overscroll/src/utils/compose.js

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export default function compose( ...funcs ) {
  if ( funcs.length === 0 ) {
    return arg => arg;
  }

  if ( funcs.length === 1 ) {
    return funcs[0];
  }

  const last = funcs[funcs.length - 1];
  const rest = funcs.slice( 0, -1 );
  return ( ...args ) => rest.reduceRight(( composed, f ) => f( composed ), last( ...args ));
}