103 lines
3.3 KiB
Markdown
103 lines
3.3 KiB
Markdown
# lightline-ale
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This plugin provides [ALE](https://github.com/w0rp/ale) indicator for the [lightline](https://github.com/itchyny/lightline.vim) vim plugin.
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## Table Of Contents
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* [Installation](#installation)
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* [Integration](#integration)
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* [Configuration](#configuration)
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* [License](#license)
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## Installation
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Install using a plugin manager of your choice, for example:
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```viml
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call dein#add('w0rp/ale') " Dependency: linter
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call dein#add('itchyny/lightline.vim') " Dependency: status line
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call dein#add('maximbaz/lightline-ale')
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```
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## Integration
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1. Register the components:
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```viml
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let g:lightline = {}
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let g:lightline.component_expand = {
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\ 'linter_checking': 'lightline#ale#checking',
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\ 'linter_warnings': 'lightline#ale#warnings',
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\ 'linter_errors': 'lightline#ale#errors',
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\ 'linter_ok': 'lightline#ale#ok',
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\ }
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```
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2. Set color to the components:
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```viml
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let g:lightline.component_type = {
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\ 'linter_checking': 'left',
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\ 'linter_warnings': 'warning',
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\ 'linter_errors': 'error',
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\ 'linter_ok': 'left',
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\ }
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```
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3. Add the components to the lightline, for example to the right side:
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```viml
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let g:lightline.active = { 'right': [[ 'linter_checking', 'linter_errors', 'linter_warnings', 'linter_ok' ]] }
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```
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## Configuration
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##### `g:lightline#ale#indicator_checking`
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The indicator to use when ALE is in progress. Default is `Linting...`.
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##### `g:lightline#ale#indicator_warnings`
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The indicator to use when there are warnings. Default is `W:`.
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##### `g:lightline#ale#indicator_errors`
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The indicator to use when there are errors. Default is `E:`.
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##### `g:lightline#ale#indicator_ok`
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The indicator to use when there are no warnings or errors. Default is `OK`.
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### Using icons as indicators
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If you would like to replace the default indicators with symbols like on the screenshot, then you'll need to ensure you have some "iconic fonts" installed, such as [Font Awesome](https://fontawesome.com). A common alternative is to replace your primary font with one of the [Patched Nerd Fonts](https://github.com/ryanoasis/nerd-fonts), which saves you from having to install multiple fonts.
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The following icons from the Font Awesome font are used in the screenshot:
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* Checking: [f110](https://fontawesome.com/icons/spinner)
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* Warnings: [f071](https://fontawesome.com/icons/exclamation-triangle)
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* Errors: [f05e](https://fontawesome.com/icons/ban)
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* OK: [f00c](https://fontawesome.com/icons/check) (although I prefer to disable this component)
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To specify icons in the configuration, use their unicode codes as `"\uXXXX"` (make sure to wrap them in double quotes). Alternatively copy the icons from a font website, or type <kbd>\<C-v\>u\<4-digit-unicode\></kbd> or <kbd>\<C-v\>U\<8-digit-unicode\></kbd> to insert the literal characters.
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See the code points here:
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* Font Awesome: https://fontawesome.com/icons
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* Nerd Fonts: https://github.com/ryanoasis/nerd-fonts#glyph-sets
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Here's the configuration snippet used in the screenshot:
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```viml
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let g:lightline#ale#indicator_checking = "\uf110"
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let g:lightline#ale#indicator_warnings = "\uf071"
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let g:lightline#ale#indicator_errors = "\uf05e"
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let g:lightline#ale#indicator_ok = "\uf00c"
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```
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## License
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Released under the [MIT License](LICENSE)
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