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-rw-r--r--node_modules/extend-shallow/index.js60
1 files changed, 60 insertions, 0 deletions
diff --git a/node_modules/extend-shallow/index.js b/node_modules/extend-shallow/index.js
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+++ b/node_modules/extend-shallow/index.js
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+'use strict';
+
+var isExtendable = require('is-extendable');
+var assignSymbols = require('assign-symbols');
+
+module.exports = Object.assign || function(obj/*, objects*/) {
+ if (obj === null || typeof obj === 'undefined') {
+ throw new TypeError('Cannot convert undefined or null to object');
+ }
+ if (!isObject(obj)) {
+ obj = {};
+ }
+ for (var i = 1; i < arguments.length; i++) {
+ var val = arguments[i];
+ if (isString(val)) {
+ val = toObject(val);
+ }
+ if (isObject(val)) {
+ assign(obj, val);
+ assignSymbols(obj, val);
+ }
+ }
+ return obj;
+};
+
+function assign(a, b) {
+ for (var key in b) {
+ if (hasOwn(b, key)) {
+ a[key] = b[key];
+ }
+ }
+}
+
+function isString(val) {
+ return (val && typeof val === 'string');
+}
+
+function toObject(str) {
+ var obj = {};
+ for (var i in str) {
+ obj[i] = str[i];
+ }
+ return obj;
+}
+
+function isObject(val) {
+ return (val && typeof val === 'object') || isExtendable(val);
+}
+
+/**
+ * Returns true if the given `key` is an own property of `obj`.
+ */
+
+function hasOwn(obj, key) {
+ return Object.prototype.hasOwnProperty.call(obj, key);
+}
+
+function isEnum(obj, key) {
+ return Object.prototype.propertyIsEnumerable.call(obj, key);
+}