What is the most effective way to properly define class attributes?

Question

What is the most effective way to properly define class attributes?

Recently, I came across some code that I inherited and I'm currently working on getting it transpiled and up and running. So, as I was inspecting the components/TableAsset.tsx file, I stumbled upon these lines of code:

import { Table } from "antd";
const { Column, ColumnGroup } = Table;
class MyTable extends Table<Interfaces.ViewEntry> { }

Despite my best efforts, I encountered numerous typescript errors which I am struggling to comprehend. However, what do you think was the original intention behind this snippet of code? And how would you go about writing it in today's Typescript 3.x version?

javascript typescript

Answer 1

Answer №1

What was the original purpose of this code snippet?

The following code accomplishes the following:

1. It imports a specific export named Table from the module "antd":

import { Table } from "antd";

2. Utilizes destructuring to assign Table.Column and Table.ColumnGroup to variables named Column and ColumnGroup, respectively:

const { Column, ColumnGroup } = Table;

3. Establishes a new class that extends Table, specifying Interfaces.ViewEntry as the generic parameter for Table (more information on generics):

class MyTable extends Table<Interfaces.ViewEntry> { }

If you were to write this in TypeScript 3.x today, how would it look?

This code is perfectly suitable for TypeScript 3.x.

Answer 2

What was the original purpose of this code snippet?

The following code accomplishes the following:

1. It imports a specific export named Table from the module "antd":

import { Table } from "antd";

2. Utilizes destructuring to assign Table.Column and Table.ColumnGroup to variables named Column and ColumnGroup, respectively:

const { Column, ColumnGroup } = Table;

3. Establishes a new class that extends Table, specifying Interfaces.ViewEntry as the generic parameter for Table (more information on generics):

class MyTable extends Table<Interfaces.ViewEntry> { }

If you were to write this in TypeScript 3.x today, how would it look?

This code is perfectly suitable for TypeScript 3.x.

What is the most effective way to properly define class attributes?

Answer №1

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