Develop a CLI Calculator using TypeScript and Node.js and Deploy it on NPM

CLI Calculator Steps:

1. Generate tsconfig.json by giving this command:

tsc --init If you want to run TypeScript tsc command in Windows Powershell:

1.  Open Powershell in Adminstrator mode

2. Run command:

    Set-ExecutionPolicy RemoteSigned

Policy updated and now you can run tsc command in powershell.

2. Make it a Node.js project by giving the following command:

   npm init -y

It will creade tsconfig.json and package.json files. Open tsconfig.json file and change "target": "ES2022", "module": "NodeNext" and "moduleResolution": "NodeNext". Now open package.json file and add "type": "module" under the "main": "index.js".

3. Install types for Node.js

   npm i @types/node -D

4. Create a file index.ts

   console.log("Hello World")

5. Transpile index.ts by running:

   tsc

   tsc && node index.ts // for direct execution.

6. It will create index.js file now run it by following command

   node index.js

7. Create .gitignore file in root directory.

   node_modules

8. Instal inquirer, chalk and chalk-animation, their types and node type by following command

   npm i inquirer

   npm i chalk

   npm i @types/node -D

   npm i -D @types/inquirer

   npm i -D @types/chalk

   npm i -D @types/chalk-animation

   npm i chalk-animation

For more information and documentation about inquirer

for more information about @types/inquirer

for more information and documentation about chalk

for about chalk-animation

9. Create new fie calculator.ts and import the required dependicies by following commands

   import inquirer from "inquirer";

   import chalk from "chalk";

   import chalkAnimation from "chalk-animation";

10. Give environment path at the top of calulator.ts file.

    #! /usr/bin/env node

11. Open chalk-animvation cli

12. Copy calculator image and insert it