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Fix maximum update depth exceeded #387

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Fix maximum update depth exceeded #387

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66347d8
Add function to deeply compare arrays
Mar 28, 2024
fcf2a53
Fix bug (infinite render loop) caused by wrong dependence arrays
Mar 28, 2024
4bab637
Improve performance by using a new primitive variable to trigger events
Apr 15, 2024
845b5c4
Update test to handle date and milliseconds for the setCellData action
Apr 15, 2024
6432922
Remove redundant renderings
Apr 22, 2024
5a24c81
Fix rendering issue: table size
Apr 22, 2024
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7 changes: 3 additions & 4 deletions src/Spreadsheet.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ import {
getCSV,
shouldHandleClipboardEvent,
isFocusedWithin,
deepArrayComparison,
} from "./util";

import DefaultTable from "./Table";
Expand Down Expand Up @@ -235,13 +236,12 @@ const Spreadsheet = <CellType extends Types.CellBase>(
// Listen to data changes
const prevDataRef = React.useRef<Matrix.Matrix<CellType>>(state.model.data);
React.useEffect(() => {
if (state.model.data !== prevDataRef.current) {
if (!deepArrayComparison(state.model.data, prevDataRef.current)) {
// Call on change only if the data change internal
if (state.model.data !== props.data) {
if (!deepArrayComparison(state.model.data, props.data)) {
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I'm sorry but although this is a working solution for small datasets, for big ones it could be very problematic. The fix should be to make sure the reference isn't different in the first place.

onChange(state.model.data);
}
}

prevDataRef.current = state.model.data;
}, [state.model.data, onChange, props.data]);

Expand All @@ -252,7 +252,6 @@ const Spreadsheet = <CellType extends Types.CellBase>(
if (state?.model?.evaluatedData !== prevEvaluatedDataRef?.current) {
onEvaluatedDataChange(state?.model?.evaluatedData);
}

prevEvaluatedDataRef.current = state.model.evaluatedData;
}, [state?.model?.evaluatedData, onEvaluatedDataChange]);

Expand Down
11 changes: 11 additions & 0 deletions src/util.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,17 @@ export function range(end: number, start = 0, step = 1): number[] {
return array;
}

/** Perform deep comparison of two (nested) arrays. */
export function deepArrayComparison(arr1: any[], arr2: any[]): boolean {
if (arr1.length !== arr2.length) return false;
return arr1.every((element, index) => {
if (Array.isArray(element) && Array.isArray(arr2[index])) {
return deepArrayComparison(element, arr2[index]);
}
return element === arr2[index];
});
}

/** Return whether given point is active */
export function isActive(
active: Types.StoreState["active"],
Expand Down