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OpenLayers 3 : Beginner's Guide by Erik Hazzard, Paul Spencer, Thomas Gratier

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Appendix B. More details on Closure Tools and Code Optimization Techniques

Closure Tools are a set of utilities used for web development. It is mainly supported by Google, but is open source under the Apache License Version 2.0, a well-established permissive license. The name Closure Tools hides under it a lot of subtools, which will make your life as an apprentice developer easier. It includes a JavaScript optimizer, a JavaScript library, a templating library, a style checker and style fixer, and at last, a stylesheet language. Just to illustrate how powerful this set can be, think that most Google JavaScript applications, such as Gmail or Google Maps, use these components.

Why are we introducing you to these tools?

The OpenLayers 3 library ...

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