Handle Windows absolute paths in resolveUriToFile

src/analysis-paths.ts

@@ -55,7 +55,10 @@ export function includeAndExcludeAnalysisPaths(config: configUtils.Config) {
   // If the temporary or tools directory is in the working directory ignore that too.
   const tempRelativeToWorking = path.relative(process.cwd(), config.tempDir);
   let pathsIgnore = config.pathsIgnore;
-  if (!tempRelativeToWorking.startsWith("..")) {
+  if (
+    !tempRelativeToWorking.startsWith("..") &&
+    !path.isAbsolute(tempRelativeToWorking)
+  ) {
     pathsIgnore = pathsIgnore.concat(tempRelativeToWorking);
   }
   if (pathsIgnore.length !== 0) {

src/fingerprints.test.ts

@@ -150,9 +150,16 @@ test("resolveUriToFile", (t) => {
   t.is(testResolveUriToFile(`file://${filepath}`, undefined, []), filepath);
 
   // Relative paths are made absolute
-  t.is(testResolveUriToFile(relativeFilepath, undefined, []), filepath);
   t.is(
-    testResolveUriToFile(`file://${relativeFilepath}`, undefined, []),
+    testResolveUriToFile(relativeFilepath, undefined, [])
+      ?.split(path.sep)
+      .join("/"),
+    filepath
+  );
+  t.is(
+    testResolveUriToFile(`file://${relativeFilepath}`, undefined, [])
+      ?.split(path.sep)
+      .join("/"),
     filepath
   );
 

src/fingerprints.ts

@@ -1,4 +1,5 @@
 import * as fs from "fs";
+import path from "path";
 
 import Long from "long";
 
@@ -226,7 +227,7 @@ export function resolveUriToFile(
   // Just assume a relative path is relative to the src root.
   // This is not necessarily true but should be a good approximation
   // and here we likely want to err on the side of handling more cases.
-  if (!uri.startsWith("/")) {
+  if (!path.isAbsolute(uri)) {
     uri = srcRootPrefix + uri;
   }