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| # nodejs Layer | ||
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| ## Table of Contents | ||
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| <!-- vim-markdown-toc GFM --> | ||
| * [Description](#description) | ||
| * [Install](#install) | ||
| * [Key Bindings](#keybindings) | ||
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| <!-- vim-markdown-toc --> | ||
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| ## Description | ||
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| This layer adds support for the Node.js tool. | ||
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| ## Install | ||
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| To use this layer, add it to your `~/.spacevim` as follows: | ||
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| ``` | ||
| let g:spacevim_layers = [ | ||
| \ 'programming', 'nodejs', | ||
| \ ] | ||
| ``` | ||
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| If Node.js is installed system-wide and is version >= 16.10 then that will be used. Otherwise the nodejs layer requires the programming layer to build Node.js as a dependency within vim-plug's plugged directory. | ||
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| Node.js built requires approx 900 MiB space, largely intermediate files. | ||
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| If you instead wish to use Node.js elsewhere (not on `$PATH`), this package will look at `$NODE` and use that if it is of sufficient version. | ||
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| The curated node will be added to `$PATH` for use by other plugins. Node.js >= v16.10 also includes yarn/npm, useful for other plugins to install dependencies. |
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| " Check for Node.js >= v16.10 | ||
| function! s:isNodeJsVersionSufficient(node) | ||
| let node_version = system(a:node.' --version') | ||
| let node_version_parts = map(filter(split(node_version, '\v\ze\.|v'), 'v:val =~ "\\v\\d+"'), 'matchstr(v:val, "\\v\\d+")') | ||
| if len(node_version_parts) >= 2 && (node_version_parts[0] > 16 || (node_version_parts[0] == 16 && node_version_parts[1] >= 10)) | ||
| return 1 | ||
| endif | ||
| return 0 | ||
| endfunction | ||
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| " Will do the following checks in order of precedence: | ||
| " -Use $NODE or $NODE/node if they exist and are executable | ||
| " -check for node as vim-plug plugin (user-specific) | ||
| " -check for system-wide install of node | ||
| " -If all above fail will get node as vim-plug plugin and build it | ||
| " Changes $PATH to include node path | ||
| function! s:isNewNodeJsRequired() | ||
| let pathsep = g:spacevim.os.windows ? ';' : ':' | ||
| " Prefer $NODE override | ||
| if exists('$NODE') | ||
| if executable('$NODE') == 1 && s:isNodeJsVersionSufficient('$NODE') | ||
| let $PATH = fnamemodify($NODE, ':h').pathsep.$PATH | ||
| return 0 | ||
| elseif executable('$NODE/node') == 1 && s:isNodeJsVersionSufficient('$NODE/node') | ||
| let $PATH = $NODE.pathsep.$PATH | ||
| return 0 | ||
| endif | ||
| endif | ||
| " Prefer user/plugin Node.js if it exists | ||
| if executable(g:plug_home.'/node/node') == 1 && s:isNodeJsVersionSufficient(g:plug_home.'/node/node') | ||
| let $PATH = g:plug_home.'/node'.pathsep.$PATH | ||
| return 0 | ||
| endif | ||
| " Last check for system-wide Node.js | ||
| if executable('node') == 1 && s:isNodeJsVersionSufficient('node') | ||
| return 0 | ||
| endif | ||
| return 1 | ||
| endfunction | ||
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| " If no valid $NODE or systemwide node.js: build node.js dependency | ||
| function! BuildNodeJs(info) | ||
| if g:spacevim.os.windows | ||
| echom 'Building Node.js automatically is not supported on Windows, Build it manually or send PR' | ||
| return | ||
| endif | ||
| if (!exists('$CC') && executable('gcc') != 1) || executable('make') != 1 || executable('python3') != 1 | ||
| echom 'Unable to build Node.js, requires a C++ compiler, make, and python3' | ||
| return | ||
| endif | ||
| if !spacevim#load('programming') | ||
| echom "nodejs layer requires the 'programming' layer to build. Add 'programming' layer to init.spacevim" | ||
| return | ||
| endif | ||
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| echom 'Building Node.js, please wait... restart Vim on completion' | ||
| let ninja_flag = '' | ||
| let jobs_flag = '' | ||
| if executable('ninja') | ||
| let ninja_flag=' --ninja' | ||
| else | ||
| " Determine number of cores/threads for make -j, ninja autodetects | ||
| if executable('lscpu') | ||
| execute 'let num_threads = '.join(split(system("lscpu | grep -E '?^(CPU\\(s\\):|Thread\\(s\\) per core:)' | tr -s ' ' | cut -f 2 -d:")),'*') | ||
| else | ||
| let num_threads = 4 | ||
| endif | ||
| let jobs_flag = ' -j '.num_threads | ||
| endif | ||
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| " This sets up corepack/npm links as default make taget doesn't | ||
| " Could alternatively `make install` to prefix and set PATH to prefix/bin | ||
| let temp_dir = fnamemodify(tempname(), ':p:h') | ||
| call system('./configure --prefix=./build'.ninja_flag.' > '.temp_dir.'/nodejs_configure.log') | ||
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| " Cache any existing Make definition and restore | ||
| let makeDefinitionTest = split(execute(':command Make'), '\n') | ||
| if len(makeDefinitionTest) > 1 | ||
| let makeDefinition = split(makeDefinitionTest[2], '\s\s\+') | ||
| endif | ||
| command! -bang -nargs=* -bar Make AsyncRun -mode=term -pos=tab -program=make @ <args> | ||
| execute 'Make'.jobs_flag | ||
| delcommand Make | ||
| if exists('makeDefinition') | ||
| " Restores prior definition. Has inadequacies. | ||
| execute 'command! '.(makeDefinition[0] =~ '!' ? '-bang ' : '').(makeDefinition[0] =~ '|' ? '-bar ' : '').(makeDefinition[0] =~ 'b' ? '-buffer ' : '').makeDefinition[0] =~ '\"' ? '-register ' : '').'-nargs='.makeDefinition[1].' Make '.makeDefinition[3] | ||
| endif | ||
| let $NODE = fnamemodify('.', ':p').'/node' | ||
| " TODO: Uncertain if correct node_modules | ||
| let $NODE_PATH = fnamemodify('.', ':p').'/tools/node_modules' | ||
| let pathsep = g:spacevim.os.windows ? ';' : ':' | ||
| let $PATH = g:plug_home.'/node'.pathsep.$PATH | ||
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| " Set links which `make install` does, they're necessary for use | ||
| call system("ln -s deps/corepack/dist/corepack.js corepack") | ||
| call system("ln -s deps/npm/bin/npm-cli.js npm") | ||
| call system("ln -s deps/npm/bin/npx-cli.js npx") | ||
| " Make Yarn available | ||
| call system("node corepack enable") | ||
| endfunction | ||
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| " isNewNodeJsRequired will add node to $PATH if needed | ||
| if s:isNewNodeJsRequired() | ||
| MP 'nodejs/node', { 'do': function('BuildNodeJs') } | ||
| endif |
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