80 lines
1.9 KiB
VimL
80 lines
1.9 KiB
VimL
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" Vim indent file, taken from indent/java.vim
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" Language: Typescript
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" Maintainer: None! Wanna improve this?
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" Last Change: 2015 Mar 07
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" Only load this indent file when no other was loaded.
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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" Use javascript cindent options
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setlocal cindent cinoptions& cinoptions+=j1,J1
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setlocal indentkeys&
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" Load typescript indent function
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setlocal indentexpr=GetTypescriptIndent()
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let b:undo_indent = "setl cin< cino< indentkeys< indentexpr<"
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" Only define the function once
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if exists("*GetTypescriptIndent")
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finish
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endif
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" Make sure we have vim capabilities
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let s:keepcpo = &cpo
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set cpo&vim
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function! TypescriptPrevNonBlankOrComment(lnum)
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let pnum = prevnonblank(a:lnum)
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" skip any comments (either `//`, `/*` or `*`)
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while getline(pnum) =~ '^\s*\(\/\/\|\/\*\|\*\)'
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let pnum = prevnonblank(pnum-1)
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endwhile
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return pnum
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endfunction
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function GetTypescriptIndent()
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" default value: trust cindent
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let ind = cindent(v:lnum)
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if getline(v:lnum) =~ '^\s*[{}\*]'
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return ind
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endif
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" The last non-empty line
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let prev = TypescriptPrevNonBlankOrComment(v:lnum-1)
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" Check if the previous line consists of a single `<variable> : <type>;`
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" declaration (e.g. in interface definitions)
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if getline(prev) =~ '^\s*\w\+\s*:[^{]\+;\s*$'
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return indent(prev)
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endif
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" Try to find out whether the last `}` ended a `<variable> : {` block
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if getline(prev) =~ '};\s*$'
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" jump to matching `{` bracket
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call cursor(prev, 1)
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silent normal %
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" See if current line is type annotation without closing ';' but open
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" `{` bracket
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let lnum = line('.')
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if getline(lnum) =~ '^\s*\w\+\s*:[^;]\+{'
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let ind = indent(lnum)
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endif
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endif
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return ind
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endfunction
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" Restore compatibility mode
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let &cpo = s:keepcpo
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unlet s:keepcpo
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" vim: et
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