# webpack

插件 | github | 描述
- |- |  - 
webpack-manifest-plugin | [github](https://github.com/shellscape/webpack-manifest-plugin)|  将 manifest 数据提取为一个 json 文件以供使用
html-webpack-plugin |[github](https://github.com/jantimon/html-webpack-plugin) |  生成HTML文件
mini-css-extract-plugin | [github](https://github.com/webpack-contrib/mini-css-extract-plugin)|用于将 CSS 从主应用程序中分离
webpack-bundle-analyzer | [github](https://github.com/webpack-contrib/webpack-bundle-analyzer) | 它将 bundle 内容展示为一个便捷的、交互式、可缩放的树状图形式。

polyfill Promises

- https://github.com/stefanpenner/es6-promise
- https://github.com/taylorhakes/promise-polyfill

```html
<script>
    async function sleep(time) {
        return new Promise(resolve => {
            setTimeout(() => {
                resolve();
            }, time);
        });
    }

    (async () => {
        // 延时3秒
        await sleep(3 * 1000);
        console.log('1s');
    })();
</script>
```

[Webpack5实战教程](/blog/webpack/index.md)