Typescript files not compiled to javascript files in website project in Visual Studio

Question

I opened an Angular 2 website in Visual Studio 2015 update 3 as a website project. I added the "compileOnSave": true to tsconfig.json and restarted VS. I rebuilt the project and ran it however no .js files are being created. I am using Typescript 2.0.3. I see 'BuildOnSave..' messages when I edit a .ts file.

Any ideas why Javascript files are not being created?

Update tsconfig.json:

{
    /*"compileOnSave": true,*/
    "compilerOptions": {
        "target": "es5",
        "module": "system",
        "moduleResolution": "node",
        "sourceMap": true,
        "watch": true,
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "removeComments": false,
        "noImplicitAny": false
    },
    "exclude": [
        "node_modules",
        "typings/main",
        "typings/main.d.ts"
    ]
}

It would help if you'd add your tsconfig.json to the question — Nitzan Tomer
– Nitzan Tomer, Commented Dec 7, 2016 at 9:40
this link may help you...but not sure...danielhindrikes.se/visual-studio/… — Ankush Jain
– Ankush Jain, Commented Dec 7, 2016 at 9:43

Nitzan Tomer · Accepted Answer · 2016-12-08 00:26:45Z

1

Seems like you haven't included any files to compile.
There are different ways of specifying which files the compiler needs to compile, but you haven't used any of those, you only specified what to exclude.

You can use include:

"include": [
    "src/**/*"
]

Or you can use files:

"files": [
    "file1.ts",
    ...
    "fileN.ts"
]

More on those in the tsconfig.json docs page.

You can also use the rootDir or rootDirs compiler options.

answered Dec 8, 2016 at 0:26

Nitzan Tomer

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4 Comments

Tony_Henrich Over a year ago

There are many tsconfig.json files I have seen which don't include any of what you mentioned. Examples: github.com/GoshaFighten/Angular2DX/blob/master/tsconfig.json & github.com/AngularShowcase/angular2-sample-app/blob/master/…

Tony_Henrich Over a year ago

and according to the question's answer, the compiler defaults to including all files in folders and subfolders. stackoverflow.com/questions/34117191/…

Nitzan Tomer Over a year ago

Fair enough. Have you tried compiling it yourself using tsc in the command line?

Tony_Henrich Over a year ago

tsc works but I don't to compile manually. I think I have a solution for this by creating a project from scratch and copying files to it

Sungharsh J · Accepted Answer · 2018-05-28 17:12:11Z

1

Visual Studio Code includes TypeScript language support but does not include the TypeScript compiler, tsc. You will need to install the TypeScript compiler either globally or in your workspace to transpile TypeScript source code to JavaScript

The easiest way to install TypeScript is through npm, the Node.js Package Manager. If you have npm installed, you can install TypeScript globally (-g) on your computer by:
npm install -g typescript

You can test your install by checking the version or help. tsc --version tsc --help

Finally make sure to click on "Show all Files" in solution explorer menu bar to see compiled JavaScript files

answered May 28, 2018 at 17:12

Sungharsh J

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2 Comments

Tony_Henrich Over a year ago

My post and the tag explicitly mention that I am using Visual Studio 2015. I am not using Visual Studio Code.

Sungharsh J Over a year ago

Hi Tony_Henrich, sorry for the confusion, Anyways In Visual Studio 2015, in Solution Explorer, in the menu bar we have an icon called 'Show All Files' if this button is not selected VS wont show the .ts to .js compiled files, perhaps this may help.

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