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b3713db4ab
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Error about not-initialized `x` variable access should be thrown for:
```js
function foo() {
x = 69;
let x;
}
foo();
```
Progress on test262:
```
Diff Tests:
test/staging/sm/expressions/optional-chain-tdz.js ❌ -> ✅
test/staging/sm/expressions/short-circuit-compound-assignment-tdz.js
❌ -> ✅
```
Fixes https://github.com/LadybirdBrowser/ladybird/issues/4587
38 lines
1.8 KiB
HTML
38 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<div id="foo"></div>
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<script src="../../include.js"></script>
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<script>
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promiseTest(async () => {
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const foo = document.getElementById("foo");
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let anim = foo.animate({}, {});
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const prevReplaceState = anim.replaceState;
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anim.persist();
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if (prevReplaceState === "active" && anim.replaceState === "persisted")
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println("persist() sets animation's replaceState to persist");
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anim.cancel();
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// "Undo" the removal of an animation by the Document
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let anim1 = foo.animate({ opacity: 0 }, { duration: 1, fill: 'forwards' });
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let anim2 = foo.animate({ opacity: 0 }, { duration: 1, fill: 'forwards' });
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await anim1.finished;
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anim1.persist();
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println(`persist() undoes the Document removal effects: ${foo.getAnimations().length === 2}`);
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const timeline = internals.createInternalAnimationTimeline();
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anim1 = foo.animate({ opacity: 0 }, { duration: 1000, fill: "forwards", timeline });
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anim2 = foo.animate({ opacity: 0 }, { duration: 500, fill: "forwards", timeline });
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timeline.setTime(1500);
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await animationFrame();
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if (anim1.replaceState === "removed" && anim2.replaceState === "active")
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println("Animations are properly replaced when covered by another animation");
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anim1 = foo.animate({ opacity: 0 }, { duration: 1000, fill: "forwards", timeline });
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anim2 = foo.animate({ opacity: 0 }, { duration: 500, fill: "forwards", timeline });
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anim1.persist();
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timeline.setTime(1500);
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await animationFrame();
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if (anim1.replaceState === "persisted" && anim2.replaceState === "active")
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println("persist() keeps an animation from being replaced");
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});
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</script>
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