test: upd tests pollyfills (#439)

package.json

@@ -254,8 +254,7 @@
     "sass-loader": "^13.3.2",
     "stylelint": "15.11.0",
     "ts-jest": "^27.0.7",
-    "typescript": "^4.5.2",
-    "web-streams-polyfill": "4.0.0"
+    "typescript": "^4.5.2"
   },
   "peerDependenciesMeta": {
     "@diplodoc/folding-headings-extension": {

tests/pollyfills.ts

@@ -0,0 +1,30 @@
+/* eslint-disable @typescript-eslint/no-redeclare */
+import {Blob} from 'node:buffer';
+import {ReadableStream} from 'node:stream/web';
+import {TextDecoder, TextEncoder} from 'node:util';
+
+Object.assign(global, {Blob, ReadableStream, TextDecoder, TextEncoder});
+
+// fix from https://github.com/jsdom/jsdom/issues/3002
+document.createRange = () => {
+    const range = new Range();
+    range.getBoundingClientRect = () => ({
+        x: 0,
+        y: 0,
+        width: 0,
+        height: 0,
+        top: 0,
+        right: 0,
+        bottom: 0,
+        left: 0,
+        toJSON() {
+            return JSON.stringify(this);
+        },
+    });
+    range.getClientRects = () => ({
+        length: 0,
+        item: () => null,
+        [Symbol.iterator]: jest.fn(),
+    });
+    return range;
+};

tests/setup.ts

@@ -1,33 +1,2 @@
-import {TextDecoder as TextDecoderUtil, TextEncoder as TextEncoderUtil} from 'util';
-
-import {ReadableStream as ReadableStreamPolyfill} from 'web-streams-polyfill';
-
+import './pollyfills';
 import './toMatchNode';
-
-global.TextDecoder = TextDecoderUtil as any; // TS error in global.TextDecoder
-global.TextEncoder = TextEncoderUtil;
-global.ReadableStream = ReadableStreamPolyfill;
-
-// fix from https://github.com/jsdom/jsdom/issues/3002
-document.createRange = () => {
-    const range = new Range();
-    range.getBoundingClientRect = () => ({
-        x: 0,
-        y: 0,
-        width: 0,
-        height: 0,
-        top: 0,
-        right: 0,
-        bottom: 0,
-        left: 0,
-        toJSON() {
-            return JSON.stringify(this);
-        },
-    });
-    range.getClientRects = () => ({
-        length: 0,
-        item: () => null,
-        [Symbol.iterator]: jest.fn(),
-    });
-    return range;
-};