TypeScript (TS) Intro

TypeScript code in a JavaScript environment to learn the language's features and syntax. Course for C-11.

CLI

• npx tsc
  install Typescript

• tsc -h
  Show all the commands we can use.

• tsc
  Compiles the current project into JavaScript.

• tsc --init
  The -init initialize a TypeScript project. It creates a tsconfig.json file in the current directory, which is a configuration file that tells the TypeScript compiler how to compile your TypeScript code.

tsconfig.json

This is a configuration file for the TypeScript compiler. It specifies the root files and the compiler options required to compile the project. The presence of a tsconfig.json file in a directory indicates that the directory is the root of a TypeScript project.

• "rootDir": "./src"
  Complies src directory

• "outDir": "./build"
  Specify an output folder for all emitted files. */

• type tsc to comlpile, then it'll generate a .js file.

Interface

• Either starts with an I or T