225 lines
11 KiB
Plaintext
225 lines
11 KiB
Plaintext
# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.][cm]?(js)x? %{
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set-option buffer filetype javascript
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}
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hook global BufCreate .*[.](ts)x? %{
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set-option buffer filetype typescript
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=(javascript|typescript) %{
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require-module javascript
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hook window ModeChange pop:insert:.* -group "%val{hook_param_capture_1}-trim-indent" javascript-trim-indent
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hook window InsertChar .* -group "%val{hook_param_capture_1}-indent" javascript-indent-on-char
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hook window InsertChar \n -group "%val{hook_param_capture_1}-insert" javascript-insert-on-new-line
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hook window InsertChar \n -group "%val{hook_param_capture_1}-indent" javascript-indent-on-new-line
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hook -once -always window WinSetOption filetype=.* "
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remove-hooks window %val{hook_param_capture_1}-.+
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"
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}
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hook -group javascript-highlight global WinSetOption filetype=javascript %{
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add-highlighter window/javascript ref javascript
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/javascript }
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}
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hook -group typescript-highlight global WinSetOption filetype=typescript %{
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add-highlighter window/typescript ref typescript
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/typescript }
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}
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provide-module javascript %§
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command -hidden javascript-trim-indent %{
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# remove trailing white spaces
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try %{ execute-keys -draft x 1s^(\h+)$<ret> d }
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}
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define-command -hidden javascript-indent-on-char %<
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evaluate-commands -draft -itersel %<
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# align closer token to its opener when alone on a line
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try %/ execute-keys -draft <a-h> <a-k> ^\h+[\]}]$ <ret> m s \A|.\z <ret> 1<a-&> /
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>
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>
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define-command -hidden javascript-insert-on-new-line %<
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evaluate-commands -draft -itersel %<
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execute-keys <semicolon>
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try %[
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evaluate-commands -draft -save-regs '/"' %[
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# copy the commenting prefix
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execute-keys -save-regs '' k x1s^\h*(//+\h*)<ret> y
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try %[
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# if the previous comment isn't empty, create a new one
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execute-keys x<a-K>^\h*//+\h*$<ret> jxs^\h*<ret>P
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] catch %[
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# if there is no text in the previous comment, remove it completely
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execute-keys d
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]
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]
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]
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try %[
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# if the previous line isn't within a comment scope, break
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execute-keys -draft kx <a-k>^(\h*/\*|\h+\*(?!/))<ret>
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# find comment opening, validate it was not closed, and check its using star prefixes
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execute-keys -draft <a-?>/\*<ret><a-H> <a-K>\*/<ret> <a-k>\A\h*/\*([^\n]*\n\h*\*)*[^\n]*\n\h*.\z<ret>
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try %[
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# if the previous line is opening the comment, insert star preceeded by space
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execute-keys -draft kx<a-k>^\h*/\*<ret>
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execute-keys -draft i*<space><esc>
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] catch %[
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try %[
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# if the next line is a comment line insert a star
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execute-keys -draft jx<a-k>^\h+\*<ret>
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execute-keys -draft i*<space><esc>
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] catch %[
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try %[
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# if the previous line is an empty comment line, close the comment scope
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execute-keys -draft kx<a-k>^\h+\*\h+$<ret> x1s\*(\h*)<ret>c/<esc>
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] catch %[
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# if the previous line is a non-empty comment line, add a star
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execute-keys -draft i*<space><esc>
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]
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]
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]
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# trim trailing whitespace on the previous line
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try %[ execute-keys -draft s\h+$<ret> d ]
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# align the new star with the previous one
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execute-keys Kx1s^[^*]*(\*)<ret>&
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]
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>
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>
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define-command -hidden javascript-indent-on-new-line %<
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evaluate-commands -draft -itersel %<
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execute-keys <semicolon>
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try %<
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# if previous line is part of a comment, do nothing
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execute-keys -draft <a-?>/\*<ret> <a-K>^\h*[^/*\h]<ret>
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> catch %<
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# else if previous line closed a paren (possibly followed by words and a comment),
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# copy indent of the opening paren line
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execute-keys -draft kx 1s(\))(\h+\w+)*\h*(\;\h*)?(?://[^\n]+)?\n\z<ret> m<a-semicolon>J <a-S> 1<a-&>
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> catch %<
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# else indent new lines with the same level as the previous one
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execute-keys -draft K <a-&>
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>
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# remove previous empty lines resulting from the automatic indent
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try %< execute-keys -draft k x <a-k>^\h+$<ret> Hd >
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# indent after an opening brace or parenthesis at end of line
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try %< execute-keys -draft k x <a-k>[{(]\h*$<ret> j <a-gt> >
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# indent after a label (works for case statements)
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try %< execute-keys -draft k x s[a-zA-Z0-9_-]+:\h*$<ret> j <a-gt> >
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# indent after a statement not followed by an opening brace
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try %< execute-keys -draft k x s\)\h*(?://[^\n]+)?\n\z<ret> \
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<a-semicolon>mB <a-k>\A\b(if|for|while)\b<ret> <a-semicolon>j <a-gt> >
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try %< execute-keys -draft k x s \belse\b\h*(?://[^\n]+)?\n\z<ret> \
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j <a-gt> >
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# deindent after a single line statement end
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try %< execute-keys -draft K x <a-k>\;\h*(//[^\n]+)?$<ret> \
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K x s\)(\h+\w+)*\h*(//[^\n]+)?\n([^\n]*\n){2}\z<ret> \
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MB <a-k>\A\b(if|for|while)\b<ret> <a-S>1<a-&> >
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try %< execute-keys -draft K x <a-k>\;\h*(//[^\n]+)?$<ret> \
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K x s \belse\b\h*(?://[^\n]+)?\n([^\n]*\n){2}\z<ret> \
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<a-S>1<a-&> >
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# deindent closing brace(s) when after cursor
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try %< execute-keys -draft x <a-k> ^\h*[})] <ret> gh / [})] <esc> m <a-S> 1<a-&> >
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# align to the opening parenthesis or opening brace (whichever is first)
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# on a previous line if its followed by text on the same line
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try %< evaluate-commands -draft %<
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# Go to opening parenthesis and opening brace, then select the most nested one
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try %< execute-keys [c [({],[)}] <ret> >
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# Validate selection and get first and last char
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execute-keys <a-k>\A[{(](\h*\S+)+\n<ret> <a-K>"(([^"]*"){2})*<ret> <a-K>'(([^']*'){2})*<ret> <a-:><a-semicolon>L <a-S>
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# Remove possibly incorrect indent from new line which was copied from previous line
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try %< execute-keys -draft , <a-h> s\h+<ret> d >
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# Now indent and align that new line with the opening parenthesis/brace
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execute-keys 1<a-&> &
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> >
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>
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>
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# Highlighting and hooks bulder for JavaScript and TypeScript
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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define-command -hidden init-javascript-filetype -params 1 %~
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter "shared/%arg{1}" regions
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add-highlighter "shared/%arg{1}/code" default-region group
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add-highlighter "shared/%arg{1}/double_string" region '"' (?<!\\)(\\\\)*" fill string
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add-highlighter "shared/%arg{1}/single_string" region "'" (?<!\\)(\\\\)*' fill string
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add-highlighter "shared/%arg{1}/literal" region "`" (?<!\\)(\\\\)*` group
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add-highlighter "shared/%arg{1}/comment_line" region // '$' fill comment
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add-highlighter "shared/%arg{1}/comment" region /\* \*/ fill comment
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add-highlighter "shared/%arg{1}/shebang" region ^#! $ fill meta
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add-highlighter "shared/%arg{1}/division" region '[\w\)\]]\K(/|(\h+/\s+))' '(?=\w)' group # Help Kakoune to better detect /…/ literals
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add-highlighter "shared/%arg{1}/regex" region / (?<!\\)(\\\\)*/[gimuy]* fill meta
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add-highlighter "shared/%arg{1}/jsx" region -recurse (?<![\w<])<[a-zA-Z>][\w:.-]* (?<![\w<])<[a-zA-Z>][\w:.-]*(?!\hextends)(?=[\s/>])(?!>\()) (</.*?>|/>) regions
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# Regular expression flags are: g → global match, i → ignore case, m → multi-lines, u → unicode, y → sticky
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# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
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add-highlighter "shared/%arg{1}/literal/" fill string
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add-highlighter "shared/%arg{1}/literal/" regex \$\{.*?\} 0:value
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add-highlighter "shared/%arg{1}/code/" regex (?:^|[^$_])\b(document|false|null|parent|self|this|true|undefined|window)\b 1:value
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add-highlighter "shared/%arg{1}/code/" regex "-?\b[0-9]*\.?[0-9]+" 0:value
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add-highlighter "shared/%arg{1}/code/" regex \b(Array|Boolean|Date|Function|Number|Object|RegExp|String|Symbol)\b 0:type
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# jsx: In well-formed xml the number of opening and closing tags match up regardless of tag name.
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#
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# We inline a small XML highlighter here since it anyway need to recurse back up to the starting highlighter.
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# To make things simple we assume that jsx is always enabled.
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add-highlighter "shared/%arg{1}/jsx/tag" region -recurse < <(?=[/a-zA-Z>]) (?<!=)> regions
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add-highlighter "shared/%arg{1}/jsx/expr" region -recurse \{ \{ \} ref %arg{1}
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add-highlighter "shared/%arg{1}/jsx/tag/base" default-region group
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add-highlighter "shared/%arg{1}/jsx/tag/double_string" region =\K" (?<!\\)(\\\\)*" fill string
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add-highlighter "shared/%arg{1}/jsx/tag/single_string" region =\K' (?<!\\)(\\\\)*' fill string
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add-highlighter "shared/%arg{1}/jsx/tag/expr" region -recurse \{ \{ \} group
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add-highlighter "shared/%arg{1}/jsx/tag/base/" regex (\w+) 1:attribute
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add-highlighter "shared/%arg{1}/jsx/tag/base/" regex </?([\w-$]+) 1:keyword
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add-highlighter "shared/%arg{1}/jsx/tag/base/" regex (</?|/?>) 0:meta
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add-highlighter "shared/%arg{1}/jsx/tag/expr/" ref %arg{1}
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# Keywords are collected at
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# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Keywords
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# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get
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# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set
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add-highlighter "shared/%arg{1}/code/" regex \b(async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|export|extends|finally|for|function|get|if|import|in|instanceof|let|new|of|return|set|static|super|switch|throw|try|typeof|var|void|while|with|yield)\b 0:keyword
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~
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init-javascript-filetype javascript
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init-javascript-filetype typescript
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# Highlighting specific to TypeScript
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/typescript/code/ regex \b(array|boolean|date|number|object|regexp|string|symbol)\b 0:type
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# Keywords grabbed from https://github.com/Microsoft/TypeScript/issues/2536
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add-highlighter shared/typescript/code/ regex \b(as|constructor|declare|enum|from|implements|interface|module|namespace|package|private|protected|public|readonly|static|type)\b 0:keyword
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§
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# Aliases
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# ‾‾‾‾‾‾‾
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provide-module typescript %{ require-module javascript }
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