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fix(prune-dts): preserve license headers across pruned declaration files and align snapshots (#10168)

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This commit is contained in:
Daniel La Rocque
2026-07-24 10:11:34 -04:00
committed by GitHub
parent a61d5510fc
commit fbd1f9aeb8
1 changed files with 18 additions and 0 deletions
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repo-scripts/prune-dts/prune-dts.ts
+18
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@@ -64,6 +64,24 @@ export function pruneDts(
const transformedSourceFile: ts.SourceFile = result.transformed[0];
let content = printer.printFile(transformedSourceFile);
// Preserve leading license comment if updateSourceFile dropped it from statement #0
const leadingComments = ts.getLeadingCommentRanges(
sourceFile.getFullText(),
0
);
if (leadingComments && leadingComments.length > 0) {
const firstComment = sourceFile
.getFullText()
.slice(leadingComments[0].pos, leadingComments[0].end);
if (
firstComment.includes('@license') &&
!content.trimStart().startsWith('/**\n * @license') &&
!content.trimStart().startsWith('/*\n * @license')
) {
content = `${firstComment}\n` + content;
}
}
fs.writeFileSync(outputLocation, content);
}