Mutation

Allows for declarative mutation of JavaScript objects. Is extremely useful for mutating things like default values and configuration objects. Works by recursing over a target object and applying any mutation directives it finds in the source object.

Website

Visit the website for usage, examples and annotated source code.

Development

Tests and Coverage

To generate a test and coverage report for mutation.js:

grunt

To test lodash.mutation.js

grunt lodash

Documentation

To generate documentation from source code.

grunt docs

To create a gh-pages branch from generated docs

grunt publishDocs

Contribution

This is very much a work in progress. There is a lot of scope for performance improvements and additional operators if need be. Please feel free to contribute. Happy to see PRs!