export function merge(…sets:Array<string>):string {
if (sets.length > 1) { sets[0] = sets[0].slice(0, -1); const xl = sets.length - 1; for (let x = 1; x < xl; ++x) { sets[x] = sets[x].slice(1, -1); } sets[xl] = sets[xl].slice(1); return sets.join(''); } else { return sets[0]; }
}
export function subexp(str:string):string {
return "(?:" + str + ")";
}
export function typeOf(o:any):string {
return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase());
}
export function toUpperCase(str:string):string {
return str.toUpperCase();
}
export function toArray(obj:any):Array<any> {
return obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];
}
export function assign(target: object, source: any): any {
const obj = target as any; if (source) { for (const key in source) { obj[key] = source[key]; } } return obj;
}