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(core) Fix error bars for bar chart

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Summary:
The culprit was `series = uniqXValues(series);` because it creates new
series objects when they are used as keys to access error bars info
(`errorBars.get(line)`).

Fixed by making uniqXValues mutating series instead.

Test Plan: Adds a case to test error bars with bar charts.

Reviewers: jarek

Reviewed By: jarek

Differential Revision: https://phab.getgrist.com/D3198
This commit is contained in:
Cyprien P 2022-01-03 10:14:06 +01:00
parent 50821f655d
commit 89dc9334c3
2 changed files with 7 additions and 8 deletions
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2
app/client/components/ChartView.ts
View File

@ -802,7 +802,7 @@ function basicPlot(series: Series[], options: ChartOptions, dataOptions: Data):
// up on hover is different than the value on the y-axis. It seems that one is the sum of all
// values with same x-axis value, while the other is the last of them. To fix this, we force
// unique values for the x-axis.
series = uniqXValues(series);
uniqXValues(series);
}
return {

13
app/client/lib/chartUtil.ts
View File

@ -23,15 +23,14 @@ export function sortByXValues(series: Array<{values: Datum[]}>): void {
}
}
// creates new version of series that has a duplicate free version of the values in the first one.
export function uniqXValues<T extends {values: Datum[]}>(series: Array<T>): Array<T> {
if (!series[0]) { return []; }
// Makes series so that the values of series[0] are duplicate free.
export function uniqXValues<T extends {values: Datum[]}>(series: Array<T>) {
if (!series[0]) { return; }
const n = series[0].values.length;
const indexToKeep = new Set(uniqBy(range(n), (i) => series[0].values[i]));
return series.map((line: T) => ({
...line,
values: line.values.filter((_val, i) => indexToKeep.has(i))
}));
series.forEach((line: T) => {
line.values = line.values.filter((_val, i) => indexToKeep.has(i));
});
}
// Creates new version of series that split any entry whose value in the first series is a list into