Typescript nested class

Question

My typescript class - with constructor - looks like

export class Message {

    constructor(
        public id: number = 0,
        public message: string = '',
    public fact: string = ''
    ) {
    }
}

I'm able to create a new model of this class like

  model = new Message(0, '', '');

How would I create a constructor for a new class with a nested inner class such as

export class Inventory {
  inventoryKey: string;
  inventory: {
        createBy: string;
        component: string;
        url: string;
        securityCredentials: string;
        description: string;
        createDt: string;
      }

}

? Not sure what the syntax for the constructor would look like. Thanks for any advice.

basarat · Accepted Answer · 2016-06-21 02:16:25Z

How would I create a constructor for a new class with a nested inner class such as

I do not see any mention of the desired nesting. I suspect you are calling the property inventory a class. Here is one way you can have a constructor for Inventory

export class Inventory {
  inventoryKey: string;
  inventory: {
        createBy: string;
        component: string;
        url: string;
        securityCredentials: string;
        description: string;
        createDt: string;
      }
   constructor() {} // EASY
}

You can easily take the property inventory as a constructor argument :

export class Inventory {
    inventoryKey: string;
    constructor(public inventory: {
        createBy: string;
        component: string;
        url: string;
        securityCredentials: string;
        description: string;
        createDt: string;
    }) {

    } // EASY
}

More

Best learnt by reading the manual ;) https://basarat.gitbooks.io/typescript/content/docs/classes.html

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