perf: remove redundant seen-Set deduplication in merge_entry_ranges (#95)

bartveneman · web-flow · commit 4c9ceaf49261 · 2026-03-17T22:08:07.000+01:00
diff --git a/src/lib/decuplicate.ts b/src/lib/decuplicate.ts
@@ -34,14 +34,8 @@ function merge_entry_ranges(
 		return { url: entry.url, ranges: [...entry.ranges] }
 	}
 
-	let seen = new Set(sheet.ranges.map((r) => `${r.start}:${r.end}`))
-
 	for (let range of entry.ranges) {
-		let id = `${range.start}:${range.end}`
-		if (!seen.has(id)) {
-			seen.add(id)
-			sheet.ranges.push({ ...range })
-		}
+		sheet.ranges.push({ ...range })
 	}
 
 	return sheet

Original file line number	Diff line number	Diff line change
`@@ -34,14 +34,8 @@ function merge_entry_ranges(`
`34`	`34`	`return { url: entry.url, ranges: [...entry.ranges] }`
`35`	`35`	`}`
`36`	`36`
`37`		- let seen = new Set(sheet.ranges.map((r) => `${r.start}:${r.end}`))
`38`		`-`
`39`	`37`	`for (let range of entry.ranges) {`
`40`		- let id = `${range.start}:${range.end}`
`41`		`- if (!seen.has(id)) {`
`42`		`- seen.add(id)`
`43`		`- sheet.ranges.push({ ...range })`
`44`		`- }`
	`38`	`+ sheet.ranges.push({ ...range })`
`45`	`39`	`}`
`46`	`40`
`47`	`41`	`return sheet`