Sometimes, we want to read and write a text file in TypeScript.
In this article, we’ll look at how to read and write a text file in TypeScript.
How to read and write a text file in TypeScript?
To read and write a text file in TypeScript, we should install the @types/node package to add the typings for core Node modules.
To install it, we run
npm i @types/node
to add the node.d.ts file into our project which has the typings for the core Node modules.
Then we can us the fs.readFileSync method to read a file by writing
import * as fs from "fs";
const f = fs.readFileSync("foo.txt", "utf8");
to call readFileSync with the path of the file and the encoding of the file to return the file.
Conclusion
To read and write a text file in TypeScript, we should install the @types/node package to add the typings for core Node modules.
