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fix(lsp): preserve POSIX backslash paths

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This commit is contained in:
Tianyi Cui
2026-07-29 09:29:01 +08:00
parent 71e0eeac40
commit f61a4943bd
2 changed files with 8 additions and 3 deletions
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5
packages/lsp/tool-lsp/src/render.ts
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@@ -149,6 +149,7 @@ export function renderUri(uri: string, workspaceUri: string): string {
if (targetSegments === undefined || workspaceSegments === undefined) return uri
const sameAuthority = target.hostname === workspace.hostname
const windowsWorld = isWindowsFileWorld(workspace, workspaceSegments)
if (windowsWorld && [...targetSegments, ...workspaceSegments].some(segment => segment.includes('\\'))) return uri
const inside = sameAuthority
&& targetSegments.length >= workspaceSegments.length
&& workspaceSegments.every((segment, index) => samePathSegment(segment, targetSegments[index] as string, windowsWorld))
@@ -164,11 +165,11 @@ function isWindowsFileWorld(url: URL, segments: readonly string[]): boolean {
return url.hostname.length > 0 || /^[A-Za-z]:$/.test(segments[0] ?? '')
}
/** Decode URI path segments while rejecting encoded separators that would change path structure. */
/** Decode URI path segments while rejecting encoded POSIX separators and NUL. */
function decodeFileSegments(url: URL): string[] | undefined {
try {
const decoded = url.pathname.split('/').map(segment => decodeURIComponent(segment))
if (decoded.some(segment => /[/\\\0]/u.test(segment))) return undefined
if (decoded.some(segment => /[/\0]/u.test(segment))) return undefined
while (decoded.at(-1) === '') decoded.pop()
decoded.shift()
return decoded

6
packages/lsp/tool-lsp/tests/render.spec.ts
View File

@@ -82,11 +82,15 @@ describe('renderUri', () => {
expect(renderUri('file:///a.ts', 'file:///')).toBe('a.ts')
})
it('preserves backslashes as ordinary POSIX filename characters', () => {
expect(renderUri('file:///home/u/proj/dir%5Cname/a.ts', WS_URI)).toBe('dir\\name/a.ts')
})
it('keeps malformed or mismatched URI coordinates verbatim', () => {
expect(renderUri('file://[', WS_URI)).toBe('file://[')
expect(renderUri('file:///a.ts', 'https://example.com/workspace')).toBe('file:///a.ts')
expect(renderUri('file:///a.ts', 'file:///bad%ZZ')).toBe('file:///a.ts')
expect(renderUri('file:///bad%5Cpath', WS_URI)).toBe('file:///bad%5Cpath')
expect(renderUri('file:///C:/workspace/bad%5Cpath', 'file:///C:/workspace')).toBe('file:///C:/workspace/bad%5Cpath')
expect(renderUri('file:///short', 'file:///short/deeper')).toBe('/short')
expect(renderUri('file:///', 'file:///C:/workspace')).toBe('/')
})