Use globalThis instead of global (#3763)

Switches use of `global` to `globalThis`, which is better supported when building with modern build tools like Vite.

Refs #2903

Signed-off-by: Damon Vestervand <[email protected]>
Signed-off-by: Damon <[email protected]>

Author: orbiteleven

spec/olm-loader.ts

@@ -20,7 +20,7 @@ import { logger } from "../src/logger";
 // try to load the olm library.
 try {
     // eslint-disable-next-line @typescript-eslint/no-var-requires
-    global.Olm = require("@matrix-org/olm");
+    globalThis.Olm = require("@matrix-org/olm");
     logger.log("loaded libolm");
 } catch (e) {
     logger.warn("unable to run crypto tests: libolm not available", e);

src/browser-index.ts

@@ -24,15 +24,15 @@ declare global {
     /* eslint-enable no-var */
 }
 
-if (global.__js_sdk_entrypoint) {
+if (globalThis.__js_sdk_entrypoint) {
     throw new Error("Multiple matrix-js-sdk entrypoints detected!");
 }
-global.__js_sdk_entrypoint = true;
+globalThis.__js_sdk_entrypoint = true;
 
 // just *accessing* indexedDB throws an exception in firefox with indexeddb disabled.
 let indexedDB: IDBFactory | undefined;
 try {
-    indexedDB = global.indexedDB;
+    indexedDB = globalThis.indexedDB;
 } catch (e) {}
 
 // if our browser (appears to) support indexeddb, use an indexeddb crypto store.
@@ -44,4 +44,4 @@ if (indexedDB) {
 // It's awkward, but required.
 export * from "./matrix";
 export default matrixcs; // keep export for browserify package deps
-global.matrixcs = matrixcs;
+globalThis.matrixcs = matrixcs;

src/crypto/crypto.ts

@@ -16,9 +16,9 @@ limitations under the License.
 
 import { logger } from "../logger";
 
-export let crypto = global.window?.crypto;
-export let subtleCrypto = global.window?.crypto?.subtle ?? global.window?.crypto?.webkitSubtle;
-export let TextEncoder = global.window?.TextEncoder;
+export let crypto = globalThis.window?.crypto;
+export let subtleCrypto = globalThis.window?.crypto?.subtle ?? global.window?.crypto?.webkitSubtle;
+export let TextEncoder = globalThis.window?.TextEncoder;
 
 /* eslint-disable @typescript-eslint/no-var-requires */
 if (!crypto) {

src/crypto/index.ts

@@ -134,7 +134,7 @@ export const verificationMethods = {
 export type VerificationMethod = keyof typeof verificationMethods | string;
 
 export function isCryptoAvailable(): boolean {
-    return Boolean(global.Olm);
+    return Boolean(globalThis.Olm);
 }
 
 // minimum time between attempting to unwedge an Olm session, if we succeeded