geninq
Version:
A JavaScript version of the Linq library for Generators
36 lines (35 loc) • 1.9 kB
JavaScript
;
var __await = (this && this.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); }
var __asyncGenerator = (this && this.__asyncGenerator) || function (thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Build = void 0;
const safe_type_1 = require("@paulpopat/safe-type");
const Generator = Object.getPrototypeOf(function () { return __asyncGenerator(this, arguments, function* () { }); }).__proto__;
function IsAsync(generator) {
return Symbol.asyncIterator in generator;
}
function IsSync(generator) {
return Symbol.iterator in generator;
}
function Build(key, sync_handler, async_handler) {
const gen = Generator;
if (gen[key]) {
return;
}
gen[key] = function (...args) {
if (!IsSync(this) && !IsAsync(this))
return;
return (0, safe_type_1.PatternMatch)(IsSync, IsAsync)((s) => sync_handler.bind(s, ...args)(), (a) => async_handler.bind(a, ...args)())(this);
};
}
exports.Build = Build;