相关疑难解决方法(0)

尝试使用Browserify在CommonJS模块中实现单例模式.至今:

// foo.js

var instance = null;

var Foo = function(){
    if(instance){
        return instance;
    }
    this.num = 0;
    return instance = new Foo();
}

Foo.prototype.adder = function(){
    this.num++;
};

module.exports = Foo();

// main.js

var foo = require('./foo.js');
console.log(foo.num); // should be 0
foo.adder(); // should be 1
var bar = require('./foo.js');
console.log(bar.num); // like to think it'd be 1, not 0

第一个问题是,maximum call stack exceeded当我在浏览器中加载构建的JS文件时出现错误,但其次,我是否正确地接近了这个？这可能吗？

C:\ dev\OpenCMS\Website\Frontend\Scripts\libs\sinnovations> tsc sinnovations.listv iewbase.ts --module amd C:/dev/OpenCMS/Website/Frontend/Scripts/libs/sinnovations/sinnovations.listviewb ase. ts(11,5):错误TS2025:导出类的公共属性"列"具有或正在使用私有类型"KnockoutObservableArray".

/// <reference path="../../typings/knockout/knockout.d.ts" />
import ko = require('knockout');

interface Column {
    label: string;
}

var _templateBase = '/Frontend/Templates/ListView/';
class ListViewBase<T> {

    columns: KnockoutObservableArray<Column> = ko.observableArray([]);
    rows: KnockoutObservableArray<T> = ko.observableArray([]); 

    constructor(public templateHeaderRow = _templateBase+'DefaultTableHeaderTemplate', public templateBodyRow = _templateBase + 'DefaultTableRowTemplate') {

    }

    addColumn(column: Column) {
        this.columns.push(column);
    }

    addRow(row: T) {
        this.rows.push(row);
    }

    static configure(templateBase) {
        _templateBase = templateBase;   
    }
}

export = ListViewBase;

我理解错误,但不知道如何获得上述效果.任何人都有一个解决方案来导出一个导出为ex​​port = class的类的接口？