/**
 * Take a function and the first(s) parameter(s) to inject.
 * Return a function that don't need those parameters.
 *
 * Example:
 * ```
 * function myFunc(a, b, c) {
 *   // ...
 * }
 *
 * const injected = inject(myFunc, "A", "B");
 * injected("C"); // same result as myFunc("A", "B", "C")
 * ```
 */
export function inject<P1, OtherParams extends any[], Result>(
  subject: (p1: P1, ...params: OtherParams) => Result,
  p1: P1,
): (...params: OtherParams) => Result;
export function inject<P1, P2, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, P5, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, p5: P5, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
  p5: P5,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, P5, P6, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, p5: P5, p6: P6, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
  p5: P5,
  p6: P6,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, P5, P6, P7, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, p5: P5, p6: P6, p7: P7, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
  p5: P5,
  p6: P6,
  p7: P7,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, P5, P6, P7, P8, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, p5: P5, p6: P6, p7: P7, p8: P8, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
  p5: P5,
  p6: P6,
  p7: P7,
  p8: P8,
): (...params: OtherParams) => Result;
export function inject<P1, P2, P3, P4, P5, P6, P7, P8, P9, OtherParams extends any[], Result>(
  subject: (p1: P1, p2: P2, p3: P3, p4: P4, p5: P5, p6: P6, p7: P7, p8: P8, p9: P9, ...params: OtherParams) => Result,
  p1: P1,
  p2: P2,
  p3: P3,
  p4: P4,
  p5: P5,
  p6: P6,
  p7: P7,
  p8: P8,
  p9: P9,
): (...params: OtherParams) => Result;
export function inject<FirstParam, OtherParams extends any[], Result>(
  subject: (first: FirstParam, ...params: OtherParams) => Result,
  ...paramsToInject: any[]
) {
  return paramsToInject.reduce((functionToInjext, paramToInject) => {
    return (...params: OtherParams) =>
      functionToInjext(paramToInject, ...params);
  }, subject) as (...param: OtherParams) => Result;
}