Function isEqualWith

  • isEqualWith<V1, V2>(value, other, customizer?): boolean

  • This method is like isEqual except that it accepts customizer which is invoked to compare values. If customizer returns undefined, comparisons are handled by the method instead. The customizer is invoked with up to six arguments: (objValue, othValue [, index|key, object, other, stack]).

    Type Parameters

    • V1
    • V2

    Parameters

    • value: V1

      The value to compare.

    • other: V2

      The other value to compare.

    • Optionalcustomizer: ((v1?: V1, v2?: V2) => boolean)

      The function to customize comparisons.

        • (v1?, v2?): boolean

        • Parameters

          • Optionalv1: V1
          • Optionalv2: V2

          Returns boolean

    Returns boolean

    Returns true if the values are equivalent, else false.

    Since

    5.10.1

    Example

    function isGreeting(value) {
      return /^h(?:i|ello)$/.test(value)
    }

    function customizer(objValue, othValue) {
      if (isGreeting(objValue) && isGreeting(othValue)) {
        return true
      }
    }

    const array = ['hello', 'goodbye']
    const other = ['hi', 'goodbye']

    isEqualWith(array, other, customizer)
    // => true

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