The WeChat applet monitors less files in real time and compiles them into wxss files, global command tools and less-to-wxss

The technology stack we chose for our WeChat mini program project is: native embedded h5. There is nothing wrong with the technology selection, but I think something is weird. For the same design draft, h5 development is usually faster than small program development. I am depressed. Why? Mini programs provide many encapsulated components. Why is the development efficiency still low? Find one of the root causes of the problem. Mini programs are developed natively. The style uses wxss. Nested syntax cannot be used, and development efficiency comes naturally. It is discounted, and it will be more troublesome to maintain wxss later.

Previous life

Development with wxss is too slow. WeChat applet is developed natively. I don’t want to write wxss anymore. Thinking that WeChat mini programs have been out for so long, there should be mature solutions to solve this problem, so I found the following solutions.

Option 1: webstorm configuration less automatic compilation

This solution is suitable for editor developers using webstorm , but I am now in love with VSCode (or WeChat developer tools, you still need to use it for debugging), I don’t want to use webstorm , so I have to look for other solutions.

Developers who use the webstorm editor can configure it according to the following reference article.

• webstorm configuration less automatically compiles

• webstorm less file is compiled into wxss file configuration

Option 2: Use gulp-less to automatically compile

Refer to gulp's task flow to perform tasks. gulp-less is a plug-in of the gulp automated component tool, specially used to process less files. The output css file is provided for use in the production environment. This solution can be used, but it doesn't quite meet my requirements. I'm lazy and don't want to compile it manually. Search and search to find the next solution.

• gulp-less gulp packaging processing less

Option 3: wxss-cli: global command line path

Finally found a good solution, wxss-cli developed by echo008. After installing this tool globally, run wxss ./path to compile less into wxss. After using it for a week, I found that every day when I go to the company for development, I need to copy the directory of the project to be compiled first. I don’t want to copy the path every time. And when compiling, less in node_modules will also be compiled. This will make compilation slower. I just want to compile under the pages and components files in my project root directory. Is there any way?

None of these three options is easy to use...

this life

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So I raised issues with the author of wxss-cli, but the author ignored me after a week.

I can’t wait any longer, so if it doesn’t work, I’ll do it myself, steal the source code, and change it to meet my requirements. Which directory needs to be compiled less, in which file directory, execute the command less-to-wxss watch, perform real-time monitoring, and automatically convert less into wxss document.

It’s very easy to use. I left an issue for the author again, but he ignored me. It seems that several other issues were ignored as well. Maybe the author was too busy to take care of it. Finally, it supports executing less-to-wxss watch in multiple terminals. This plug-in is really useful for native developers of small programs. A plug-in is freshly released. Pick up what you need. npm package for less-to-wxss

less-to-wxss

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The advantages of less-to-wxss ：

1. No need to pass the path

2. Global installation, one-click compilationless-to-wxss watch

3. Self-sustaining multi-terminal, multi-directory using

improved less-to-wxss implementation principle, through input command, obtain the current location path, perform file traversal monitoring on the files in the changed directory, compile less into wxss through the less tool, rename it and save it to the original directory. The original less file update continues with the above process.

Recommended tutorial: "WeChat Mini Program"

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