diff options
Diffstat (limited to 'guides/source/asset_pipeline.textile')
| -rw-r--r-- | guides/source/asset_pipeline.textile | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/guides/source/asset_pipeline.textile b/guides/source/asset_pipeline.textile index b1b1d21c2d..d79eb01ab2 100644 --- a/guides/source/asset_pipeline.textile +++ b/guides/source/asset_pipeline.textile @@ -328,9 +328,9 @@ This manifest +app/assets/javascripts/application.js+: would generate this HTML: <html> -<script src="/assets/core.js?body=1" type="text/javascript"></script> -<script src="/assets/projects.js?body=1" type="text/javascript"></script> -<script src="/assets/tickets.js?body=1" type="text/javascript"></script> +<script src="/assets/core.js?body=1"></script> +<script src="/assets/projects.js?body=1"></script> +<script src="/assets/tickets.js?body=1"></script> </html> The +body+ param is required by Sprockets. @@ -346,7 +346,7 @@ config.assets.debug = false When debug mode is off, Sprockets concatenates and runs the necessary preprocessors on all files. With debug mode turned off the manifest above would generate instead: <html> -<script src="/assets/application.js" type="text/javascript"></script> +<script src="/assets/application.js"></script> </html> Assets are compiled and cached on the first request after the server is started. Sprockets sets a +must-revalidate+ Cache-Control HTTP header to reduce request overhead on subsequent requests -- on these the browser gets a 304 (Not Modified) response. @@ -380,8 +380,8 @@ For example this: generates something like this: <html> -<script src="/assets/application-908e25f4bf641868d8683022a5b62f54.js" type="text/javascript"></script> -<link href="/assets/application-4dd5b109ee3439da54f5bdfd78a80473.css" media="screen" rel="stylesheet" type="text/css" /> +<script src="/assets/application-908e25f4bf641868d8683022a5b62f54.js"></script> +<link href="/assets/application-4dd5b109ee3439da54f5bdfd78a80473.css" media="screen" rel="stylesheet" /> </html> The fingerprinting behavior is controlled by the setting of +config.assets.digest+ setting in Rails (which defaults to +true+ for production and +false+ for everything else). @@ -409,7 +409,9 @@ cannot see application objects or methods. *Heroku requires this to be false.* WARNING: If you set +config.assets.initialize_on_precompile+ to false, be sure to test +rake assets:precompile+ locally before deploying. It may expose bugs where your assets reference application objects or methods, since those are still -in scope in development mode regardless of the value of this flag. +in scope in development mode regardless of the value of this flag. Changing this flag also affects +engines. Engines can define assets for precompilation as well. Since the complete environment is not loaded, +engines (or other gems) will not be loaded, which can cause missing assets. Capistrano (v2.8.0 and above) includes a recipe to handle this in deployment. Add the following line to +Capfile+: @@ -671,7 +673,7 @@ config.assets.compile = false # Generate digests for assets URLs. config.assets.digest = true -# Defaults to Rails.root.join("public/assets") +# Defaults to nil and saved in location specified by config.assets.prefix # config.assets.manifest = YOUR_PATH # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added) |