mimosa module to rename assets files appending a file digest providing a unique name, so breaking the browser cache, when they change
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npm install mimosa-asset-cache-bust
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|Version||1.0.0 last updated 2 months ago|
|Keywords||mimosa, mmodule, cache bust, asset|
Mimosa Asset Cache Bust
Mimosa module for assets cache busting.
The current relase is for Mimosa v 2.0, if you would to use it with a previous mimosa version then use the release 0.0.3 of this module.
For more information regarding Mimosa, see http://mimosa.io
asset-cache-bust to your list of modules. That's all! Mimosa will install the module for you when you start up.
The module renames the assets left in the compiled directory (
compildedDir property from
watch Mimosa configuration section) which match the paths and/or file name patterns from the
files option configuration of this module.
The module only performs when optimization flag (
--optimize) but it can be run as a mimosa command
Bear in mind the module doesn't provide any mechanism to change the views and/or templates where they are referenced, so it is your task to find out how to update the references; e.g. in server template engine you may have a function that resolve the name depending of your environment and returning each appropriated asset's name base by an id.
The default configuration added to your mimosa configuration file when the module is installed is:
assetCacheBust: hash: 'md5' splitter: '-' files: 
The default configuration has all the configuration parameters that this module has and they are commented.
Bear in mind that by default the
files configuration property is an empty array, so it means that any asset will busted.
- hash: It defines the digest algorithm supported by node crypto API to use to work out a uniquely identifier for each asset regarding its content.
- splitter: The character(s) to use to separate the worked hash digest of the asset from the original name, to be used to rename the asset; if the file has an extension the hash digest will be added between the name and the extension.
- files: A string array of paths with or without a file name pattern to match files in the compilation directory (mimosa
watchsection) which have to be busted. Path are relative to the compilation directory; when all the assets (files) should be busted from a directory, a path with file name pattern must be defined and to allow to this module to distinguish between them, it must end with '/', bearing in mind that only files in that path are matched, so the descendant directories are skipped, it means that the modules doesn't recurse into subdirectories. When only some files or just one should be busted, then a file pattern must be used after the path directory; a file pattern is a string which will be used to create a regular expression (just calling new RegExp constructor), so make sure that when you write them, you scape the regular expression special characters to fit what file names you would like to match.
Here, you can see an example to set up module; the
assetCacheBust: hash: 'sha1' splitter: '=' files: ['script/.*\\.js', 'stylesheets/']
The module renames the matched files appending to the original name (between the name and the extension), separated by the
splitter configuration, a hash digest worked out from the content of the file. The digest algorithm to use is defined by the configuration's
hash property, which must match to a supported hash digest algorithm by node crypto API.
The MIT License
Copyright (c) 2014 Ivan Fraixedes Cugat firstname.lastname@example.org