Typescript does not process and compile files located within a specified directory

Recently, I embarked on a small TypeScript project and took the time to create the tsconfig.json configuration file.

{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "sourceMap": true
  },
  "files": [
    "./typings/index.d.ts"
  ]
}

In my project directory, there are two essential files: app.ts and hero.ts which both contain TypeScript code snippets.

To my surprise, when running tsc -p ., there seems to be no compilation being triggered, unlike when using tsc hero.ts app.ts.

I find it puzzling why tsc -p . fails to work as expected.

Context

Upon setting up TypeScript with npm, here is where tsc is located:

% which tsc ...path_to_project/node_modules/.bin/tsc

The curated dependencies within my package.json file include:

  "dependencies": {
    "backbone": "^1.3.3",
    "backbone.localstorage": "^2.0.0",
    "jquery": "^3.2.1",
    "typescript": "^2.3.4"
  },

Answer №1

It seems that your files are not getting compiled because of the configuration in your .tsconfig file, specifically the files property being set as:

 "files": [
    "./typings/index.d.ts"
  ] 

By using the files property, you are instructing the compiler to only compile those specified files. To resolve this issue, either remove the files property entirely or include your app.ts and hero.ts files.

If the files property is omitted, the compiler will automatically include all TypeScript files by default.

Additionally:

When input files are provided via command line, the tsconfig.json settings are disregarded.

Thus, when you run tsc hero.ts app.ts, your files are successfully compiled.

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