Configuring TypeScript for Firefox to recognize specific types such as browser.storage

As per the documentation from Mozilla, I should be able to utilize browser.storage.sync.get in my extension. However, I am encountering some challenges in getting TypeScript to recognize that I can use browser.

I have attempted the following (which has worked for using chrome)

package

    "@types/chrome": "^0.0.209",
    "@types/firefox": "^0.0.31",

tsconfig.json

{
  "compilerOptions": {
    "target": "es6",
    "module": "CommonJS",
    "strict": true,
    "resolveJsonModule": true,
    "types": ["chrome", "firefox"]
  },
  "include": ["src", "scripts", "bundle.ts"],
  "exclude": ["node_modules", "dist", "scripts"]
}

What could I be overlooking?

typescriptfirefox

Answer №1

The global browser object is an essential part of the web extension environment, and you can access TypeScript bindings for it through @types/firefox-webext-browser:

npm install -D @types/firefox-webext-browser

To make the browser object available globally without the need for importing, you can register it in your tsconfig.json file like this:

{
  "compilerOptions": {
    "types": [
      "firefox-webext-browser"
    ]
  },
}

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