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frpbacon.js

A property that depends on other properties

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I often find myself writing the code like following:

// A, B - are properties defined elsewhere.
let C = Bacon.update(
    null,

    [
        A,
        B,
        Bacon.mergeAll(A.changes(), B.changes())
    ],
    (_, a, b) => getC(a, b)

);

To me it looks like a sort of DRY violation and poor readability. How could the code above be improved?

Solution

  • Why not

    let C = Bacon.combineWith(A, B, getC)

    Or

    let C = A.combine(B, getC)

    ... which is equivalent.