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How do I use build systems to run linters or formatters in Sublime Text?
How do I use build systems to run linters or formatters in Sublime Text?
Jun 24, 2025 am 12:01 AM
Sublime Text can run linter or formatter from a custom build system. 1. Create a .sublime-build file and configure commands, such as running Prettier with npx prettier; 2. Create multiple build systems for different tools or languages; 3. Use similar methods to configure linters such as ESLint to ensure that corresponding tools are installed and commands are adjusted; 4. Automatic formatting is achieved through plug-ins or scripts, or manually bind shortcut keys to perform formatting and saving operations.
Sublime Text doesn't come with a built-in build system for running linters or formatters like VS Code or other modern editors, but you can absolutely set it up yourself using its flexible "Build System" feature. With just a few tweaks, you can run tools like ESLint, Prettier, Black, or whatever your preferred tool is — right from Sublime.
Set Up a Custom Build System
The core idea is to create a custom .sublime-build file that tells Sublime what command to run when you hit Cmd/Ctrl B . Here's how:
- Go to Tools > Build System > New Build System...
- Replace the template content with something like this (example for Prettier):
{
"cmd": ["npx", "prettier", "--write", "$file"],
"selector": "source.js, source.jsx, source.ts, source.tsx",
"working_dir": "$folder"
}- Save it with a name like
Prettier.sublime-build.
This setup will format the currently open file when you run the build command. You can make different build systems for different languages ??or tools.
Run Linters Without Leaving Sublime
If you want to run a linter like ESLint or Flake8, the approach is similar — just change the command. For example:
{
"cmd": ["eslint", "$file"],
"selector": "source.js, source.jsx",
"env": {"NODE_ENV": "development"}
}Keep in mind:
- Make sure the linter is installed globally or locally in your project.
- If using a local version, use
npx eslintinstead of justeslint. - The output will show in the Sublime console at the bottom — not as fancy as inline errors, but still helpful.
Combine Formatting and Saving (Optional)
If you're used to saving and auto-formatting, Sublime doesn't do that by default, but you can get close using plugins like Save On Build or FormatOnSave , or even write a small script that runs the formatter before saving.
Alternatively, manually trigger formatting before save:
- Assign a key binding to run the build system.
- Or create a macro that runs the formatter and then saves the file.
For example, create a .sublime-macro file with:
[
{ "command": "build" },
{ "command": "save" }
]Then assign a keyboard shortcut via Preferences > Key Bindings .
That's basically it. It takes a little setup, but once you've got the right build systems in place, Sublime Text becomes a much more powerful tool for clean, linted code. Not quite as automatic as some IDEs, but fast and lightweight — which is why people still love Sublime.
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SublimeText can run linter or formatter through a custom build system. 1. Create .sublime-build file and configure commands, such as running Prettier with npxprettier; 2. Create multiple build systems for different tools or languages; 3. Use similar methods to configure ESLint and other linters to ensure that corresponding tools are installed and commands are adjusted; 4. Automatic formatting is achieved through plug-ins or scripts, or manually bind shortcut keys to perform formatting and saving operations.
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