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fix(browser): validate and bound source-map evidence

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morluto
2026-10-09 06:17:10 +08:00
parent e1df5e8555
commit 0a0174b9ac
11 changed files with 918 additions and 178 deletions
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src/javascript/sourceMaps/SourceMapFormat.ts
+5 -14
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@@ -311,18 +311,10 @@ export const inspectSourceMap = (
};
};
/** Validate shared source-map structure before a consumer decodes mappings. */
export const validateSourceMapStructure = (
/** Return validated leaves when a consumer needs decoded rows after preflight. */
export const inspectSourceMapValue = (
value: unknown,
options: SourceMapStructureOptions = {},
): void => {
inspectSourceMapValue(value, options, false);
};
const inspectSourceMapValue = (
value: unknown,
options: SourceMapStructureOptions = {},
collect = true,
): {
readonly format: "regular" | "indexed";
readonly reportedFile: string | null;
@@ -351,10 +343,9 @@ const inspectSourceMapValue = (
continue;
}
const leaf = inspectLeaf(node, budget, options);
if (collect)
leaves.push({ map: leaf, offset: node.offset, stop: node.stop });
for (const [sourceIndex, source] of leaf.sources.entries())
if (collect)
leaves.push({ map: leaf, offset: node.offset, stop: node.stop });
if (options.profile !== "browser-collection")
for (const [sourceIndex, source] of leaf.sources.entries())
declarations.push({
sectionPath: node.path,
sourceIndex,