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# Building Highlight.js for Gerrit
Highlight JS needs to be built with specific language support. Here are the
steps to build the minified file that appears here.
NOTE: If you are adding support for a language to Highlight.js make sure to add
it to the list of languages in the build command below.
## Prerequisites
You will need:
* nodejs
* closure-compiler
* git
## Steps to Create the Pack File
The packed version of Highlight.js is an un-minified JS file with all of the
languages included. Build it with the following:
$> # start in some temp directory
$> git clone https://github.com/highlightjs/highlight.js
$> cd highlight.js
$> git clone https://github.com/highlightjs/highlightjs-closure-templates
$> ln -s ../../highlightjs-closure-templates/soy.js src/languages/soy.js
$> mkdir test/detect/soy && ln -s ../../../highlightjs-closure-templates/test/detect/soy/default.txt test/detect/soy/default.txt
$> npm install
$> node tools/build.js
The resulting minified JS file will appear in the "build" directory of the Highlight.js
repo under the name "highlight.min.js".
## Finish
Copy the resulting build/highlight.min.js file to lib/highlightjs