--- /dev/null
+export function merge(...sets) {
+ 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) {
+ return "(?:" + str + ")";
+}
+export function typeOf(o) {
+ return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase());
+}
+export function toUpperCase(str) {
+ return str.toUpperCase();
+}
+export function toArray(obj) {
+ 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, source) {
+ const obj = target;
+ if (source) {
+ for (const key in source) {
+ obj[key] = source[key];
+ }
+ }
+ return obj;
+}
+//# sourceMappingURL=util.js.map
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