[前端] 每日时报-2019.05.23 - V2EX
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wubaiqing
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[前端] 每日时报-2019.05.23

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  •   wubaiqing 2019-05-23 14:48:43 +08:00 1127 次点击
    这是一个创建于 2364 天前的主题,其中的信息可能已经有所发展或是发生改变。

    2019.05.23

    <>https://github.com/wubaiqing/zaobao

    [文章] 学会通过 babel 构建 AST 来修改代码:https://www.yuque.com/yuzhidao/life/yzuq0r

    [类库] DotEnv 是一个把 .env 文件加载到环境变量的一个库;类似于 Vue CLI .env 设置环境变量:https://github.com/motdotla/dotenv

    [类库] 把时间转换成毫秒单位,如 ms('2 days') = 172800000https://github.com/zeit/ms

    [工具] 大幅度缩减 Docker 镜像的体积,使用命令 docker-slim build --http-probe your-name/your-apphttps://github.com/docker-slim/docker-slim

    from ubuntu:14.04 - 432MB => 14MB (缩减了 30.85 倍)
    from debian:jessie - 406MB => 25.1MB (缩减了 16.21 倍)
    from node:alpine - 66.7MB => 34.7MB (缩减了 1.92 倍)

    [工具] 谷歌开源的图片压缩工具。在保证图片质量的情况下快速压缩图片,7M 的图片压缩后为 3.2M ,使用起来简单方便:https://github.com/GoogleChromeLabs/squoosh

    示例 - 学会通过 babel 构建 AST 来修改代码

     const ast = parser.parse(content, { sourceType: 'module', plugins: [ 'jsx', ], }); 

    示例 - DotEnv

    DB_HOST=localhost DB_USER=root DB_PASS=s1mpl3 
    const db = require('db') db.connect({ host: process.env.DB_HOST, username: process.env.DB_USER, password: process.env.DB_PASS }) 

    示例 - ms

    ms('2 days') // 172800000 ms('1d') // 86400000 ms('10h') // 36000000 ms('2.5 hrs') // 9000000 ms('2h') // 7200000 ms('1m') // 60000 ms('5s') // 5000 ms('1y') // 31557600000 ms('100') // 100 ms('-3 days') // -259200000 ms('-1h') // -3600000 ms('-200') // -200 

    今日图 - 这会是 996 最后的归宿吗?

    查看更多: https://github.com/wubaiqing/zaobao

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