1 var eq = require('./eq');
4 * This function is like `assignValue` except that it doesn't assign `undefined` values.
7 * @param {Object} object The object to modify.
8 * @param {string} key The key of the property to assign.
9 * @param {*} value The value to assign.
11 function assignMergeValue(object, key, value) {
12 if ((value !== undefined && !eq(object[key], value)) ||
13 (typeof key == 'number' && value === undefined && !(key in object))) {
18 module.exports = assignMergeValue;