115 lines
32 KiB
HTML
115 lines
32 KiB
HTML
<!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="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="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="octowrap"> <a class="octothorpe" href="#section-1">#</a> </div> <p>The <code>coffee</code> utility. Handles command-line compilation of CoffeeScript
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into various forms: saved into <code>.js</code> files or printed to stdout, piped to
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<a href="http://javascriptlint.com/">JSLint</a> or recompiled every time the source is
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saved, printed as a token stream or as the syntax tree, or launch an
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interactive REPL.</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" 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="s1">'fs'</span>
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<span class="nv">path: </span> <span class="nx">require</span> <span class="s1">'path'</span>
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<span class="nv">optparse: </span> <span class="nx">require</span> <span class="s1">'./optparse'</span>
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<span class="nv">CoffeeScript: </span><span class="nx">require</span> <span class="s1">'./coffee-script'</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-3">#</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="s1">'''</span>
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<span class="s1"> coffee compiles CoffeeScript source files into JavaScript.</span>
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<span class="s1"> Usage:</span>
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<span class="s1"> coffee path/to/script.coffee</span>
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<span class="s1"> '''</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-4">#</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>
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<span class="p">[</span><span class="s1">'-c'</span><span class="p">,</span> <span class="s1">'--compile'</span><span class="p">,</span> <span class="s1">'compile to JavaScript and save as .js files'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-i'</span><span class="p">,</span> <span class="s1">'--interactive'</span><span class="p">,</span> <span class="s1">'run an interactive CoffeeScript REPL'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-o'</span><span class="p">,</span> <span class="s1">'--output [DIR]'</span><span class="p">,</span> <span class="s1">'set the directory for compiled JavaScript'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-w'</span><span class="p">,</span> <span class="s1">'--watch'</span><span class="p">,</span> <span class="s1">'watch scripts for changes, and recompile'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-p'</span><span class="p">,</span> <span class="s1">'--print'</span><span class="p">,</span> <span class="s1">'print the compiled JavaScript to stdout'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-l'</span><span class="p">,</span> <span class="s1">'--lint'</span><span class="p">,</span> <span class="s1">'pipe the compiled JavaScript through JSLint'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-s'</span><span class="p">,</span> <span class="s1">'--stdio'</span><span class="p">,</span> <span class="s1">'listen for and compile scripts over stdio'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-e'</span><span class="p">,</span> <span class="s1">'--eval'</span><span class="p">,</span> <span class="s1">'compile a string from the command line'</span><span class="p">]</span>
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<span class="p">[</span> <span class="s1">'--no-wrap'</span><span class="p">,</span> <span class="s1">'compile without the top-level function wrapper'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-t'</span><span class="p">,</span> <span class="s1">'--tokens'</span><span class="p">,</span> <span class="s1">'print the tokens that the lexer produces'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-n'</span><span class="p">,</span> <span class="s1">'--nodes'</span><span class="p">,</span> <span class="s1">'print the parse tree that Jison produces'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-v'</span><span class="p">,</span> <span class="s1">'--version'</span><span class="p">,</span> <span class="s1">'display CoffeeScript version'</span><span class="p">]</span>
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<span class="p">[</span><span class="s1">'-h'</span><span class="p">,</span> <span class="s1">'--help'</span><span class="p">,</span> <span class="s1">'display this help message'</span><span class="p">]</span>
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<span class="p">]</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-5">#</a> </div> <p>Top-level objects shared by all the functions.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">options: </span><span class="p">{}</span>
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<span class="nv">sources: </span><span class="p">[]</span>
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<span class="nv">option_parser: </span><span class="kc">null</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-6">#</a> </div> <p>Run <code>coffee</code> by parsing passed options and determining what action to take.
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Many flags cause us to divert before compiling anything. Flags passed after
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<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="o">-></span>
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<span class="nx">parse_options</span><span class="p">()</span>
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<span class="k">return</span> <span class="nx">usage</span><span class="p">()</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">help</span>
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<span class="k">return</span> <span class="nx">version</span><span class="p">()</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">version</span>
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<span class="k">return</span> <span class="nx">require</span> <span class="s1">'./repl'</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">interactive</span>
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<span class="k">return</span> <span class="nx">compile_stdio</span><span class="p">()</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">stdio</span>
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<span class="k">return</span> <span class="nx">compile_script</span> <span class="s1">'console'</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">options</span><span class="p">.</span><span class="nb">eval</span>
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<span class="k">return</span> <span class="nx">usage</span><span class="p">()</span> <span class="nx">unless</span> <span class="nx">sources</span><span class="p">.</span><span class="nx">length</span>
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<span class="nv">separator: </span><span class="nx">sources</span><span class="p">.</span><span class="nx">indexOf</span> <span class="s1">'--'</span>
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<span class="nv">flags: </span><span class="p">[]</span>
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<span class="k">if</span> <span class="nx">separator</span> <span class="o">>=</span> <span class="mi">0</span>
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<span class="nv">flags: </span><span class="nx">sources</span><span class="p">[(</span><span class="nx">separator</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)...</span><span class="nx">sources</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span>
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<span class="nv">sources: </span><span class="nx">sources</span><span class="p">[</span><span class="mi">0</span><span class="p">...</span><span class="nx">separator</span><span class="p">]</span>
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<span class="nv">process.ARGV: process.argv: </span><span class="nx">flags</span>
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<span class="nx">watch_scripts</span><span class="p">()</span> <span class="k">if</span> <span class="nx">options</span><span class="p">.</span><span class="nx">watch</span>
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<span class="nx">compile_scripts</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-7">#</a> </div> <p>Asynchronously read in each CoffeeScript in a list of source files and
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compile them.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compile_scripts: </span><span class="o">-></span>
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<span class="nv">compile: </span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">path</span><span class="p">.</span><span class="nx">exists</span> <span class="nx">source</span><span class="p">,</span> <span class="p">(</span><span class="nx">exists</span><span class="p">)</span> <span class="o">-></span>
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<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span> <span class="s2">"File not found: $source"</span> <span class="nx">unless</span> <span class="nx">exists</span>
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<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="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span> <span class="o">-></span> <span class="nx">compile_script</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span>
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<span class="nx">compile</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="k">for</span> <span class="nx">source</span> <span class="k">in</span> <span class="nx">sources</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-8">#</a> </div> <p>Compile a single source script, containing the given code, according to the
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requested options. Both compile_scripts and watch_scripts share this method
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in common. If evaluating the script directly sets <code>__filename</code>, <code>__dirname</code>
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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">compile_script: </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="o">-></span>
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<span class="nv">o: </span><span class="nx">options</span>
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<span class="nv">code_opts: </span><span class="nx">compile_options</span> <span class="nx">source</span>
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<span class="k">try</span>
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<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">print_tokens</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">tokens</span> <span class="nx">code</span>
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<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">puts</span> <span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">nodes</span><span class="p">(</span><span class="nx">code</span><span class="p">).</span><span class="nx">toString</span><span class="p">()</span>
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<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">code</span><span class="p">,</span> <span class="nx">code_opts</span>
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<span class="k">else</span>
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<span class="nv">js: </span><span class="nx">CoffeeScript</span><span class="p">.</span><span class="nx">compile</span> <span class="nx">code</span><span class="p">,</span> <span class="nx">code_opts</span>
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<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">process</span><span class="p">.</span><span class="nx">stdio</span><span class="p">.</span><span class="nx">write</span> <span class="nx">js</span>
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<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">write_js</span> <span class="nx">source</span><span class="p">,</span> <span class="nx">js</span>
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<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">js</span>
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<span class="k">catch</span> <span class="nx">err</span>
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<span class="k">if</span> <span class="nx">o</span><span class="p">.</span><span class="nx">watch</span> <span class="k">then</span> <span class="nx">puts</span> <span class="nx">err</span><span class="p">.</span><span class="nx">message</span> <span class="k">else</span> <span class="k">throw</span> <span class="nx">err</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-9">#</a> </div> <p>Attach the appropriate listeners to compile scripts incoming over <strong>stdin</strong>,
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and write them back to <strong>stdout</strong>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">compile_stdio: </span><span class="o">-></span>
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<span class="nv">code: </span><span class="s1">''</span>
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<span class="nx">process</span><span class="p">.</span><span class="nx">stdio</span><span class="p">.</span><span class="nx">open</span><span class="p">()</span>
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<span class="nx">process</span><span class="p">.</span><span class="nx">stdio</span><span class="p">.</span><span class="nx">addListener</span> <span class="s1">'data'</span><span class="p">,</span> <span class="p">(</span><span class="nx">string</span><span class="p">)</span> <span class="o">-></span>
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<span class="nv">code: </span><span class="o">+</span> <span class="nx">string</span> <span class="k">if</span> <span class="nx">string</span>
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<span class="nx">process</span><span class="p">.</span><span class="nx">stdio</span><span class="p">.</span><span class="nx">addListener</span> <span class="s1">'close'</span><span class="p">,</span> <span class="o">-></span>
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<span class="nx">compile_script</span> <span class="s1">'stdio'</span><span class="p">,</span> <span class="nx">code</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-10">#</a> </div> <p>Watch a list of source CoffeeScript files using <code>fs.watchFile</code>, recompiling
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them every time the files are updated. May be used in combination with other
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options, such as <code>--lint</code> or <code>--print</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">watch_scripts: </span><span class="o">-></span>
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<span class="nv">watch: </span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">fs</span><span class="p">.</span><span class="nx">watchFile</span> <span class="nx">source</span><span class="p">,</span> <span class="p">{</span><span class="nv">persistent: </span><span class="kc">true</span><span class="p">,</span> <span class="nv">interval: </span><span class="mi">500</span><span class="p">},</span> <span class="p">(</span><span class="nx">curr</span><span class="p">,</span> <span class="nx">prev</span><span class="p">)</span> <span class="o">-></span>
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<span class="k">return</span> <span class="k">if</span> <span class="nx">curr</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">prev</span><span class="p">.</span><span class="nx">mtime</span><span class="p">.</span><span class="nx">getTime</span><span class="p">()</span>
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<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="p">(</span><span class="nx">err</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span> <span class="o">-></span> <span class="nx">compile_script</span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">code</span><span class="p">)</span>
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<span class="nx">watch</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="k">for</span> <span class="nx">source</span> <span class="k">in</span> <span class="nx">sources</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-11">#</a> </div> <p>Write out a JavaScript source file with the compiled code. By default, files
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are written out in <code>cwd</code> as <code>.js</code> files with the same name, but the output
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directory can be customized with <code>--output</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">write_js: </span><span class="p">(</span><span class="nx">source</span><span class="p">,</span> <span class="nx">js</span><span class="p">)</span> <span class="o">-></span>
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<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="s1">'.js'</span>
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<span class="nv">dir: </span> <span class="nx">options</span><span class="p">.</span><span class="nx">output</span> <span class="o">or</span> <span class="nx">path</span><span class="p">.</span><span class="nx">dirname</span><span class="p">(</span><span class="nx">source</span><span class="p">)</span>
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<span class="nv">js_path: </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>
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<span class="nx">fs</span><span class="p">.</span><span class="nx">writeFile</span> <span class="nx">js_path</span><span class="p">,</span> <span class="nx">js</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-12">#</a> </div> <p>Pipe compiled JS through JSLint (requires a working <code>jsl</code> command), printing
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any errors or warnings that arise.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">lint: </span><span class="p">(</span><span class="nx">js</span><span class="p">)</span> <span class="o">-></span>
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<span class="nv">jsl: </span><span class="nx">process</span><span class="p">.</span><span class="nx">createChildProcess</span><span class="p">(</span><span class="s1">'jsl'</span><span class="p">,</span> <span class="p">[</span><span class="s1">'-nologo'</span><span class="p">,</span> <span class="s1">'-stdin'</span><span class="p">])</span>
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<span class="nx">jsl</span><span class="p">.</span><span class="nx">addListener</span> <span class="s1">'output'</span><span class="p">,</span> <span class="p">(</span><span class="nx">result</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">puts</span> <span class="nx">result</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\n/g</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span> <span class="k">if</span> <span class="nx">result</span>
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<span class="nx">jsl</span><span class="p">.</span><span class="nx">addListener</span> <span class="s1">'error'</span><span class="p">,</span> <span class="p">(</span><span class="nx">result</span><span class="p">)</span> <span class="o">-></span>
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<span class="nx">puts</span> <span class="nx">result</span> <span class="k">if</span> <span class="nx">result</span>
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<span class="nx">jsl</span><span class="p">.</span><span class="nx">write</span> <span class="nx">js</span>
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<span class="nx">jsl</span><span class="p">.</span><span class="nx">close</span><span class="p">()</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-13">#</a> </div> <p>Pretty-print a stream of tokens.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">print_tokens: </span><span class="p">(</span><span class="nx">tokens</span><span class="p">)</span> <span class="o">-></span>
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<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>
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<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="s1">'\\n'</span><span class="p">)]</span>
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<span class="s2">"[$tag $value]"</span>
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<span class="nx">puts</span> <span class="nx">strings</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="s1">' '</span><span class="p">)</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-14">#</a> </div> <p>Use the <a href="optparse.html">OptionParser module</a> to extract all options from
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<code>process.argv</code> that are specified in <code>SWITCHES</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">parse_options: </span><span class="o">-></span>
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<span class="nv">option_parser: </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>
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<span class="nv">o: options: </span> <span class="nx">option_parser</span><span class="p">.</span><span class="nx">parse</span><span class="p">(</span><span class="nx">process</span><span class="p">.</span><span class="nx">argv</span><span class="p">)</span>
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<span class="nv">options.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>
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<span class="nv">options.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>
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<span class="nv">sources: </span> <span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">[</span><span class="mi">2</span><span class="p">...</span><span class="nx">options</span><span class="p">.</span><span class="nx">arguments</span><span class="p">.</span><span class="nx">length</span><span class="p">]</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-15">#</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">compile_options: </span><span class="p">(</span><span class="nx">source</span><span class="p">)</span> <span class="o">-></span>
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<span class="nv">o: </span><span class="p">{</span><span class="nv">source: </span><span class="nx">source</span><span class="p">}</span>
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<span class="nx">o</span><span class="p">[</span><span class="s1">'no_wrap'</span><span class="p">]</span><span class="o">:</span> <span class="nx">options</span><span class="p">[</span><span class="s1">'no-wrap'</span><span class="p">]</span>
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<span class="nx">o</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-16">#</a> </div> <p>Print the <code>--help</code> usage message and exit.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">usage: </span><span class="o">-></span>
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<span class="nx">puts</span> <span class="nx">option_parser</span><span class="p">.</span><span class="nx">help</span><span class="p">()</span>
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<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">0</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-17">#</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="o">-></span>
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<span class="nx">puts</span> <span class="s2">"CoffeeScript version ${CoffeeScript.VERSION}"</span>
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<span class="nx">process</span><span class="p">.</span><span class="nx">exit</span> <span class="mi">0</span>
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</pre></div> </td> </tr> </tbody> </table> </div> </body> </html> |