es5-ext - npm Package Compare versions

Comparing version 0.8.0 to 0.8.1

lib/Function/prototype/memoize.js

@@ -39,6 +39,6 @@ 'use strict';
 module.exports = function (length, resolvers) {
-	var fn, cache, resolver, find, aset, rset, index, found, mfn;
+	var fn, mfn, resolver, cache, find, save, clear
+	  , value;
+
 	fn = callable(this);
-
-	cache = [];
 	if (isArray(length)) {
@@ -52,3 +52,2 @@ resolvers = length;
 	}
-
 	if (resolvers != null) {
@@ -62,55 +61,111 @@ resolvers = toArray(resolvers);
 
-	find =  function (args) {
-		var limit, i, arg;
+	cache = [];
 
-		i = 0;
-		aset = found = false;
-		index = limit = (length === false) ? args.length : length;
-		rset = cache;
+	find =  function (length, args) {
+		var index = 0, rset = cache, i;
 
-		if (limit === 0) {
-			found = rset.hasOwnProperty(0);
+		if (length === 0) {
+			value = rset[length];
+			return rset.hasOwnProperty(length);
+		} else if ((rset = rset[length])) {
+			while (index < (length - 1)) {
+				i = indexOf.call(rset[0], args[index]);
+				if (i === -1) {
+					return false;
+				}
+				rset = rset[1][i];
+				++index;
+			}
+			i = indexOf.call(rset[0], args[index]);
+			if (i === -1) {
+				return false;
+			}
+			value = rset[1][i];
+			return true;
+		}
+		return false;
+	};
+
+	save = function (length, args, value) {
+		var index = 0, rset = cache, i;
+
+		if (length === 0) {
+			rset[length] = value;
 		} else {
-			while (i !== limit) {
-				if (!rset[index]) {
-					rset = (rset[index] = [[args[i]], []]);
-					index = 0;
-				} else if ((index =
-						indexOf.call((rset = rset[index])[0], args[i])) === -1) {
-					index = rset[0].push(args[i]) - 1;
-					found = false;
-				} else {
-					found = rset[1].hasOwnProperty(index);
+			if (!rset[length]) {
+				rset[length] = [[], []];
+			}
+			rset = rset[length];
+			while (index < (length - 1)) {
+				i = indexOf.call(rset[0], args[index]);
+				if (i === -1) {
+					i = rset[0].push(args[index]) - 1;
+					rset[1].push([[], []]);
 				}
-				aset = rset[0];
-				rset = rset[1];
-				++i;
+				rset = rset[1][i];
+				++index;
 			}
+			i = indexOf.call(rset[0], args[index]);
+			if (i === -1) {
+				i = rset[0].push(args[index]) - 1;
+			}
+			rset[1][i] = value;
 		}
 	};
 
+	clear = function (length, args) {
+		var index = 0, rset = cache, i, path = [];
+
+		if (length === 0) {
+			delete rset[length];
+		} else if ((rset = rset[length])) {
+			while (index < (length - 1)) {
+				i = indexOf.call(rset[0], args[index]);
+				if (i === -1) {
+					return;
+				}
+				path.push(rset, i);
+				rset = rset[1][i];
+				++index;
+			}
+			i = indexOf.call(rset[0], args[index]);
+			if (i === -1) {
+				return;
+			}
+			rset[0].splice(i, 1);
+			rset[1].splice(i, 1);
+			while (!rset[0].length && path.length) {
+				i = path.pop();
+				rset = path.pop();
+				rset[0].splice(i, 1);
+				rset[1].splice(i, 1);
+			}
+		}
+	};
+
 	mfn = function () {
-		var args, result;
+		var args, alength;
 		args = resolver ? resolver(arguments) : arguments;
-		find(args);
-		if (found) {
-			result = rset[index];
+		alength = (length === false) ? args.length : length;
+
+		if (find(alength, args)) {
+			return value;
 		} else {
 			mfn.args = arguments;
-			result = (rset[index] = apply.call(fn, this, args));
+			mfn.preventCache = false;
+			value = apply.call(fn, this, args);
+			if (!mfn.preventCache) {
+				save(alength, args, value);
+			}
 			delete mfn.args;
+			return value;
 		}
-		return result
 	};
 
 	mfn.clearCache = function () {
-		find(resolver ? resolver(arguments) : arguments);
-		if (found) {
-			if (aset) {
-				aset.splice(index, 1);
-				rset.splice(index, 1);
-			} else {
-				delete rset[index];
-			}
-		}
+		var args, alength;
+		args = resolver ? resolver(arguments) : arguments;
+		alength = (length === false) ? args.length : length;
+
+		clear(alength, args);
 	};
@@ -117,0 +172,0 @@

package.json

 {
   "name": "es5-ext",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "ECMAScript5 extensions",
@@ -5,0 +5,0 @@ "keywords": [

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Major refactor

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Improved metrics

Total package byte prevSize

132384

increased by1.05%

Lines of code

3346

increased by1.52%

Number of medium supply chain risk alerts

0

decreased by-100%

No dependency changes