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Fix offscreencanvas undefined #11017

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merged 5 commits into from
Jun 26, 2023
Merged

Fix offscreencanvas undefined #11017

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713e3e0
Suppress ReferenceError on some environments (i.e. older iOS)
yuriha-chan Jun 15, 2023
fc54e56
fix
yuriha-chan Jun 15, 2023
2118338
fix
yuriha-chan Jun 15, 2023
68b3305
lint
yuriha-chan Jun 15, 2023
9e43ef4
adopt suggestion by acid-chicken
yuriha-chan Jun 25, 2023
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16 changes: 11 additions & 5 deletions packages/frontend/src/workers/test-webgl2.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,13 @@
const canvas = new OffscreenCanvas(1, 1);
const gl = canvas.getContext('webgl2');
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if (gl) {
postMessage({ result: true });
} else {
try {
// throw ReferenceError in Safari <= 16.3
const canvas = new OffscreenCanvas(1, 1);
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const gl = canvas.getContext('webgl2');
if (gl) {
postMessage({ result: true });
} else {
postMessage({ result: false });
}
} catch (err) {
// assert(e instanceof ReferenceError)
postMessage({ result: false });
}