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kakoune/rc/extra/typescript.kak

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# requires rc/base/javascript.kak
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](ts)x? %{
set-option buffer filetype typescript
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/ regions -default code typescript \
double_string '"' (?<!\\)(\\\\)*" '' \
single_string "'" (?<!\\)(\\\\)*' '' \
literal "`" (?<!\\)(\\\\)*` '' \
comment // '$' '' \
comment /\* \*/ '' \
regex / (?<!\\)(\\\\)*/[gimuy]* '' \
division '[\w\)\]](/|(\h+/\h+))' '\w' '' # Help Kakoune to better detect /…/ literals
# Regular expression flags are: g → global match, i → ignore case, m → multi-lines, u → unicode, y → sticky
# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
add-highlighter shared/typescript/double_string ref javascript/double_string
add-highlighter shared/typescript/single_string ref javascript/single_string
add-highlighter shared/typescript/regex ref javascript/regex
add-highlighter shared/typescript/comment ref javascript/comment
add-highlighter shared/typescript/literal ref javascript/literal
add-highlighter shared/typescript/code ref javascript/code
add-highlighter shared/typescript/code regex \b(array|boolean|date|number|object|regexp|string|symbol)\b 0:type
# Keywords grabbed from https://github.com/Microsoft/TypeScript/issues/2536
add-highlighter shared/typescript/code regex \b(enum|as|implements|interface|package|private|protected|public|static|constructor|declare|get|module|set|type|from|of|readonly)\b 0:keyword
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group typescript-highlight global WinSetOption filetype=typescript %{ add-highlighter window ref typescript }
hook global WinSetOption filetype=javascript %{
hook window InsertEnd .* -group typescript-hooks javascript-filter-around-selections
hook window InsertChar .* -group typescript-indent javascript-indent-on-char
hook window InsertChar \n -group typescript-indent javascript-indent-on-new-line
}
hook -group typescript-highlight global WinSetOption filetype=(?!typescript).* %{ remove-highlighter window/typescript }
hook global WinSetOption filetype=(?!typescript).* %{
remove-hooks window typescript-indent
remove-hooks window typescript-hooks
}