message: fix(compiler-cli): ensure `getRootDirs()` handles case-sensitivity
  Previously the `getRootDirs()` function was not converting
  the root directory paths to their canonical form, which can
  cause problems on case-insensitive file-systems.
  PR Close
diff: @@ -105,7 +105,7 @@ export function getRootDirs(host: ts.CompilerHost, options: ts.CompilerOptions):
  // See:
  // https://github.com/Microsoft/TypeScript/blob/3f7357d37f66c842d70d835bc925ec2a873ecfec/src/compiler/sys.ts#L650
  // Also compiler options might be set via an API which doesn't normalize paths
  - return rootDirs.map(rootDir => absoluteFrom(rootDir));
  + return rootDirs.map(rootDir => absoluteFrom(host.getCanonicalFileName(rootDir)));
  }
  export function nodeDebugInfo(node: ts.Node): string {
  