- Install node.js
- Install node.js modules: typescript and tslint globally:
npm install -g typescript tslint
- Install Visual Studio Code extensions: "TSLint" and "Debugger for Chrome"
- Start Visual Studio Code
- CMD+SHIFT+P (CTRL+SHIFT+P) then type: Extensions, select "Extensions: Install Extensions"
- Search and install "Debugger for Chrome" and "TSLint" extensions
- Initialize project/workspace directory:
mkdir HelloWorld cd HelloWorld tsc --init
It will create tsconfig.json file in the project/workspace directory. - open HelloWorld folder in Visual Studio Code, and edit tsconfig.json file:
{ "compilerOptions": { "target": "es5", "module": "commonjs", "lib": [ "es2015.promise", /* Promise */ "dom" ], "sourceMap": true, "outDir": "./", } }
- Create index.html file:
<!DOCTYPE html> <html> <head> <title>Hello Typescript</title> </head> <body> <h1>Fun with TypeScript</h1> <p id="index">Let's rock</p> <script src="main.js"> </script> </body> </html>
- Create main.ts file:
function hello() { console.log('Hello'); alert('hello'); } hello();
- Configure Default Build Task
- Open the command palette using CMD+SHIFT+P (CTRL+SHIFT+P) and type "Tasks", then select "Configure Default Build Task...", then select "tsc:watch".
- It will create .vscode/tasks.json file.
- tsc:watch runs automatically when you change a TypeScript file.)
- Run Build Task
- CMD+SHIFT+B (CTRL+SHIFT+B) to build.
- It generates main.js and main.js.map files.
- Debugging setup
- CMD+SHIFT+P (CTRL+SHIFT+P) and select "Debuging: Start Debugging", then select "Chrome"
- It should create .vscode/launch.json, edit the file:
{ "version": "0.2.0", "configurations": [ { "type": "chrome", "request": "launch", "name": "Launch Chrome against localhost", "url": "http://localhost:8086/HelloWorld/index.html", "webRoot": "${workspaceFolder}", "userDataDir": "/tmp/chrome-debug", } ] }
- Set some breakpoint in the main.ts, then CMD+SHIFT+P and "Debuging: Restart Debugging", see if it stops at the breakpoint.
- Directory structure:
HelloWorld/ HelloWorld/.vscode/ HelloWorld/.vscode/launch.json HelloWorld/.vscode/settings.json HelloWorld/.vscode/tasks.json HelloWorld/index.html HelloWorld/main.ts HelloWorld/main.js HelloWorld/main.ts.map HelloWorld/tsconfig.json
Project/Workspace settings are saved in .vscode/settings.json
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Typescript development setup with Visual Studio Code
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