120 lines
6.3 KiB
Plaintext
120 lines
6.3 KiB
Plaintext
# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](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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# 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 -itersel <a-x> s \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-indent-on-new-line %<
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evaluate-commands -draft -itersel %<
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# copy // comments prefix and following white spaces
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try %{ execute-keys -draft k <a-x> s ^\h*\K#\h* <ret> y gh j P }
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# preserve previous line indent
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try %{ execute-keys -draft \; K <a-&> }
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# filter previous line
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try %{ execute-keys -draft k : javascript-trim-indent <ret> }
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# indent after lines beginning / ending with opener token
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try %_ execute-keys -draft k <a-x> <a-k> ^\h*[[{]|[[{]$ <ret> j <a-gt> _
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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}/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/>])(?!>\()) (</.*?>|/>) regions
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add-highlighter "shared/%arg{1}/division" region '[\w\)\]]\K(/|(\h+/\h+))' '(?=\w)' group # Help Kakoune to better detect /…/ literals
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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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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook -group "%arg{1}-highlight" global WinSetOption "filetype=%arg{1}" "
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add-highlighter window/%arg{1} ref %arg{1}
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hook -once -always window WinSetOption filetype=.* %%{ remove-highlighter window/%arg{1} }
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"
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hook global WinSetOption "filetype=%arg{1}" "
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hook window ModeChange insert:.* -group %arg{1}-trim-indent javascript-trim-indent
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hook window InsertChar .* -group %arg{1}-indent javascript-indent-on-char
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hook window InsertChar \n -group %arg{1}-indent javascript-indent-on-new-line
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hook -once -always window WinSetOption filetype=.* %%{ remove-hooks window %arg{1}-.+ }
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"
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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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