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type checking perf test (http://jsbench.github.io/#49664e6bef8a30749f358ae6d43ed57a) #jsbench #jsperf
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>type checking perf test</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script> | |
| <script src="./suite.js"></script> | |
| </head> | |
| <body> | |
| <h1>Open the console to view the results</h1> | |
| <h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2> | |
| </body> | |
| </html> |
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| "use strict"; | |
| (function (factory) { | |
| if (typeof Benchmark !== "undefined") { | |
| factory(Benchmark); | |
| } else { | |
| factory(require("benchmark")); | |
| } | |
| })(function (Benchmark) { | |
| var suite = new Benchmark.Suite; | |
| Benchmark.prototype.setup = function () { | |
| var checkFuncArgs, checkType, foo, gbThrowError; | |
| checkType = function(argPosition, argValue, type, parentName) { | |
| var throwErr; | |
| throwErr = function() { | |
| return gbThrowError("arg #" + argPosition + " sd be '" + type + "'", parentName); | |
| }; | |
| switch (type) { | |
| case 'any': | |
| break; | |
| case 'arr': | |
| if (!Array.isArray(argValue)) { | |
| return throwErr(); | |
| } | |
| break; | |
| case 'fun': | |
| if (typeof argValue !== 'function') { | |
| return throwErr(); | |
| } | |
| break; | |
| case 'num': | |
| if (typeof argValue !== 'number') { | |
| return throwErr(); | |
| } | |
| break; | |
| case 'obj': | |
| if (!(typeof argValue === 'object' && !Array.isArray(argValue))) { | |
| return throwErr(); | |
| } | |
| break; | |
| case 'str': | |
| if (typeof argValue !== 'string') { | |
| return throwErr(); | |
| } | |
| break; | |
| default: | |
| return gbThrowError("H.check.type(): unsupported type: '" + type + "'", parentName); | |
| } | |
| }; | |
| checkFuncArgs = function(fArgs, typeArr, fName) { | |
| var arg, i, j, len, ref, results; | |
| fName = (ref = fArgs.callee.name) != null ? ref : fName; | |
| if (fArgs.length !== typeArr.length) { | |
| gbThrowError(fName + "() supplied " + fArgs.length + " arguments, while " + typeArr.length + " required", 'H.check.funcArgs'); | |
| } | |
| results = []; | |
| for (i = j = 0, len = fArgs.length; j < len; i = ++j) { | |
| arg = fArgs[i]; | |
| results.push(checkType(i + 1, arg, typeArr[i], fName)); | |
| } | |
| return results; | |
| }; | |
| gbThrowError = function(description, funcName) { | |
| if (funcName) { | |
| description = funcName + "(): " + description; | |
| } | |
| if (typeof Meteor !== "undefined" && Meteor !== null) { | |
| if (Meteor.isDev || Meteor.isServer) { | |
| console.trace(); | |
| throw new Meteor.Error(description); | |
| } else { | |
| throw new Meteor.Error("You didn't say the magic word!", "AH! AH! AH!"); | |
| } | |
| } else { | |
| throw Error(description); | |
| } | |
| }; | |
| // foo = function(a, b, c) { | |
| // checkFuncArgs(arguments, ['arr', 'fun', 'obj']); | |
| // return 'ok'; | |
| // }; | |
| }; | |
| suite.add("foo = function(a, b, c) {", function () { | |
| foo = function(a, b, c) { | |
| checkFuncArgs(arguments, ['arr', 'fun', 'obj']); | |
| return 'ok'; | |
| }; | |
| foo([1, 2, 3], (function() { | |
| return 'bar'; | |
| }), { | |
| foo: 'bar' | |
| }); | |
| }); | |
| suite.add("foo = function(a, b, c) {", function () { | |
| foo = function(a, b, c) { | |
| return 'ok'; | |
| }; | |
| foo([1, 2, 3], (function() { | |
| return 'bar'; | |
| }), { | |
| foo: 'bar' | |
| }); | |
| }); | |
| suite.add("foo = function(a, b, c) {", function () { | |
| foo = function(a, b, c) { | |
| checkType(0, arguments[0],'arr', 'parentName') | |
| checkType(1, arguments[1],'fun', 'parentName') | |
| checkType(2, arguments[2],'obj', 'parentName') | |
| return 'ok'; | |
| }; | |
| foo([1, 2, 3], (function() { | |
| return 'bar'; | |
| }), { | |
| foo: 'bar' | |
| }); | |
| }); | |
| suite.on("cycle", function (evt) { | |
| console.log(" - " + evt.target); | |
| }); | |
| suite.on("complete", function (evt) { | |
| console.log(new Array(30).join("-")); | |
| var results = evt.currentTarget.sort(function (a, b) { | |
| return b.hz - a.hz; | |
| }); | |
| results.forEach(function (item) { | |
| console.log((idx + 1) + ". " + item); | |
| }); | |
| }); | |
| console.log("type checking perf test"); | |
| console.log(new Array(30).join("-")); | |
| suite.run(); | |
| }); |
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