Code coverage report for lang/clone.js

Statements: 100% (24 / 24)      Branches: 84.62% (11 / 13)      Functions: 100% (7 / 7)      Lines: 100% (23 / 23)     

All files » lang/ » clone.js
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define(['./kindOf', './isPlainObject', '../object/mixIn'], function (kindOf, isPlainObject, mixIn) {
 
    /**
     * Clone native types.
     */
    function clone(val){
        switch (kindOf(val)) {
            case 'Object':
                return cloneObject(val);
            case 'Array':
                return cloneArray(val);
            case 'RegExp':
                return cloneRegExp(val);
            case 'Date':
                return cloneDate(val);
            default:
                return val;
        }
    }
 
    function cloneObject(source) {
        if (isPlainObject(source)) {
            return mixIn({}, source);
        } else {
            return source;
        }
    }
 
    function cloneRegExp(r) {
        var flags = '';
        flags += r.multiline ? 'm' : '';
        flags += r.global ? 'g' : '';
        flags += r.ignorecase ? 'i' : '';
        return new RegExp(r.source, flags);
    }
 
    function cloneDate(date) {
        return new Date(+date);
    }
 
    function cloneArray(arr) {
        return arr.slice();
    }
 
    return clone;
 
});