export class Utils { static clone(object: T): T { return JSON.parse(JSON.stringify(object)); } static equalsFilter(object: any, filter: any): boolean { let keys = Object.keys(filter); for (let i = 0; i < keys.length; i++) { let key = keys[i]; if (object[key] !== filter[key]) { return false; } } return true; } static concatUrls(...args: Array) { let url = ""; for (let i = 0; i < args.length; i++) { if (args[i] === "" || typeof args[i] === "undefined") continue; let part = args[i].replace("\\", "/"); if (part === "/" || part === "./") continue; url += part + "/"; } url = url.replace("//", "/"); return url.substring(0, url.length - 1); } public static updateKeys(targetObject: any, sourceObject: any) { Object.keys(sourceObject).forEach((key) => { if (typeof targetObject[key] === "undefined") { return; } if (typeof targetObject[key] === "object") { Utils.updateKeys(targetObject[key], sourceObject[key]); } else { targetObject[key] = sourceObject[key]; } }); } public static setKeys(targetObject: any, sourceObject: any) { Object.keys(sourceObject).forEach((key) => { if (typeof targetObject[key] === "object") { Utils.setKeys(targetObject[key], sourceObject[key]); } else { targetObject[key] = sourceObject[key]; } }); } public static setKeysForced(targetObject: any, sourceObject: any) { Object.keys(sourceObject).forEach((key) => { if (typeof sourceObject[key] === "object") { if (typeof targetObject[key] === "undefined") { targetObject[key] = {}; } Utils.setKeysForced(targetObject[key], sourceObject[key]); } else { targetObject[key] = sourceObject[key]; } }); } public static enumToArray(EnumType: any): Array<{ key: number; value: string; }> { let arr: Array<{ key: number; value: string; }> = []; for (let enumMember in EnumType) { if (!EnumType.hasOwnProperty(enumMember)) { continue; } let key = parseInt(enumMember, 10); if (key >= 0) { arr.push({key: key, value: EnumType[enumMember]}); } } return arr; } public static findClosest(number: number, arr: Array) { let curr = arr[0]; let diff = Math.abs(number - curr); arr.forEach((value) => { let newDiff = Math.abs(number - value); if (newDiff < diff) { diff = newDiff; curr = value; } }); return curr; } }