After you clone, move the folder to ~/Library/Application\ Support/Espresso/TEA/
The result should be similar to this:
~/Library/Application\ Support/Espresso/TEA/UserActions.xml
~/Library/Application\ Support/Espresso/TEA/UserCategories.xml
Alternatively you can run these commands:
cd ~/Library/Application\ Support/Espresso
git clone git://github.com/rdougan/tea-for-espresso_javascript-extjs-jsdoc.git "TEA"
- ExtJS and JSDoc snippets taken from the ExtJS.tmbundle by edspencer and rdougan.
- JavaScript snippets based off the default TextMate snippets by MacroMates.