# 42. Peace at Lingyin Temple

> The cover photo was taken during a peaceful walk at Lingyin Temple. It perfectly captures that feeling of inner quiet and sincerity. I recorded a short clip of the 

- Issue: 42
- Published: 2021/09/07
- HTML: https://weekly.tw93.fun/en/posts/42
- JSON: https://weekly.tw93.fun/api/en/posts/42.json
- Chinese original: https://weekly.tw93.fun/posts/42.md

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<img src="https://gw.alipayobjects.com/zos/k/10/MRNoEz.jpg" width="800" />

<small>The cover photo was taken during a peaceful walk at Lingyin Temple. It perfectly captures that feeling of inner quiet and sincerity. I recorded a short clip of the [temple chanting](https://cdn.tw93.fun/blog/upic/IVJL92.m4a)—it’s very calming if you listen with headphones at a low volume.</small>

> **Record the down-to-earth trending technologies seen every week, and publish them here after screening. If you find it good, you can follow this weekly to get update notifications.**

## Front-End Technology

**The Magic of Drag-and-Drop Content Transfers**  
<https://juejin.cn/post/6984587700951056414>  
A deep dive into the Transmat library and how it simplifies complex drag-and-drop interactions across browser windows.

**Privacy in the "Post-Tracking" Era: Balanced Advertising**  
<https://mp.weixin.qq.com/s/-QTjIN948k_da74EzXJyYw>  
Since iOS 14, privacy has moved from a buzzword to a strict technical requirement. This article explores how advertising can still function without compromising user data.

**Cookie Management in WKWebView**  
<https://mp.weixin.qq.com/s/jZP2DsAa5OV91wdNMw39cA>  
A foundational read from the Baidu App team on the persistent challenges of managing state and cookies inside web views.

**Why Use esModuleInterop in TypeScript?**  
<https://zhuanlan.zhihu.com/p/148081795>  
An explanation of why we see `import * as React from 'react'` in some codebases and `import React from 'react'` in others, and the flag that controls it.

**Improving UI Testability in the Meituan App**  
<https://tech.meituan.com/2021/07/28/app-xraysdk.html>  
How Meituan refactored their app views to make them more friendly for automated UI testing.

## Trending Open Source

**X-TRACK: Open Source GPS Bike Computer**  
<https://github.com/FASTSHIFT/X-TRACK>  
This is seriously cool—a custom-built bike computer with offline maps, GPX exports, and real-time tracking. You can see the full build on [Bilibili](https://www.bilibili.com/video/BV1GB4y1K7VV).  
<img src="https://cdn.tw93.fun/blog/upic/gJEGVS.jpg" width="800" />

**Transmat: Google’s Core Library for Cross-Window Data Sharing**  
<https://google.github.io/transmat/>  
Leverages the DataTransfer API to facilitate seamless data transfer between different web applications via standard interactions like copy-paste.  
<img src="https://cdn.tw93.fun/blog/upic/CuiZjq.gif" width="800" />

**npmx: An Enhanced CLI for npm**  
<https://github.com/terminal-junkies/npmx>  
A streamlined way to search, install, and run packages from the terminal. Maybe it's time someone built a tnpmx for the internal ecosystem!  
<img src="https://cdn.tw93.fun/blog/upic/L4TiI9.gif" width="800" />

**KeyCastr: Show Keypresses on the Mac Screen**  
<https://github.com/keycastr/keycastr>  
Perfect for screencasts and presentations when you want people to see exactly which shortcuts you're using. I used this myself for my recent tool-finding demo.  
<img src="https://cdn.tw93.fun/blog/upic/0jQ3ap.jpg" width="800" />

## Just Looking Around

**Impact of Extensions on Browser Performance**  
<https://www.debugbear.com/blog/chrome-extension-performance-2021>  
A study on the 1,000 most popular extensions and how they impact the end-user experience. Personal note: I only keep 5 extensions active in Edge, two of which I wrote myself.

**How Frontend Engineering Drives Business Growth**  
<https://zhuanlan.zhihu.com/p/62722892>  
The original title used the word "empowerment," which isn't my favorite term, but the core message is solid: how technical excellence translates to real business value.

**Uncovering the Roots of Education "Involution" in China**  
<https://mp.weixin.qq.com/s/YbDdRqlYYKA3RG6UkWJheg>  
A transcript of a courageous talk by Yang Dongping on the systemic issues facing the Chinese education system. A must-read for understanding the "Double Reduction" context.

**When Will App Pop-ups Ever End?**  
<https://mp.weixin.qq.com/s/6dPAF3oVt0gnZ1Eqo4bYKQ>  
A salute to the internal teams at Ant who are pushing back against the endless tide of marketing pop-ups. It’s a tough battle when KPIs are at stake, but it’s definitely the right thing to do for the user.

**A Programmer's Guide to Delicious Eggplant**  
<https://www.v2ex.com/t/792632>  
You know you're on V2EX when you find a detailed, algorithmic guide to cooking the perfect dinner!