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fix regex perf issue (#21421)

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This commit is contained in:
Alan Ren
2022-12-15 10:43:17 -08:00
committed by GitHub
parent a4db7309af
commit 3aab4fd115
1 changed files with 3 additions and 3 deletions
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6
src/sql/workbench/contrib/query/browser/gridPanel.ts
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@@ -75,9 +75,9 @@ const MIN_GRID_HEIGHT = (MIN_GRID_HEIGHT_ROWS * ROW_HEIGHT) + HEADER_HEIGHT + ES
// 2. when user clicks a cell, whether the cell content should be displayed in a new text editor as json.
// Based on the requirements, the solution doesn't need to be very accurate, a simple regex is enough since it is more
// performant than trying to parse the string to object.
// Regex explaination: after removing the trailing whitespaces, the string must start with '[' (to support arrays)
// or '{'. And there must be a '}' to match the '{'.
const IsJsonRegex = /({(.|\s)*?})|(\[(.|\s)*?\])/g;
// Regex explaination: after removing the trailing whitespaces and line breaks, the string must start with '[' (to support arrays)
// or '{', and there must be a '}' or ']' to close it.
const IsJsonRegex = /^\s*[\{|\[][\S\s]*[\}\]]\s*$/g;
export class GridPanel extends Disposable {
private container = document.createElement('div');