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Merged
merged 3 commits into from
Jul 24, 2019
Merged

Allow granular control over loading pre-processor syntax files #133

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ba9a3db
Allow for configurable g:vue_pre_processors
igemnace Mar 19, 2019
6f476f3
Update readme for g:vue_pre_processors
igemnace Mar 19, 2019
033df1b
Enforce order of pre-processor syntax files
igemnace Mar 19, 2019
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11 changes: 10 additions & 1 deletion readme.md
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Expand Up @@ -128,5 +128,14 @@ endfunction
</details>

### _Vim slows down when using this plugin_ How can I fix that?
When checking for pre-processor languages, multiple syntax highlighting checks are done, which can slow down vim. You can trim down which pre-processors to use by setting `g:vue_pre_processors` to a whitelist of languages to support:

Add `let g:vue_disable_pre_processors=1` in your .vimrc to disable checking for prepocessors. When checking for preprocessor languages, multiple syntax highlighting checks are done, which can slow down vim. This variable prevents vim-vue from supporting **every** pre-processor language highlighting.
```vim
let g:vue_pre_processors = ['pug', 'scss']
```

Or alternatively, disable pre-processor languages altogether:

```vim
let g:vue_disable_pre_processors = 1
```
38 changes: 28 additions & 10 deletions syntax/vue.vim
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Expand Up @@ -42,17 +42,35 @@ function! s:register_language(language, tag, ...)
endif
endfunction

let s:language_config = [
\ {'lang': 'less', 'args': ['less', 'style']},
\ {'lang': 'pug', 'args': ['pug', 'template', s:attr('lang', '\%(pug\|jade\)')]},
\ {'lang': 'slm', 'args': ['slm', 'template']},
\ {'lang': 'handlebars', 'args': ['handlebars', 'template']},
\ {'lang': 'haml', 'args': ['haml', 'template']},
\ {'lang': 'typescript', 'args': ['typescript', 'script', '\%(lang=\("\|''\)[^\1]*\(ts\|typescript\)[^\1]*\1\|ts\)']},
\ {'lang': 'coffee', 'args': ['coffee', 'script']},
\ {'lang': 'stylus', 'args': ['stylus', 'style']},
\ {'lang': 'sass', 'args': ['sass', 'style']},
\ {'lang': 'scss', 'args': ['scss', 'style']},
\ ]
let s:language_dict = {}
for item in s:language_config
let s:language_dict[item.lang] = item.args
endfor

if !exists("g:vue_disable_pre_processors") || !g:vue_disable_pre_processors
call s:register_language('less', 'style')
call s:register_language('pug', 'template', s:attr('lang', '\%(pug\|jade\)'))
call s:register_language('slm', 'template')
call s:register_language('handlebars', 'template')
call s:register_language('haml', 'template')
call s:register_language('typescript', 'script', '\%(lang=\("\|''\)[^\1]*\(ts\|typescript\)[^\1]*\1\|ts\)')
call s:register_language('coffee', 'script')
call s:register_language('stylus', 'style')
call s:register_language('sass', 'style')
call s:register_language('scss', 'style')
if exists("g:vue_pre_processors")
let pre_processors = g:vue_pre_processors
else
let pre_processors = map(copy(s:language_config), {k, v -> v.lang})
endif

for language in pre_processors
if has_key(s:language_dict, language)
call call("s:register_language", get(s:language_dict, language))
endif
endfor
endif

syn region vueSurroundingTag contained start=+<\(script\|style\|template\)+ end=+>+ fold contains=htmlTagN,htmlString,htmlArg,htmlValue,htmlTagError,htmlEvent
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