mirror of
https://github.com/idanoo/GoScrobble.git
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84 lines
2.9 KiB
JavaScript
84 lines
2.9 KiB
JavaScript
import Stack from './_Stack.js';
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import equalArrays from './_equalArrays.js';
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import equalByTag from './_equalByTag.js';
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import equalObjects from './_equalObjects.js';
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import getTag from './_getTag.js';
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import isArray from './isArray.js';
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import isBuffer from './isBuffer.js';
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import isTypedArray from './isTypedArray.js';
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/** Used to compose bitmasks for value comparisons. */
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var COMPARE_PARTIAL_FLAG = 1;
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/** `Object#toString` result references. */
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var argsTag = '[object Arguments]',
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arrayTag = '[object Array]',
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objectTag = '[object Object]';
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/** Used for built-in method references. */
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var objectProto = Object.prototype;
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/** Used to check objects for own properties. */
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var hasOwnProperty = objectProto.hasOwnProperty;
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/**
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* A specialized version of `baseIsEqual` for arrays and objects which performs
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* deep comparisons and tracks traversed objects enabling objects with circular
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* references to be compared.
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*
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* @private
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* @param {Object} object The object to compare.
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* @param {Object} other The other object to compare.
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* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
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* @param {Function} customizer The function to customize comparisons.
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* @param {Function} equalFunc The function to determine equivalents of values.
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* @param {Object} [stack] Tracks traversed `object` and `other` objects.
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* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
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*/
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function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
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var objIsArr = isArray(object),
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othIsArr = isArray(other),
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objTag = objIsArr ? arrayTag : getTag(object),
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othTag = othIsArr ? arrayTag : getTag(other);
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objTag = objTag == argsTag ? objectTag : objTag;
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othTag = othTag == argsTag ? objectTag : othTag;
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var objIsObj = objTag == objectTag,
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othIsObj = othTag == objectTag,
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isSameTag = objTag == othTag;
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if (isSameTag && isBuffer(object)) {
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if (!isBuffer(other)) {
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return false;
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}
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objIsArr = true;
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objIsObj = false;
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}
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if (isSameTag && !objIsObj) {
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stack || (stack = new Stack);
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return (objIsArr || isTypedArray(object))
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? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
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: equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
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}
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if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
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var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
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othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
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if (objIsWrapped || othIsWrapped) {
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var objUnwrapped = objIsWrapped ? object.value() : object,
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othUnwrapped = othIsWrapped ? other.value() : other;
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stack || (stack = new Stack);
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return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
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}
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}
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if (!isSameTag) {
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return false;
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}
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stack || (stack = new Stack);
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return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
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}
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export default baseIsEqualDeep;
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