async Documentation

Async utilities for node and the browser

28,145 stars JavaScript JavaScript 1 file ยท ~1,342 tokens #async#callbacks#javascript
RAW Doc

File: README.md




Async is a utility module which provides straight-forward, powerful functions for working with asynchronous JavaScript. Although originally designed for use with Node.js and installable via npm i async, it can also be used directly in the browser. An ESM/MJS version is included in the main async package that should automatically be used with compatible bundlers such as Webpack and Rollup.

A pure ESM version of Async is available as async-es.

For Documentation, visit https://caolan.github.io/async/

For Async v1.5.x documentation, go HERE

javascript
// for use with Node-style callbacks...
var async = require("async");

var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
var configs = {};

async.forEachOf(obj, (value, key, callback) => {
    fs.readFile(__dirname + value, "utf8", (err, data) => {
        if (err) return callback(err);
        try {
            configs[key] = JSON.parse(data);
        } catch (e) {
            return callback(e);
        }
        callback();
    });
}, err => {
    if (err) console.error(err.message);
    // configs is now a map of JSON data
    doSomethingWith(configs);
});
javascript
var async = require("async");

// ...or ES2017 async functions
async.mapLimit(urls, 5, async function(url) {
    const response = await fetch(url)
    return response.body
}, (err, results) => {
    if (err) throw err
    // results is now an array of the response bodies
    console.log(results)
})

File: support/jsdoc/theme/README.md

Minami

A clean, responsive documentation template theme for JSDoc 3.

Uses

Install

bash
$ npm install --save-dev minami

Usage

Clone repository to your designated jsdoc template directory, then:

bash
$ jsdoc entry-file.js -t path/to/minami

Node.js Dependency

In your projects package.json file add a generate script:

json
"script": {
  "generate-docs": "node_modules/.bin/jsdoc --configure .jsdoc.json --verbose"
}

In your .jsdoc.json file, add a template option.

json
"opts": {
  "template": "node_modules/minami"
}

Example JSDoc Config

json
{
    "tags": {
        "allowUnknownTags": true,
        "dictionaries": ["jsdoc"]
    },
    "source": {
        "include": ["lib", "package.json", "README.md"],
        "includePattern": ".js$",
        "excludePattern": "(node_modules/|docs)"
    },
    "plugins": [
        "plugins/markdown"
    ],
    "templates": {
        "cleverLinks": false,
        "monospaceLinks": true
    },
    "opts": {
        "destination": "./docs/",
        "encoding": "utf8",
        "private": true,
        "recurse": true,
        "template": "./node_modules/minami"
    }
}

License

Licensed under the Apache2 license.


File: README.es.md




Async is a utility module which provides straight-forward, powerful functions for working with asynchronous JavaScript. Although originally designed for use with Node.js and installable via npm install --save async, it can also be used directly in the browser.

This version of the package is optimized for building with webpack. If you use Async in Node.js, install async instead.

For Documentation, visit https://caolan.github.io/async/

For Async v1.5.x documentation, go HERE

javascript
// for use with callbacks...
import { forEachOf } from "async-es";

const images = {cat: "/cat.png", dog: "/dog.png", duck: "/duck.png"};
const sizes = {};

forEachOf(images, (value, key, callback) => {
    const imageElem = new Image();
    imageElem.src = value;
    imageElem.addEventListener("load", () => {
        sizes[key] = {
            width: imageElem.naturalWidth,
            height: imageElem.naturalHeight,
        };
        callback();
    });
    imageElem.addEventListener("error", (e) => {
        callback(e);
    });
}, err => {
    if (err) console.error(err.message);
    // `sizes` is now a map of image sizes
    doSomethingWith(sizes);
});
javascript
import { mapLimit } from "async-es";

// ...or ES2017 async functions
mapLimit(urls, 5, async function(url) {
    const response = await fetch(url)
    return response.body
}, (err, results) => {
    if (err) throw err
    // results is now an array of the response bodies
    console.log(results)
})