function'; |
|
542 |
|
543 function ensureHostCallbackIsScheduled() { |
|
544 if (isExecutingCallback) { |
|
545 // Don't schedule work yet; wait until the next time we yield. |
|
546 return; |
|
547 } |
|
548 // Schedule the host callback using the earliest expiration in the list. |
|
549 var expirationTime = firstCallbackNode.expirationTime; |
|
550 if (!isHostCallbackScheduled) { |
|
551 isHostCallbackScheduled = true; |
|
552 } else { |
|
553 // Cancel the existing host callback. |
|
554 cancelHostCallback(); |
|
555 } |
|
556 requestHostCallback(flushWork, expirationTime); |
|
557 } |
|
558 |
|
559 function flushFirstCallback() { |
|
560 var flushedNode = firstCallbackNode; |
|
561 |
|
562 // Remove the node from the list before calling the callback. That way the |
|
563 // list is in a consistent state even if the callback throws. |
|
564 var next = firstCallbackNode.next; |
|
565 if (firstCallbackNode === next) { |
|
566 // This is the last callback in the list. |
|
567 firstCallbackNode = null; |
|
568 next = null; |
|
569 } else { |
|
570 var lastCallbackNode = firstCallbackNode.previous; |
|
571 firstCallbackNode = lastCallbackNode.next = next; |
|
572 next.previous = lastCallbackNode; |
|
573 } |
|
574 |
|
575 flushedNode.next = flushedNode.previous = null; |
|
576 |
|
577 // Now it's safe to call the callback. |
|
578 var callback = flushedNode.callback; |
|
579 var expirationTime = flushedNode.expirationTime; |
|
580 var priorityLevel = flushedNode.priorityLevel; |
|
581 var previousPriorityLevel = currentPriorityLevel; |
|
582 var previousExpirationTime = currentExpirationTime; |
|
583 currentPriorityLevel = priorityLevel; |
|
584 currentExpirationTime = expirationTime; |
|
585 var continuationCallback; |
|
586 try { |
|
587 continuationCallback = callback(); |
|
588 } finally { |
|
589 currentPriorityLevel = previousPriorityLevel; |
|
590 currentExpirationTime = previousExpirationTime; |
|
591 } |
|
592 |
|
593 // A callback may return a continuation. The continuation should be scheduled |
|
594 // with the same priority and expiration as the just-finished callback. |
|
595 if (typeof continuationCallback === 'function') { |
|
596 var continuationNode = { |
|
597 callback: continuationCallback, |
|
598 priorityLevel: priorityLevel, |
|
599 expirationTime: expirationTime, |
|
600 next: null, |
|
601 previous: null |
|
602 }; |
|
603 |
|
604 // Insert the new callback into the list, sorted by its expiration. This is |
|
605 // almost the same as the code in `scheduleCallback`, except the callback |
|
606 // is inserted into the list *before* callbacks of equal expiration instead |
|
607 // of after. |
|
608 if (firstCallbackNode === null) { |
|
609 // This is the first callback in the list. |
|
610 firstCallbackNode = continuationNode.next = continuationNode.previous = continuationNode; |
|
611 } else { |
|
612 var nextAfterContinuation = null; |
|
613 var node = firstCallbackNode; |
|
614 do { |
|
615 if (node.expirationTime >= expirationTime) { |
|
616 // This callback expires at or after the continuation. We will insert |
|
617 // the continuation *before* this callback. |
|
618 nextAfterContinuation = node; |
|
619 break; |
|
620 } |
|
621 node = node.next; |
|
622 } while (node !== firstCallbackNode); |
|
623 |
|
624 if (nextAfterContinuation === null) { |
|
625 // No equal or lower priority callback was found, which means the new |
|
626 // callback is the lowest priority callback in the list. |
|
627 nextAfterContinuation = firstCallbackNode; |
|
628 } else if (nextAfterContinuation === firstCallbackNode) { |
|
629 // The new callback is the highest priority callback in the list. |
|
630 firstCallbackNode = continuationNode; |
|
631 ensureHostCallbackIsScheduled(); |
|
632 } |
|
633 |
|
634 var previous = nextAfterContinuation.previous; |
|
635 previous.next = nextAfterContinuation.previous = continuationNode; |
|
636 continuationNode.next = nextAfterContinuation; |
|
637 continuationNode.previous = previous; |
|
638 } |
|
639 } |
|
640 } |
|
641 |
|
642 function flushImmediateWork() { |
|
643 if ( |
|
644 // Confirm we've exited the outer most event handler |
|
645 currentEventStartTime === -1 && firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority) { |
|
646 isExecutingCallback = true; |
|
647 try { |
|
648 do { |
|
649 flushFirstCallback(); |
|
650 } while ( |
|
651 // Keep flushing until there are no more immediate callbacks |
|
652 firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority); |
|
653 } finally { |
|
654 isExecutingCallback = false; |
|
655 if (firstCallbackNode !== null) { |
|
656 // There's still work remaining. Request another callback. |
|
657 ensureHostCallbackIsScheduled(); |
|
658 } else { |
|
659 isHostCallbackScheduled = false; |
|
660 } |
|
661 } |
|
662 } |
|
663 } |
|
664 |
|
665 function flushWork(didTimeout) { |
|
666 // Exit right away if we're currently paused |
|
667 |
|
668 if (enableSchedulerDebugging && isSchedulerPaused) { |
|
669 return; |
|
670 } |
|
671 |
|
672 isExecutingCallback = true; |
|
673 var previousDidTimeout = currentDidTimeout; |
|
674 currentDidTimeout = didTimeout; |
|
675 try { |
|
676 if (didTimeout) { |
|
677 // Flush all the expired callbacks without yielding. |
|
678 while (firstCallbackNode !== null && !(enableSchedulerDebugging && isSchedulerPaused)) { |
|
679 // TODO Wrap in feature flag |
|
680 // Read the current time. Flush all the callbacks that expire at or |
|
681 // earlier than that time. Then read the current time again and repeat. |
|
682 // This optimizes for as few performance.now calls as possible. |
|
683 var currentTime = getCurrentTime(); |
|
684 if (firstCallbackNode.expirationTime <= currentTime) { |
|
685 do { |
|
686 flushFirstCallback(); |
|
687 } while (firstCallbackNode !== null && firstCallbackNode.expirationTime <= currentTime && !(enableSchedulerDebugging && isSchedulerPaused)); |
|
688 continue; |
|
689 } |
|
690 break; |
|
691 } |
|
692 } else { |
|
693 // Keep flushing callbacks until we run out of time in the frame. |
|
694 if (firstCallbackNode !== null) { |
|
695 do { |
|
696 if (enableSchedulerDebugging && isSchedulerPaused) { |
|
697 break; |
|
698 } |
|
699 flushFirstCallback(); |
|
700 } while (firstCallbackNode !== null && !shouldYieldToHost()); |
|
701 } |
|
702 } |
|
703 } finally { |
|
704 isExecutingCallback = false; |
|
705 currentDidTimeout = previousDidTimeout; |
|
706 if (firstCallbackNode !== null) { |
|
707 // There's still work remaining. Request another callback. |
|
708 ensureHostCallbackIsScheduled(); |
|
709 } else { |
|
710 isHostCallbackScheduled = false; |
|
711 } |
|
712 // Before exiting, flush all the immediate work that was scheduled. |
|
713 flushImmediateWork(); |
|
714 } |
|
715 } |
|
716 |
|
717 function unstable_runWithPriority(priorityLevel, eventHandler) { |
|
718 switch (priorityLevel) { |
|
719 case ImmediatePriority: |
|
720 case UserBlockingPriority: |
|
721 case NormalPriority: |
|
722 case LowPriority: |
|
723 case IdlePriority: |
|
724 break; |
|
725 default: |
|
726 priorityLevel = NormalPriority; |
|
727 } |
|
728 |
|
729 var previousPriorityLevel = currentPriorityLevel; |
|
730 var previousEventStartTime = currentEventStartTime; |
|
731 currentPriorityLevel = priorityLevel; |
|
732 currentEventStartTime = getCurrentTime(); |
|
733 |
|
734 try { |
|
735 return eventHandler(); |
|
736 } finally { |
|
737 currentPriorityLevel = previousPriorityLevel; |
|
738 currentEventStartTime = previousEventStartTime; |
|
739 |
|
740 // Before exiting, flush all the immediate work that was scheduled. |
|
741 flushImmediateWork(); |
|
742 } |
|
743 } |
|
744 |
|
745 function unstable_next(eventHandler) { |
|
746 var priorityLevel = void 0; |
|
747 switch (currentPriorityLevel) { |
|
748 case ImmediatePriority: |
|
749 case UserBlockingPriority: |
|
750 case NormalPriority: |
|
751 // Shift down to normal priority |
|
752 priorityLevel = NormalPriority; |
|
753 break; |
|
754 default: |
|
755 // Anything lower than normal priority should remain at the current level. |
|
756 priorityLevel = currentPriorityLevel; |
|
757 break; |
|
758 } |
|
759 |
|
760 var previousPriorityLevel = currentPriorityLevel; |
|
761 var previousEventStartTime = currentEventStartTime; |
|
762 currentPriorityLevel = priorityLevel; |
|
763 currentEventStartTime = getCurrentTime(); |
|
764 |
|
765 try { |
|
766 return eventHandler(); |
|
767 } finally { |
|
768 currentPriorityLevel = previousPriorityLevel; |
|
769 currentEventStartTime = previousEventStartTime; |
|
770 |
|
771 // Before exiting, flush all the immediate work that was scheduled. |
|
772 flushImmediateWork(); |
|
773 } |
|
774 } |
|
775 |
|
776 function unstable_wrapCallback(callback) { |
|
777 var parentPriorityLevel = currentPriorityLevel; |
|
778 return function () { |
|
779 // This is a fork of runWithPriority, inlined for performance. |
|
780 var previousPriorityLevel = currentPriorityLevel; |
|
781 var previousEventStartTime = currentEventStartTime; |
|
782 currentPriorityLevel = parentPriorityLevel; |
|
783 currentEventStartTime = getCurrentTime(); |
|
784 |
|
785 try { |
|
786 return callback.apply(this, arguments); |
|
787 } finally { |
|
788 currentPriorityLevel = previousPriorityLevel; |
|
789 currentEventStartTime = previousEventStartTime; |
|
790 flushImmediateWork(); |
|
791 } |
|
792 }; |
|
793 } |
|
794 |
|
795 function unstable_scheduleCallback(callback, deprecated_options) { |
|
796 var startTime = currentEventStartTime !== -1 ? currentEventStartTime : getCurrentTime(); |
|
797 |
|
798 var expirationTime; |
|
799 if (typeof deprecated_options === 'object' && deprecated_options !== null && typeof deprecated_options.timeout === 'number') { |
|
800 // FIXME: Remove this branch once we lift expiration times out of React. |
|
801 expirationTime = startTime + deprecated_options.timeout; |
|
802 } else { |
|
803 switch (currentPriorityLevel) { |
|
804 case ImmediatePriority: |
|
805 expirationTime = startTime + IMMEDIATE_PRIORITY_TIMEOUT; |
|
806 break; |
|
807 case UserBlockingPriority: |
|
808 expirationTime = startTime + USER_BLOCKING_PRIORITY; |
|
809 break; |
|
810 case IdlePriority: |
|
811 expirationTime = startTime + IDLE_PRIORITY; |
|
812 break; |
|
813 case LowPriority: |
|
814 expirationTime = startTime + LOW_PRIORITY_TIMEOUT; |
|
815 break; |
|
816 case NormalPriority: |
|
817 default: |
|
818 expirationTime = startTime + NORMAL_PRIORITY_TIMEOUT; |
|
819 } |
|
820 } |
|
821 |
|
822 var newNode = { |
|
823 callback: callback, |
|
824 priorityLevel: currentPriorityLevel, |
|
825 expirationTime: expirationTime, |
|
826 next: null, |
|
827 previous: null |
|
828 }; |
|
829 |
|
830 // Insert the new callback into the list, ordered first by expiration, then |
|
831 // by insertion. So the new callback is inserted any other callback with |
|
832 // equal expiration. |
|
833 if (firstCallbackNode === null) { |
|
834 // This is the first callback in the list. |
|
835 firstCallbackNode = newNode.next = newNode.previous = newNode; |
|
836 ensureHostCallbackIsScheduled(); |
|
837 } else { |
|
838 var next = null; |
|
839 var node = firstCallbackNode; |
|
840 do { |
|
841 if (node.expirationTime > expirationTime) { |
|
842 // The new callback expires before this one. |
|
843 next = node; |
|
844 break; |
|
845 } |
|
846 node = node.next; |
|
847 } while (node !== firstCallbackNode); |
|
848 |
|
849 if (next === null) { |
|
850 // No callback with a later expiration was found, which means the new |
|
851 // callback has the latest expiration in the list. |
|
852 next = firstCallbackNode; |
|
853 } else if (next === firstCallbackNode) { |
|
854 // The new callback has the earliest expiration in the entire list. |
|
855 firstCallbackNode = newNode; |
|
856 ensureHostCallbackIsScheduled(); |
|
857 } |
|
858 |
|
859 var previous = next.previous; |
|
860 previous.next = next.previous = newNode; |
|
861 newNode.next = next; |
|
862 newNode.previous = previous; |
|
863 } |
|
864 |
|
865 return newNode; |
|
866 } |
|
867 |
|
868 function unstable_pauseExecution() { |
|
869 isSchedulerPaused = true; |
|
870 } |
|
871 |
|
872 function unstable_continueExecution() { |
|
873 isSchedulerPaused = false; |
|
874 if (firstCallbackNode !== null) { |
|
875 ensureHostCallbackIsScheduled(); |
|
876 } |
|
877 } |
|
878 |
|
879 function unstable_getFirstCallbackNode() { |
|
880 return firstCallbackNode; |
|
881 } |
|
882 |
|
883 function unstable_cancelCallback(callbackNode) { |
|
884 var next = callbackNode.next; |
|
885 if (next === null) { |
|
886 // Already cancelled. |
|
887 return; |
|
888 } |
|
889 |
|
890 if (next === callbackNode) { |
|
891 // This is the only scheduled callback. Clear the list. |
|
892 firstCallbackNode = null; |
|
893 } else { |
|
894 // Remove the callback from its position in the list. |
|
895 if (callbackNode === firstCallbackNode) { |
|
896 firstCallbackNode = next; |
|
897 } |
|
898 var previous = callbackNode.previous; |
|
899 previous.next = next; |
|
900 next.previous = previous; |
|
901 } |
|
902 |
|
903 callbackNode.next = callbackNode.previous = null; |
|
904 } |
|
905 |
|
906 function unstable_getCurrentPriorityLevel() { |
|
907 return currentPriorityLevel; |
|
908 } |
|
909 |
|
910 function unstable_shouldYield() { |
|
911 return !currentDidTimeout && (firstCallbackNode !== null && firstCallbackNode.expirationTime < currentExpirationTime || shouldYieldToHost()); |
|
912 } |
|
913 |
|
914 // The remaining code is essentially a polyfill for requestIdleCallback. It |
|
915 // works by scheduling a requestAnimationFrame, storing the time for the start |
|
916 // of the frame, then scheduling a postMessage which gets scheduled after paint. |
|
917 // Within the postMessage handler do as much work as possible until time + frame |
|
918 // rate. By separating the idle call into a separate event tick we ensure that |
|
919 // layout, paint and other browser work is counted against the available time. |
|
920 // The frame rate is dynamically adjusted. |
|
921 |
|
922 // We capture a local reference to any global, in case it gets polyfilled after |
|
923 // this module is initially evaluated. We want to be using a |
|
924 // consistent implementation. |
|
925 var localDate = Date; |
|
926 |
|
927 // This initialization code may run even on server environments if a component |
|
928 // just imports ReactDOM (e.g. for findDOMNode). Some environments might not |
|
929 // have setTimeout or clearTimeout. However, we always expect them to be defined |
|
930 // on the client. https://github.com/facebook/react/pull/13088 |
|
931 var localSetTimeout = typeof setTimeout === 'function' ? setTimeout : undefined; |
|
932 var localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : undefined; |
|
933 |
|
934 // We don't expect either of these to necessarily be defined, but we will error |
|
935 // later if they are missing on the client. |
|
936 var localRequestAnimationFrame = typeof requestAnimationFrame === 'function' ? requestAnimationFrame : undefined; |
|
937 var localCancelAnimationFrame = typeof cancelAnimationFrame === 'function' ? cancelAnimationFrame : undefined; |
|
938 |
|
939 var getCurrentTime; |
|
940 |
|
941 // requestAnimationFrame does not run when the tab is in the background. If |
|
942 // we're backgrounded we prefer for that work to happen so that the page |
|
943 // continues to load in the background. So we also schedule a 'setTimeout' as |
|
944 // a fallback. |
|
945 // TODO: Need a better heuristic for backgrounded work. |
|
946 var ANIMATION_FRAME_TIMEOUT = 100; |
|
947 var rAFID; |
|
948 var rAFTimeoutID; |
|
949 var requestAnimationFrameWithTimeout = function (callback) { |
|
950 // schedule rAF and also a setTimeout |
|
951 rAFID = localRequestAnimationFrame(function (timestamp) { |
|
952 // cancel the setTimeout |
|
953 localClearTimeout(rAFTimeoutID); |
|
954 callback(timestamp); |
|
955 }); |
|
956 rAFTimeoutID = localSetTimeout(function () { |
|
957 // cancel the requestAnimationFrame |
|
958 localCancelAnimationFrame(rAFID); |
|
959 callback(getCurrentTime()); |
|
960 }, ANIMATION_FRAME_TIMEOUT); |
|
961 }; |
|
962 |
|
963 if (hasNativePerformanceNow) { |
|
964 var Performance = performance; |
|
965 getCurrentTime = function () { |
|
966 return Performance.now(); |
|
967 }; |
|
968 } else { |
|
969 getCurrentTime = function () { |
|
970 return localDate.now(); |
|
971 }; |
|
972 } |
|
973 |
|
974 var requestHostCallback; |
|
975 var cancelHostCallback; |
|
976 var shouldYieldToHost; |
|
977 |
|
978 var globalValue = null; |
|
979 if (typeof window !== 'undefined') { |
|
980 globalValue = window; |
|
981 } else if (typeof global !== 'undefined') { |
|
982 globalValue = global; |
|
983 } |
|
984 |
|
985 if (globalValue && globalValue._schedMock) { |
|
986 // Dynamic injection, only for testing purposes. |
|
987 var globalImpl = globalValue._schedMock; |
|
988 requestHostCallback = globalImpl[0]; |
|
989 cancelHostCallback = globalImpl[1]; |
|
990 shouldYieldToHost = globalImpl[2]; |
|
991 getCurrentTime = globalImpl[3]; |
|
992 } else if ( |
|
993 // If Scheduler runs in a non-DOM environment, it falls back to a naive |
|
994 // implementation using setTimeout. |
|
995 typeof window === 'undefined' || |
|
996 // Check if MessageChannel is supported, too. |
|
997 typeof MessageChannel !== 'function') { |
|
998 // If this accidentally gets imported in a non-browser environment, e.g. JavaScriptCore, |
|
999 // fallback to a naive implementation. |
|
1000 var _callback = null; |
|
1001 var _flushCallback = function (didTimeout) { |
|
1002 if (_callback !== null) { |
|
1003 try { |
|
1004 _callback(didTimeout); |
|
1005 } finally { |
|
1006 _callback = null; |
|
1007 } |
|
1008 } |
|
1009 }; |
|
1010 requestHostCallback = function (cb, ms) { |
|
1011 if (_callback !== null) { |
|
1012 // Protect against re-entrancy. |
|
1013 setTimeout(requestHostCallback, 0, cb); |
|
1014 } else { |
|
1015 _callback = cb; |
|
1016 setTimeout(_flushCallback, 0, false); |
|
1017 } |
|
1018 }; |
|
1019 cancelHostCallback = function () { |
|
1020 _callback = null; |
|
1021 }; |
|
1022 shouldYieldToHost = function () { |
|
1023 return false; |
|
1024 }; |
|
1025 } else { |
|
1026 if (typeof console !== 'undefined') { |
|
1027 // TODO: Remove fb.me link |
|
1028 if (typeof localRequestAnimationFrame !== 'function') { |
|
1029 console.error("This browser doesn't support requestAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills'); |
|
1030 } |
|
1031 if (typeof localCancelAnimationFrame !== 'function') { |
|
1032 console.error("This browser doesn't support cancelAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills'); |
|
1033 } |
|
1034 } |
|
1035 |
|
1036 var scheduledHostCallback = null; |
|
1037 var isMessageEventScheduled = false; |
|
1038 var timeoutTime = -1; |
|
1039 |
|
1040 var isAnimationFrameScheduled = false; |
|
1041 |
|
1042 var isFlushingHostCallback = false; |
|
1043 |
|
1044 var frameDeadline = 0; |
|
1045 // We start out assuming that we run at 30fps but then the heuristic tracking |
|
1046 // will adjust this value to a faster fps if we get more frequent animation |
|
1047 // frames. |
|
1048 var previousFrameTime = 33; |
|
1049 var activeFrameTime = 33; |
|
1050 |
|
1051 shouldYieldToHost = function () { |
|
1052 return frameDeadline <= getCurrentTime(); |
|
1053 }; |
|
1054 |
|
1055 // We use the postMessage trick to defer idle work until after the repaint. |
|
1056 var channel = new MessageChannel(); |
|
1057 var port = channel.port2; |
|
1058 channel.port1.onmessage = function (event) { |
|
1059 isMessageEventScheduled = false; |
|
1060 |
|
1061 var prevScheduledCallback = scheduledHostCallback; |
|
1062 var prevTimeoutTime = timeoutTime; |
|
1063 scheduledHostCallback = null; |
|
1064 timeoutTime = -1; |
|
1065 |
|
1066 var currentTime = getCurrentTime(); |
|
1067 |
|
1068 var didTimeout = false; |
|
1069 if (frameDeadline - currentTime <= 0) { |
|
1070 // There's no time left in this idle period. Check if the callback has |
|
1071 // a timeout and whether it's been exceeded. |
|
1072 if (prevTimeoutTime !== -1 && prevTimeoutTime <= currentTime) { |
|
1073 // Exceeded the timeout. Invoke the callback even though there's no |
|
1074 // time left. |
|
1075 didTimeout = true; |
|
1076 } else { |
|
1077 // No timeout. |
|
1078 if (!isAnimationFrameScheduled) { |
|
1079 // Schedule another animation callback so we retry later. |
|
1080 isAnimationFrameScheduled = true; |
|
1081 requestAnimationFrameWithTimeout(animationTick); |
|
1082 } |
|
1083 // Exit without invoking the callback. |
|
1084 scheduledHostCallback = prevScheduledCallback; |
|
1085 timeoutTime = prevTimeoutTime; |
|
1086 return; |
|
1087 } |
|
1088 } |
|
1089 |
|
1090 if (prevScheduledCallback !== null) { |
|
1091 isFlushingHostCallback = true; |
|
1092 try { |
|
1093 prevScheduledCallback(didTimeout); |
|
1094 } finally { |
|
1095 isFlushingHostCallback = false; |
|
1096 } |
|
1097 } |
|
1098 }; |
|
1099 |
|
1100 var animationTick = function (rafTime) { |
|
1101 if (scheduledHostCallback !== null) { |
|
1102 // Eagerly schedule the next animation callback at the beginning of the |
|
1103 // frame. If the scheduler queue is not empty at the end of the frame, it |
|
1104 // will continue flushing inside that callback. If the queue *is* empty, |
|
1105 // then it will exit immediately. Posting the callback at the start of the |
|
1106 // frame ensures it's fired within the earliest possible frame. If we |
|
1107 // waited until the end of the frame to post the callback, we risk the |
|
1108 // browser skipping a frame and not firing the callback until the frame |
|
1109 // after that. |
|
1110 requestAnimationFrameWithTimeout(animationTick); |
|
1111 } else { |
|
1112 // No pending work. Exit. |
|
1113 isAnimationFrameScheduled = false; |
|
1114 return; |
|
1115 } |
|
1116 |
|
1117 var nextFrameTime = rafTime - frameDeadline + activeFrameTime; |
|
1118 if (nextFrameTime < activeFrameTime && previousFrameTime < activeFrameTime) { |
|
1119 if (nextFrameTime < 8) { |
|
1120 // Defensive coding. We don't support higher frame rates than 120hz. |
|
1121 // If the calculated frame time gets lower than 8, it is probably a bug. |
|
1122 nextFrameTime = 8; |
|
1123 } |
|
1124 // If one frame goes long, then the next one can be short to catch up. |
|
1125 // If two frames are short in a row, then that's an indication that we |
|
1126 // actually have a higher frame rate than what we're currently optimizing. |
|
1127 // We adjust our heuristic dynamically accordingly. For example, if we're |
|
1128 // running on 120hz display or 90hz VR display. |
|
1129 // Take the max of the two in case one of them was an anomaly due to |
|
1130 // missed frame deadlines. |
|
1131 activeFrameTime = nextFrameTime < previousFrameTime ? previousFrameTime : nextFrameTime; |
|
1132 } else { |
|
1133 previousFrameTime = nextFrameTime; |
|
1134 } |
|
1135 frameDeadline = rafTime + activeFrameTime; |
|
1136 if (!isMessageEventScheduled) { |
|
1137 isMessageEventScheduled = true; |
|
1138 port.postMessage(undefined); |
|
1139 } |
|
1140 }; |
|
1141 |
|
1142 requestHostCallback = function (callback, absoluteTimeout) { |
|
1143 scheduledHostCallback = callback; |
|
1144 timeoutTime = absoluteTimeout; |
|
1145 if (isFlushingHostCallback || absoluteTimeout < 0) { |
|
1146 // Don't wait for the next frame. Continue working ASAP, in a new event. |
|
1147 port.postMessage(undefined); |
|
1148 } else if (!isAnimationFrameScheduled) { |
|
1149 // If rAF didn't already schedule one, we need to schedule a frame. |
|
1150 // TODO: If this rAF doesn't materialize because the browser throttles, we |
|
1151 // might want to still have setTimeout trigger rIC as a backup to ensure |
|
1152 // that we keep performing work. |
|
1153 isAnimationFrameScheduled = true; |
|
1154 requestAnimationFrameWithTimeout(animationTick); |
|
1155 } |
|
1156 }; |
|
1157 |
|
1158 cancelHostCallback = function () { |
|
1159 scheduledHostCallback = null; |
|
1160 isMessageEventScheduled = false; |
|
1161 timeoutTime = -1; |
|
1162 }; |
|
1163 } |
|
1164 |
|
1165 // Helps identify side effects in begin-phase lifecycle hooks and setState reducers: |
|
1166 |
|
1167 |
|
1168 // In some cases, StrictMode should also double-render lifecycles. |
|
1169 // This can be confusing for tests though, |
|
1170 // And it can be bad for performance in production. |
|
1171 // This feature flag can be used to control the behavior: |
|
1172 |
|
1173 |
|
1174 // To preserve the "Pause on caught exceptions" behavior of the debugger, we |
|
1175 // replay the begin phase of a failed component inside invokeGuardedCallback. |
|
1176 |
|
1177 |
|
1178 // Warn about deprecated, async-unsafe lifecycles; relates to RFC #6: |
|
1179 |
|
1180 |
|
1181 // Gather advanced timing metrics for Profiler subtrees. |
|
1182 |
|
1183 |
|
1184 // Trace which interactions trigger each commit. |
|
1185 var enableSchedulerTracing = true; |
|
1186 |
|
1187 // Only used in www builds. |
|
1188 // TODO: true? Here it might just be false. |
|
1189 |
|
1190 // Only used in www builds. |
|
1191 |
|
1192 |
|
1193 // Only used in www builds. |
|
1194 |
|
1195 |
|
1196 // React Fire: prevent the value and checked attributes from syncing |
|
1197 // with their related DOM properties |
|
1198 |
|
1199 |
|
1200 // These APIs will no longer be "unstable" in the upcoming 16.7 release, |
|
1201 // Control this behavior with a flag to support 16.6 minor releases in the meanwhile. |
|
1202 var enableStableConcurrentModeAPIs = false; |
|
1203 |
|
1204 var DEFAULT_THREAD_ID = 0; |
|
1205 |
|
1206 // Counters used to generate unique IDs. |
|
1207 var interactionIDCounter = 0; |
|
1208 var threadIDCounter = 0; |
|
1209 |
|
1210 // Set of currently traced interactions. |
|
1211 // Interactions "stack"– |
|
1212 // Meaning that newly traced interactions are appended to the previously active set. |
|
1213 // When an interaction goes out of scope, the previous set (if any) is restored. |
|
1214 var interactionsRef = null; |
|
1215 |
|
1216 // Listener(s) to notify when interactions begin and end. |
|
1217 var subscriberRef = null; |
|
1218 |
|
1219 if (enableSchedulerTracing) { |
|
1220 interactionsRef = { |
|
1221 current: new Set() |
|
1222 }; |
|
1223 subscriberRef = { |
|
1224 current: null |
|
1225 }; |
|
1226 } |
|
1227 |
|
1228 function unstable_clear(callback) { |
|
1229 if (!enableSchedulerTracing) { |
|
1230 return callback(); |
|
1231 } |
|
1232 |
|
1233 var prevInteractions = interactionsRef.current; |
|
1234 interactionsRef.current = new Set(); |
|
1235 |
|
1236 try { |
|
1237 return callback(); |
|
1238 } finally { |
|
1239 interactionsRef.current = prevInteractions; |
|
1240 } |
|
1241 } |
|
1242 |
|
1243 function unstable_getCurrent() { |
|
1244 if (!enableSchedulerTracing) { |
|
1245 return null; |
|
1246 } else { |
|
1247 return interactionsRef.current; |
|
1248 } |
|
1249 } |
|
1250 |
|
1251 function unstable_getThreadID() { |
|
1252 return ++threadIDCounter; |
|
1253 } |
|
1254 |
|
1255 function unstable_trace(name, timestamp, callback) { |
|
1256 var threadID = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : DEFAULT_THREAD_ID; |
|
1257 |
|
1258 if (!enableSchedulerTracing) { |
|
1259 return callback(); |
|
1260 } |
|
1261 |
|
1262 var interaction = { |
|
1263 __count: 1, |
|
1264 id: interactionIDCounter++, |
|
1265 name: name, |
|
1266 timestamp: timestamp |
|
1267 }; |
|
1268 |
|
1269 var prevInteractions = interactionsRef.current; |
|
1270 |
|
1271 // Traced interactions should stack/accumulate. |
|
1272 // To do that, clone the current interactions. |
|
1273 // The previous set will be restored upon completion. |
|
1274 var interactions = new Set(prevInteractions); |
|
1275 interactions.add(interaction); |
|
1276 interactionsRef.current = interactions; |
|
1277 |
|
1278 var subscriber = subscriberRef.current; |
|
1279 var returnValue = void 0; |
|
1280 |
|
1281 try { |
|
1282 if (subscriber !== null) { |
|
1283 subscriber.onInteractionTraced(interaction); |
|
1284 } |
|
1285 } finally { |
|
1286 try { |
|
1287 if (subscriber !== null) { |
|
1288 subscriber.onWorkStarted(interactions, threadID); |
|
1289 } |
|
1290 } finally { |
|
1291 try { |
|
1292 returnValue = callback(); |
|
1293 } finally { |
|
1294 interactionsRef.current = prevInteractions; |
|
1295 |
|
1296 try { |
|
1297 if (subscriber !== null) { |
|
1298 subscriber.onWorkStopped(interactions, threadID); |
|
1299 } |
|
1300 } finally { |
|
1301 interaction.__count--; |
|
1302 |
|
1303 // If no async work was scheduled for this interaction, |
|
1304 // Notify subscribers that it's completed. |
|
1305 if (subscriber !== null && interaction.__count === 0) { |
|
1306 subscriber.onInteractionScheduledWorkCompleted(interaction); |
|
1307 } |
|
1308 } |
|
1309 } |
|
1310 } |
|
1311 } |
|
1312 |
|
1313 return returnValue; |
|
1314 } |
|
1315 |
|
1316 function unstable_wrap(callback) { |
|
1317 var threadID = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_THREAD_ID; |
|
1318 |
|
1319 if (!enableSchedulerTracing) { |
|
1320 return callback; |
|
1321 } |
|
1322 |
|
1323 var wrappedInteractions = interactionsRef.current; |
|
1324 |
|
1325 var subscriber = subscriberRef.current; |
|
1326 if (subscriber !== null) { |
|
1327 subscriber.onWorkScheduled(wrappedInteractions, threadID); |
|
1328 } |
|
1329 |
|
1330 // Update the pending async work count for the current interactions. |
|
1331 // Update after calling subscribers in case of error. |
|
1332 wrappedInteractions.forEach(function (interaction) { |
|
1333 interaction.__count++; |
|
1334 }); |
|
1335 |
|
1336 var hasRun = false; |
|
1337 |
|
1338 function wrapped() { |
|
1339 var prevInteractions = interactionsRef.current; |
|
1340 interactionsRef.current = wrappedInteractions; |
|
1341 |
|
1342 subscriber = subscriberRef.current; |
|
1343 |
|
1344 try { |
|
1345 var returnValue = void 0; |
|
1346 |
|
1347 try { |
|
1348 if (subscriber !== null) { |
|
1349 subscriber.onWorkStarted(wrappedInteractions, threadID); |
|
1350 } |
|
1351 } finally { |
|
1352 try { |
|
1353 returnValue = callback.apply(undefined, arguments); |
|
1354 } finally { |
|
1355 interactionsRef.current = prevInteractions; |
|
1356 |
|
1357 if (subscriber !== null) { |
|
1358 subscriber.onWorkStopped(wrappedInteractions, threadID); |
|
1359 } |
|
1360 } |
|
1361 } |
|
1362 |
|
1363 return returnValue; |
|
1364 } finally { |
|
1365 if (!hasRun) { |
|
1366 // We only expect a wrapped function to be executed once, |
|
1367 // But in the event that it's executed more than once– |
|
1368 // Only decrement the outstanding interaction counts once. |
|
1369 hasRun = true; |
|
1370 |
|
1371 // Update pending async counts for all wrapped interactions. |
|
1372 // If this was the last scheduled async work for any of them, |
|
1373 // Mark them as completed. |
|
1374 wrappedInteractions.forEach(function (interaction) { |
|
1375 interaction.__count--; |
|
1376 |
|
1377 if (subscriber !== null && interaction.__count === 0) { |
|
1378 subscriber.onInteractionScheduledWorkCompleted(interaction); |
|
1379 } |
|
1380 }); |
|
1381 } |
|
1382 } |
|
1383 } |
|
1384 |
|
1385 wrapped.cancel = function cancel() { |
|
1386 subscriber = subscriberRef.current; |
|
1387 |
|
1388 try { |
|
1389 if (subscriber !== null) { |
|
1390 subscriber.onWorkCanceled(wrappedInteractions, threadID); |
|
1391 } |
|
1392 } finally { |
|
1393 // Update pending async counts for all wrapped interactions. |
|
1394 // If this was the last scheduled async work for any of them, |
|
1395 // Mark them as completed. |
|
1396 wrappedInteractions.forEach(function (interaction) { |
|
1397 interaction.__count--; |
|
1398 |
|
1399 if (subscriber && interaction.__count === 0) { |
|
1400 subscriber.onInteractionScheduledWorkCompleted(interaction); |
|
1401 } |
|
1402 }); |
|
1403 } |
|
1404 }; |
|
1405 |
|
1406 return wrapped; |
|
1407 } |
|
1408 |
|
1409 var subscribers = null; |
|
1410 if (enableSchedulerTracing) { |
|
1411 subscribers = new Set(); |
|
1412 } |
|
1413 |
|
1414 function unstable_subscribe(subscriber) { |
|
1415 if (enableSchedulerTracing) { |
|
1416 subscribers.add(subscriber); |
|
1417 |
|
1418 if (subscribers.size === 1) { |
|
1419 subscriberRef.current = { |
|
1420 onInteractionScheduledWorkCompleted: onInteractionScheduledWorkCompleted, |
|
1421 onInteractionTraced: onInteractionTraced, |
|
1422 onWorkCanceled: onWorkCanceled, |
|
1423 onWorkScheduled: onWorkScheduled, |
|
1424 onWorkStarted: onWorkStarted, |
|
1425 onWorkStopped: onWorkStopped |
|
1426 }; |
|
1427 } |
|
1428 } |
|
1429 } |
|
1430 |
|
1431 function unstable_unsubscribe(subscriber) { |
|
1432 if (enableSchedulerTracing) { |
|
1433 subscribers.delete(subscriber); |
|
1434 |
|
1435 if (subscribers.size === 0) { |
|
1436 subscriberRef.current = null; |
|
1437 } |
|
1438 } |
|
1439 } |
|
1440 |
|
1441 function onInteractionTraced(interaction) { |
|
1442 var didCatchError = false; |
|
1443 var caughtError = null; |
|
1444 |
|
1445 subscribers.forEach(function (subscriber) { |
|
1446 try { |
|
1447 subscriber.onInteractionTraced(interaction); |
|
1448 } catch (error) { |
|
1449 if (!didCatchError) { |
|
1450 didCatchError = true; |
|
1451 caughtError = error; |
|
1452 } |
|
1453 } |
|
1454 }); |
|
1455 |
|
1456 if (didCatchError) { |
|
1457 throw caughtError; |
|
1458 } |
|
1459 } |
|
1460 |
|
1461 function onInteractionScheduledWorkCompleted(interaction) { |
|
1462 var didCatchError = false; |
|
1463 var caughtError = null; |
|
1464 |
|
1465 subscribers.forEach(function (subscriber) { |
|
1466 try { |
|
1467 subscriber.onInteractionScheduledWorkCompleted(interaction); |
|
1468 } catch (error) { |
|
1469 if (!didCatchError) { |
|
1470 didCatchError = true; |
|
1471 caughtError = error; |
|
1472 } |
|
1473 } |
|
1474 }); |
|
1475 |
|
1476 if (didCatchError) { |
|
1477 throw caughtError; |
|
1478 } |
|
1479 } |
|
1480 |
|
1481 function onWorkScheduled(interactions, threadID) { |
|
1482 var didCatchError = false; |
|
1483 var caughtError = null; |
|
1484 |
|
1485 subscribers.forEach(function (subscriber) { |
|
1486 try { |
|
1487 subscriber.onWorkScheduled(interactions, threadID); |
|
1488 } catch (error) { |
|
1489 if (!didCatchError) { |
|
1490 didCatchError = true; |
|
1491 caughtError = error; |
|
1492 } |
|
1493 } |
|
1494 }); |
|
1495 |
|
1496 if (didCatchError) { |
|
1497 throw caughtError; |
|
1498 } |
|
1499 } |
|
1500 |
|
1501 function onWorkStarted(interactions, threadID) { |
|
1502 var didCatchError = false; |
|
1503 var caughtError = null; |
|
1504 |
|
1505 subscribers.forEach(function (subscriber) { |
|
1506 try { |
|
1507 subscriber.onWorkStarted(interactions, threadID); |
|
1508 } catch (error) { |
|
1509 if (!didCatchError) { |
|
1510 didCatchError = true; |
|
1511 caughtError = error; |
|
1512 } |
|
1513 } |
|
1514 }); |
|
1515 |
|
1516 if (didCatchError) { |
|
1517 throw caughtError; |
|
1518 } |
|
1519 } |
|
1520 |
|
1521 function onWorkStopped(interactions, threadID) { |
|
1522 var didCatchError = false; |
|
1523 var caughtError = null; |
|
1524 |
|
1525 subscribers.forEach(function (subscriber) { |
|
1526 try { |
|
1527 subscriber.onWorkStopped(interactions, threadID); |
|
1528 } catch (error) { |
|
1529 if (!didCatchError) { |
|
1530 didCatchError = true; |
|
1531 caughtError = error; |
|
1532 } |
|
1533 } |
|
1534 }); |
|
1535 |
|
1536 if (didCatchError) { |
|
1537 throw caughtError; |
|
1538 } |
|
1539 } |
|
1540 |
|
1541 function onWorkCanceled(interactions, threadID) { |
|
1542 var didCatchError = false; |
|
1543 var caughtError = null; |
|
1544 |
|
1545 subscribers.forEach(function (subscriber) { |
|
1546 try { |
|
1547 subscriber.onWorkCanceled(interactions, threadID); |
|
1548 } catch (error) { |
|
1549 if (!didCatchError) { |
|
1550 didCatchError = true; |
|
1551 caughtError = error; |
|
1552 } |
|
1553 } |
|
1554 }); |
|
1555 |
|
1556 if (didCatchError) { |
|
1557 throw caughtError; |
|
1558 } |
|
1559 } |
|
1560 |
|
1561 /** |
|
1562 * Keeps track of the current dispatcher. |
|
1563 */ |
|
1564 var ReactCurrentDispatcher = { |
|
1565 /** |
|
1566 * @internal |
|
1567 * @type {ReactComponent} |
|
1568 */ |
|
1569 current: null |
|
1570 }; |
|
1571 |
|
1572 /** |
|
1573 * Keeps track of the current owner. |
|
1574 * |
|
1575 * The current owner is the component who should own any components that are |
|
1576 * currently being constructed. |
|
1577 */ |
|
1578 var ReactCurrentOwner = { |
|
1579 /** |
|
1580 * @internal |
|
1581 * @type {ReactComponent} |
|
1582 */ |
|
1583 current: null |
|
1584 }; |
|
1585 |
|
1586 var BEFORE_SLASH_RE = /^(.*)[\\\/]/; |
|
1587 |
|
1588 var describeComponentFrame = function (name, source, ownerName) { |
|
1589 var sourceInfo = ''; |
|
1590 if (source) { |
|
1591 var path = source.fileName; |
|
1592 var fileName = path.replace(BEFORE_SLASH_RE, ''); |
|
1593 { |
|
1594 // In DEV, include code for a common special case: |
|
1595 // prefer "folder/index.js" instead of just "index.js". |
|
1596 if (/^index\./.test(fileName)) { |
|
1597 var match = path.match(BEFORE_SLASH_RE); |
|
1598 if (match) { |
|
1599 var pathBeforeSlash = match[1]; |
|
1600 if (pathBeforeSlash) { |
|
1601 var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, ''); |
|
1602 fileName = folderName + '/' + fileName; |
|
1603 } |
|
1604 } |
|
1605 } |
|
1606 } |
|
1607 sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')'; |
|
1608 } else if (ownerName) { |
|
1609 sourceInfo = ' (created by ' + ownerName + ')'; |
|
1610 } |
|
1611 return '\n in ' + (name || 'Unknown') + sourceInfo; |
|
1612 }; |
|
1613 |
|
1614 var Resolved = 1; |
|
1615 |
|
1616 |
|
1617 function refineResolvedLazyComponent(lazyComponent) { |
|
1618 return lazyComponent._status === Resolved ? lazyComponent._result : null; |
|
1619 } |
|
1620 |
|
1621 function getWrappedName(outerType, innerType, wrapperName) { |
|
1622 var functionName = innerType.displayName || innerType.name || ''; |
|
1623 return outerType.displayName || (functionName !== '' ? wrapperName + '(' + functionName + ')' : wrapperName); |
|
1624 } |
|
1625 |
|
1626 function getComponentName(type) { |
|
1627 if (type == null) { |
|
1628 // Host root, text node or just invalid type. |
|
1629 return null; |
|
1630 } |
|
1631 { |
|
1632 if (typeof type.tag === 'number') { |
|
1633 warningWithoutStack$1(false, 'Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.'); |
|
1634 } |
|
1635 } |
|
1636 if (typeof type === 'function') { |
|
1637 return type.displayName || type.name || null; |
|
1638 } |
|
1639 if (typeof type === 'string') { |
|
1640 return type; |
|
1641 } |
|
1642 switch (type) { |
|
1643 case REACT_CONCURRENT_MODE_TYPE: |
|
1644 return 'ConcurrentMode'; |
|
1645 case REACT_FRAGMENT_TYPE: |
|
1646 return 'Fragment'; |
|
1647 case REACT_PORTAL_TYPE: |
|
1648 return 'Portal'; |
|
1649 case REACT_PROFILER_TYPE: |
|
1650 return 'Profiler'; |
|
1651 case REACT_STRICT_MODE_TYPE: |
|
1652 return 'StrictMode'; |
|
1653 case REACT_SUSPENSE_TYPE: |
|
1654 return 'Suspense'; |
|
1655 } |
|
1656 if (typeof type === 'object') { |
|
1657 switch (type.$$typeof) { |
|
1658 case REACT_CONTEXT_TYPE: |
|
1659 return 'Context.Consumer'; |
|
1660 case REACT_PROVIDER_TYPE: |
|
1661 return 'Context.Provider'; |
|
1662 case REACT_FORWARD_REF_TYPE: |
|
1663 return getWrappedName(type, type.render, 'ForwardRef'); |
|
1664 case REACT_MEMO_TYPE: |
|
1665 return getComponentName(type.type); |
|
1666 case REACT_LAZY_TYPE: |
|
1667 { |
|
1668 var thenable = type; |
|
1669 var resolvedThenable = refineResolvedLazyComponent(thenable); |
|
1670 if (resolvedThenable) { |
|
1671 return getComponentName(resolvedThenable); |
|
1672 } |
|
1673 } |
|
1674 } |
|
1675 } |
|
1676 return null; |
|
1677 } |
|
1678 |
|
1679 var ReactDebugCurrentFrame = {}; |
|
1680 |
|
1681 var currentlyValidatingElement = null; |
|
1682 |
|
1683 function setCurrentlyValidatingElement(element) { |
|
1684 { |
|
1685 currentlyValidatingElement = element; |
|
1686 } |
|
1687 } |
|
1688 |
|
1689 { |
|
1690 // Stack implementation injected by the current renderer. |
|
1691 ReactDebugCurrentFrame.getCurrentStack = null; |
|
1692 |
|
1693 ReactDebugCurrentFrame.getStackAddendum = function () { |
|
1694 var stack = ''; |
|
1695 |
|
1696 // Add an extra top frame while an element is being validated |
|
1697 if (currentlyValidatingElement) { |
|
1698 var name = getComponentName(currentlyValidatingElement.type); |
|
1699 var owner = currentlyValidatingElement._owner; |
|
1700 stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner.type)); |
|
1701 } |
|
1702 |
|
1703 // Delegate to the injected renderer-specific implementation |
|
1704 var impl = ReactDebugCurrentFrame.getCurrentStack; |
|
1705 if (impl) { |
|
1706 stack += impl() || ''; |
|
1707 } |
|
1708 |
|
1709 return stack; |
|
1710 }; |
|
1711 } |
|
1712 |
|
1713 var ReactSharedInternals = { |
|
1714 ReactCurrentDispatcher: ReactCurrentDispatcher, |
|
1715 ReactCurrentOwner: ReactCurrentOwner, |
|
1716 // Used by renderers to avoid bundling object-assign twice in UMD bundles: |
|
1717 assign: objectAssign |
|
1718 }; |
|
1719 |
|
1720 { |
|
1721 // Re-export the schedule API(s) for UMD bundles. |
|
1722 // This avoids introducing a dependency on a new UMD global in a minor update, |
|
1723 // Since that would be a breaking change (e.g. for all existing CodeSandboxes). |
|
1724 // This re-export is only required for UMD bundles; |
|
1725 // CJS bundles use the shared NPM package. |
|
1726 objectAssign(ReactSharedInternals, { |
|
1727 Scheduler: { |
|
1728 unstable_cancelCallback: unstable_cancelCallback, |
|
1729 unstable_shouldYield: unstable_shouldYield, |
|
1730 unstable_now: getCurrentTime, |
|
1731 unstable_scheduleCallback: unstable_scheduleCallback, |
|
1732 unstable_runWithPriority: unstable_runWithPriority, |
|
1733 unstable_next: unstable_next, |
|
1734 unstable_wrapCallback: unstable_wrapCallback, |
|
1735 unstable_getFirstCallbackNode: unstable_getFirstCallbackNode, |
|
1736 unstable_pauseExecution: unstable_pauseExecution, |
|
1737 unstable_continueExecution: unstable_continueExecution, |
|
1738 unstable_getCurrentPriorityLevel: unstable_getCurrentPriorityLevel, |
|
1739 unstable_IdlePriority: IdlePriority, |
|
1740 unstable_ImmediatePriority: ImmediatePriority, |
|
1741 unstable_LowPriority: LowPriority, |
|
1742 unstable_NormalPriority: NormalPriority, |
|
1743 unstable_UserBlockingPriority: UserBlockingPriority |
|
1744 }, |
|
1745 SchedulerTracing: { |
|
1746 __interactionsRef: interactionsRef, |
|
1747 __subscriberRef: subscriberRef, |
|
1748 unstable_clear: unstable_clear, |
|
1749 unstable_getCurrent: unstable_getCurrent, |
|
1750 unstable_getThreadID: unstable_getThreadID, |
|
1751 unstable_subscribe: unstable_subscribe, |
|
1752 unstable_trace: unstable_trace, |
|
1753 unstable_unsubscribe: unstable_unsubscribe, |
|
1754 unstable_wrap: unstable_wrap |
|
1755 } |
|
1756 }); |
|
1757 } |
|
1758 |
|
1759 { |
|
1760 objectAssign(ReactSharedInternals, { |
|
1761 // These should not be included in production. |
|
1762 ReactDebugCurrentFrame: ReactDebugCurrentFrame, |
|
1763 // Shim for React DOM 16.0.0 which still destructured (but not used) this. |
|
1764 // TODO: remove in React 17.0. |
|
1765 ReactComponentTreeHook: {} |
|
1766 }); |
|
1767 } |
|
1768 |
|
1769 /** |
|
1770 * Similar to invariant but only logs a warning if the condition is not met. |
|
1771 * This can be used to log issues in development environments in critical |
|
1772 * paths. Removing the logging code for production environments will keep the |
|
1773 * same logic and follow the same code paths. |
|
1774 */ |
|
1775 |
|
1776 var warning = warningWithoutStack$1; |
|
1777 |
|
1778 { |
|
1779 warning = function (condition, format) { |
|
1780 if (condition) { |
|
1781 return; |
|
1782 } |
|
1783 var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; |
|
1784 var stack = ReactDebugCurrentFrame.getStackAddendum(); |
|
1785 // eslint-disable-next-line react-internal/warning-and-invariant-args |
|
1786 |
|
1787 for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) { |
|
1788 args[_key - 2] = arguments[_key]; |
|
1789 } |
|
1790 |
|
1791 warningWithoutStack$1.apply(undefined, [false, format + '%s'].concat(args, [stack])); |
|
1792 }; |
|
1793 } |
|
1794 |
|
1795 var warning$1 = warning; |
|
1796 |
|
1797 var hasOwnProperty$1 = Object.prototype.hasOwnProperty; |
|
1798 |
|
1799 var RESERVED_PROPS = { |
|
1800 key: true, |
|
1801 ref: true, |
|
1802 __self: true, |
|
1803 __source: true |
|
1804 }; |
|
1805 |
|
1806 var specialPropKeyWarningShown = void 0; |
|
1807 var specialPropRefWarningShown = void 0; |
|
1808 |
|
1809 function hasValidRef(config) { |
|
1810 { |
|
1811 if (hasOwnProperty$1.call(config, 'ref')) { |
|
1812 var getter = Object.getOwnPropertyDescriptor(config, 'ref').get; |
|
1813 if (getter && getter.isReactWarning) { |
|
1814 return false; |
|
1815 } |
|
1816 } |
|
1817 } |
|
1818 return config.ref !== undefined; |
|
1819 } |
|
1820 |
|
1821 function hasValidKey(config) { |
|
1822 { |
|
1823 if (hasOwnProperty$1.call(config, 'key')) { |
|
1824 var getter = Object.getOwnPropertyDescriptor(config, 'key').get; |
|
1825 if (getter && getter.isReactWarning) { |
|
1826 return false; |
|
1827 } |
|
1828 } |
|
1829 } |
|
1830 return config.key !== undefined; |
|
1831 } |
|
1832 |
|
1833 function defineKeyPropWarningGetter(props, displayName) { |
|
1834 var warnAboutAccessingKey = function () { |
|
1835 if (!specialPropKeyWarningShown) { |
|
1836 specialPropKeyWarningShown = true; |
|
1837 warningWithoutStack$1(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName); |
|
1838 } |
|
1839 }; |
|
1840 warnAboutAccessingKey.isReactWarning = true; |
|
1841 Object.defineProperty(props, 'key', { |
|
1842 get: warnAboutAccessingKey, |
|
1843 configurable: true |
|
1844 }); |
|
1845 } |
|
1846 |
|
1847 function defineRefPropWarningGetter(props, displayName) { |
|
1848 var warnAboutAccessingRef = function () { |
|
1849 if (!specialPropRefWarningShown) { |
|
1850 specialPropRefWarningShown = true; |
|
1851 warningWithoutStack$1(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName); |
|
1852 } |
|
1853 }; |
|
1854 warnAboutAccessingRef.isReactWarning = true; |
|
1855 Object.defineProperty(props, 'ref', { |
|
1856 get: warnAboutAccessingRef, |
|
1857 configurable: true |
|
1858 }); |
|
1859 } |
|
1860 |
|
1861 /** |
|
1862 * Factory method to create a new React element. This no longer adheres to |
|
1863 * the class pattern, so do not use new to call it. Also, no instanceof check |
|
1864 * will work. Instead test $$typeof field against Symbol.for('react.element') to check |
|
1865 * if something is a React Element. |
|
1866 * |
|
1867 * @param {*} type |
|
1868 * @param {*} key |
|
1869 * @param {string|object} ref |
|
1870 * @param {*} self A *temporary* helper to detect places where `this` is |
|
1871 * different from the `owner` when React.createElement is called, so that we |
|
1872 * can warn. We want to get rid of owner and replace string `ref`s with arrow |
|
1873 * functions, and as long as `this` and owner are the same, there will be no |
|
1874 * change in behavior. |
|
1875 * @param {*} source An annotation object (added by a transpiler or otherwise) |
|
1876 * indicating filename, line number, and/or other information. |
|
1877 * @param {*} owner |
|
1878 * @param {*} props |
|
1879 * @internal |
|
1880 */ |
|
1881 var ReactElement = function (type, key, ref, self, source, owner, props) { |
|
1882 var element = { |
|
1883 // This tag allows us to uniquely identify this as a React Element |
|
1884 $$typeof: REACT_ELEMENT_TYPE, |
|
1885 |
|
1886 // Built-in properties that belong on the element |
|
1887 type: type, |
|
1888 key: key, |
|
1889 ref: ref, |
|
1890 props: props, |
|
1891 |
|
1892 // Record the component responsible for creating this element. |
|
1893 _owner: owner |
|
1894 }; |
|
1895 |
|
1896 { |
|
1897 // The validation flag is currently mutative. We put it on |
|
1898 // an external backing store so that we can freeze the whole object. |
|
1899 // This can be replaced with a WeakMap once they are implemented in |
|
1900 // commonly used development environments. |
|
1901 element._store = {}; |
|
1902 |
|
1903 // To make comparing ReactElements easier for testing purposes, we make |
|
1904 // the validation flag non-enumerable (where possible, which should |
|
1905 // include every environment we run tests in), so the test framework |
|
1906 // ignores it. |
|
1907 Object.defineProperty(element._store, 'validated', { |
|
1908 configurable: false, |
|
1909 enumerable: false, |
|
1910 writable: true, |
|
1911 value: false |
|
1912 }); |
|
1913 // self and source are DEV only properties. |
|
1914 Object.defineProperty(element, '_self', { |
|
1915 configurable: false, |
|
1916 enumerable: false, |
|
1917 writable: false, |
|
1918 value: self |
|
1919 }); |
|
1920 // Two elements created in two different places should be considered |
|
1921 // equal for testing purposes and therefore we hide it from enumeration. |
|
1922 Object.defineProperty(element, '_source', { |
|
1923 configurable: false, |
|
1924 enumerable: false, |
|
1925 writable: false, |
|
1926 value: source |
|
1927 }); |
|
1928 if (Object.freeze) { |
|
1929 Object.freeze(element.props); |
|
1930 Object.freeze(element); |
|
1931 } |
|
1932 } |
|
1933 |
|
1934 return element; |
|
1935 }; |
|
1936 |
|
1937 /** |
|
1938 * Create and return a new ReactElement of the given type. |
|
1939 * See https://reactjs.org/docs/react-api.html#createelement |
|
1940 */ |
|
1941 function createElement(type, config, children) { |
|
1942 var propName = void 0; |
|
1943 |
|
1944 // Reserved names are extracted |
|
1945 var props = {}; |
|
1946 |
|
1947 var key = null; |
|
1948 var ref = null; |
|
1949 var self = null; |
|
1950 var source = null; |
|
1951 |
|
1952 if (config != null) { |
|
1953 if (hasValidRef(config)) { |
|
1954 ref = config.ref; |
|
1955 } |
|
1956 if (hasValidKey(config)) { |
|
1957 key = '' + config.key; |
|
1958 } |
|
1959 |
|
1960 self = config.__self === undefined ? null : config.__self; |
|
1961 source = config.__source === undefined ? null : config.__source; |
|
1962 // Remaining properties are added to a new props object |
|
1963 for (propName in config) { |
|
1964 if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) { |
|
1965 props[propName] = config[propName]; |
|
1966 } |
|
1967 } |
|
1968 } |
|
1969 |
|
1970 // Children can be more than one argument, and those are transferred onto |
|
1971 // the newly allocated props object. |
|
1972 var childrenLength = arguments.length - 2; |
|
1973 if (childrenLength === 1) { |
|
1974 props.children = children; |
|
1975 } else if (childrenLength > 1) { |
|
1976 var childArray = Array(childrenLength); |
|
1977 for (var i = 0; i < childrenLength; i++) { |
|
1978 childArray[i] = arguments[i + 2]; |
|
1979 } |
|
1980 { |
|
1981 if (Object.freeze) { |
|
1982 Object.freeze(childArray); |
|
1983 } |
|
1984 } |
|
1985 props.children = childArray; |
|
1986 } |
|
1987 |
|
1988 // Resolve default props |
|
1989 if (type && type.defaultProps) { |
|
1990 var defaultProps = type.defaultProps; |
|
1991 for (propName in defaultProps) { |
|
1992 if (props[propName] === undefined) { |
|
1993 props[propName] = defaultProps[propName]; |
|
1994 } |
|
1995 } |
|
1996 } |
|
1997 { |
|
1998 if (key || ref) { |
|
1999 var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type; |
|
2000 if (key) { |
|
2001 defineKeyPropWarningGetter(props, displayName); |
|
2002 } |
|
2003 if (ref) { |
|
2004 defineRefPropWarningGetter(props, displayName); |
|
2005 } |
|
2006 } |
|
2007 } |
|
2008 return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props); |
|
2009 } |
|
2010 |
|
2011 /** |
|
2012 * Return a function that produces ReactElements of a given type. |
|
2013 * See https://reactjs.org/docs/react-api.html#createfactory |
|
2014 */ |
|
2015 |
|
2016 |
|
2017 function cloneAndReplaceKey(oldElement, newKey) { |
|
2018 var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props); |
|
2019 |
|
2020 return newElement; |
|
2021 } |
|
2022 |
|
2023 /** |
|
2024 * Clone and return a new ReactElement using element as the starting point. |
|
2025 * See https://reactjs.org/docs/react-api.html#cloneelement |
|
2026 */ |
|
2027 function cloneElement(element, config, children) { |
|
2028 !!(element === null || element === undefined) ? invariant(false, 'React.cloneElement(...): The argument must be a React element, but you passed %s.', element) : void 0; |
|
2029 |
|
2030 var propName = void 0; |
|
2031 |
|
2032 // Original props are copied |
|
2033 var props = objectAssign({}, element.props); |
|
2034 |
|
2035 // Reserved names are extracted |
|
2036 var key = element.key; |
|
2037 var ref = element.ref; |
|
2038 // Self is preserved since the owner is preserved. |
|
2039 var self = element._self; |
|
2040 // Source is preserved since cloneElement is unlikely to be targeted by a |
|
2041 // transpiler, and the original source is probably a better indicator of the |
|
2042 // true owner. |
|
2043 var source = element._source; |
|
2044 |
|
2045 // Owner will be preserved, unless ref is overridden |
|
2046 var owner = element._owner; |
|
2047 |
|
2048 if (config != null) { |
|
2049 if (hasValidRef(config)) { |
|
2050 // Silently steal the ref from the parent. |
|
2051 ref = config.ref; |
|
2052 owner = ReactCurrentOwner.current; |
|
2053 } |
|
2054 if (hasValidKey(config)) { |
|
2055 key = '' + config.key; |
|
2056 } |
|
2057 |
|
2058 // Remaining properties override existing props |
|
2059 var defaultProps = void 0; |
|
2060 if (element.type && element.type.defaultProps) { |
|
2061 defaultProps = element.type.defaultProps; |
|
2062 } |
|
2063 for (propName in config) { |
|
2064 if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) { |
|
2065 if (config[propName] === undefined && defaultProps !== undefined) { |
|
2066 // Resolve default props |
|
2067 props[propName] = defaultProps[propName]; |
|
2068 } else { |
|
2069 props[propName] = config[propName]; |
|
2070 } |
|
2071 } |
|
2072 } |
|
2073 } |
|
2074 |
|
2075 // Children can be more than one argument, and those are transferred onto |
|
2076 // the newly allocated props object. |
|
2077 var childrenLength = arguments.length - 2; |
|
2078 if (childrenLength === 1) { |
|
2079 props.children = children; |
|
2080 } else if (childrenLength > 1) { |
|
2081 var childArray = Array(childrenLength); |
|
2082 for (var i = 0; i < childrenLength; i++) { |
|
2083 childArray[i] = arguments[i + 2]; |
|
2084 } |
|
2085 props.children = childArray; |
|
2086 } |
|
2087 |
|
2088 return ReactElement(element.type, key, ref, self, source, owner, props); |
|
2089 } |
|
2090 |
|
2091 /** |
|
2092 * Verifies the object is a ReactElement. |
|
2093 * See https://reactjs.org/docs/react-api.html#isvalidelement |
|
2094 * @param {?object} object |
|
2095 * @return {boolean} True if `object` is a ReactElement. |
|
2096 * @final |
|
2097 */ |
|
2098 function isValidElement(object) { |
|
2099 return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE; |
|
2100 } |
|
2101 |
|
2102 var SEPARATOR = '.'; |
|
2103 var SUBSEPARATOR = ':'; |
|
2104 |
|
2105 /** |
|
2106 * Escape and wrap key so it is safe to use as a reactid |
|
2107 * |
|
2108 * @param {string} key to be escaped. |
|
2109 * @return {string} the escaped key. |
|
2110 */ |
|
2111 function escape(key) { |
|
2112 var escapeRegex = /[=:]/g; |
|
2113 var escaperLookup = { |
|
2114 '=': '=0', |
|
2115 ':': '=2' |
|
2116 }; |
|
2117 var escapedString = ('' + key).replace(escapeRegex, function (match) { |
|
2118 return escaperLookup[match]; |
|
2119 }); |
|
2120 |
|
2121 return '$' + escapedString; |
|
2122 } |
|
2123 |
|
2124 /** |
|
2125 * TODO: Test that a single child and an array with one item have the same key |
|
2126 * pattern. |
|
2127 */ |
|
2128 |
|
2129 var didWarnAboutMaps = false; |
|
2130 |
|
2131 var userProvidedKeyEscapeRegex = /\/+/g; |
|
2132 function escapeUserProvidedKey(text) { |
|
2133 return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/'); |
|
2134 } |
|
2135 |
|
2136 var POOL_SIZE = 10; |
|
2137 var traverseContextPool = []; |
|
2138 function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) { |
|
2139 if (traverseContextPool.length) { |
|
2140 var traverseContext = traverseContextPool.pop(); |
|
2141 traverseContext.result = mapResult; |
|
2142 traverseContext.keyPrefix = keyPrefix; |
|
2143 traverseContext.func = mapFunction; |
|
2144 traverseContext.context = mapContext; |
|
2145 traverseContext.count = 0; |
|
2146 return traverseContext; |
|
2147 } else { |
|
2148 return { |
|
2149 result: mapResult, |
|
2150 keyPrefix: keyPrefix, |
|
2151 func: mapFunction, |
|
2152 context: mapContext, |
|
2153 count: 0 |
|
2154 }; |
|
2155 } |
|
2156 } |
|
2157 |
|
2158 function releaseTraverseContext(traverseContext) { |
|
2159 traverseContext.result = null; |
|
2160 traverseContext.keyPrefix = null; |
|
2161 traverseContext.func = null; |
|
2162 traverseContext.context = null; |
|
2163 traverseContext.count = 0; |
|
2164 if (traverseContextPool.length < POOL_SIZE) { |
|
2165 traverseContextPool.push(traverseContext); |
|
2166 } |
|
2167 } |
|
2168 |
|
2169 /** |
|
2170 * @param {?*} children Children tree container. |
|
2171 * @param {!string} nameSoFar Name of the key path so far. |
|
2172 * @param {!function} callback Callback to invoke with each child found. |
|
2173 * @param {?*} traverseContext Used to pass information throughout the traversal |
|
2174 * process. |
|
2175 * @return {!number} The number of children in this subtree. |
|
2176 */ |
|
2177 function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) { |
|
2178 var type = typeof children; |
|
2179 |
|
2180 if (type === 'undefined' || type === 'boolean') { |
|
2181 // All of the above are perceived as null. |
|
2182 children = null; |
|
2183 } |
|
2184 |
|
2185 var invokeCallback = false; |
|
2186 |
|
2187 if (children === null) { |
|
2188 invokeCallback = true; |
|
2189 } else { |
|
2190 switch (type) { |
|
2191 case 'string': |
|
2192 case 'number': |
|
2193 invokeCallback = true; |
|
2194 break; |
|
2195 case 'object': |
|
2196 switch (children.$$typeof) { |
|
2197 case REACT_ELEMENT_TYPE: |
|
2198 case REACT_PORTAL_TYPE: |
|
2199 invokeCallback = true; |
|
2200 } |
|
2201 } |
|
2202 } |
|
2203 |
|
2204 if (invokeCallback) { |
|
2205 callback(traverseContext, children, |
|
2206 // If it's the only child, treat the name as if it was wrapped in an array |
|
2207 // so that it's consistent if the number of children grows. |
|
2208 nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar); |
|
2209 return 1; |
|
2210 } |
|
2211 |
|
2212 var child = void 0; |
|
2213 var nextName = void 0; |
|
2214 var subtreeCount = 0; // Count of children found in the current subtree. |
|
2215 var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR; |
|
2216 |
|
2217 if (Array.isArray(children)) { |
|
2218 for (var i = 0; i < children.length; i++) { |
|
2219 child = children[i]; |
|
2220 nextName = nextNamePrefix + getComponentKey(child, i); |
|
2221 subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext); |
|
2222 } |
|
2223 } else { |
|
2224 var iteratorFn = getIteratorFn(children); |
|
2225 if (typeof iteratorFn === 'function') { |
|
2226 { |
|
2227 // Warn about using Maps as children |
|
2228 if (iteratorFn === children.entries) { |
|
2229 !didWarnAboutMaps ? warning$1(false, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.') : void 0; |
|
2230 didWarnAboutMaps = true; |
|
2231 } |
|
2232 } |
|
2233 |
|
2234 var iterator = iteratorFn.call(children); |
|
2235 var step = void 0; |
|
2236 var ii = 0; |
|
2237 while (!(step = iterator.next()).done) { |
|
2238 child = step.value; |
|
2239 nextName = nextNamePrefix + getComponentKey(child, ii++); |
|
2240 subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext); |
|
2241 } |
|
2242 } else if (type === 'object') { |
|
2243 var addendum = ''; |
|
2244 { |
|
2245 addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum(); |
|
2246 } |
|
2247 var childrenString = '' + children; |
|
2248 invariant(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum); |
|
2249 } |
|
2250 } |
|
2251 |
|
2252 return subtreeCount; |
|
2253 } |
|
2254 |
|
2255 /** |
|
2256 * Traverses children that are typically specified as `props.children`, but |
|
2257 * might also be specified through attributes: |
|
2258 * |
|
2259 * - `traverseAllChildren(this.props.children, ...)` |
|
2260 * - `traverseAllChildren(this.props.leftPanelChildren, ...)` |
|
2261 * |
|
2262 * The `traverseContext` is an optional argument that is passed through the |
|
2263 * entire traversal. It can be used to store accumulations or anything else that |
|
2264 * the callback might find relevant. |
|
2265 * |
|
2266 * @param {?*} children Children tree object. |
|
2267 * @param {!function} callback To invoke upon traversing each child. |
|
2268 * @param {?*} traverseContext Context for traversal. |
|
2269 * @return {!number} The number of children in this subtree. |
|
2270 */ |
|
2271 function traverseAllChildren(children, callback, traverseContext) { |
|
2272 if (children == null) { |
|
2273 return 0; |
|
2274 } |
|
2275 |
|
2276 return traverseAllChildrenImpl(children, '', callback, traverseContext); |
|
2277 } |
|
2278 |
|
2279 /** |
|
2280 * Generate a key string that identifies a component within a set. |
|
2281 * |
|
2282 * @param {*} component A component that could contain a manual key. |
|
2283 * @param {number} index Index that is used if a manual key is not provided. |
|
2284 * @return {string} |
|
2285 */ |
|
2286 function getComponentKey(component, index) { |
|
2287 // Do some typechecking here since we call this blindly. We want to ensure |
|
2288 // that we don't block potential future ES APIs. |
|
2289 if (typeof component === 'object' && component !== null && component.key != null) { |
|
2290 // Explicit key |
|
2291 return escape(component.key); |
|
2292 } |
|
2293 // Implicit key determined by the index in the set |
|
2294 return index.toString(36); |
|
2295 } |
|
2296 |
|
2297 function forEachSingleChild(bookKeeping, child, name) { |
|
2298 var func = bookKeeping.func, |
|
2299 context = bookKeeping.context; |
|
2300 |
|
2301 func.call(context, child, bookKeeping.count++); |
|
2302 } |
|
2303 |
|
2304 /** |
|
2305 * Iterates through children that are typically specified as `props.children`. |
|
2306 * |
|
2307 * See https://reactjs.org/docs/react-api.html#reactchildrenforeach |
|
2308 * |
|
2309 * The provided forEachFunc(child, index) will be called for each |
|
2310 * leaf child. |
|
2311 * |
|
2312 * @param {?*} children Children tree container. |
|
2313 * @param {function(*, int)} forEachFunc |
|
2314 * @param {*} forEachContext Context for forEachContext. |
|
2315 */ |
|
2316 function forEachChildren(children, forEachFunc, forEachContext) { |
|
2317 if (children == null) { |
|
2318 return children; |
|
2319 } |
|
2320 var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext); |
|
2321 traverseAllChildren(children, forEachSingleChild, traverseContext); |
|
2322 releaseTraverseContext(traverseContext); |
|
2323 } |
|
2324 |
|
2325 function mapSingleChildIntoContext(bookKeeping, child, childKey) { |
|
2326 var result = bookKeeping.result, |
|
2327 keyPrefix = bookKeeping.keyPrefix, |
|
2328 func = bookKeeping.func, |
|
2329 context = bookKeeping.context; |
|
2330 |
|
2331 |
|
2332 var mappedChild = func.call(context, child, bookKeeping.count++); |
|
2333 if (Array.isArray(mappedChild)) { |
|
2334 mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) { |
|
2335 return c; |
|
2336 }); |
|
2337 } else if (mappedChild != null) { |
|
2338 if (isValidElement(mappedChild)) { |
|
2339 mappedChild = cloneAndReplaceKey(mappedChild, |
|
2340 // Keep both the (mapped) and old keys if they differ, just as |
|
2341 // traverseAllChildren used to do for objects as children |
|
2342 keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey); |
|
2343 } |
|
2344 result.push(mappedChild); |
|
2345 } |
|
2346 } |
|
2347 |
|
2348 function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) { |
|
2349 var escapedPrefix = ''; |
|
2350 if (prefix != null) { |
|
2351 escapedPrefix = escapeUserProvidedKey(prefix) + '/'; |
|
2352 } |
|
2353 var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context); |
|
2354 traverseAllChildren(children, mapSingleChildIntoContext, traverseContext); |
|
2355 releaseTraverseContext(traverseContext); |
|
2356 } |
|
2357 |
|
2358 /** |
|
2359 * Maps children that are typically specified as `props.children`. |
|
2360 * |
|
2361 * See https://reactjs.org/docs/react-api.html#reactchildrenmap |
|
2362 * |
|
2363 * The provided mapFunction(child, key, index) will be called for each |
|
2364 * leaf child. |
|
2365 * |
|
2366 * @param {?*} children Children tree container. |
|
2367 * @param {function(*, int)} func The map function. |
|
2368 * @param {*} context Context for mapFunction. |
|
2369 * @return {object} Object containing the ordered map of results. |
|
2370 */ |
|
2371 function mapChildren(children, func, context) { |
|
2372 if (children == null) { |
|
2373 return children; |
|
2374 } |
|
2375 var result = []; |
|
2376 mapIntoWithKeyPrefixInternal(children, result, null, func, context); |
|
2377 return result; |
|
2378 } |
|
2379 |
|
2380 /** |
|
2381 * Count the number of children that are typically specified as |
|
2382 * `props.children`. |
|
2383 * |
|
2384 * See https://reactjs.org/docs/react-api.html#reactchildrencount |
|
2385 * |
|
2386 * @param {?*} children Children tree container. |
|
2387 * @return {number} The number of children. |
|
2388 */ |
|
2389 function countChildren(children) { |
|
2390 return traverseAllChildren(children, function () { |
|
2391 return null; |
|
2392 }, null); |
|
2393 } |
|
2394 |
|
2395 /** |
|
2396 * Flatten a children object (typically specified as `props.children`) and |
|
2397 * return an array with appropriately re-keyed children. |
|
2398 * |
|
2399 * See https://reactjs.org/docs/react-api.html#reactchildrentoarray |
|
2400 */ |
|
2401 function toArray(children) { |
|
2402 var result = []; |
|
2403 mapIntoWithKeyPrefixInternal(children, result, null, function (child) { |
|
2404 return child; |
|
2405 }); |
|
2406 return result; |
|
2407 } |
|
2408 |
|
2409 /** |
|
2410 * Returns the first child in a collection of children and verifies that there |
|
2411 * is only one child in the collection. |
|
2412 * |
|
2413 * See https://reactjs.org/docs/react-api.html#reactchildrenonly |
|
2414 * |
|
2415 * The current implementation of this function assumes that a single child gets |
|
2416 * passed without a wrapper, but the purpose of this helper function is to |
|
2417 * abstract away the particular structure of children. |
|
2418 * |
|
2419 * @param {?object} children Child collection structure. |
|
2420 * @return {ReactElement} The first and only `ReactElement` contained in the |
|
2421 * structure. |
|
2422 */ |
|
2423 function onlyChild(children) { |
|
2424 !isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0; |
|
2425 return children; |
|
2426 } |
|
2427 |
|
2428 function createContext(defaultValue, calculateChangedBits) { |
|
2429 if (calculateChangedBits === undefined) { |
|
2430 calculateChangedBits = null; |
|
2431 } else { |
|
2432 { |
|
2433 !(calculateChangedBits === null || typeof calculateChangedBits === 'function') ? warningWithoutStack$1(false, 'createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits) : void 0; |
|
2434 } |
|
2435 } |
|
2436 |
|
2437 var context = { |
|
2438 $$typeof: REACT_CONTEXT_TYPE, |
|
2439 _calculateChangedBits: calculateChangedBits, |
|
2440 // As a workaround to support multiple concurrent renderers, we categorize |
|
2441 // some renderers as primary and others as secondary. We only expect |
|
2442 // there to be two concurrent renderers at most: React Native (primary) and |
|
2443 // Fabric (secondary); React DOM (primary) and React ART (secondary). |
|
2444 // Secondary renderers store their context values on separate fields. |
|
2445 _currentValue: defaultValue, |
|
2446 _currentValue2: defaultValue, |
|
2447 // Used to track how many concurrent renderers this context currently |
|
2448 // supports within in a single renderer. Such as parallel server rendering. |
|
2449 _threadCount: 0, |
|
2450 // These are circular |
|
2451 Provider: null, |
|
2452 Consumer: null |
|
2453 }; |
|
2454 |
|
2455 context.Provider = { |
|
2456 $$typeof: REACT_PROVIDER_TYPE, |
|
2457 _context: context |
|
2458 }; |
|
2459 |
|
2460 var hasWarnedAboutUsingNestedContextConsumers = false; |
|
2461 var hasWarnedAboutUsingConsumerProvider = false; |
|
2462 |
|
2463 { |
|
2464 // A separate object, but proxies back to the original context object for |
|
2465 // backwards compatibility. It has a different $$typeof, so we can properly |
|
2466 // warn for the incorrect usage of Context as a Consumer. |
|
2467 var Consumer = { |
|
2468 $$typeof: REACT_CONTEXT_TYPE, |
|
2469 _context: context, |
|
2470 _calculateChangedBits: context._calculateChangedBits |
|
2471 }; |
|
2472 // $FlowFixMe: Flow complains about not setting a value, which is intentional here |
|
2473 Object.defineProperties(Consumer, { |
|
2474 Provider: { |
|
2475 get: function () { |
|
2476 if (!hasWarnedAboutUsingConsumerProvider) { |
|
2477 hasWarnedAboutUsingConsumerProvider = true; |
|
2478 warning$1(false, 'Rendering <Context.Consumer.Provider> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Provider> instead?'); |
|
2479 } |
|
2480 return context.Provider; |
|
2481 }, |
|
2482 set: function (_Provider) { |
|
2483 context.Provider = _Provider; |
|
2484 } |
|
2485 }, |
|
2486 _currentValue: { |
|
2487 get: function () { |
|
2488 return context._currentValue; |
|
2489 }, |
|
2490 set: function (_currentValue) { |
|
2491 context._currentValue = _currentValue; |
|
2492 } |
|
2493 }, |
|
2494 _currentValue2: { |
|
2495 get: function () { |
|
2496 return context._currentValue2; |
|
2497 }, |
|
2498 set: function (_currentValue2) { |
|
2499 context._currentValue2 = _currentValue2; |
|
2500 } |
|
2501 }, |
|
2502 _threadCount: { |
|
2503 get: function () { |
|
2504 return context._threadCount; |
|
2505 }, |
|
2506 set: function (_threadCount) { |
|
2507 context._threadCount = _threadCount; |
|
2508 } |
|
2509 }, |
|
2510 Consumer: { |
|
2511 get: function () { |
|
2512 if (!hasWarnedAboutUsingNestedContextConsumers) { |
|
2513 hasWarnedAboutUsingNestedContextConsumers = true; |
|
2514 warning$1(false, 'Rendering <Context.Consumer.Consumer> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Consumer> instead?'); |
|
2515 } |
|
2516 return context.Consumer; |
|
2517 } |
|
2518 } |
|
2519 }); |
|
2520 // $FlowFixMe: Flow complains about missing properties because it doesn't understand defineProperty |
|
2521 context.Consumer = Consumer; |
|
2522 } |
|
2523 |
|
2524 { |
|
2525 context._currentRenderer = null; |
|
2526 context._currentRenderer2 = null; |
|
2527 } |
|
2528 |
|
2529 return context; |
|
2530 } |
|
2531 |
|
2532 function lazy(ctor) { |
|
2533 var lazyType = { |
|
2534 $$typeof: REACT_LAZY_TYPE, |
|
2535 _ctor: ctor, |
|
2536 // React uses these fields to store the result. |
|
2537 _status: -1, |
|
2538 _result: null |
|
2539 }; |
|
2540 |
|
2541 { |
|
2542 // In production, this would just set it on the object. |
|
2543 var defaultProps = void 0; |
|
2544 var propTypes = void 0; |
|
2545 Object.defineProperties(lazyType, { |
|
2546 defaultProps: { |
|
2547 configurable: true, |
|
2548 get: function () { |
|
2549 return defaultProps; |
|
2550 }, |
|
2551 set: function (newDefaultProps) { |
|
2552 warning$1(false, 'React.lazy(...): It is not supported to assign `defaultProps` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.'); |
|
2553 defaultProps = newDefaultProps; |
|
2554 // Match production behavior more closely: |
|
2555 Object.defineProperty(lazyType, 'defaultProps', { |
|
2556 enumerable: true |
|
2557 }); |
|
2558 } |
|
2559 }, |
|
2560 propTypes: { |
|
2561 configurable: true, |
|
2562 get: function () { |
|
2563 return propTypes; |
|
2564 }, |
|
2565 set: function (newPropTypes) { |
|
2566 warning$1(false, 'React.lazy(...): It is not supported to assign `propTypes` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.'); |
|
2567 propTypes = newPropTypes; |
|
2568 // Match production behavior more closely: |
|
2569 Object.defineProperty(lazyType, 'propTypes', { |
|
2570 enumerable: true |
|
2571 }); |
|
2572 } |
|
2573 } |
|
2574 }); |
|
2575 } |
|
2576 |
|
2577 return lazyType; |
|
2578 } |
|
2579 |
|
2580 function forwardRef(render) { |
|
2581 { |
|
2582 if (render != null && render.$$typeof === REACT_MEMO_TYPE) { |
|
2583 warningWithoutStack$1(false, 'forwardRef requires a render function but received a `memo` ' + 'component. Instead of forwardRef(memo(...)), use ' + 'memo(forwardRef(...)).'); |
|
2584 } else if (typeof render !== 'function') { |
|
2585 warningWithoutStack$1(false, 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render); |
|
2586 } else { |
|
2587 !( |
|
2588 // Do not warn for 0 arguments because it could be due to usage of the 'arguments' object |
|
2589 render.length === 0 || render.length === 2) ? warningWithoutStack$1(false, 'forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.') : void 0; |
|
2590 } |
|
2591 |
|
2592 if (render != null) { |
|
2593 !(render.defaultProps == null && render.propTypes == null) ? warningWithoutStack$1(false, 'forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?') : void 0; |
|
2594 } |
|
2595 } |
|
2596 |
|
2597 return { |
|
2598 $$typeof: REACT_FORWARD_REF_TYPE, |
|
2599 render: render |
|
2600 }; |
|
2601 } |
|
2602 |
|
2603 function isValidElementType(type) { |
|
2604 return typeof type === 'string' || typeof type === 'function' || |
|
2605 // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill. |
|
2606 type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE); |
|
2607 } |
|
2608 |
|
2609 function memo(type, compare) { |
|
2610 { |
|
2611 if (!isValidElementType(type)) { |
|
2612 warningWithoutStack$1(false, 'memo: The first argument must be a component. Instead ' + 'received: %s', type === null ? 'null' : typeof type); |
|
2613 } |
|
2614 } |
|
2615 return { |
|
2616 $$typeof: REACT_MEMO_TYPE, |
|
2617 type: type, |
|
2618 compare: compare === undefined ? null : compare |
|
2619 }; |
|
2620 } |
|
2621 |
|
2622 function resolveDispatcher() { |
|
2623 var dispatcher = ReactCurrentDispatcher.current; |
|
2624 !(dispatcher !== null) ? invariant(false, 'Hooks can only be called inside the body of a function component. (https://fb.me/react-invalid-hook-call)') : void 0; |
|
2625 return dispatcher; |
|
2626 } |
|
2627 |
|
2628 function useContext(Context, unstable_observedBits) { |
|
2629 var dispatcher = resolveDispatcher(); |
|
2630 { |
|
2631 !(unstable_observedBits === undefined) ? warning$1(false, 'useContext() second argument is reserved for future ' + 'use in React. Passing it is not supported. ' + 'You passed: %s.%s', unstable_observedBits, typeof unstable_observedBits === 'number' && Array.isArray(arguments[2]) ? '\n\nDid you call array.map(useContext)? ' + 'Calling Hooks inside a loop is not supported. ' + 'Learn more at https://fb.me/rules-of-hooks' : '') : void 0; |
|
2632 |
|
2633 // TODO: add a more generic warning for invalid values. |
|
2634 if (Context._context !== undefined) { |
|
2635 var realContext = Context._context; |
|
2636 // Don't deduplicate because this legitimately causes bugs |
|
2637 // and nobody should be using this in existing code. |
|
2638 if (realContext.Consumer === Context) { |
|
2639 warning$1(false, 'Calling useContext(Context.Consumer) is not supported, may cause bugs, and will be ' + 'removed in a future major release. Did you mean to call useContext(Context) instead?'); |
|
2640 } else if (realContext.Provider === Context) { |
|
2641 warning$1(false, 'Calling useContext(Context.Provider) is not supported. ' + 'Did you mean to call useContext(Context) instead?'); |
|
2642 } |
|
2643 } |
|
2644 } |
|
2645 return dispatcher.useContext(Context, unstable_observedBits); |
|
2646 } |
|
2647 |
|
2648 function useState(initialState) { |
|
2649 var dispatcher = resolveDispatcher(); |
|
2650 return dispatcher.useState(initialState); |
|
2651 } |
|
2652 |
|
2653 function useReducer(reducer, initialArg, init) { |
|
2654 var dispatcher = resolveDispatcher(); |
|
2655 return dispatcher.useReducer(reducer, initialArg, init); |
|
2656 } |
|
2657 |
|
2658 function useRef(initialValue) { |
|
2659 var dispatcher = resolveDispatcher(); |
|
2660 return dispatcher.useRef(initialValue); |
|
2661 } |
|
2662 |
|
2663 function useEffect(create, inputs) { |
|
2664 var dispatcher = resolveDispatcher(); |
|
2665 return dispatcher.useEffect(create, inputs); |
|
2666 } |
|
2667 |
|
2668 function useLayoutEffect(create, inputs) { |
|
2669 var dispatcher = resolveDispatcher(); |
|
2670 return dispatcher.useLayoutEffect(create, inputs); |
|
2671 } |
|
2672 |
|
2673 function useCallback(callback, inputs) { |
|
2674 var dispatcher = resolveDispatcher(); |
|
2675 return dispatcher.useCallback(callback, inputs); |
|
2676 } |
|
2677 |
|
2678 function useMemo(create, inputs) { |
|
2679 var dispatcher = resolveDispatcher(); |
|
2680 return dispatcher.useMemo(create, inputs); |
|
2681 } |
|
2682 |
|
2683 function useImperativeHandle(ref, create, inputs) { |
|
2684 var dispatcher = resolveDispatcher(); |
|
2685 return dispatcher.useImperativeHandle(ref, create, inputs); |
|
2686 } |
|
2687 |
|
2688 function useDebugValue(value, formatterFn) { |
|
2689 { |
|
2690 var dispatcher = resolveDispatcher(); |
|
2691 return dispatcher.useDebugValue(value, formatterFn); |
|
2692 } |
|
2693 } |
|
2694 |
|
2695 /** |
|
2696 * Copyright (c) 2013-present, Facebook, Inc. |
|
2697 * |
|
2698 * This source code is licensed under the MIT license found in the |
|
2699 * LICENSE file in the root directory of this source tree. |
|
2700 */ |
|
2701 |
|
2702 |
|
2703 |
|
2704 var ReactPropTypesSecret$1 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'; |
|
2705 |
|
2706 var ReactPropTypesSecret_1 = ReactPropTypesSecret$1; |
|
2707 |
|
2708 /** |
|
2709 * Copyright (c) 2013-present, Facebook, Inc. |
|
2710 * |
|
2711 * This source code is licensed under the MIT license found in the |
|
2712 * LICENSE file in the root directory of this source tree. |
|
2713 */ |
|
2714 |
|
2715 |
|
2716 |
|
2717 var printWarning$1 = function() {}; |
|
2718 |
|
2719 { |
|
2720 var ReactPropTypesSecret = ReactPropTypesSecret_1; |
|
2721 var loggedTypeFailures = {}; |
|
2722 |
|
2723 printWarning$1 = function(text) { |
|
2724 var message = 'Warning: ' + text; |
|
2725 if (typeof console !== 'undefined') { |
|
2726 console.error(message); |
|
2727 } |
|
2728 try { |
|
2729 // --- Welcome to debugging React --- |
|
2730 // This error was thrown as a convenience so that you can use this stack |
|
2731 // to find the callsite that caused this warning to fire. |
|
2732 throw new Error(message); |
|
2733 } catch (x) {} |
|
2734 }; |
|
2735 } |
|
2736 |
|
2737 /** |
|
2738 * Assert that the values match with the type specs. |
|
2739 * Error messages are memorized and will only be shown once. |
|
2740 * |
|
2741 * @param {object} typeSpecs Map of name to a ReactPropType |
|
2742 * @param {object} values Runtime values that need to be type-checked |
|
2743 * @param {string} location e.g. "prop", "context", "child context" |
|
2744 * @param {string} componentName Name of the component for error messages. |
|
2745 * @param {?Function} getStack Returns the component stack. |
|
2746 * @private |
|
2747 */ |
|
2748 function checkPropTypes(typeSpecs, values, location, componentName, getStack) { |
|
2749 { |
|
2750 for (var typeSpecName in typeSpecs) { |
|
2751 if (typeSpecs.hasOwnProperty(typeSpecName)) { |
|
2752 var error; |
|
2753 // Prop type validation may throw. In case they do, we don't want to |
|
2754 // fail the render phase where it didn't fail before. So we log it. |
|
2755 // After these have been cleaned up, we'll let them throw. |
|
2756 try { |
|
2757 // This is intentionally an invariant that gets caught. It's the same |
|
2758 // behavior as without this statement except with a better message. |
|
2759 if (typeof typeSpecs[typeSpecName] !== 'function') { |
|
2760 var err = Error( |
|
2761 (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' + |
|
2762 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.' |
|
2763 ); |
|
2764 err.name = 'Invariant Violation'; |
|
2765 throw err; |
|
2766 } |
|
2767 error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret); |
|
2768 } catch (ex) { |
|
2769 error = ex; |
|
2770 } |
|
2771 if (error && !(error instanceof Error)) { |
|
2772 printWarning$1( |
|
2773 (componentName || 'React class') + ': type specification of ' + |
|
2774 location + ' `' + typeSpecName + '` is invalid; the type checker ' + |
|
2775 'function must return `null` or an `Error` but returned a ' + typeof error + '. ' + |
|
2776 'You may have forgotten to pass an argument to the type checker ' + |
|
2777 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + |
|
2778 'shape all require an argument).' |
|
2779 ); |
|
2780 |
|
2781 } |
|
2782 if (error instanceof Error && !(error.message in loggedTypeFailures)) { |
|
2783 // Only monitor this failure once because there tends to be a lot of the |
|
2784 // same error. |
|
2785 loggedTypeFailures[error.message] = true; |
|
2786 |
|
2787 var stack = getStack ? getStack() : ''; |
|
2788 |
|
2789 printWarning$1( |
|
2790 'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '') |
|
2791 ); |
|
2792 } |
|
2793 } |
|
2794 } |
|
2795 } |
|
2796 } |
|
2797 |
|
2798 var checkPropTypes_1 = checkPropTypes; |
|
2799 |
|
2800 /** |
|
2801 * ReactElementValidator provides a wrapper around a element factory |
|
2802 * which validates the props passed to the element. This is intended to be |
|
2803 * used only in DEV and could be replaced by a static type checker for languages |
|
2804 * that support it. |
|
2805 */ |
|
2806 |
|
2807 var propTypesMisspellWarningShown = void 0; |
|
2808 |
|
2809 { |
|
2810 propTypesMisspellWarningShown = false; |
|
2811 } |
|
2812 |
|
2813 function getDeclarationErrorAddendum() { |
|
2814 if (ReactCurrentOwner.current) { |
|
2815 var name = getComponentName(ReactCurrentOwner.current.type); |
|
2816 if (name) { |
|
2817 return '\n\nCheck the render method of `' + name + '`.'; |
|
2818 } |
|
2819 } |
|
2820 return ''; |
|
2821 } |
|
2822 |
|
2823 function getSourceInfoErrorAddendum(elementProps) { |
|
2824 if (elementProps !== null && elementProps !== undefined && elementProps.__source !== undefined) { |
|
2825 var source = elementProps.__source; |
|
2826 var fileName = source.fileName.replace(/^.*[\\\/]/, ''); |
|
2827 var lineNumber = source.lineNumber; |
|
2828 return '\n\nCheck your code at ' + fileName + ':' + lineNumber + '.'; |
|
2829 } |
|
2830 return ''; |
|
2831 } |
|
2832 |
|
2833 /** |
|
2834 * Warn if there's no key explicitly set on dynamic arrays of children or |
|
2835 * object keys are not valid. This allows us to keep track of children between |
|
2836 * updates. |
|
2837 */ |
|
2838 var ownerHasKeyUseWarning = {}; |
|
2839 |
|
2840 function getCurrentComponentErrorInfo(parentType) { |
|
2841 var info = getDeclarationErrorAddendum(); |
|
2842 |
|
2843 if (!info) { |
|
2844 var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name; |
|
2845 if (parentName) { |
|
2846 info = '\n\nCheck the top-level render call using <' + parentName + '>.'; |
|
2847 } |
|
2848 } |
|
2849 return info; |
|
2850 } |
|
2851 |
|
2852 /** |
|
2853 * Warn if the element doesn't have an explicit key assigned to it. |
|
2854 * This element is in an array. The array could grow and shrink or be |
|
2855 * reordered. All children that haven't already been validated are required to |
|
2856 * have a "key" property assigned to it. Error statuses are cached so a warning |
|
2857 * will only be shown once. |
|
2858 * |
|
2859 * @internal |
|
2860 * @param {ReactElement} element Element that requires a key. |
|
2861 * @param {*} parentType element's parent's type. |
|
2862 */ |
|
2863 function validateExplicitKey(element, parentType) { |
|
2864 if (!element._store || element._store.validated || element.key != null) { |
|
2865 return; |
|
2866 } |
|
2867 element._store.validated = true; |
|
2868 |
|
2869 var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType); |
|
2870 if (ownerHasKeyUseWarning[currentComponentErrorInfo]) { |
|
2871 return; |
|
2872 } |
|
2873 ownerHasKeyUseWarning[currentComponentErrorInfo] = true; |
|
2874 |
|
2875 // Usually the current owner is the offender, but if it accepts children as a |
|
2876 // property, it may be the creator of the child that's responsible for |
|
2877 // assigning it a key. |
|
2878 var childOwner = ''; |
|
2879 if (element && element._owner && element._owner !== ReactCurrentOwner.current) { |
|
2880 // Give the component that originally created this child. |
|
2881 childOwner = ' It was passed a child from ' + getComponentName(element._owner.type) + '.'; |
|
2882 } |
|
2883 |
|
2884 setCurrentlyValidatingElement(element); |
|
2885 { |
|
2886 warning$1(false, 'Each child in a list should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.', currentComponentErrorInfo, childOwner); |
|
2887 } |
|
2888 setCurrentlyValidatingElement(null); |
|
2889 } |
|
2890 |
|
2891 /** |
|
2892 * Ensure that every element either is passed in a static location, in an |
|
2893 * array with an explicit keys property defined, or in an object literal |
|
2894 * with valid key property. |
|
2895 * |
|
2896 * @internal |
|
2897 * @param {ReactNode} node Statically passed child of any type. |
|
2898 * @param {*} parentType node's parent's type. |
|
2899 */ |
|
2900 function validateChildKeys(node, parentType) { |
|
2901 if (typeof node !== 'object') { |
|
2902 return; |
|
2903 } |
|
2904 if (Array.isArray(node)) { |
|
2905 for (var i = 0; i < node.length; i++) { |
|
2906 var child = node[i]; |
|
2907 if (isValidElement(child)) { |
|
2908 validateExplicitKey(child, parentType); |
|
2909 } |
|
2910 } |
|
2911 } else if (isValidElement(node)) { |
|
2912 // This element was passed in a valid location. |
|
2913 if (node._store) { |
|
2914 node._store.validated = true; |
|
2915 } |
|
2916 } else if (node) { |
|
2917 var iteratorFn = getIteratorFn(node); |
|
2918 if (typeof iteratorFn === 'function') { |
|
2919 // Entry iterators used to provide implicit keys, |
|
2920 // but now we print a separate warning for them later. |
|
2921 if (iteratorFn !== node.entries) { |
|
2922 var iterator = iteratorFn.call(node); |
|
2923 var step = void 0; |
|
2924 while (!(step = iterator.next()).done) { |
|
2925 if (isValidElement(step.value)) { |
|
2926 validateExplicitKey(step.value, parentType); |
|
2927 } |
|
2928 } |
|
2929 } |
|
2930 } |
|
2931 } |
|
2932 } |
|
2933 |
|
2934 /** |
|
2935 * Given an element, validate that its props follow the propTypes definition, |
|
2936 * provided by the type. |
|
2937 * |
|
2938 * @param {ReactElement} element |
|
2939 */ |
|
2940 function validatePropTypes(element) { |
|
2941 var type = element.type; |
|
2942 if (type === null || type === undefined || typeof type === 'string') { |
|
2943 return; |
|
2944 } |
|
2945 var name = getComponentName(type); |
|
2946 var propTypes = void 0; |
|
2947 if (typeof type === 'function') { |
|
2948 propTypes = type.propTypes; |
|
2949 } else if (typeof type === 'object' && (type.$$typeof === REACT_FORWARD_REF_TYPE || |
|
2950 // Note: Memo only checks outer props here. |
|
2951 // Inner props are checked in the reconciler. |
|
2952 type.$$typeof === REACT_MEMO_TYPE)) { |
|
2953 propTypes = type.propTypes; |
|
2954 } else { |
|
2955 return; |
|
2956 } |
|
2957 if (propTypes) { |
|
2958 setCurrentlyValidatingElement(element); |
|
2959 checkPropTypes_1(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum); |
|
2960 setCurrentlyValidatingElement(null); |
|
2961 } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) { |
|
2962 propTypesMisspellWarningShown = true; |
|
2963 warningWithoutStack$1(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown'); |
|
2964 } |
|
2965 if (typeof type.getDefaultProps === 'function') { |
|
2966 !type.getDefaultProps.isReactClassApproved ? warningWithoutStack$1(false, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.') : void 0; |
|
2967 } |
|
2968 } |
|
2969 |
|
2970 /** |
|
2971 * Given a fragment, validate that it can only be provided with fragment props |
|
2972 * @param {ReactElement} fragment |
|
2973 */ |
|
2974 function validateFragmentProps(fragment) { |
|
2975 setCurrentlyValidatingElement(fragment); |
|
2976 |
|
2977 var keys = Object.keys(fragment.props); |
|
2978 for (var i = 0; i < keys.length; i++) { |
|
2979 var key = keys[i]; |
|
2980 if (key !== 'children' && key !== 'key') { |
|
2981 warning$1(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.', key); |
|
2982 break; |
|
2983 } |
|
2984 } |
|
2985 |
|
2986 if (fragment.ref !== null) { |
|
2987 warning$1(false, 'Invalid attribute `ref` supplied to `React.Fragment`.'); |
|
2988 } |
|
2989 |
|
2990 setCurrentlyValidatingElement(null); |
|
2991 } |
|
2992 |
|
2993 function createElementWithValidation(type, props, children) { |
|
2994 var validType = isValidElementType(type); |
|
2995 |
|
2996 // We warn in this case but don't throw. We expect the element creation to |
|
2997 // succeed and there will likely be errors in render. |
|
2998 if (!validType) { |
|
2999 var info = ''; |
|
3000 if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) { |
|
3001 info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports."; |
|
3002 } |
|
3003 |
|
3004 var sourceInfo = getSourceInfoErrorAddendum(props); |
|
3005 if (sourceInfo) { |
|
3006 info += sourceInfo; |
|
3007 } else { |
|
3008 info += getDeclarationErrorAddendum(); |
|
3009 } |
|
3010 |
|
3011 var typeString = void 0; |
|
3012 if (type === null) { |
|
3013 typeString = 'null'; |
|
3014 } else if (Array.isArray(type)) { |
|
3015 typeString = 'array'; |
|
3016 } else if (type !== undefined && type.$$typeof === REACT_ELEMENT_TYPE) { |
|
3017 typeString = '<' + (getComponentName(type.type) || 'Unknown') + ' />'; |
|
3018 info = ' Did you accidentally export a JSX literal instead of a component?'; |
|
3019 } else { |
|
3020 typeString = typeof type; |
|
3021 } |
|
3022 |
|
3023 warning$1(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info); |
|
3024 } |
|
3025 |
|
3026 var element = createElement.apply(this, arguments); |
|
3027 |
|
3028 // The result can be nullish if a mock or a custom function is used. |
|
3029 // TODO: Drop this when these are no longer allowed as the type argument. |
|
3030 if (element == null) { |
|
3031 return element; |
|
3032 } |
|
3033 |
|
3034 // Skip key warning if the type isn't valid since our key validation logic |
|
3035 // doesn't expect a non-string/function type and can throw confusing errors. |
|
3036 // We don't want exception behavior to differ between dev and prod. |
|
3037 // (Rendering will throw with a helpful message and as soon as the type is |
|
3038 // fixed, the key warnings will appear.) |
|
3039 if (validType) { |
|
3040 for (var i = 2; i < arguments.length; i++) { |
|
3041 validateChildKeys(arguments[i], type); |
|
3042 } |
|
3043 } |
|
3044 |
|
3045 if (type === REACT_FRAGMENT_TYPE) { |
|
3046 validateFragmentProps(element); |
|
3047 } else { |
|
3048 validatePropTypes(element); |
|
3049 } |
|
3050 |
|
3051 return element; |
|
3052 } |
|
3053 |
|
3054 function createFactoryWithValidation(type) { |
|
3055 var validatedFactory = createElementWithValidation.bind(null, type); |
|
3056 validatedFactory.type = type; |
|
3057 // Legacy hook: remove it |
|
3058 { |
|
3059 Object.defineProperty(validatedFactory, 'type', { |
|
3060 enumerable: false, |
|
3061 get: function () { |
|
3062 lowPriorityWarning$1(false, 'Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.'); |
|
3063 Object.defineProperty(this, 'type', { |
|
3064 value: type |
|
3065 }); |
|
3066 return type; |
|
3067 } |
|
3068 }); |
|
3069 } |
|
3070 |
|
3071 return validatedFactory; |
|
3072 } |
|
3073 |
|
3074 function cloneElementWithValidation(element, props, children) { |
|
3075 var newElement = cloneElement.apply(this, arguments); |
|
3076 for (var i = 2; i < arguments.length; i++) { |
|
3077 validateChildKeys(arguments[i], newElement.type); |
|
3078 } |
|
3079 validatePropTypes(newElement); |
|
3080 return newElement; |
|
3081 } |
|
3082 |
|
3083 var React = { |
|
3084 Children: { |
|
3085 map: mapChildren, |
|
3086 forEach: forEachChildren, |
|
3087 count: countChildren, |
|
3088 toArray: toArray, |
|
3089 only: onlyChild |
|
3090 }, |
|
3091 |
|
3092 createRef: createRef, |
|
3093 Component: Component, |
|
3094 PureComponent: PureComponent, |
|
3095 |
|
3096 createContext: createContext, |
|
3097 forwardRef: forwardRef, |
|
3098 lazy: lazy, |
|
3099 memo: memo, |
|
3100 |
|
3101 useCallback: useCallback, |
|
3102 useContext: useContext, |
|
3103 useEffect: useEffect, |
|
3104 useImperativeHandle: useImperativeHandle, |
|
3105 useDebugValue: useDebugValue, |
|
3106 useLayoutEffect: useLayoutEffect, |
|
3107 useMemo: useMemo, |
|
3108 useReducer: useReducer, |
|
3109 useRef: useRef, |
|
3110 useState: useState, |
|
3111 |
|
3112 Fragment: REACT_FRAGMENT_TYPE, |
|
3113 StrictMode: REACT_STRICT_MODE_TYPE, |
|
3114 Suspense: REACT_SUSPENSE_TYPE, |
|
3115 |
|
3116 createElement: createElementWithValidation, |
|
3117 cloneElement: cloneElementWithValidation, |
|
3118 createFactory: createFactoryWithValidation, |
|
3119 isValidElement: isValidElement, |
|
3120 |
|
3121 version: ReactVersion, |
|
3122 |
|
3123 unstable_ConcurrentMode: REACT_CONCURRENT_MODE_TYPE, |
|
3124 unstable_Profiler: REACT_PROFILER_TYPE, |
|
3125 |
|
3126 __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals |
|
3127 }; |
|
3128 |
|
3129 // Note: some APIs are added with feature flags. |
|
3130 // Make sure that stable builds for open source |
|
3131 // don't modify the React object to avoid deopts. |
|
3132 // Also let's not expose their names in stable builds. |
|
3133 |
|
3134 if (enableStableConcurrentModeAPIs) { |
|
3135 React.ConcurrentMode = REACT_CONCURRENT_MODE_TYPE; |
|
3136 React.Profiler = REACT_PROFILER_TYPE; |
|
3137 React.unstable_ConcurrentMode = undefined; |
|
3138 React.unstable_Profiler = undefined; |
|
3139 } |
|
3140 |
|
3141 |
|
3142 |
|
3143 var React$2 = Object.freeze({ |
|
3144 default: React |
|
3145 }); |
|
3146 |
|
3147 var React$3 = ( React$2 && React ) || React$2; |
|
3148 |
|
3149 // TODO: decide on the top-level export form. |
|
3150 // This is hacky but makes it work with both Rollup and Jest. |
|
3151 var react = React$3.default || React$3; |
|
3152 |
|
3153 return react; |
|
3154 |
|
3155 }))); |