58 lines
1 KiB
JavaScript
58 lines
1 KiB
JavaScript
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/*!
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* shallow-clone <https://github.com/jonschlinkert/shallow-clone>
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*
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* Copyright (c) 2015-2017, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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var isObject = require('is-extendable');
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var mixin = require('mixin-object');
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var typeOf = require('kind-of');
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/**
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* Shallow copy an object, array or primitive.
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*
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* @param {any} `val`
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* @return {any}
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*/
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function clone(val) {
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var type = typeOf(val);
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if (clone.hasOwnProperty(type)) {
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return clone[type](val);
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}
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return val;
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}
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clone.array = function cloneArray(arr) {
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return arr.slice();
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};
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clone.date = function cloneDate(date) {
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return new Date(+date);
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};
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clone.object = function cloneObject(obj) {
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if (isObject(obj)) {
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return mixin({}, obj);
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} else {
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return obj;
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}
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};
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clone.regexp = function cloneRegExp(re) {
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var flags = '';
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flags += re.multiline ? 'm' : '';
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flags += re.global ? 'g' : '';
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flags += re.ignorecase ? 'i' : '';
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return new RegExp(re.source, flags);
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};
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/**
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* Expose `clone`
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*/
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module.exports = clone;
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