| 1 | import eq from './eq';
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| 2 |
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| 3 | /**
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| 4 | * This function is like `assignValue` except that it doesn't assign
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| 5 | * `undefined` values.
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| 6 | *
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| 7 | * @private
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| 8 | * @param {Object} object The object to modify.
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| 9 | * @param {string} key The key of the property to assign.
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| 10 | * @param {*} value The value to assign.
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| 11 | */
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| 12 | function assignMergeValue(object, key, value) {
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| 13 | if ((value !== undefined && !eq(object[key], value)) ||
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| 14 | (typeof key == 'number' && value === undefined && !(key in object))) {
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| 15 | object[key] = value;
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| 16 | }
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| 17 | }
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| 18 |
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| 19 | export default assignMergeValue;
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