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NSM Revved URL plugin for Craft CMS

This Twig function revs asset urls with the date modified timestamp

Installation

To install NSM Revved URL, follow these steps:

1. Download & unzip the file and place the nsmrevvedurl directory into your craft/plugins directory
2. -OR- do a git clone https://github.com/Newism/nsmrevvedurl.git directly into your craft/plugins folder. You can then update it with git pull
3. -OR- install with Composer via composer require nsm/craftcms-revved-url
4. Install plugin in the Craft Control Panel under Settings > Plugins
5. The plugin folder should be named nsmrevvedurl for Craft to see it. GitHub recently started appending -master (the branch name) to the name of the folder for zip file downloads.

NSM Revved URL works on Craft 2.4.x and Craft 2.5.x.

Usage

Native Assets

Its simple… just call the function and pass the asset and an optional transform

nsm_rev_asset_url(asset, transform)

Before revving:

http://example.com/uploads/images/_572x430_crop_center-center_80/James-Ellis_elevation-render-1.jpg

After revving:

http://example.com/uploads/images/_572x430_crop_center-center_80/James-Ellis_elevation-render-1.1485302752.jpg

Imager Support

NSM Revved URL supports Imager transforms and craft.imager.srcset() by wrapping the Imager plugin functions.

Returned a revved URL

{{ nsm_rev_imager_url(newsImage, transform) }}

Returned a revved Imager model

Caution this replaces the original url property

{% set revvedImagerAsset = nsm_rev_imager_asset(newsImage, transform) }}

{# output the revved URL #}
{{ revvedImagerAsset.url }}

Returned a revved Imager model for use with craft.imager.srcset()

{% set revvedImagerAsset = nsm_rev_imager_asset(newsImage, [transform1, transform2]) }}
{{ craft.imager.srcset(revvedImagerAsset) }}

Updating your server config

This plugin doesn't actually change the the filename on the server. You'll need to implement rewrite rules on your server.

Apache

See: https://github.com/h5bp/server-configs-apache/blob/master/dist/.htaccess#L968-L984

# ----------------------------------------------------------------------
# | Filename-based cache busting                                       |
# ----------------------------------------------------------------------

# If you're not using a build process to manage your filename version
# revving, you might want to consider enabling the following directives
# to route all requests such as `/style.12345.css` to `/style.css`.
#
# To understand why this is important and even a better solution than
# using something like `*.css?v231`, please see:
# http://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/

# <IfModule mod_rewrite.c>
#     RewriteEngine On
#     RewriteCond %{REQUEST_FILENAME} !-f
#     RewriteRule ^(.+)\.(\d+)\.(bmp|css|cur|gif|ico|jpe?g|js|png|svgz?|webp|webmanifest)$ $1.$3 [L]
# </IfModule>

NGINX

See: https://github.com/h5bp/server-configs-nginx/blob/master/h5bp/location/cache-busting.conf#L1-L10

# Built-in filename-based cache busting

# This will route all requests for /css/style.20120716.css to /css/style.css
# Read also this: github.com/h5bp/html5-boilerplate/wiki/cachebusting
# This is not included by default, because it'd be better if you use the build
# script to manage the file names.
location ~* (.+)\.(?:\d+)\.(js|css|png|jpg|jpeg|gif)$ {
  try_files $uri $1.$2;
}

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