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| "use strict";
|
| Object.defineProperty(exports, "__esModule", {
| value: true
| });
| exports.once = once;
| var _async = require("./async");
| function once(fn) {
| let result;
| let resultP;
| return function* () {
| if (result) return result;
| if (!(yield* (0, _async.isAsync)())) return result = yield* fn();
| if (resultP) return yield* (0, _async.waitFor)(resultP);
| let resolve, reject;
| resultP = new Promise((res, rej) => {
| resolve = res;
| reject = rej;
| });
| try {
| result = yield* fn();
| resultP = null;
| resolve(result);
| return result;
| } catch (error) {
| reject(error);
| throw error;
| }
| };
| }
| 0 && 0;
|
| //# sourceMappingURL=functional.js.map
|
|
