Apache Rules for JS/CSS versioning using mod_rewrite

Question

I've been trying this for the last 2h.

how can I use mod rewrite to do this:

/assets/app.min.4364736473.js -> /assets/app.min.js
/assets/app.min.4364736473.css -> /assets/app.min.css

Perhaps you could choose an answer to accept? It would be good to mark the question completed. Thanks. — user2493235
– user2493235, Commented Feb 16, 2017 at 5:07

score 5 · Accepted Answer · 2017-01-07 23:03:37Z

5

Not that there's anything wrong with nikoshr's answer, but perhaps this is more versatile, working anywhere in the site that the format is used, since it's not likely to be used for any usual extension. In case it is, it checks that the file with the number doesn't exist before executing. The .min is optional, it works with or without it:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.+)\.\d+(\.(?:js|css))$ $1$2

Finally, not using the [L] flag since other rules might need to be applied on the rewritten URL and no need to stop that happening.

It will only work properly in a .htaccess or <Directory> context. Otherwise (in a root config or <VirtualHost> context) it will need modifying for the file test to work or existing files won't be noticed and it will execute anyway.

edited Jan 7, 2017 at 23:03

answered Jan 7, 2017 at 22:54

user2493235

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2 Comments

nikoshr Over a year ago

I try to stick to the simplest rules that can do the job but yours can be useful

delato468 Over a year ago

Awesome ! Works perfect.

nikoshr · Accepted Answer · 2017-01-07 18:10:30Z

2

It could be

RewriteEngine on
RewriteRule /assets/app\.min\.\d+\.js$ /assets/app.min.js [L]
RewriteRule /assets/app\.min\.\d+\.css$ /assets/app.min.css [L]

answered Jan 7, 2017 at 18:10

nikoshr

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2 Comments

ConfusedAmish Over a year ago

ty..nope can't get it to work. I had something similar to begin with RewriteRule /assets/app\.min\.\d+\.(js|css)$ $1.$3 [L]

ConfusedAmish Over a year ago

got it :) there was uppercase letter i in the name so \d+ wasn't working...

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