diff options
Diffstat (limited to 'node_modules/es5-ext/function/#/compose.js')
-rw-r--r-- | node_modules/es5-ext/function/#/compose.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/node_modules/es5-ext/function/#/compose.js b/node_modules/es5-ext/function/#/compose.js new file mode 100644 index 000000000..089751783 --- /dev/null +++ b/node_modules/es5-ext/function/#/compose.js @@ -0,0 +1,22 @@ +"use strict"; + +var callable = require("../../object/valid-callable") + , aFrom = require("../../array/from") + , apply = Function.prototype.apply + , call = Function.prototype.call + , callFn = function (arg, fn) { + return call.call(fn, this, arg); +}; + +module.exports = function (fn /*, …fnn*/) { + var fns, first; + if (!fn) callable(fn); + fns = [this].concat(aFrom(arguments)); + fns.forEach(callable); + fns = fns.reverse(); + first = fns[0]; + fns = fns.slice(1); + return function (argIgnored) { + return fns.reduce(callFn, apply.call(first, this, arguments)); + }; +}; |