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<h1>register.coffee</h1>
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<div class="content"><div class='highlight'><pre>CoffeeScript = <span class="hljs-built_in">require</span> <span class="hljs-string">'./coffee-script'</span>
child_process = <span class="hljs-built_in">require</span> <span class="hljs-string">'child_process'</span>
helpers = <span class="hljs-built_in">require</span> <span class="hljs-string">'./helpers'</span>
path = <span class="hljs-built_in">require</span> <span class="hljs-string">'path'</span></pre></div></div>
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<p>Load and run a CoffeeScript file for Node, stripping any <code>BOM</code>s.</p>
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<div class="content"><div class='highlight'><pre><span class="hljs-function"><span class="hljs-title">loadFile</span> = <span class="hljs-params">(<span class="hljs-built_in">module</span>, filename)</span> -></span>
answer = CoffeeScript._compileFile filename, <span class="hljs-literal">false</span>
<span class="hljs-built_in">module</span>._compile answer, filename</pre></div></div>
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<p>If the installed version of Node supports <code>require.extensions</code>, register
CoffeeScript as an extension.</p>
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<div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> <span class="hljs-built_in">require</span>.extensions
<span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> CoffeeScript.FILE_EXTENSIONS
<span class="hljs-built_in">require</span>.extensions[ext] = loadFile</pre></div></div>
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<p>Patch Node’s module loader to be able to handle multi-dot extensions.
This is a horrible thing that should not be required.</p>
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<div class="content"><div class='highlight'><pre> Module = <span class="hljs-built_in">require</span> <span class="hljs-string">'module'</span>
<span class="hljs-function"><span class="hljs-title">findExtension</span> = <span class="hljs-params">(filename)</span> -></span>
extensions = path.basename(filename).split <span class="hljs-string">'.'</span></pre></div></div>
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<p>Remove the initial dot from dotfiles.</p>
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<div class="content"><div class='highlight'><pre> extensions.shift() <span class="hljs-keyword">if</span> extensions[<span class="hljs-number">0</span>] <span class="hljs-keyword">is</span> <span class="hljs-string">''</span></pre></div></div>
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<p>Start with the longest possible extension and work our way shortwards.</p>
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<div class="content"><div class='highlight'><pre> <span class="hljs-keyword">while</span> extensions.shift()
curExtension = <span class="hljs-string">'.'</span> + extensions.join <span class="hljs-string">'.'</span>
<span class="hljs-keyword">return</span> curExtension <span class="hljs-keyword">if</span> Module._extensions[curExtension]
<span class="hljs-string">'.js'</span>
<span class="hljs-attribute">Module</span>::<span class="hljs-function"><span class="hljs-title">load</span> = <span class="hljs-params">(filename)</span> -></span>
<span class="hljs-property">@filename</span> = filename
<span class="hljs-property">@paths</span> = Module._nodeModulePaths path.dirname filename
extension = findExtension filename
Module._extensions[extension](<span class="hljs-keyword">this</span>, filename)
<span class="hljs-property">@loaded</span> = <span class="hljs-literal">true</span></pre></div></div>
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<p>If we’re on Node, patch <code>child_process.fork</code> so that Coffee scripts are able
to fork both CoffeeScript files, and JavaScript files, directly.</p>
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<div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span> child_process
{fork} = child_process
binary = <span class="hljs-built_in">require</span>.resolve <span class="hljs-string">'../../bin/coffee'</span>
child_process.<span class="hljs-function"><span class="hljs-title">fork</span> = <span class="hljs-params">(path, args, options)</span> -></span>
<span class="hljs-keyword">if</span> helpers.isCoffee path
<span class="hljs-keyword">unless</span> Array.isArray args
options = args <span class="hljs-keyword">or</span> {}
args = []
args = [path].concat args
path = binary
fork path, args, options</pre></div></div>
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