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Merge pull request #175 from alibaba/copilot/sub-pr-173-again

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perf(page-controller): cache compiled regexes in `globToRegex`
This commit is contained in:
Simon
2026-03-09 22:34:58 +08:00
committed by GitHub
parent 0c124c3b44 5852054e3a
commit 5873e68d63
1 changed files with 9 additions and 2 deletions
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9
packages/page-controller/src/dom/index.ts
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@@ -74,9 +74,16 @@ export function getFlatTree(config: DomConfig): FlatDomTree {
return elements return elements
} }
const globRegexCache = new Map<string, RegExp>()
function globToRegex(pattern: string): RegExp { function globToRegex(pattern: string): RegExp {
let regex = globRegexCache.get(pattern)
if (!regex) {
const escaped = pattern.replace(/[.+^${}()|[\]\\]/g, '\\$&') const escaped = pattern.replace(/[.+^${}()|[\]\\]/g, '\\$&')
return new RegExp(`^${escaped.replace(/\*/g, '.*')}$`) regex = new RegExp(`^${escaped.replace(/\*/g, '.*')}$`)
globRegexCache.set(pattern, regex)
}
return regex
} }
function matchAttributes( function matchAttributes(