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Diffstat (limited to 'guides/source/asset_pipeline.md')
-rw-r--r-- | guides/source/asset_pipeline.md | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/guides/source/asset_pipeline.md b/guides/source/asset_pipeline.md index 72aff1e0dd..e9d3712a2a 100644 --- a/guides/source/asset_pipeline.md +++ b/guides/source/asset_pipeline.md @@ -405,11 +405,10 @@ JavaScript and stylesheet. * `image-url("rails.png")` becomes `url(/assets/rails.png)` * `image-path("rails.png")` becomes `"/assets/rails.png"`. -The more generic form can also be used but the asset path and class must both be -specified: +The more generic form can also be used: -* `asset-url("rails.png", image)` becomes `url(/assets/rails.png)` -* `asset-path("rails.png", image)` becomes `"/assets/rails.png"` +* `asset-url("rails.png")` becomes `url(/assets/rails.png)` +* `asset-path("rails.png")` becomes `"/assets/rails.png"` #### JavaScript/CoffeeScript and ERB @@ -503,7 +502,11 @@ NOTE. If you want to use multiple Sass files, you should generally use the [Sass rule](http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#import) instead of these Sprockets directives. Using Sprockets directives all Sass files exist within their own scope, making variables or mixins only available within the -document they were defined in. +document they were defined in. You can do file globbing as well using +`@import "*"`, and `@import "**/*"` to add the whole tree equivalent to how +`require_tree` works. Check the [sass-rails +documentation](https://github.com/rails/sass-rails#features) for more info and +important caveats. You can have as many manifest files as you need. For example, the `admin.css` and `admin.js` manifest could contain the JS and CSS files that are used for the @@ -1040,17 +1043,22 @@ Making Your Library or Gem a Pre-Processor As Sprockets uses [Tilt](https://github.com/rtomayko/tilt) as a generic interface to different templating engines, your gem should just implement the Tilt template protocol. Normally, you would subclass `Tilt::Template` and -reimplement `evaluate` method to return final output. Template source is stored -at `@code`. Have a look at +reimplement the `prepare` method, which initializes your template, and the +`evaluate` method, which returns the processed source. The original source is +stored in `data`. Have a look at [`Tilt::Template`](https://github.com/rtomayko/tilt/blob/master/lib/tilt/template.rb) sources to learn more. ```ruby module BangBang class Template < ::Tilt::Template + def prepare + # Do any initialization here + end + # Adds a "!" to original template. def evaluate(scope, locals, &block) - "#{@code}!" + "#{data}!" end end end |