Precise DOM morphing
morphing
typescript
dom
Add a basic mutation observer
+5
-1
+5
-1
test/something.test.js
+5
-1
test/something.test.js
···
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2
import { morph } from "../";
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describe("my-test", () => {
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-
it("works", async () => {
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+
it.only("works", async () => {
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const a = await fixture(html`<h1></h1>`);
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const b = await fixture(html`<h1>Hello</h1>`);
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+
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new MutationObserver(() => {
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throw new Error("The to node was mutated.");
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}).observe(b, { attributes: true, childList: true, subtree: true });
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morph(a, b);
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