Function pickFacet

When making a multi-facet kind, it's common to pick one facet to expose. E.g.,

const makeFoo = (a, b, c, d) => makeFooBase(a, b, c, d).self;

This helper reduces the duplication:

const makeFoo = pickFacet(makeFooBase, 'self');
  • pickFacet<M, F>(maker, facetName): ((...args: Parameters<M>) => ReturnType<M>[F])

  • When making a multi-facet kind, it's common to pick one facet to expose. E.g.,

    const makeFoo = (a, b, c, d) => makeFooBase(a, b, c, d).self;

    This helper reduces the duplication:

    const makeFoo = pickFacet(makeFooBase, 'self');

    Type Parameters

    • M extends ((...args: any[]) => any)
    • F extends string | number | symbol

    Parameters

    • maker: M
    • facetName: F

    Returns ((...args: Parameters<M>) => ReturnType<M>[F])

      • (...args): ReturnType<M>[F]

      • Parameters

        • Rest...args: Parameters<M>

        Returns ReturnType<M>[F]

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