1export function merge(...sets) { 2 if (sets.length > 1) { 3 sets[0] = sets[0].slice(0, -1); 4 const xl = sets.length - 1; 5 for (let x = 1; x < xl; ++x) { 6 sets[x] = sets[x].slice(1, -1); 7 } 8 sets[xl] = sets[xl].slice(1); 9 return sets.join(''); 10 } 11 else { 12 return sets[0]; 13 } 14} 15export function subexp(str) { 16 return "(?:" + str + ")"; 17} 18export function typeOf(o) { 19 return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase()); 20} 21export function toUpperCase(str) { 22 return str.toUpperCase(); 23} 24export function toArray(obj) { 25 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))) : []; 26} 27export function assign(target, source) { 28 const obj = target; 29 if (source) { 30 for (const key in source) { 31 obj[key] = source[key]; 32 } 33 } 34 return obj; 35} 36//# sourceMappingURL=util.js.map