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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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diff --git a/node_modules/mixin-deep/index.js b/node_modules/mixin-deep/index.js
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+'use strict';
+
+var isExtendable = require('is-extendable');
+var forIn = require('for-in');
+
+function mixinDeep(target, objects) {
+ var len = arguments.length, i = 0;
+ while (++i < len) {
+ var obj = arguments[i];
+ if (isObject(obj)) {
+ forIn(obj, copy, target);
+ }
+ }
+ return target;
+}
+
+/**
+ * Copy properties from the source object to the
+ * target object.
+ *
+ * @param {*} `val`
+ * @param {String} `key`
+ */
+
+function copy(val, key) {
+ if (!isValidKey(key)) {
+ return;
+ }
+
+ var obj = this[key];
+ if (isObject(val) && isObject(obj)) {
+ mixinDeep(obj, val);
+ } else {
+ this[key] = val;
+ }
+}
+
+/**
+ * Returns true if `val` is an object or function.
+ *
+ * @param {any} val
+ * @return {Boolean}
+ */
+
+function isObject(val) {
+ return isExtendable(val) && !Array.isArray(val);
+}
+
+/**
+ * Returns true if `key` is a valid key to use when extending objects.
+ *
+ * @param {String} `key`
+ * @return {Boolean}
+ */
+
+function isValidKey(key) {
+ return key !== '__proto__' && key !== 'constructor' && key !== 'prototype';
+};
+
+/**
+ * Expose `mixinDeep`
+ */
+
+module.exports = mixinDeep;