metamask-extension/types/global.d.ts

// In order for variables to be considered on the global scope they must be
// declared using var and not const or let, which is why this rule is disabled
/* eslint-disable no-var */
import * as Sentry from '@sentry/browser';

declare class Platform {
  openTab: (opts: { url: string }) => void;

  closeCurrentWindow: () => void;
}

type SentryObject = Sentry & {
  // Verifies that the user has opted into metrics and then updates the sentry
  // instance to track sessions and begins the session.
  startSession: () => void;

  // Verifies that the user has opted out of metrics and then updates the
  // sentry instance to NOT track sessions and ends the current session.
  endSession: () => void;

  // Calls either startSession or endSession based on optin status
  toggleSession: () => void;
};

export declare global {
  var platform: Platform;
  // Sentry is undefined in dev, so use optional chaining
  var sentry: SentryObject | undefined;

  namespace jest {
    interface Matchers<R> {
      toBeFulfilled(): Promise<R>;
      toNeverResolve(): Promise<R>;
    }
  }
}