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14 changes: 14 additions & 0 deletions README.textile
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Expand Up @@ -14,6 +14,20 @@ sudo gem install closure-compiler

h2. Usage

h3. Rails

In `config/environments/production.rb`:
<pre>
config.assets.js_compressor = Closure::Compiler.new
</pre>

Specifically for ECMAScript6 support, use this instead:
<pre>
config.assets.js_compressor = Closure::Compiler.new(language_in: 'ECMASCRIPT6')
</pre>

h3. General

The @Closure::Compiler@ has a @compile@ method, which can be passed a string or an open @IO@ object, and returns the compiled JavaScript. The result is returned as a string, or, if a block is passed, yields as an @IO@ object for streaming writes.

<pre>
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