我试图在typescript生成的类上使用闭包编译器高级模式,但没有成功.有谁做过这样的事情.
打字稿类
class TestData {
BlogName: string;
CacheTimeOut: number;
CopyrightHolder: string;
constructor(blogName: string, cacheTimeOut: number, copyrightHolder: string) {
this.BlogName = blogName;
this.CacheTimeOut = cacheTimeOut;
this.CopyrightHolder = copyrightHolder;
}
addBlog(value: string): boolean {
console.log('add blog');
return true;
}
validate(): boolean {
console.log('all valid');
return true
}
}
var myTestData = new TestData("name",22,"cpyright");
生成的代码
var TestData = (function () {
function TestData(blogName, cacheTimeOut, copyrightHolder) {
this.BlogName = blogName;
this.CacheTimeOut = cacheTimeOut;
this.CopyrightHolder = copyrightHolder;
}
TestData.prototype.addBlog = function (value) {
console.log('add blog');
return true;
};
TestData.prototype.validate = function () {
console.log('all valid');
return true;
};
return TestData;
})();var myTestData = new TestData();
这编译成
new function() {};
我知道我应该提供出口,所以我补充道
window['TestData'] = TestData;
window['TestData'].prototype['addBlog'] = TestData.prototype.addBlog
window['TestData'].prototype['validate'] = TestData.prototype.validate
我从闭包编译器高级编译的输出是
var a = function() {
function b() {
}
b.prototype.a = function() {
console.log("add blog");
return !0;
};
b.prototype.b = function() {
console.log("all valid");
return !0;
};
return b;
}();
window.TestData = a;
window.TestData.prototype.addBlog = a.prototype.a;
window.TestData.prototype.validate = a.prototype.b;
new a;
如果你看到仍然没有剩下的构造函数代码.当我们在模块中添加它时,这会变得更糟.
我也尝试使用谷歌关闭的@export没有成功
我看到几个插件可以根据typescript生成闭包编译器注释,但那些也没有生成正确的代码.
Thirdparty closure annotations generator
最佳答案 我对此进行了非常基本的测试.也许您更改了代码并且没有重新尝试过.
如果您在问题中编译TypeScript,则应该生成以下JavaScript:
var TestData = (function () {
function TestData(blogName, cacheTimeOut, copyrightHolder) {
this.BlogName = blogName;
this.CacheTimeOut = cacheTimeOut;
this.CopyrightHolder = copyrightHolder;
}
TestData.prototype.addBlog = function (value) {
console.log('add blog');
return true;
};
TestData.prototype.validate = function () {
console.log('all valid');
return true;
};
return TestData;
})();
var myTestData = new TestData("name", 22, "cpyright");
特别是,最后一行将参数传递给TestData构造函数.
使用@compilation_level SIMPLE_OPTIMIZATIONS快速运行(白色空间是我的):
var TestData=function(){
function a(a,b,c){
this.BlogName=a;this.CacheTimeOut=b;this.CopyrightHolder=c
}
a.prototype.addBlog=function(a){console.log("add blog");return!0};
a.prototype.validate=function(){
console.log("all valid");return!0
};
return a
}(),myTestData=new TestData("name",22,"cpyright");
如果对部分代码使用高级优化,则会过于激进.您需要为Closure编译器提供所有代码,以了解实际未使用的内容.
如果您的示例代表您的所有代码,您会注意到构造函数以及所有三个属性(BlogName,CacheTimeOut和CopyrightHolder)确实从未使用过,因此可以在不影响程序行为的情况下将其删除.