NewDash

    Function cond

    • Creates a function that iterates over pairs and invokes the corresponding function of the first predicate to return truthy. The predicate-function pairs are invoked with the this binding and arguments of the created function.

      Type Parameters

      • R = any

      Parameters

      • pairs: [(...args: any[]) => boolean, (...args: any[]) => R][][]

        The predicate-function pairs.

      Returns R

      Returns the new composite function.

      5.12.0

      const func = cond([
      [matches({ 'a': 1 }), () => 'matches A'],
      [conforms({ 'b': isNumber }), () => 'matches B'],
      [() => true, () => 'no match']
      ])

      func({ 'a': 1, 'b': 2 })
      // => 'matches A'

      func({ 'a': 0, 'b': 1 })
      // => 'matches B'

      func({ 'a': '1', 'b': '2' })
      // => 'no match'
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