Installation

$ npm install --save interpolate-all

Import

import interpolate from "interpolate-all"

Syntax

interpolate(
  a: number | number[] | object,
  b: number | number[] | object,
  alpha: number,
  type: string = "linear"
): number | number[] | object

Examples

//Number and Number
interpolate(0, 10, 0.6) // 6

//Array and Number
interpolate([0, 10], 100, 0.5) // [50, 55]

//Array and Array
interpolate([0, 10], [10, -2], 0.5) // [5, 4]

//Object and Number
interpolate({foo: 0, bar: 200}, 100, 0.5) // {foo: 50, bar: 150}

//Object and Object
interpolate({foo: 0, baz: 33, bar: 200}, {foo: 100, bar: 300}, 0.5) // {foo: 50, baz: 33, bar: 250}
interpolate({foo: 0, bar: 200}, {foo: 100, baz: 33, bar: 300}, 0.5) // {foo: 50, bar: 250}

Custom types

interpolate(0,10,0.7,"easeInOutExpo") // 9.6875