kakoune/rc/extra/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 BufSetOption mimetype=text/x-pug %{
set buffer filetype pug
}
hook global BufCreate .*[.](pug|jade) %{
set buffer filetype pug
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
addhl -group / regions -default code pug \
text ^\h*\|\s $ '' \
text ^\h*([A-Za-z][A-Za-z0-9_-]*)?(\#[A-Za-z][A-Za-z0-9_-]*)?((?:\.[A-Za-z][A-Za-z0-9_-]*)*)?(?<=\S)\h+\K.* $ '' \
javascript ^\h*[-=!] $ '' \
double_string '"' (?:(?<!\\)(\\\\)*"|$) '' \
single_string "'" (?:(?<!\\)(\\\\)*'|$) '' \
comment // $ '' \
attribute \( \) \( \
puglang ^\h*\b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin)\b $ '' \
# Filters
# ‾‾‾‾‾‾‾
addhl -group /pug/double_string fill string
addhl -group /pug/single_string fill string
addhl -group /pug/comment fill comment
addhl -group /pug/javascript ref javascript
addhl -group /pug/attribute ref javascript
addhl -group /pug/puglang ref javascript
addhl -group /pug/puglang regex \b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin|of|in)\b 0:keyword
addhl -group /pug/attribute regex [()=] 0:operator
addhl -group /pug/text regex \h*(\|) 1:meta
addhl -group /pug/code regex ^\h*([A-Za-z][A-Za-z0-9_-]*) 1:type
addhl -group /pug/code regex (\#[A-Za-z][A-Za-z0-9_-]*) 1:identifier
addhl -group /pug/code regex ((?:\.[A-Za-z][A-Za-z0-9_-]*)*) 1:value
# Commands
# ‾‾‾‾‾‾‾‾
def -hidden _pug_filter_around_selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
}
def -hidden _pug_indent_on_new_line %{
eval -draft -itersel %{
# preserve previous line indent
try %{ exec -draft <space> K <a-&> }
# filter previous line
try %{ exec -draft k : _pug_filter_around_selections <ret> }
# copy '//', '|', '-' or '(!)=' prefix and following whitespace
try %{ exec -draft k x s ^\h*\K[/|!=-]{1,2}\h* <ret> y j p }
# indent unless we copied something above
try %{ exec -draft <a-gt> <space> b s \S <ret> g l <a-lt> }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=pug %{
addhl ref pug
hook window InsertEnd .* -group pug-hooks _pug_filter_around_selections
hook window InsertChar \n -group pug-indent _pug_indent_on_new_line
}
hook global WinSetOption filetype=(?!pug).* %{
rmhl pug
rmhooks window pug-indent
rmhooks window pug-hooks
}