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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.maybeAsync = maybeAsync;
- exports.forwardAsync = forwardAsync;
- exports.isThenable = isThenable;
- exports.waitFor = exports.onFirstPause = exports.isAsync = void 0;
-
- function _gensync() {
- const data = require("gensync");
-
- _gensync = function () {
- return data;
- };
-
- return data;
- }
-
- const id = x => x;
-
- const runGenerator = _gensync()(function* (item) {
- return yield* item;
- });
-
- const isAsync = _gensync()({
- sync: () => false,
- errback: cb => cb(null, true)
- });
-
- exports.isAsync = isAsync;
-
- function maybeAsync(fn, message) {
- return _gensync()({
- sync(...args) {
- const result = fn.apply(this, args);
- if (isThenable(result)) throw new Error(message);
- return result;
- },
-
- async(...args) {
- return Promise.resolve(fn.apply(this, args));
- }
-
- });
- }
-
- const withKind = _gensync()({
- sync: cb => cb("sync"),
- async: cb => cb("async")
- });
-
- function forwardAsync(action, cb) {
- const g = _gensync()(action);
-
- return withKind(kind => {
- const adapted = g[kind];
- return cb(adapted);
- });
- }
-
- const onFirstPause = _gensync()({
- name: "onFirstPause",
- arity: 2,
- sync: function (item) {
- return runGenerator.sync(item);
- },
- errback: function (item, firstPause, cb) {
- let completed = false;
- runGenerator.errback(item, (err, value) => {
- completed = true;
- cb(err, value);
- });
-
- if (!completed) {
- firstPause();
- }
- }
- });
-
- exports.onFirstPause = onFirstPause;
-
- const waitFor = _gensync()({
- sync: id,
- async: id
- });
-
- exports.waitFor = waitFor;
-
- function isThenable(val) {
- return !!val && (typeof val === "object" || typeof val === "function") && !!val.then && typeof val.then === "function";
- }
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