forked from waja/action-debian-package
53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
import _cloneRegExp from "./_cloneRegExp.js";
|
|
import type from "../type.js";
|
|
/**
|
|
* Copies an object.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to be copied
|
|
* @param {Array} refFrom Array containing the source references
|
|
* @param {Array} refTo Array containing the copied source references
|
|
* @param {Boolean} deep Whether or not to perform deep cloning.
|
|
* @return {*} The copied value.
|
|
*/
|
|
|
|
export default function _clone(value, refFrom, refTo, deep) {
|
|
var copy = function copy(copiedValue) {
|
|
var len = refFrom.length;
|
|
var idx = 0;
|
|
|
|
while (idx < len) {
|
|
if (value === refFrom[idx]) {
|
|
return refTo[idx];
|
|
}
|
|
|
|
idx += 1;
|
|
}
|
|
|
|
refFrom[idx + 1] = value;
|
|
refTo[idx + 1] = copiedValue;
|
|
|
|
for (var key in value) {
|
|
copiedValue[key] = deep ? _clone(value[key], refFrom, refTo, true) : value[key];
|
|
}
|
|
|
|
return copiedValue;
|
|
};
|
|
|
|
switch (type(value)) {
|
|
case 'Object':
|
|
return copy({});
|
|
|
|
case 'Array':
|
|
return copy([]);
|
|
|
|
case 'Date':
|
|
return new Date(value.valueOf());
|
|
|
|
case 'RegExp':
|
|
return _cloneRegExp(value);
|
|
|
|
default:
|
|
return value;
|
|
}
|
|
} |