node.vim (4520B)
1 if exists('g:loaded_node_provider') 2 finish 3 endif 4 let g:loaded_node_provider = 0 5 6 function! s:is_minimum_version(version, min_version) abort 7 if empty(a:version) 8 let nodejs_version = get(split(system(['node', '-v']), "\n"), 0, '') 9 if v:shell_error || nodejs_version[0] !=# 'v' 10 return 0 11 endif 12 else 13 let nodejs_version = a:version 14 endif 15 " Remove surrounding junk. Example: 'v4.12.0' => '4.12.0' 16 let nodejs_version = matchstr(nodejs_version, '\(\d\.\?\)\+') 17 " [major, minor, patch] 18 return !v:lua.vim.version.lt(nodejs_version, a:min_version) 19 endfunction 20 21 let s:NodeHandler = { 22 \ 'stdout_buffered': v:true, 23 \ 'result': '' 24 \ } 25 function! s:NodeHandler.on_exit(job_id, data, event) abort 26 let bin_dir = join(get(self, 'stdout', []), '') 27 let entry_point = bin_dir . self.entry_point 28 let self.result = filereadable(entry_point) ? entry_point : '' 29 endfunction 30 31 " Support for --inspect-brk requires node 6.12+ or 7.6+ or 8+ 32 " Return 1 if it is supported 33 " Return 0 otherwise 34 function! provider#node#can_inspect() abort 35 if !executable('node') 36 return 0 37 endif 38 let ver = get(split(system(['node', '-v']), "\n"), 0, '') 39 if v:shell_error || ver[0] !=# 'v' 40 return 0 41 endif 42 return (ver[1] ==# '6' && s:is_minimum_version(ver, '6.12.0')) 43 \ || s:is_minimum_version(ver, '7.6.0') 44 endfunction 45 46 function! provider#node#Detect() abort 47 let minver = '6.0.0' 48 if exists('g:node_host_prog') 49 return [expand(g:node_host_prog, v:true), ''] 50 endif 51 if !executable('node') 52 return ['', 'node not found (or not executable)'] 53 endif 54 if !s:is_minimum_version(v:null, minver) 55 return ['', printf('node version %s not found', minver)] 56 endif 57 58 let npm_opts = {} 59 if executable('npm') 60 let npm_opts = deepcopy(s:NodeHandler) 61 let npm_opts.entry_point = '/neovim/bin/cli.js' 62 let npm_opts.job_id = jobstart('npm --loglevel silent root -g', npm_opts) 63 endif 64 65 let yarn_opts = {} 66 if executable('yarn') 67 let yarn_opts = deepcopy(s:NodeHandler) 68 let yarn_opts.entry_point = '/node_modules/neovim/bin/cli.js' 69 " `yarn global dir` is slow (> 250ms), try the default path first 70 " https://github.com/yarnpkg/yarn/issues/2049#issuecomment-263183768 71 let yarn_config_dir = has('win32') ? '/AppData/Local/Yarn/Data' : '/.config/yarn' 72 let yarn_default_path = $HOME . yarn_config_dir . '/global/' . yarn_opts.entry_point 73 if filereadable(yarn_default_path) 74 return [yarn_default_path, ''] 75 endif 76 let yarn_opts.job_id = jobstart('yarn global dir', yarn_opts) 77 endif 78 79 let pnpm_opts = {} 80 if executable('pnpm') 81 let pnpm_opts = deepcopy(s:NodeHandler) 82 let pnpm_opts.entry_point = '/neovim/bin/cli.js' 83 let pnpm_opts.job_id = jobstart('pnpm --loglevel silent root -g', pnpm_opts) 84 endif 85 86 " npm returns the directory faster, so let's check that first 87 if !empty(npm_opts) 88 let result = jobwait([npm_opts.job_id]) 89 if result[0] == 0 && npm_opts.result != '' 90 return [npm_opts.result, ''] 91 endif 92 endif 93 94 if !empty(yarn_opts) 95 let result = jobwait([yarn_opts.job_id]) 96 if result[0] == 0 && yarn_opts.result != '' 97 return [yarn_opts.result, ''] 98 endif 99 endif 100 101 if !empty(pnpm_opts) 102 let result = jobwait([pnpm_opts.job_id]) 103 if result[0] == 0 && pnpm_opts.result != '' 104 return [pnpm_opts.result, ''] 105 endif 106 endif 107 108 return ['', 'failed to detect node'] 109 endfunction 110 111 function! provider#node#Prog() abort 112 return s:prog 113 endfunction 114 115 function! provider#node#Require(host) abort 116 if s:err != '' 117 echoerr s:err 118 return 119 endif 120 121 let args = ['node'] 122 123 if !empty($NVIM_NODE_HOST_DEBUG) && provider#node#can_inspect() 124 call add(args, '--inspect-brk') 125 endif 126 127 call add(args, provider#node#Prog()) 128 129 return provider#Poll(args, a:host.orig_name, '$NVIM_NODE_LOG_FILE') 130 endfunction 131 132 function! provider#node#Call(method, args) abort 133 if s:err != '' 134 echoerr s:err 135 return 136 endif 137 138 if !exists('s:host') 139 try 140 let s:host = remote#host#Require('node') 141 catch 142 let s:err = v:exception 143 echohl WarningMsg 144 echomsg v:exception 145 echohl None 146 return 147 endtry 148 endif 149 return call('rpcrequest', insert(insert(a:args, 'node_'.a:method), s:host)) 150 endfunction 151 152 153 let s:err = '' 154 let [s:prog, s:_] = provider#node#Detect() 155 let g:loaded_node_provider = empty(s:prog) ? 0 : 2 156 157 if g:loaded_node_provider != 2 158 let s:err = 'Cannot find the "neovim" node package. Try :checkhealth' 159 endif 160 161 call remote#host#RegisterPlugin('node-provider', 'node', [])