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21 lines
576 B
TypeScript
21 lines
576 B
TypeScript
import baseAssignValue from './baseAssignValue.js'
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import eq from '../eq.js'
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/**
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* This function is like `assignValue` except that it doesn't assign
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* `undefined` values.
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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 assignMergeValue(object, key, value) {
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if ((value !== undefined && !eq(object[key], 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 assignMergeValue
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