if polyglot#init#is_disabled(expand('<sfile>:p'), 'svelte', 'syntax/svelte.vim')
finish
endif
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Vim syntax file
"
" Language: Svelte
" Maintainer: leaf <leafvocation@gmail.com>
"
" CREDITS: Inspired by mxw/vim-jsx.
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if exists("b:current_syntax") && b:current_syntax == 'svelte'
finish
endif
" For advanced users, this variable can be used to avoid overload
let b:current_loading_main_syntax = 'svelte'
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Config {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let s:load_full_syntax = svelte#GetConfig('load_full_syntax', 0)
let s:use_pug = svelte#GetConfig('use_pug', 0)
let s:use_less = svelte#GetConfig('use_less', 0)
let s:use_sass = svelte#GetConfig('use_sass', 0)
let s:use_coffee = svelte#GetConfig('use_coffee', 0)
let s:use_typescript = svelte#GetConfig('use_typescript', 0)
"}}}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Functions {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! s:LoadSyntax(group, type)
if s:load_full_syntax
call s:LoadFullSyntax(a:group, a:type)
else
call s:LoadDefaultSyntax(a:group, a:type)
endif
endfunction
function! s:LoadDefaultSyntax(group, type)
unlet! b:current_syntax
let syntaxPaths = ['$VIMRUNTIME', '$VIM/vimfiles', '$HOME/.vim']
for path in syntaxPaths
let file = expand(path).'/syntax/'.a:type.'.vim'
if filereadable(file)
execute 'syntax include '.a:group.' '.file
endif
endfor
endfunction
function! s:LoadFullSyntax(group, type)
call s:SetCurrentSyntax(a:type)
exec 'syntax include '.a:group.' syntax/'.a:type.'.vim'
endfunction
" Settings to avoid syntax overload
function! s:SetCurrentSyntax(type)
if a:type == 'coffee'
syntax cluster coffeeJS contains=@htmlJavaScript
" Avoid overload of `javascript.vim`
let b:current_syntax = 'svelte'
else
unlet! b:current_syntax
endif
endfunction
"}}}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Load main syntax {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Load syntax/html.vim to syntax group, which loads full JavaScript and CSS
" syntax. It defines group htmlJavaScript and htmlCss.
call s:LoadSyntax('@HTMLSyntax', 'html')
" Load svelte-html syntax
syntax include syntax/svelte-html.vim
" Avoid overload
if !hlexists('cssTagName')
call s:LoadSyntax('@htmlCss', 'css')
endif
" Avoid overload
if !hlexists('javaScriptComment')
call s:LoadSyntax('@htmlJavaScript', 'javascript')
endif
"}}}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Load pre-processors syntax {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" If pug is enabled, load vim-pug syntax
if s:use_pug
call s:LoadFullSyntax('@PugSyntax', 'pug')
endif
" If less is enabled, load less syntax
if s:use_less
call s:LoadSyntax('@LessSyntax', 'less')
runtime! after/syntax/less.vim
endif
" If sass is enabled, load sass syntax
if s:use_sass
call s:LoadSyntax('@SassSyntax', 'sass')
runtime! after/syntax/sass.vim
endif
" If CoffeeScript is enabled, load the syntax. Keep name consistent with
" vim-coffee-script/after/html.vim
if s:use_coffee
call s:LoadFullSyntax('@htmlCoffeeScript', 'coffee')
endif
" If TypeScript is enabled, load the syntax.
if s:use_typescript
call s:LoadFullSyntax('@TypeScript', 'typescript')
endif
"}}}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Syntax highlight {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" All start with html/javascript/css for emmet-vim in-file type detection
" Normal tag template
syntax region htmlSvelteTemplate fold
\ start=+<[-:a-zA-Z0-9]\+[^>]*>$+
\ end=+^</[-:a-zA-Z0-9]\+>+
\ keepend contains=@HTMLSyntax
" Start tag across multiple lines or Empty tag across multiple lines
syntax region htmlSvelteTemplate fold
\ start=+<[-:a-zA-Z0-9]\+[^>]*$+
\ end=+^\(<\/[-:a-zA-Z0-9]\+>\)\|^\([^<]*\/>\)+
\ keepend contains=@HTMLSyntax
" Tag in one line
syntax match htmlSvelteTemplate fold
\ +<[-:a-zA-Z0-9]\+[^>]*>.*</[-:a-zA-Z0-9]\+>+
\ contains=@HTMLSyntax
" Empty tag in one line
syntax match htmlSvelteTemplate fold
\ +<[-:a-zA-Z0-9]\+[^>]*/>+
\ contains=@HTMLSyntax
" @html,@debug tag in one line
syntax match htmlSvelteTemplate fold
\ +{@\(html\|debug\)[^}]*}+
\ contains=@HTMLSyntax
" Control blocks like {#if ...}, {#each ...}
syntax region htmlSvelteTemplate fold
\ start=+{#[-a-zA-Z0-9]\+[^}]*}+
\ end=+^{/[-a-zA-Z0-9]\+}+
\ keepend contains=@HTMLSyntax
syntax region javascriptSvelteScript fold
\ start=+<script[^>]*>+
\ end=+</script>+
\ keepend
\ contains=@htmlJavaScript,jsImport,jsExport,svelteTag,svelteKeyword
syntax region cssSvelteStyle fold
\ start=+<style[^>]*>+
\ end=+</style>+
\ keepend contains=@htmlCss,svelteTag
" Preprocessors syntax
syntax region pugSvelteTemplate fold
\ start=+<template[^>]*lang="pug"[^>]*>+
\ end=+</template>+
\ keepend contains=@PugSyntax,svelteTag
syntax region coffeeSvelteScript fold
\ start=+<script[^>]*lang="coffee"[^>]*>+
\ end=+</script>+
\ keepend contains=@htmlCoffeeScript,jsImport,jsExport,svelteTag
syntax region typescriptSvelteScript fold
\ start=+<script[^>]*lang="\(ts\|typescript\)"[^>]*>+
\ end=+</script>+
\ keepend contains=@TypeScript,svelteTag
syntax region cssLessSvelteStyle fold
\ start=+<style[^>]*lang="less"[^>]*>+
\ end=+</style>+
\ keepend contains=@LessSyntax,svelteTag
syntax region cssSassSvelteStyle fold
\ start=+<style[^>]*lang="sass"[^>]*>+
\ end=+</style>+
\ keepend contains=@SassSyntax,svelteTag
syntax region cssScssSvelteStyle fold
\ start=+<style[^>]*lang="scss"[^>]*>+
\ end=+</style>+
\ keepend contains=@SassSyntax,svelteTag
syntax region svelteTag
\ start=+^<[^/]+ end=+>+ skip=+></+
\ contained contains=htmlTagN,htmlString,htmlArg fold
syntax region svelteTag
\ start=+^</+ end=+>+
\ contained contains=htmlTagN,htmlString,htmlArg
syntax keyword svelteKeyword $ contained
highlight default link svelteTag htmlTag
highlight default link svelteKeyword Keyword
highlight default link cssUnitDecorators2 Number
highlight default link cssKeyFrameProp2 Constant
"}}}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Syntax patch {{{
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Patch 7.4.1142
if has("patch-7.4-1142")
if has("win32")
syn iskeyword @,48-57,_,128-167,224-235,$
else
syn iskeyword @,48-57,_,192-255,$
endif
endif
" Style
" Redefine (less|sass)Definition to highlight <style> correctly and
" enable emmet-vim css type.
if s:use_less
silent! syntax clear lessDefinition
syntax region cssLessDefinition matchgroup=cssBraces
\ contains=@LessSyntax,cssLessDefinition
\ contained containedin=cssLessSvelteStyle
\ start="{" end="}"
endif
if s:use_sass
silent! syntax clear sassDefinition
syntax region cssSassDefinition matchgroup=cssBraces
\ contains=@SassSyntax,cssSassDefinition
\ contained containedin=cssScssSvelteStyle,cssSassSvelteStyle
\ start="{" end="}"
endif
" Avoid css syntax interference
silent! syntax clear cssUnitDecorators
" Have to use a different name
syntax match cssUnitDecorators2
\ /\(#\|-\|+\|%\|mm\|cm\|in\|pt\|pc\|em\|ex\|px\|ch\|rem\|vh\|vw\|vmin\|vmax\|dpi\|dppx\|dpcm\|Hz\|kHz\|s\|ms\|deg\|grad\|rad\)\ze\(;\|$\)/
\ contained
\ containedin=cssAttrRegion,sassCssAttribute,lessCssAttribute
silent! syntax clear cssKeyFrameProp
syn match cssKeyFrameProp2 /\d*%\|from\|to/
\ contained nextgroup=cssDefinition
\ containedin=cssAttrRegion,sassCssAttribute,lessCssAttribute
" HTML
" Clear htmlHead that may cause highlighting out of bounds
silent! syntax clear htmlHead
" JavaScript
" Number with minus
syntax match javaScriptNumber '\v<-?\d+L?>|0[xX][0-9a-fA-F]+>'
\ containedin=@javascriptSvelteScript display
" html5 data-*
syntax match htmlArg '\v<data(-[.a-z0-9]+)+>' containedin=@HTMLSyntax
"}}}
let b:current_syntax = 'svelte'
" vim: fdm=marker
