Skip to main content
Module

x/rambda/curryN.js

Faster and smaller alternative to Ramda
Go to Latest
File
function _curryN( n, cache, fn){ return function (){ let ci = 0 let ai = 0 const cl = cache.length const al = arguments.length const args = new Array(cl + al) while (ci < cl){ args[ ci ] = cache[ ci ] ci++ } while (ai < al){ args[ cl + ai ] = arguments[ ai ] ai++ } const remaining = n - args.length
return args.length >= n ? fn.apply(this, args) : _arity(remaining, _curryN( n, args, fn )) }}
function _arity(n, fn){ switch (n){ case 0: return function (){ return fn.apply(this, arguments) } case 1: return function (_1){ return fn.apply(this, arguments) } case 2: return function (_1, _2){ return fn.apply(this, arguments) } case 3: return function ( _1, _2, _3 ){ return fn.apply(this, arguments) } case 4: return function ( _1, _2, _3, _4 ){ return fn.apply(this, arguments) } case 5: return function ( _1, _2, _3, _4, _5 ){ return fn.apply(this, arguments) } case 6: return function ( _1, _2, _3, _4, _5, _6 ){ return fn.apply(this, arguments) } case 7: return function ( _1, _2, _3, _4, _5, _6, _7 ){ return fn.apply(this, arguments) } case 8: return function ( _1, _2, _3, _4, _5, _6, _7, _8 ){ return fn.apply(this, arguments) } case 9: return function ( _1, _2, _3, _4, _5, _6, _7, _8, _9 ){ return fn.apply(this, arguments) } default: return function ( _1, _2, _3, _4, _5, _6, _7, _8, _9, _10 ){ return fn.apply(this, arguments) } }}
export function curryN(n, fn){ if (arguments.length === 1) return _fn => curryN(n, _fn)
if (n > 10){ throw new Error('First argument to _arity must be a non-negative integer no greater than ten') }
return _arity(n, _curryN( n, [], fn ))}