install typescript
npm install -g typescriptinstall typescript
npm install -g typescriptnpm typescript
npm install -g typescriptinstall typescript
Don't forget to use the dev flag!!!
Yarn:
yarn global add --dev typescript
NPM:
npm install -g --save-dev typescriptcreate typescript project
npx tsc index.tsnpm typescript package
{
"compilerOptions": {
"target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
"module": "commonjs",
"allowJs": true, /* Allow javascript files to be compiled. */
"strict": true, /* Enable all strict type-checking options. */
"outDir": "./lib", /* Redirect output structure to the directory. */
"esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
},
"include": ["src"],
"exclude": ["node_modules"]
}npm typescript package
const demoMethod = () => {
return “I’m Duffer”;
}
module.exports = demoMethod;Copyright © 2021 Codeinu
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