jest.setup.ts

//
// Copyright Inrupt Inc.
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//
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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//

// import "@inrupt/jest-jsdom-polyfills";
if (
    typeof globalThis.TextEncoder === "undefined" ||
    typeof globalThis.TextDecoder === "undefined"
  ) {
    const utils = require("util");
    globalThis.TextEncoder = utils.TextEncoder;
    globalThis.TextDecoder = utils.TextDecoder;
    // TextEncoder references a Uint8Array constructor different than the global
    // one used by users in tests. The following enforces the same constructor to
    // be referenced by both.
    // FIXME: currently this doesn't work, and must be set in a custom environment.
    globalThis.Uint8Array = Uint8Array;
  }
  
  if (
    typeof globalThis.crypto !== "undefined" &&
    // jsdom doesn't implement the subtle Web Crypto API
    typeof globalThis.crypto.subtle === "undefined"
  ) {
    // Requires OPENSSL_CONF=/dev/null (see https://github.com/nodejs/node/discussions/43184)
    const {
      Crypto: WCrypto,
      CryptoKey: WCryptoKey,
    } = require("@peculiar/webcrypto");
    Object.assign(globalThis.crypto, new WCrypto());
    globalThis.CryptoKey = WCryptoKey;
  }
  
  // Node.js doesn't support Blob or File, so we're polyfilling those with
  // https://github.com/web-std/io
  if (typeof globalThis.Blob === "undefined") {
    const stdBlob = require("@web-std/blob");
    globalThis.Blob = stdBlob.Blob;
  }
  
  if (typeof globalThis.File === "undefined") {
    const stdFile = require("@web-std/file");
    globalThis.File = stdFile.File;
  }