ts install code example

Example 1: install typescript

npm install -g typescript

Example 2: install typescript

Don't forget to use the dev flag!!!
Yarn:
yarn global add --dev typescript
NPM:
npm install -g --save-dev typescript

Example 3: typescript

interface LabelledValue {
  label: string;
}

function printLabel(labelledObj: LabelledValue) {
  console.log(labelledObj.label);
}

let myObj = {size: 10, label: "Size 10 Object"};
printLabel(myObj);