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handle edge case

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This commit is contained in:
Felix Roos 2022-05-01 14:13:20 +02:00
parent bdb5dabba5
commit 29fceff9b3
2 changed files with 13 additions and 8 deletions
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2
repl/src/CodeMirror6.jsx
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@ -37,7 +37,7 @@ const highlightField = StateField.define({
} }
return highlights; return highlights;
} catch (err) { } catch (err) {
console.warn('highlighting error', err); // console.warn('highlighting error', err);
return highlights; return highlights;
} }
}, },

19
repl/src/useHighlighting.js
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@ -12,13 +12,18 @@ function useHighlighting({ view, pattern, active }) {
let frame = requestAnimationFrame(updateHighlights); let frame = requestAnimationFrame(updateHighlights);
function updateHighlights() { function updateHighlights() {
const audioTime = Tone.getTransport().seconds; try {
const span = [lastEnd || audioTime, audioTime + 1 / 60]; const audioTime = Tone.getTransport().seconds;
lastEnd = audioTime + 1 / 60; const span = [lastEnd || audioTime, audioTime + 1 / 60];
highlights = highlights.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active lastEnd = audioTime + 1 / 60;
const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset()); highlights = highlights.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
highlights = highlights.concat(haps); // add potential new onsets const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset());
view.dispatch({ effects: setHighlights.of(highlights) }); // highlight all still active + new active haps highlights = highlights.concat(haps); // add potential new onsets
view.dispatch({ effects: setHighlights.of(highlights) }); // highlight all still active + new active haps
} catch (err) {
// console.log('error in updateHighlights', err);
view.dispatch({ effects: setHighlights.of([]) });
}
frame = requestAnimationFrame(updateHighlights); frame = requestAnimationFrame(updateHighlights);
} }