Develop a TypeScript class for managing files

Is there a way to ensure that a function in TypeScript only accepts JS File objects?

I need help on how I can define this type specifically.

Update: Here's a peek at my tsconfig.json file:

{
"compilerOptions": {
    "outDir": "./ts-dist/",
    "sourceMap": true,
    "noImplicitAny": true,
    "module": "commonjs",
    "target": "es6",
    "jsx": "react",
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "lib": [
        "dom",
        "es2017"
    ]
},
"include": [
    "./src/**/*", "./test/**/*"
],
"exclude": [
    "node_modules", "dist"
]
}

Answer №1

TypeScript provides a clear interface for the `File` object in JavaScript. It is recommended to use types that correspond to their JavaScript counterparts. You can include this type in a parameter annotation for a function like so:

function processFile(file: File) {
    
}

Source: microsoft/TypeScript

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