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kakoune/rc/filetype/pug.kak

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# Note: jade is changing its name to pug (https://github.com/pugjs/pug/issues/2184)
# This appears to be a work in progress -- the pug-lang domain is parked, while
# the jade-lang one is active. This highlighter will recognize .pug and .jade extensions,
# http://jade-lang.com (will be http://pug-lang.com)
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](pug|jade) %{
set-option buffer filetype pug
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=pug %{
require-module pug
hook window ModeChange pop:insert:.* -group pug-trim-indent pug-trim-indent
hook window InsertChar \n -group pug-indent pug-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window pug-.+ }
}
hook -group pug-highlight global WinSetOption filetype=pug %{
add-highlighter window/pug ref pug
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/pug }
}
provide-module pug %{
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/pug regions
add-highlighter shared/pug/code default-region group
add-highlighter shared/pug/text region ^\h*\|\s $ regex \h*(\|) 1:meta
add-highlighter shared/pug/text2 region '^\h*([A-Za-z][A-Za-z0-9_-]*)?(#[A-Za-z][A-Za-z0-9_-]*)?((?:\.[A-Za-z][A-Za-z0-9_-]*)*)?(?<!\t)(?<! )(?<!\n)\h+\K.*' $ regex \h*(\|) 1:meta
add-highlighter shared/pug/javascript region ^\h*[-=!] $ ref javascript
add-highlighter shared/pug/double_string region '"' (?:(?<!\\)(\\\\)*"|$) fill string
add-highlighter shared/pug/single_string region "'" (?:(?<!\\)(\\\\)*'|$) fill string
add-highlighter shared/pug/comment region // $ fill comment
add-highlighter shared/pug/attribute region -recurse \( \( \) group
add-highlighter shared/pug/puglang region ^\h*\b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin)\b $ group
# Filters
# ‾‾‾‾‾‾‾
add-highlighter shared/pug/attribute/ ref javascript
add-highlighter shared/pug/attribute/ regex [()=] 0:operator
add-highlighter shared/pug/puglang/ ref javascript
add-highlighter shared/pug/puglang/ regex \b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin|of|in)\b 0:keyword
add-highlighter shared/pug/code/ regex ^\h*([A-Za-z][A-Za-z0-9_-]*) 1:type
add-highlighter shared/pug/code/ regex '(#[A-Za-z][A-Za-z0-9_-]*)' 1:variable
add-highlighter shared/pug/code/ regex ((?:\.[A-Za-z][A-Za-z0-9_-]*)*) 1:value
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden pug-trim-indent %{
# remove trailing white spaces
try %{ execute-keys -draft -itersel x s \h+$ <ret> d }
}
define-command -hidden pug-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# preserve previous line indent
try %{ execute-keys -draft <semicolon> K <a-&> }
# filter previous line
try %{ execute-keys -draft k : pug-trim-indent <ret> }
# copy '//', '|', '-' or '(!)=' prefix and following whitespace
try %{ execute-keys -draft k x s ^\h*\K[/|!=-]{1,2}\h* <ret> y gh j P }
# indent unless we copied something above
try %{ execute-keys -draft <a-gt> , b s \S <ret> g l <a-lt> }
}
}
}