61 lines
1.2 KiB
Markdown
61 lines
1.2 KiB
Markdown
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---
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title: Watchexec
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updated: 2017-10-18
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category: CLI
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weight: -1
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keywords:
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- "watchexec --excts js,jsx -- npm test"
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- "watchexec --help"
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intro: |
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[mattgreen/watchexec](https://github.com/mattgreen/watchexec) runs commands whenever certain files change.
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---
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### Installation
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#### OSX
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```bash
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brew install watchexec
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```
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#### Rust
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```bash
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cargo install watchexec
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```
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For Linux and Windows, get it from [GitHub releases](https://github.com/mattgreen/watchexec).
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### Getting started
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```bash
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watchexec --exts js,jsx -- npm test
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```
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Runs `npm test` when `js,jsx` files change.
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```bash
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watchman -w lib -w test -- npm test
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```
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Runs `npm test` when `lib/` and `test/` files change.
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### Other options
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#### Flags
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| `-c` `--clear` | Clear screen |
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| `-r` `--restart` | Restart process if its still running |
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#### Options
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| `-s` `--signal SIGKILL` | Kill signal to use |
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| `-d` `--debounce MS` | Debounce by `MS` milliseconds |
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| `-e` `--exts EXTS` | Extensions |
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| `-i` `--ignore PATTERN` | Ignore these files |
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| `-w` `--watch PATH` | Watch these directories |
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## Also see
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* [mattgreen/watchexec](https://github.com/mattgreen/watchexec) _(github.com)_
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