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28 lines
897 B
28 lines
897 B
import baseAssignValue from './_baseAssignValue.js'; |
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import eq from './eq.js'; |
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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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* Assigns `value` to `key` of `object` if the existing value is not equivalent |
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* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) |
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* for equality comparisons. |
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* |
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* @private |
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* @param {Object} object The object to modify. |
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* @param {string} key The key of the property to assign. |
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* @param {*} value The value to assign. |
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*/ |
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function assignValue(object, key, value) { |
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var objValue = object[key]; |
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if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || |
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(value === undefined && !(key in object))) { |
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baseAssignValue(object, key, value); |
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} |
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} |
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export default assignValue;
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