Function createMapping

Parameters

• getSourceKey: ((source: Source) => string | number)

  function(source) that must return a key to identify each source object. The result must either be a string or a number.

  • • (source: Source): string | number

    • Parameters

      • source: Source

      Returns string | number

• createResult: ((source: Source, index: number) => Target)

  function(source, index) that must create a new result object from a given source. This function is identical to the callback argument in Array.map(callback).

  • • (source: Source, index: number): Target

    • Parameters

      • source: Source

      • index: number

      Returns Target

• updateResult: ((source: Source, target: Target, index: number) => void)

  function(source, target, index) that updates a result to an updated source.

  • • (source: Source, target: Target, index: number): void

    • Parameters

      • source: Source

      • target: Target

      • index: number

      Returns void