Sha256: df82f6980855ff7315ee420c6fcf7f6fc00ad1ce63ecbd92dce427151a974547
Contents?: true
Size: 1.27 KB
Versions: 22
Compression:
Stored size: 1.27 KB
Contents
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.once = once;
var _async = require("./async.js");
function once(fn) {
let result;
let resultP;
let promiseReferenced = false;
return function* () {
if (!result) {
if (resultP) {
promiseReferenced = true;
return yield* (0, _async.waitFor)(resultP);
}
if (!(yield* (0, _async.isAsync)())) {
try {
result = {
ok: true,
value: yield* fn()
};
} catch (error) {
result = {
ok: false,
value: error
};
}
} else {
let resolve, reject;
resultP = new Promise((res, rej) => {
resolve = res;
reject = rej;
});
try {
result = {
ok: true,
value: yield* fn()
};
resultP = null;
if (promiseReferenced) resolve(result.value);
} catch (error) {
result = {
ok: false,
value: error
};
resultP = null;
if (promiseReferenced) reject(error);
}
}
}
if (result.ok) return result.value;else throw result.value;
};
}
0 && 0;
//# sourceMappingURL=functional.js.map
Version data entries
22 entries across 15 versions & 2 rubygems