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Object-Oriented Modular JavaScript Library

Solv is a collection of AMD JavaScript modules built for object-oriented application development. Solv is very API focused. Solv reduces boilerplate code by handling lots of the plumbing involved in building class APIs (methods, events and properties). Solv is for the browser and for Node.js. It contains tools for:

  • Creating class hierarchies
  • Class mixins
  • Method overloading
  • Declaring default arguments and properties
  • Type checking arguments and return values
  • Custom events
  • and more...


The two easiest ways to install solv are npm and bower. Solv can also be installed by downloading or cloning from github. Solv is a modular library and doesn't offer a concatenated file for distribution. Once Solv is installed each of it's modules can be pulled in when and where needed.

  • To install into a node project - run npm install solv
  • To install into a browser project - run bower install solv
  • To get a copy of the source - run git clone

Supported Browsers

The browsers and platforms represented below are those that are tested as part of Solv's build.

Selenium Test Status

Design Goals

Solv strives to be as simple and robust in its implementation as possible. Code quality is important. Clean, obvious code is valued over clever, obfuscated code accompanied by verbose comments. Comments are only present in Solv when all attempts to refactor for clarity have failed. Developer productivity is valued over premature optimization. Solv's API is designed to be easy and fun to use.


Solv augments native prototypes to provide the best possible API. There are risks when altering native prototypes. Native prototypes are global and collision with other code or future native APIs is possible. On the other hand, member functions enhance the clarity of many operations. This makes augmenting native prototypes very attractive.


Solv has a fairly extensive test suite that is continuing to grow. To run tests Node.js and npm must be installed and a couple sets of commands need to be run.

Test from Command Line

  1. Run npm install -g grunt-cli to install grunt command line interface
  2. Run npm install to install test dependencies
  3. Run grunt test to execute test

See Gruntfile for more test and analysis options.

Test in Browser

  1. Run npm install -g bower to install bower
  2. Run bower install to install test dependencies
  3. Open tests/index.html in the browser of your choice


Solv is being developed in conjunction with meta-json and api-meta, projects advocating the use of meta data declared as JSON. This meta data can then drive runtime behavior and be parsed statically for documentation generation. Solv includes a meta runtime implementation that is meta-json compliant and many of the methods contained in Solv accept options objects comforming to api-meta. Building application with Solv and declaring options with meta means documenations is tied directly to implementation. meta-json and api-meta are still works in progress as is Solv. Stay tuned...

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