partial

Creates a function that invokes fn with partials prepended to the arguments it receives.

Use the spread operator (...) to prepend partials to the list of arguments of fn.

typescript

const partial =
  (fn: Function, ...partials: any[]) =>
  (...args: any[]) =>
    fn(...partials, ...args);

typescript

const greet = (greeting, name) => greeting + " " + name + "!";
const greetHello = partial(greet, "Hello");
greetHello("John"); // 'Hello John!'