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20 lines
582 B
JavaScript
20 lines
582 B
JavaScript
var baseAssignValue = require('./_baseAssignValue'),
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eq = require('./eq');
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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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module.exports = assignMergeValue;
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