1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
" Vim indent file
" Language: Javascript
" Maintainer: vim-javascript community
" URL: https://github.com/pangloss/vim-javascript
" Last Change: August 12, 2016
" Only load this indent file when no other was loaded.
if exists('b:did_indent')
finish
endif
let b:did_indent = 1
" Now, set up our indentation expression and keys that trigger it.
setlocal indentexpr=GetJavascriptIndent()
setlocal nolisp
setlocal indentkeys=0{,0},0),0],:,!^F,o,O,e
setlocal cinoptions+=j1,J1
let b:undo_indent = 'setlocal indentexpr< indentkeys< cinoptions<'
" Only define the function once.
if exists('*GetJavascriptIndent')
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" Get shiftwidth value
if exists('*shiftwidth')
function s:sw()
return shiftwidth()
endfunction
else
function s:sw()
return &sw
endfunction
endif
let s:line_pre = '^\s*\%(\/\*.\{-}\*\/\s*\)*'
let s:expr_case = s:line_pre . '\%(\%(case\>.\+\)\|default\)\s*:'
" Regex of syntax group names that are or delimit string or are comments.
let s:syng_strcom = '\%(s\%(tring\|pecial\)\|comment\|regex\|doc\|template\)'
" Regex of syntax group names that are strings or documentation.
let s:syng_comment = '\%(comment\|doc\)'
" Expression used to check whether we should skip a match with searchpair().
let s:skip_expr = "line('.') < (prevnonblank(v:lnum) - 2000) ? dummy : synIDattr(synID(line('.'),col('.'),0),'name') =~? '".s:syng_strcom."'"
function s:lookForParens(start,end,flags,time)
if has('reltime')
return searchpair(a:start,'',a:end,a:flags,s:skip_expr,0,a:time)
else
return searchpair(a:start,'',a:end,a:flags,0,0)
endif
endfunction
let s:line_term = '\%(\s*\%(\/\*.\{-}\*\/\s*\)\=\)\@>$'
" configurable regexes that define continuation lines, not including (, {, or [.
if !exists('g:javascript_opfirst')
let g:javascript_opfirst = '\%([<>,:?^%]\|\([-/.+]\)\%(\1\|\*\|\/\)\@!\|\*\/\@!\|=>\@!\||\|&\|in\%(stanceof\)\=\>\)'
endif
let g:javascript_opfirst = s:line_pre . g:javascript_opfirst
if !exists('g:javascript_continuation')
let g:javascript_continuation = '\%([<*,.?:^%]\|+\@<!+\|-\@<!-\|=\@<!>\|\*\@<!\/\|=\||\|&\|\<in\%(stanceof\)\=\)'
endif
let g:javascript_continuation .= s:line_term
function s:Onescope(lnum,text,add)
return a:text =~# '\%(\<else\|\<do\|=>' . (a:add ? '\|\<try\|\<finally' : '' ) . '\)' . s:line_term ||
\ ((a:add && a:text =~ s:line_pre . '$' && search('\%' . s:PrevCodeLine(a:lnum - 1) . 'l.)' . s:line_term)) ||
\ cursor(a:lnum, match(a:text, ')' . s:line_term)) > -1) &&
\ s:lookForParens('(', ')', 'cbW', 100) > 0 && search((a:add ?
\ '\%(function\*\|[[:lower:][:upper:]_$][[:digit:][:lower:][:upper:]_$]*\)' :
\ '\<\%(for\%(\s\+each\)\=\|if\|let\|w\%(hile\|ith\)\)') . '\_s*\%#\C','bW') &&
\ (a:add || (expand('<cword>') ==# 'while' ? !s:lookForParens('\<do\>\C', '\<while\>\C','bW',100) : 1))
endfunction
" Auxiliary Functions {{{2
" strip line of comment
function s:StripLine(c)
return a:c !~# s:expr_case ? substitute(a:c, '\%(:\@<!\/\/.*\)$', '','') : a:c
endfunction
" Find line above 'lnum' that isn't empty, in a comment, or in a string.
function s:PrevCodeLine(lnum)
let l:lnum = prevnonblank(a:lnum)
while l:lnum > 0
if synIDattr(synID(l:lnum,matchend(getline(l:lnum), '^\s*[^''"]'),0),'name') !~? s:syng_strcom
break
endif
let l:lnum = prevnonblank(l:lnum - 1)
endwhile
return l:lnum
endfunction
" Check if line 'lnum' has a balanced amount of parentheses.
function s:Balanced(lnum)
let open_0 = 0
let open_2 = 0
let open_4 = 0
let l:line = getline(a:lnum)
let pos = match(l:line, '[][(){}]', 0)
while pos != -1
if synIDattr(synID(a:lnum,pos + 1,0),'name') !~? s:syng_strcom
let idx = stridx('(){}[]', l:line[pos])
if idx % 2 == 0
let open_{idx} = open_{idx} + 1
else
let open_{idx - 1} = open_{idx - 1} - 1
endif
endif
let pos = match(l:line, '[][(){}]', pos + 1)
endwhile
return (!open_4 + !open_2 + !open_0) - 2
endfunction
" }}}
function GetJavascriptIndent()
if !exists('b:js_cache')
let b:js_cache = [0,0,0]
endif
" Get the current line.
let l:line = getline(v:lnum)
let syns = synIDattr(synID(v:lnum, 1, 0), 'name')
" start with strings,comments,etc.{{{2
if (l:line !~ '^[''"`]' && syns =~? 'string\|template') ||
\ (l:line !~ '^\s*[/*]' && syns =~? s:syng_comment)
return -1
endif
if l:line !~ '^\%(\/\*\|\s*\/\/\)' && syns =~? s:syng_comment
return cindent(v:lnum)
endif
let l:lnum = s:PrevCodeLine(v:lnum - 1)
if l:lnum == 0
return 0
endif
if (l:line =~# s:expr_case)
let cpo_switch = &cpo
set cpo+=%
let ind = cindent(v:lnum)
let &cpo = cpo_switch
return ind
endif
"}}}
" the containing paren, bracket, curly. Memoize, last lineNr either has the
" same scope or starts a new one, unless if it closed a scope.
call cursor(v:lnum,1)
if b:js_cache[0] >= l:lnum && b:js_cache[0] <= v:lnum && b:js_cache[0] &&
\ (b:js_cache[0] > l:lnum || s:Balanced(l:lnum) > 0)
let num = b:js_cache[1]
elseif syns != '' && l:line[0] =~ '\s'
let pattern = syns =~? 'block' ? ['{','}'] : syns =~? 'jsparen' ? ['(',')'] :
\ syns =~? 'jsbracket'? ['\[','\]'] : ['[({[]','[])}]']
let num = s:lookForParens(pattern[0],pattern[1],'bW',2000)
else
let num = s:lookForParens('[({[]','[])}]','bW',2000)
endif
let b:js_cache = [v:lnum,num,line('.') == v:lnum ? b:js_cache[2] : col('.')]
if l:line =~ s:line_pre . '[])}]'
return indent(num)
endif
let pline = s:StripLine(getline(l:lnum))
let inb = num == 0 ? 1 : (s:Onescope(num, s:StripLine(strpart(getline(num),0,b:js_cache[2] - 1)),1) ||
\ (l:line !~ s:line_pre . ',' && pline !~ ',' . s:line_term)) && num < l:lnum
let switch_offset = (!inb || num == 0) || expand("<cword>") !=# 'switch' ? 0 : &cino !~ ':' || !has('float') ? s:sw() :
\ float2nr(str2float(matchstr(&cino,'.*:\zs[-0-9.]*')) * (&cino =~# '.*:[^,]*s' ? s:sw() : 1))
" most significant, find the indent amount
if (inb && (l:line =~# g:javascript_opfirst ||
\ (pline =~# g:javascript_continuation && pline !~# s:expr_case && (pline !~ ':' . s:line_term || l:line !~#
\ s:line_pre . '\%(d\%(o\|ebugger\)\|else\|f\%(or\|inally\)\|if\|let\|switch\|t\%(hrow\|ry\)\|w\%(hile\|ith\)\)\>')))) ||
\ (num < l:lnum && s:Onescope(l:lnum,pline,0) && l:line !~ s:line_pre . '{')
return (num > 0 ? indent(num) : -s:sw()) + (s:sw() * 2) + switch_offset
elseif num > 0
return indent(num) + s:sw() + switch_offset
endif
endfunction
let &cpo = s:cpo_save
unlet s:cpo_save
|