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TypeScript / Node.js - install Node types (type declarations)
6 points
In this article, we would like to show you how to install and use Node types in TypeScript under Node.js.
Simple steps:
1. install TypeScript Node.js types, using:
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npm install --save-dev @types/node2. add packages using import keyword, e.g.:
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import * as path from 'path';2
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path
In this example, after installing Node types with the above command, we import and use the path module using the import keyword.
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import * as path from 'path';2
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// example paths4
const absolutePath: string = 'C:/projects/app/index.js';5
const relativePath: string = './index.js';6
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// check if path is absolute8
const result1: boolean = path.isAbsolute(absolutePath);9
const result2: boolean = path.isAbsolute(relativePath);10
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console.log(result1); // true12
console.log(result2); // falseOutput:
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true2
false