37 lines
970 B
TypeScript
37 lines
970 B
TypeScript
//random utility functions that are likely either reused or stolen (with credit)
|
|
|
|
//https://stackoverflow.com/questions/28150967/typescript-cloning-object
|
|
export function copyObj(obj: any): any {
|
|
var copy: any;
|
|
|
|
// Handle the 3 simple types, and null or undefined
|
|
if (null == obj || "object" != typeof obj) return obj;
|
|
|
|
// Handle Date
|
|
if (obj instanceof Date) {
|
|
copy = new Date();
|
|
copy.setTime(obj.getTime());
|
|
return copy;
|
|
}
|
|
|
|
// Handle Array
|
|
if (obj instanceof Array) {
|
|
copy = [];
|
|
for (var i = 0, len = obj.length; i < len; i++) {
|
|
copy[i] = copyObj(obj[i]);
|
|
}
|
|
return copy;
|
|
}
|
|
|
|
// Handle Object
|
|
if (obj instanceof Object) {
|
|
copy = {};
|
|
for (var attr in obj) {
|
|
if (obj.hasOwnProperty(attr)) copy[attr] = copyObj(obj[attr]);
|
|
}
|
|
return copy;
|
|
}
|
|
|
|
throw new Error("Unable to copy obj! Its type isn't supported.");
|
|
}
|