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Convert dataRows to a useMemo

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Robert
2023-06-22 16:38:37 +01:00
parent 3957d356f0
commit ecfa0ff5b9
1 changed files with 11 additions and 8 deletions
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19
extensions/ql-vscode/src/view/results/raw-results-table.tsx
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@@ -1,5 +1,5 @@
import * as React from "react";
import { useCallback, useEffect, useRef, useState } from "react";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import {
className,
emptyQueryResultsMessage,
@@ -116,17 +116,20 @@ export function RawTable({
};
}, [handleNavigationEvent]);
let dataRows = resultSet.rows;
const [dataRows, numTruncatedResults] = useMemo(() => {
if (resultSet.rows.length <= RAW_RESULTS_LIMIT) {
return [resultSet.rows, 0];
}
return [
resultSet.rows.slice(0, RAW_RESULTS_LIMIT),
resultSet.rows.length - RAW_RESULTS_LIMIT,
];
}, [resultSet]);
if (dataRows.length === 0) {
return emptyQueryResultsMessage();
}
let numTruncatedResults = 0;
if (dataRows.length > RAW_RESULTS_LIMIT) {
numTruncatedResults = dataRows.length - RAW_RESULTS_LIMIT;
dataRows = dataRows.slice(0, RAW_RESULTS_LIMIT);
}
const tableRows = dataRows.map((row: ResultRow, rowIndex: number) => (
<RawTableRow
key={rowIndex}