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