semlinker’s gists

semlinker / async-pool-es7.js

Last active March 20, 2023 18:21

async-pool-es7

	async function asyncPool(concurrency, iterable, iteratorFn) {
	const ret = []; // Store all asynchronous tasks
	const executing = new Set(); // Stores executing asynchronous tasks
	for (const item of iterable) {
	// Call the iteratorFn function to create an asynchronous task
	const p = Promise.resolve().then(() => iteratorFn(item, iterable));

	ret.push(p); // save new async task
	executing.add(p); // Save an executing asynchronous task

semlinker / async-pool-es6.js

Last active July 25, 2022 10:19

Promise

	function asyncPool(concurrency, iterable, iteratorFn) {
	let i = 0;
	const ret = []; // // Store all asynchronous tasks
	const executing = new Set(); // Stores executing asynchronous tasks
	const enqueue = function() {
	if (i === iterable.length) {
	return Promise.resolve();
	}
	const item = iterable[i++]; // Get the new task item
	const p = Promise.resolve().then(() => iteratorFn(item, iterable));

semlinker / index.html

Created July 24, 2022 09:21

File Type Detect Demo

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>File Type Detect Demo</title>
	</head>
	<body>
	<div>

semlinker / transmat-source.html

Created July 3, 2021 04:33

Transmat 使用示例

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Transmat Source 示例</title>
	<script src="https://unpkg.com/transmat/lib/index.umd.js"></script>
	<style>
	body {

semlinker / index.html

Last active July 16, 2023 03:59

JavaScript 中如何实现大文件并发上传？

	<!DOCTYPE html>
	<html lang="zh-CN">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<meta http-equiv="X-UA-Compatible" content="ie=edge" />
	<title>大文件并发上传示例（阿宝哥）</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	<script src="https://cdn.bootcdn.net/ajax/libs/spark-md5/3.0.0/spark-md5.min.js"></script>
	</head>

semlinker / directory-upload.js

Created May 11, 2021 14:10

	const path = require("path");
	const Koa = require("koa");
	const cors = require("@koa/cors");
	const multer = require("@koa/multer");
	const Router = require("@koa/router");
	const fse = require("fs-extra");

	const app = new Koa();
	const router = new Router();
	const paths = path.sep + ["public", "upload"].join(path.sep);

semlinker / app.js

Last active January 29, 2023 18:55

在线解压ZIP文件

	const path = require("path");
	const Koa = require("koa");
	const cors = require("@koa/cors");
	const Router = require("@koa/router");
	const StreamZip = require("node-stream-zip");

	const app = new Koa();
	const router = new Router();
	const ZIP_HOME = path.join(__dirname, "zip");
	const UnzipCaches = new Map();

semlinker / index.html

Created April 18, 2021 09:22

JavaScript 中实现大文件并行下载

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>多线程下载示例</title>
	<script src="multi-thread-download.js"></script>
	</head>
	<body>

semlinker / axios-retry-adapter.html

Created April 17, 2021 14:49

Axios 请求重试示例

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Axios 请求重试示例（适配器）</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	</head>
	<body>

semlinker / index.html

Created April 11, 2021 05:49

Axios 缓存请求数据示例

	<!DOCTYPE html>
	<html lang="zh-cn">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Axios 缓存请求数据示例</title>
	<script src="https://cdn.bootcdn.net/ajax/libs/qs/6.9.6/qs.min.js"></script>
	<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
	</head>

阿宝哥 semlinker