<p>๋น„๋™๊ธฐ ํ•จ์ˆ˜๊ฐ€ ts-node๋กœ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ๋ณ€ํ™˜๋˜์ง€ ์•Š์Œ</p>

์— ๋งŒ๋“  2017๋…„ 12์›” 17์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: caolan/async

์ด ๋ฌธ์ œ๋ฅผ TypeStrong์— ์ œ์ถœํ–ˆ์Šต๋‹ˆ๋‹ค.

https://github.com/TypeStrong/ts-node/issues/494

๋ฌธ์ œ๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” ๋น„๋””์˜ค๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค

๋ฌธ์ œ๊ฐ€ ๋˜๋Š” ์ฝ”๋“œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

const async = require('async');

async.series({
    one: async function(){
      let x = await 1;
      return x;
    },
    two: async function(){
      let x = await 2;
      return x;
    }
  },
  function(err, results){

    if(err){
      throw err;
    }

    console.log('results =>', results);
  });

๋ˆ„๊ตฌ / ๋ฌด์—‡์„ ๋น„๋‚œ ํ•  ๊ฒƒ์ธ๊ฐ€? ๊ฐ์‚ฌ

question

๋ชจ๋“  4 ๋Œ“๊ธ€

TypeScript ๋ฌธ์ œ์ธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š” @ORESoftware , ์งˆ๋ฌธ์— ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค!

๋„ค์ดํ‹ฐ๋ธŒ async ํ•จ์ˆ˜ ๋งŒ ๊ฐ์ง€ ํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ด๊ฒƒ์€ ํŠธ๋žœ์Šค ํŒŒ์ผ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค. ์ฝ”๋“œ๋ฅผ ํŠธ๋žœ์Šค ํŒŒ์ผํ•˜๋Š” ๊ฒฝ์šฐ async ํ•จ์ˆ˜๋ฅผ asyncify ๋กœ ๋ž˜ํ•‘ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค. ์ž์„ธํ•œ ๋‚ด์šฉ์€ AsyncFunction ๋ฌธ์„œ๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”.

@hargasinski ์ด๊ฒƒ์€ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค. ์˜ˆ, ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๋ณ€ํ™˜๋ฉ๋‹ˆ๋‹ค.

#!/usr/bin/env node
'use strict';
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [0, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var suman = require('suman');
var Test = suman.init(module, {
    forceParallel: true
}).Test;
var async = require('async');
var count = 0;
async.series({
    a: function XXXXX() {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4, 300];
                    case 1:
                        _a.sent();
                        return [2, 5];
                }
            });
        });
    }
}, function (err, results) {
    if (err) {
        throw err;
    }
    console.log('results => ', results);
});

Function.length ์„ (๋ฅผ) ์‚ฌ์šฉํ•ด ์ฃผ์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? ์ผ๋ช… XXXXX.length

๊ธธ์ด๊ฐ€

0 => ๋น„๋™๊ธฐ / ๋Œ€๊ธฐ ๋˜๋Š” ์•ฝ์† ๊ฐ€์ •
1 => ์ฝœ๋ฐฑ, ์ฝœ๋ฐฑ ์ „๋‹ฌ
2 => ์˜ค๋ฅ˜ ๋ฐœ์ƒ

๋งˆ์ง€๋ง‰ ๋‹จ๋ฝ ์ฐธ์กฐ : http://caolan.github.io/async/global.html

์ด๊ฒƒ์€ ํŠธ๋žœ์Šค ํŒŒ์ผ๋Ÿฌ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค. ์ƒ์„ฑ๋œ ํ•จ์ˆ˜์— fn[Symbol.toStringTag] = 'AsyncFunction' ์žˆ์œผ๋ฉด ์ž‘๋™ํ•˜์ง€๋งŒ ๋ณ€ํ™˜๋˜์ง€ ์•Š์€ ๊ธฐํ˜ธ๋ฅผ ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค. ๋Œ€๋ถ€๋ถ„์˜ ํŠธ๋žœ์ŠคํŒŒ์ผ๋Ÿฌ๋Š” Symbol์„ ๊ทธ๋Œ€๋กœ ๋‘์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

ํŠธ๋žœ์Šค ํŒŒ์ผํ•˜๋Š” ๊ฒฝ์šฐ async ํ•จ์ˆ˜๋ฅผ asyncify() ๋ž˜ํ•‘ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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