@atlaskit/editor-common/dist/es2019/utils/compose.js

A package that contains common classes and components for editor and renderer

/** Helper type for single arg function */

/**
 * Compose 1 to n functions.
 * @param func first function
 * @param funcs additional functions
 */
export function compose(func, ...funcs) {
  const allFuncs = [func, ...funcs];
  return function composed(raw) {
    return allFuncs.reduceRight((memo, func) => func(memo), raw);
  };
}