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<!DOCTYPE html> <html> <head> <title>command.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="browser.html"> browser.coffee </a> <a class="source" href="cake.html"> cake.coffee </a> <a class="source" href="coffee-script.html"> coffee-script.coffee </a> <a class="source" href="command.html"> command.coffee </a> <a class="source" href="grammar.html"> grammar.coffee </a> <a class="source" href="helpers.html"> helpers.coffee </a> <a class="source" href="index.html"> index.coffee </a> <a class="source" href="lexer.html"> lexer.coffee </a> <a class="source" href="nodes.html"> nodes.coffee </a> <a class="source" href="optparse.html"> optparse.coffee </a> <a class="source" href="repl.html"> repl.coffee </a> <a class="source" href="rewriter.html"> rewriter.coffee </a> <a class="source" href="scope.html"> scope.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> command.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> <p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
into various forms: saved into <code>.js</code> files or printed to stdout, piped to
<a href="http://javascriptlint.com/">JavaScript Lint</a> or recompiled every time the source is
saved, printed as a token stream or as the syntax tree, or launch an
interactive REPL.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>External dependencies.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">fs = </span><span class="nx">require</span> <span class="s">'fs'</span>
<span class="nv">path = </span><span class="nx">require</span> <span class="s">'path'</span>
<span class="nv">helpers = </span><span class="nx">require</span> <span class="s">'./helpers'</span>
<span class="nv">optparse = </span><span class="nx">require</span> <span class="s">'./optparse'</span>
<span class="nv">CoffeeScript = </span><span class="nx">require</span> <span class="s">'./coffee-script'</span>
<span class="p">{</span><span class="nx">spawn</span><span class="p">,</span> <span class="nx">exec</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">'child_process'</span>
<span class="p">{</span><span class="nx">EventEmitter</span><span class="p">}</span> <span class="o">=</span> <span class="nx">require</span> <span class="s">'events'</span>
<span class="nv">exists = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">exists</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">exists</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>Allow CoffeeScript to emit Node.js events.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">helpers</span><span class="p">.</span><span class="nx">extend</span> <span class="nx">CoffeeScript</span><span class="p">,</span> <span class="k">new</span> <span class="nx">EventEmitter</span>
<span class="nv">printLine = </span><span class="nf">(line) -></span> <span class="nx">process</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="nx">write</span> <span class="nx">line</span> <span class="o">+</span> <span class="s">'\n'</span>
<span class="nv">printWarn = </span><span class="nf">(line) -></span> <span class="nx">process</span><span class="p">.</span><span class="nx">stderr</span><span class="p">.</span><span class="nx">write</span> <span class="nx">line</span> <span class="o">+</span> <span class="s">'\n'</span>
<span class="nv">hidden = </span><span class="nf">(file) -></span> <span class="o">/^</span><span class="err">\</span><span class="p">.</span><span class="o">|~</span><span class="nx">$</span><span class="o">/</span><span class="p">.</span><span class="nx">test</span> <span class="nx">file</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>The help banner that is printed when <code>coffee</code> is called without arguments.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">BANNER = </span><span class="s">'''</span>
<span class="s"> Usage: coffee [options] path/to/script.coffee -- [args]</span>
<span class="s"> If called without options, `coffee` will run your script.</span>
<span class="s">'''</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>The list of all the valid option flags that <code>coffee</code> knows how to handle.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">SWITCHES = </span><span class="p">[</span>
<span class="p">[</span><span class="s">'-b'</span><span class="p">,</span> <span class="s">'--bare'</span><span class="p">,</span> <span class="s">'compile without a top-level function wrapper'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-c'</span><span class="p">,</span> <span class="s">'--compile'</span><span class="p">,</span> <span class="s">'compile to JavaScript and save as .js files'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-e'</span><span class="p">,</span> <span class="s">'--eval'</span><span class="p">,</span> <span class="s">'pass a string from the command line as input'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-h'</span><span class="p">,</span> <span class="s">'--help'</span><span class="p">,</span> <span class="s">'display this help message'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-i'</span><span class="p">,</span> <span class="s">'--interactive'</span><span class="p">,</span> <span class="s">'run an interactive CoffeeScript REPL'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-j'</span><span class="p">,</span> <span class="s">'--join [FILE]'</span><span class="p">,</span> <span class="s">'concatenate the source CoffeeScript before compiling'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-l'</span><span class="p">,</span> <span class="s">'--lint'</span><span class="p">,</span> <span class="s">'pipe the compiled JavaScript through JavaScript Lint'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-n'</span><span class="p">,</span> <span class="s">'--nodes'</span><span class="p">,</span> <span class="s">'print out the parse tree that the parser produces'</span><span class="p">]</span>
<span class="p">[</span> <span class="s">'--nodejs [ARGS]'</span><span class="p">,</span> <span class="s">'pass options directly to the "node" binary'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-o'</span><span class="p">,</span> <span class="s">'--output [DIR]'</span><span class="p">,</span> <span class="s">'set the output directory for compiled JavaScript'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-p'</span><span class="p">,</span> <span class="s">'--print'</span><span class="p">,</span> <span class="s">'print out the compiled JavaScript'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-r'</span><span class="p">,</span> <span class="s">'--require [FILE*]'</span><span class="p">,</span> <span class="s">'require a library before executing your script'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-s'</span><span class="p">,</span> <span class="s">'--stdio'</span><span class="p">,</span> <span class="s">'listen for and compile scripts over stdio'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-t'</span><span class="p">,</span> <span class="s">'--tokens'</span><span class="p">,</span> <span class="s">'print out the tokens that the lexer/rewriter produce'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-v'</span><span class="p">,</span> <span class="s">'--version'</span><span class="p">,</span> <span class="s">'display the version number'</span><span class="p">]</span>
<span class="p">[</span><span class="s">'-w'</span><span class="p">,</span> <span class="s">'--watch'</span><span class="p">,</span> <span class="s">'watch scripts for changes and rerun commands'</span><span class="p">]</span>
<span class="p">]</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>Top-level objects shared by all the functions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">opts = </span><span class="p">{}</span>
<span class="nv">sources = </span><span class="p">[]</span>
<span class="nv">sourceCode = </span><span class="p">[]</span>
<span class="nv">notSources = </span><span class="p">{}</span>
<span class="nv">watchers = </span><span class="p">{}</span>
<span class="nv">optionParser = </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>Run <code>coffee</code> by parsing passed options and determining what action to take.
Many flags cause us to divert before compiling anything. Flags passed after
<code>--</code> will be passed verbatim to your script as arguments in <code>process.argv</code></p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">exports.run = </span><span class="nf">-></span>
<span class="nx">parseOptions</span><span class="p">()</span>
<span class="k">return</span> <span class="nx">forkNode</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">nodejs</span>
<span class="k">return</span> <span class="nx">usage</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">help</span>
<span class="k">return</span> <span class="nx">version</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">version</span>
<span class="nx">loadRequires</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">require</span>
<span class="k">return</span> <span class="nx">require</span> <span class="s">'./repl'</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">interactive</span>
<span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span> <span class="o">and</span> <span class="o">!</span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span>
<span class="k">return</span> <span class="nx">printWarn</span> <span class="s">"The --watch feature depends on Node v0.6.0+. You are running </span><span class="si">#{</span><span class="nx">process</span><span class="p">.</span><span class="nx">version</span><span class="si">}</span><span class="s">."</span>
<span class="k">return</span> <span class="nx">compileStdio</span><span class="p">()</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">stdio</span>
<span class="k">return</span> <span class="nx">compileScript</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">sources</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nb">eval</span>
<span class="k">return</span> <span class="nx">require</span> <span class="s">'./repl'</span> <span class="k">unless</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">length</span>
<span class="nv">literals = </span><span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">run</span> <span class="k">then</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">splice</span> <span class="mi">1</span> <span class="k">else</span> <span class="p">[]</span>
<span class="nv">process.argv = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">..</span><span class="mi">1</span><span class="p">].</span><span class="nx">concat</span> <span class="nx">literals</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="s">'coffee'</span>
<span class="nv">process.execPath = </span><span class="nx">require</span><span class="p">.</span><span class="nx">main</span><span class="p">.</span><span class="nx">filename</span>
<span class="k">for</span> <span class="nx">source</span> <span class="k">in</span> <span class="nx">sources</span>
<span class="nx">compilePath</span> <span class="nx">source</span><span class="p">,</span> <span class="kc">yes</span><span class="p">,</span> <span class="nx">path</span><span class="p">.</span><span class="nx">normalize</span> <span class="nx">source</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>Compile a path, which could be a script or a directory. If a directory
is passed, recursively compile all '.coffee' extension source files in it
and all subdirectories.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compilePath = </span><span class="nf">(source, topLevel, base) -></span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">stat</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, stats) -></span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">'ENOENT'</span>
<span class="k">if</span> <span class="nx">err</span><span class="o">?</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="k">if</span> <span class="nx">topLevel</span> <span class="o">and</span> <span class="nx">source</span><span class="p">[</span><span class="o">-</span><span class="mi">7</span><span class="p">..]</span> <span class="o">isnt</span> <span class="s">'.coffee'</span>
<span class="nv">source = </span><span class="nx">sources</span><span class="p">[</span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">source</span><span class="p">)]</span> <span class="o">=</span> <span class="s">"</span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">.coffee"</span>
<span class="k">return</span> <span class="nx">compilePath</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">topLevel</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">if</span> <span class="nx">topLevel</span>
<span class="nx">console</span><span class="p">.</span><span class="nx">error</span> <span class="s">"File not found: </span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">"</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span>
<span class="k">return</span>
<span class="k">if</span> <span class="nx">stats</span><span class="p">.</span><span class="nx">isDirectory</span><span class="p">()</span>
<span class="nx">watchDir</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">readdir</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, files) -></span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">'ENOENT'</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">err</span><span class="o">?</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="nv">index = </span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">source</span>
<span class="nv">files = </span><span class="nx">files</span><span class="p">.</span><span class="nx">filter</span> <span class="nf">(file) -></span> <span class="o">not</span> <span class="nx">hidden</span> <span class="nx">file</span>
<span class="nx">sources</span><span class="p">[</span><span class="nx">index</span><span class="p">..</span><span class="nx">index</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">file</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">files</span><span class="p">)</span>
<span class="nx">sourceCode</span><span class="p">[</span><span class="nx">index</span><span class="p">..</span><span class="nx">index</span><span class="p">]</span> <span class="o">=</span> <span class="nx">files</span><span class="p">.</span><span class="nx">map</span> <span class="nf">-></span> <span class="kc">null</span>
<span class="nx">files</span><span class="p">.</span><span class="nx">forEach</span> <span class="nf">(file) -></span>
<span class="nx">compilePath</span> <span class="p">(</span><span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">file</span><span class="p">),</span> <span class="kc">no</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">topLevel</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">extname</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">is</span> <span class="s">'.coffee'</span>
<span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">readFile</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, code) -></span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">'ENOENT'</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">err</span><span class="o">?</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="nx">compileScript</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">base</span><span class="p">)</span>
<span class="k">else</span>
<span class="nx">notSources</span><span class="p">[</span><span class="nx">source</span><span class="p">]</span> <span class="o">=</span> <span class="kc">yes</span>
<span class="nx">removeSource</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>Compile a single source script, containing the given code, according to the
requested options. If evaluating the script directly sets <code>__filename</code>,
<code>__dirname</code> and <code>module.filename</code> to be correct relative to the script's path.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileScript = </span><span class="nf">(file, input, base) -></span>
<span class="nv">o = </span><span class="nx">opts</span>
<span class="nv">options = </span><span class="nx">compileOptions</span> <span class="nx">file</span>
<span class="k">try</span>
<span class="nv">t = task = </span><span class="p">{</span><span class="nx">file</span><span class="p">,</span> <span class="nx">input</span><span class="p">,</span> <span class="nx">options</span><span class="p">}</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s">'compile'</span><span class="p">,</span> <span class="nx">task</span>
<span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">tokens</span> <span class="k">then</span> <span class="nx">printTokens</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">tokens</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">nodes</span> <span class="k">then</span> <span class="nx">printLine</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">nodes</span><span class="p">(</span><span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">).</span><span class="nx">toString</span><span class="p">().</span><span class="nx">trim</span><span class="p">()</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">run</span> <span class="k">then</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">run</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">join</span> <span class="o">and</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span> <span class="o">isnt</span> <span class="nx">o</span><span class="p">.</span><span class="nx">join</span>
<span class="nx">sourceCode</span><span class="p">[</span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">)]</span> <span class="o">=</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span>
<span class="nx">compileJoin</span><span class="p">()</span>
<span class="k">else</span>
<span class="nv">t.output = </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">t</span><span class="p">.</span><span class="nx">input</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">options</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s">'success'</span><span class="p">,</span> <span class="nx">task</span>
<span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="k">then</span> <span class="nx">printLine</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">.</span><span class="nx">trim</span><span class="p">()</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="k">then</span> <span class="nx">writeJs</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">lint</span> <span class="k">then</span> <span class="nx">lint</span> <span class="nx">t</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">t</span><span class="p">.</span><span class="nx">output</span>
<span class="k">catch</span> <span class="nx">err</span>
<span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">emit</span> <span class="s">'failure'</span><span class="p">,</span> <span class="nx">err</span><span class="p">,</span> <span class="nx">task</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">listeners</span><span class="p">(</span><span class="s">'failure'</span><span class="p">).</span><span class="nx">length</span>
<span class="k">return</span> <span class="nx">printLine</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span> <span class="o">+</span> <span class="s">'\x07'</span> <span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">printWarn</span> <span class="nx">err</span> <span class="k">instanceof</span> <span class="nb">Error</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">stack</span> <span class="o">or</span> <span class="s">"ERROR: </span><span class="si">#{</span><span class="nx">err</span><span class="si">}</span><span class="s">"</span>
<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">1</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
and write them back to <strong>stdout</strong>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileStdio = </span><span class="nf">-></span>
<span class="nv">code = </span><span class="s">''</span>
<span class="nv">stdin = </span><span class="nx">process</span><span class="p">.</span><span class="nx">openStdin</span><span class="p">()</span>
<span class="nx">stdin</span><span class="p">.</span><span class="nx">on</span> <span class="s">'data'</span><span class="p">,</span> <span class="nf">(buffer) -></span>
<span class="nx">code</span> <span class="o">+=</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">()</span> <span class="k">if</span> <span class="nx">buffer</span>
<span class="nx">stdin</span><span class="p">.</span><span class="nx">on</span> <span class="s">'end'</span><span class="p">,</span> <span class="nf">-></span>
<span class="nx">compileScript</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">code</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>If all of the source files are done being read, concatenate and compile
them together.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">joinTimeout = </span><span class="kc">null</span>
<span class="nv">compileJoin = </span><span class="nf">-></span>
<span class="k">return</span> <span class="k">unless</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span>
<span class="k">unless</span> <span class="nx">sourceCode</span><span class="p">.</span><span class="nx">some</span><span class="p">(</span><span class="nf">(code) -></span> <span class="nx">code</span> <span class="o">is</span> <span class="kc">null</span><span class="p">)</span>
<span class="nx">clearTimeout</span> <span class="nx">joinTimeout</span>
<span class="nv">joinTimeout = </span><span class="nx">wait</span> <span class="mi">100</span><span class="p">,</span> <span class="nf">-></span>
<span class="nx">compileScript</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span><span class="p">,</span> <span class="nx">sourceCode</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">'\n'</span><span class="p">),</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>Load files that are to-be-required before compilation occurs.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">loadRequires = </span><span class="nf">-></span>
<span class="nv">realFilename = </span><span class="nx">module</span><span class="p">.</span><span class="nx">filename</span>
<span class="nv">module.filename = </span><span class="s">'.'</span>
<span class="nx">require</span> <span class="nx">req</span> <span class="k">for</span> <span class="nx">req</span> <span class="k">in</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">require</span>
<span class="nv">module.filename = </span><span class="nx">realFilename</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>Watch a source CoffeeScript file using <code>fs.watch</code>, recompiling it every
time the file is updated. May be used in combination with other options,
such as <code>--lint</code> or <code>--print</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">watch = </span><span class="nf">(source, base) -></span>
<span class="nv">prevStats = </span><span class="kc">null</span>
<span class="nv">compileTimeout = </span><span class="kc">null</span>
<span class="nv">watchErr = </span><span class="nf">(e) -></span>
<span class="k">if</span> <span class="nx">e</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="k">return</span> <span class="k">if</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">is</span> <span class="o">-</span><span class="mi">1</span>
<span class="k">try</span>
<span class="nx">rewatch</span><span class="p">()</span>
<span class="nx">compile</span><span class="p">()</span>
<span class="k">catch</span> <span class="nx">e</span>
<span class="nx">removeSource</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span><span class="p">,</span> <span class="kc">yes</span>
<span class="nx">compileJoin</span><span class="p">()</span>
<span class="k">else</span> <span class="k">throw</span> <span class="nx">e</span>
<span class="nv">compile = </span><span class="nf">-></span>
<span class="nx">clearTimeout</span> <span class="nx">compileTimeout</span>
<span class="nv">compileTimeout = </span><span class="nx">wait</span> <span class="mi">25</span><span class="p">,</span> <span class="nf">-></span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">stat</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, stats) -></span>
<span class="k">return</span> <span class="nx">watchErr</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span>
<span class="k">return</span> <span class="nx">rewatch</span><span class="p">()</span> <span class="k">if</span> <span class="nx">prevStats</span> <span class="o">and</span> <span class="nx">stats</span><span class="p">.</span><span class="nx">size</span> <span class="o">is</span> <span class="nx">prevStats</span><span class="p">.</span><span class="nx">size</span> <span class="o">and</span>
<span class="nx">stats</span><span class="p">.</span><span class="nx">mtime</span><span class="p">.</span><span class="nx">getTime</span><span class="p">()</span> <span class="o">is</span> <span class="nx">prevStats</span><span class="p">.</span><span class="nx">mtime</span><span class="p">.</span><span class="nx">getTime</span><span class="p">()</span>
<span class="nv">prevStats = </span><span class="nx">stats</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">readFile</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, code) -></span>
<span class="k">return</span> <span class="nx">watchErr</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span>
<span class="nx">compileScript</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">.</span><span class="nx">toString</span><span class="p">(),</span> <span class="nx">base</span><span class="p">)</span>
<span class="nx">rewatch</span><span class="p">()</span>
<span class="k">try</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">compile</span>
<span class="k">catch</span> <span class="nx">e</span>
<span class="nx">watchErr</span> <span class="nx">e</span>
<span class="nv">rewatch = </span><span class="nf">-></span>
<span class="nx">watcher</span><span class="o">?</span><span class="p">.</span><span class="nx">close</span><span class="p">()</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">compile</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">¶</a> </div> <p>Watch a directory of files for new additions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">watchDir = </span><span class="nf">(source, base) -></span>
<span class="nv">readdirTimeout = </span><span class="kc">null</span>
<span class="k">try</span>
<span class="nv">watcher = </span><span class="nx">fs</span><span class="p">.</span><span class="nx">watch</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">-></span>
<span class="nx">clearTimeout</span> <span class="nx">readdirTimeout</span>
<span class="nv">readdirTimeout = </span><span class="nx">wait</span> <span class="mi">25</span><span class="p">,</span> <span class="nf">-></span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">readdir</span> <span class="nx">source</span><span class="p">,</span> <span class="nf">(err, files) -></span>
<span class="k">if</span> <span class="nx">err</span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">unless</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="nx">watcher</span><span class="p">.</span><span class="nx">close</span><span class="p">()</span>
<span class="k">return</span> <span class="nx">unwatchDir</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">files</span> <span class="k">when</span> <span class="o">not</span> <span class="nx">hidden</span><span class="p">(</span><span class="nx">file</span><span class="p">)</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">notSources</span><span class="p">[</span><span class="nx">file</span><span class="p">]</span>
<span class="nv">file = </span><span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">file</span>
<span class="k">continue</span> <span class="k">if</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">some</span> <span class="nf">(s) -></span> <span class="nx">s</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">file</span><span class="p">)</span> <span class="o">>=</span> <span class="mi">0</span>
<span class="nx">sources</span><span class="p">.</span><span class="nx">push</span> <span class="nx">file</span>
<span class="nx">sourceCode</span><span class="p">.</span><span class="nx">push</span> <span class="kc">null</span>
<span class="nx">compilePath</span> <span class="nx">file</span><span class="p">,</span> <span class="kc">no</span><span class="p">,</span> <span class="nx">base</span>
<span class="k">catch</span> <span class="nx">e</span>
<span class="k">throw</span> <span class="nx">e</span> <span class="k">unless</span> <span class="nx">e</span><span class="p">.</span><span class="nx">code</span> <span class="o">is</span> <span class="s">'ENOENT'</span>
<span class="nv">unwatchDir = </span><span class="nf">(source, base) -></span>
<span class="nv">prevSources = </span><span class="nx">sources</span><span class="p">[..]</span>
<span class="nv">toRemove = </span><span class="p">(</span><span class="nx">file</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">sources</span> <span class="k">when</span> <span class="nx">file</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">>=</span> <span class="mi">0</span><span class="p">)</span>
<span class="nx">removeSource</span> <span class="nx">file</span><span class="p">,</span> <span class="nx">base</span><span class="p">,</span> <span class="kc">yes</span> <span class="k">for</span> <span class="nx">file</span> <span class="k">in</span> <span class="nx">toRemove</span>
<span class="k">return</span> <span class="k">unless</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">some</span> <span class="nf">(s, i) -></span> <span class="nx">prevSources</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">isnt</span> <span class="nx">s</span>
<span class="nx">compileJoin</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">¶</a> </div> <p>Remove a file from our source list, and source code cache. Optionally remove
the compiled JS version as well.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">removeSource = </span><span class="nf">(source, base, removeJs) -></span>
<span class="nv">index = </span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span> <span class="nx">source</span>
<span class="nx">sources</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">index</span><span class="p">,</span> <span class="mi">1</span>
<span class="nx">sourceCode</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">index</span><span class="p">,</span> <span class="mi">1</span>
<span class="k">if</span> <span class="nx">removeJs</span> <span class="o">and</span> <span class="o">not</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">join</span>
<span class="nv">jsPath = </span><span class="nx">outputPath</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span>
<span class="nx">exists</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nf">(itExists) -></span>
<span class="k">if</span> <span class="nx">itExists</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">unlink</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nf">(err) -></span>
<span class="k">throw</span> <span class="nx">err</span> <span class="k">if</span> <span class="nx">err</span> <span class="o">and</span> <span class="nx">err</span><span class="p">.</span><span class="nx">code</span> <span class="o">isnt</span> <span class="s">'ENOENT'</span>
<span class="nx">timeLog</span> <span class="s">"removed </span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">"</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">¶</a> </div> <p>Get the corresponding output JavaScript path for a source file.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">outputPath = </span><span class="nf">(source, base) -></span>
<span class="nv">filename = </span><span class="nx">path</span><span class="p">.</span><span class="nx">basename</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">path</span><span class="p">.</span><span class="nx">extname</span><span class="p">(</span><span class="nx">source</span><span class="p">))</span> <span class="o">+</span> <span class="s">'.js'</span>
<span class="nv">srcDir = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">source</span>
<span class="nv">baseDir = </span><span class="k">if</span> <span class="nx">base</span> <span class="o">is</span> <span class="s">'.'</span> <span class="k">then</span> <span class="nx">srcDir</span> <span class="k">else</span> <span class="nx">srcDir</span><span class="p">.</span><span class="nx">substring</span> <span class="nx">base</span><span class="p">.</span><span class="nx">length</span>
<span class="nv">dir = </span><span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span> <span class="k">then</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">output</span><span class="p">,</span> <span class="nx">baseDir</span> <span class="k">else</span> <span class="nx">srcDir</span>
<span class="nx">path</span><span class="p">.</span><span class="nx">join</span> <span class="nx">dir</span><span class="p">,</span> <span class="nx">filename</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">¶</a> </div> <p>Write out a JavaScript source file with the compiled code. By default, files
are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
directory can be customized with <code>--output</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">writeJs = </span><span class="nf">(source, js, base) -></span>
<span class="nv">jsPath = </span><span class="nx">outputPath</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">base</span>
<span class="nv">jsDir = </span><span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span> <span class="nx">jsPath</span>
<span class="nv">compile = </span><span class="nf">-></span>
<span class="nv">js = </span><span class="s">' '</span> <span class="k">if</span> <span class="nx">js</span><span class="p">.</span><span class="nx">length</span> <span class="o"><=</span> <span class="mi">0</span>
<span class="nx">fs</span><span class="p">.</span><span class="nx">writeFile</span> <span class="nx">jsPath</span><span class="p">,</span> <span class="nx">js</span><span class="p">,</span> <span class="nf">(err) -></span>
<span class="k">if</span> <span class="nx">err</span>
<span class="nx">printLine</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span>
<span class="k">else</span> <span class="k">if</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">compile</span> <span class="o">and</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">watch</span>
<span class="nx">timeLog</span> <span class="s">"compiled </span><span class="si">#{</span><span class="nx">source</span><span class="si">}</span><span class="s">"</span>
<span class="nx">exists</span> <span class="nx">jsDir</span><span class="p">,</span> <span class="nf">(itExists) -></span>
<span class="k">if</span> <span class="nx">itExists</span> <span class="k">then</span> <span class="nx">compile</span><span class="p">()</span> <span class="k">else</span> <span class="nx">exec</span> <span class="s">"mkdir -p </span><span class="si">#{</span><span class="nx">jsDir</span><span class="si">}</span><span class="s">"</span><span class="p">,</span> <span class="nx">compile</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">¶</a> </div> <p>Convenience for cleaner setTimeouts.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">wait = </span><span class="nf">(milliseconds, func) -></span> <span class="nx">setTimeout</span> <span class="nx">func</span><span class="p">,</span> <span class="nx">milliseconds</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">¶</a> </div> <p>When watching scripts, it's useful to log changes with the timestamp.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">timeLog = </span><span class="nf">(message) -></span>
<span class="nx">console</span><span class="p">.</span><span class="nx">log</span> <span class="s">"</span><span class="si">#{</span><span class="p">(</span><span class="k">new</span> <span class="nb">Date</span><span class="p">).</span><span class="nx">toLocaleTimeString</span><span class="p">()</span><span class="si">}</span><span class="s"> - </span><span class="si">#{</span><span class="nx">message</span><span class="si">}</span><span class="s">"</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-20">¶</a> </div> <p>Pipe compiled JS through JSLint (requires a working <code>jsl</code> command), printing
any errors or warnings that arise.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">lint = </span><span class="nf">(file, js) -></span>
<span class="nv">printIt = </span><span class="nf">(buffer) -></span> <span class="nx">printLine</span> <span class="nx">file</span> <span class="o">+</span> <span class="s">':\t'</span> <span class="o">+</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">toString</span><span class="p">().</span><span class="nx">trim</span><span class="p">()</span>
<span class="nv">conf = </span><span class="nx">__dirname</span> <span class="o">+</span> <span class="s">'/../../extras/jsl.conf'</span>
<span class="nv">jsl = </span><span class="nx">spawn</span> <span class="s">'jsl'</span><span class="p">,</span> <span class="p">[</span><span class="s">'-nologo'</span><span class="p">,</span> <span class="s">'-stdin'</span><span class="p">,</span> <span class="s">'-conf'</span><span class="p">,</span> <span class="nx">conf</span><span class="p">]</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdout</span><span class="p">.</span><span class="nx">on</span> <span class="s">'data'</span><span class="p">,</span> <span class="nx">printIt</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stderr</span><span class="p">.</span><span class="nx">on</span> <span class="s">'data'</span><span class="p">,</span> <span class="nx">printIt</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">write</span> <span class="nx">js</span>
<span class="nx">jsl</span><span class="p">.</span><span class="nx">stdin</span><span class="p">.</span><span class="nx">end</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-21">¶</a> </div> <p>Pretty-print a stream of tokens.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">printTokens = </span><span class="nf">(tokens) -></span>
<span class="nv">strings = </span><span class="k">for</span> <span class="nx">token</span> <span class="k">in</span> <span class="nx">tokens</span>
<span class="p">[</span><span class="nx">tag</span><span class="p">,</span> <span class="nx">value</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">token</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">token</span><span class="p">[</span><span class="mi">1</span><span class="p">].</span><span class="nx">toString</span><span class="p">().</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\n/</span><span class="p">,</span> <span class="s">'\\n'</span><span class="p">)]</span>
<span class="s">"[</span><span class="si">#{</span><span class="nx">tag</span><span class="si">}</span><span class="s"> </span><span class="si">#{</span><span class="nx">value</span><span class="si">}</span><span class="s">]"</span>
<span class="nx">printLine</span> <span class="nx">strings</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s">' '</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-22"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-22">¶</a> </div> <p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
<code>process.argv</code> that are specified in <code>SWITCHES</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">parseOptions = </span><span class="nf">-></span>
<span class="nv">optionParser = </span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">SWITCHES</span><span class="p">,</span> <span class="nx">BANNER</span>
<span class="nv">o = opts = </span><span class="nx">optionParser</span><span class="p">.</span><span class="nx">parse</span> <span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">2</span><span class="p">..]</span>
<span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="o">or=</span> <span class="o">!!</span><span class="nx">o</span><span class="p">.</span><span class="nx">output</span>
<span class="nv">o.run = </span><span class="o">not</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nx">compile</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">lint</span><span class="p">)</span>
<span class="nv">o.print = </span><span class="o">!!</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nx">print</span> <span class="o">or</span> <span class="p">(</span><span class="nx">o</span><span class="p">.</span><span class="nb">eval</span> <span class="o">or</span> <span class="nx">o</span><span class="p">.</span><span class="nx">stdio</span> <span class="o">and</span> <span class="nx">o</span><span class="p">.</span><span class="nx">compile</span><span class="p">))</span>
<span class="nv">sources = </span><span class="nx">o</span><span class="p">.</span><span class="nx">arguments</span>
<span class="nx">sourceCode</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="kc">null</span> <span class="k">for</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">i</span> <span class="k">in</span> <span class="nx">sources</span>
<span class="k">return</span></pre></div> </td> </tr> <tr id="section-23"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-23">¶</a> </div> <p>The compile-time options to pass to the CoffeeScript compiler.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compileOptions = </span><span class="nf">(filename) -></span>
<span class="p">{</span><span class="nx">filename</span><span class="p">,</span> <span class="nv">bare: </span><span class="nx">opts</span><span class="p">.</span><span class="nx">bare</span><span class="p">,</span> <span class="nv">header: </span><span class="nx">opts</span><span class="p">.</span><span class="nx">compile</span><span class="p">}</span></pre></div> </td> </tr> <tr id="section-24"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-24">¶</a> </div> <p>Start up a new Node.js instance with the arguments in <code>--nodejs</code> passed to
the <code>node</code> binary, preserving the other options.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">forkNode = </span><span class="nf">-></span>
<span class="nv">nodeArgs = </span><span class="nx">opts</span><span class="p">.</span><span class="nx">nodejs</span><span class="p">.</span><span class="nx">split</span> <span class="sr">/\s+/</span>
<span class="nv">args = </span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">..]</span>
<span class="nx">args</span><span class="p">.</span><span class="nx">splice</span> <span class="nx">args</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="s">'--nodejs'</span><span class="p">),</span> <span class="mi">2</span>
<span class="nx">spawn</span> <span class="nx">process</span><span class="p">.</span><span class="nx">execPath</span><span class="p">,</span> <span class="nx">nodeArgs</span><span class="p">.</span><span class="nx">concat</span><span class="p">(</span><span class="nx">args</span><span class="p">),</span>
<span class="nv">cwd: </span> <span class="nx">process</span><span class="p">.</span><span class="nx">cwd</span><span class="p">()</span>
<span class="nv">env: </span> <span class="nx">process</span><span class="p">.</span><span class="nx">env</span>
<span class="nv">customFds: </span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-25"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-25">¶</a> </div> <p>Print the <code>--help</code> usage message and exit. Deprecated switches are not
shown.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">usage = </span><span class="nf">-></span>
<span class="nx">printLine</span> <span class="p">(</span><span class="k">new</span> <span class="nx">optparse</span><span class="p">.</span><span class="nx">OptionParser</span> <span class="nx">SWITCHES</span><span class="p">,</span> <span class="nx">BANNER</span><span class="p">).</span><span class="nx">help</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-26"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-26">¶</a> </div> <p>Print the <code>--version</code> message and exit.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">version = </span><span class="nf">-></span>
<span class="nx">printLine</span> <span class="s">"CoffeeScript version </span><span class="si">#{</span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">VERSION</span><span class="si">}</span><span class="s">"</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>
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