deps!: Remove fast-text-encoding as a dependency

browser-test/test.crypto.ts

@@ -19,11 +19,6 @@ import {BrowserCrypto} from '../src/crypto/browser/crypto';
 import {privateKey, publicKey} from './fixtures/keys';
 import {describe, it} from 'mocha';
 
-// Not all browsers support `TextEncoder`. The following `require` will
-// provide a fast UTF8-only replacement for those browsers that don't support
-// text encoding natively.
-require('fast-text-encoding');
-
 describe('Browser crypto tests', () => {
   const crypto = createCrypto();
 

browser-test/test.oauth2.ts

@@ -17,12 +17,6 @@ import {assert} from 'chai';
 import * as sinon from 'sinon';
 import {privateKey, publicKey} from './fixtures/keys';
 import {it, describe, beforeEach} from 'mocha';
-
-// Not all browsers support `TextEncoder`. The following `require` will
-// provide a fast UTF8-only replacement for those browsers that don't support
-// text encoding natively.
-require('fast-text-encoding');
-
 import {CodeChallengeMethod, OAuth2Client} from '../src';
 import {CertificateFormat} from '../src/auth/oauth2client';
 import {JwkCertificate} from '../src/crypto/crypto';

package.json

@@ -20,7 +20,6 @@
     "arrify": "^2.0.0",
     "base64-js": "^1.3.0",
     "ecdsa-sig-formatter": "^1.0.11",
-    "fast-text-encoding": "^1.0.0",
     "gaxios": "^5.0.0",
     "gcp-metadata": "^5.3.0",
     "gtoken": "^6.1.0",

src/crypto/browser/crypto.ts

@@ -17,15 +17,6 @@
 // SubtleCrypto interface `window.crypto.subtle`.
 
 import * as base64js from 'base64-js';
-
-// Not all browsers support `TextEncoder`. The following `require` will
-// provide a fast UTF8-only replacement for those browsers that don't support
-// text encoding natively.
-// eslint-disable-next-line node/no-unsupported-features/node-builtins
-if (typeof process === 'undefined' && typeof TextEncoder === 'undefined') {
-  require('fast-text-encoding');
-}
-
 import {Crypto, JwkCertificate, fromArrayBufferToHex} from '../crypto';
 
 export class BrowserCrypto implements Crypto {

test/test.crypto.ts

@@ -104,12 +104,6 @@ describe('crypto', () => {
     assert.strictEqual(encodedString, base64String);
   });
 
-  it('should not load fast-text-encoding while running in nodejs', () => {
-    const loadedModules = Object.keys(require('module')._cache);
-    const hits = loadedModules.filter(x => x.includes('fast-text-encoding'));
-    assert.strictEqual(hits.length, 0);
-  });
-
   it('should calculate SHA256 digest in hex encoding', async () => {
     const input = 'I can calculate SHA256';
     const expectedHexDigest =