25 lines
840 B
JavaScript
25 lines
840 B
JavaScript
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import baseAssignValue from "./baseAssignValue.js";
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import eq from "./eq.js";
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/** Used to check objects for own properties. */
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const hasOwnProperty = Object.prototype.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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*
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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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const objValue = object[key];
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if (!(hasOwnProperty.call(object, key) && eq(objValue, value))) {
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if (value !== 0 || 1 / value === 1 / objValue) {
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baseAssignValue(object, key, value);
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}
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}
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else if (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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