compose-function - npm Package Compare versions

Comparing version 1.4.1 to 1.5.0

index.js

@@ -1,10 +0,38 @@
-var arityN = require('arity-n');
-var slice = Array.prototype.slice;
+"use strict";
 
-module.exports = function() {
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
 
-  var functions = slice.call(arguments);
+module.exports = compose;
+var arityN = _interopRequire(require("arity-n"));
+
+
+
+
+var compose2 = function (f, g) {
+  return function () {
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return f(g.apply(null, args));
+  };
+};
+
+function compose() {
+  for (var _len = arguments.length, functions = Array(_len), _key = 0; _key < _len; _key++) {
+    functions[_key] = arguments[_key];
+  }
+
+  functions = functions.filter(function (fn) {
+    return typeof fn === "function";
+  });
+
   var lastIdx = functions.length - 1;
   var arity = 0;
 
+  if (functions.length <= 0) {
+    throw new Error("No functions passed");
+  }
+
+
   if (lastIdx >= 0 && functions[lastIdx]) {
@@ -14,19 +42,3 @@ arity = functions[lastIdx].length;
 
-  return arityN(function() {
-
-    var args = slice.call(arguments),
-        func;
-    
-    for(var i = functions.length - 1; i >= 0; i--) {
-      func = functions[i];
-
-      if (typeof func !== 'function') {
-        throw new Error('Not a function', func);
-      }
-
-      args = [func.apply(null, args)];
-    }
-
-    return args[0];
-  }, arity);
-};
+  return arityN(functions.reduce(compose2), arity);
+}

package.json

 {
   "name": "compose-function",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "description": "Compose new functions f(g(x))",
   "main": "index.js",
   "scripts": {
-    "test": "sjs -m ./macro test.sjs -o test.js; _mocha --reporter nyan; rm test.js"
+    "test": "sjs -m ./macro test.sjs -o test.js; gulp test; rm test.js"
   },
@@ -27,2 +27,9 @@ "repository": {
     "expect.js": "^0.3.1",
+    "gulp": "^3.8.11",
+    "gulp-6to5": "^3.0.0",
+    "gulp-mocha": "^2.0.0",
+    "gulp-rename": "^1.2.0",
+    "gulp-run": "^1.6.6",
+    "gulp-sourcemaps": "^1.3.0",
+    "gulp-watch": "^4.1.1",
     "mocha": "^2.1.0",
@@ -29,0 +36,0 @@ "sweet.js": "^0.7.3"

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Improved metrics

Total package byte prevSize

16093

increased by10.59%

Number of package files

13

increased by18.18%

Lines of code

55

increased by150%

Worsened metrics

Dev dependency count

11

increased by175%

No dependency changes