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    Simple Undo/Redo with Immutable.js Data Structures

    immutableImmutable.js
    7.0.0

    Implementing Undo/Redo can be tricky business. Consider two strategies to simplify implenting undo/redo: 1) use immutable data 2) react to that data with a top-down approach. Let's build a simple drawing app that will draw circles on a canvas and allow us to undo/redo our drawing.