Function resolveCodeNav

packages/shared/code-nav.ts:366–432

(
  runtime: CodeNavRuntime,
  request: CodeNavRequest,
  cwd: string,
  changedFiles: string[],
)

let rgAvailable: boolean | null = null;

export async function resolveCodeNav(
  runtime: CodeNavRuntime,
  request: CodeNavRequest,
  cwd: string,
  changedFiles: string[],
): Promise<CodeNavResponse> {
  const start = Date.now();

  if (rgAvailable === null) {
    const check = await runtime.runCommand("rg", ["--version"], {
      cwd,
      timeoutMs: 2000,
    });
    rgAvailable = check.exitCode === 0;
  }

  if (!rgAvailable) {
    return {
      backend: "unavailable",
      complete: true,
      definitions: [],
      references: [],
      searchScope: "head",
      stats: { elapsedMs: Date.now() - start, capped: false },
    };
  }

  const args = buildRgArgs(request.symbol, request.language);

  const result = await runtime.runCommand("rg", args, {
    cwd,
    timeoutMs: 5000,
  });

  // Exit code 1 = no matches (normal), exit code 2 = error
  if (result.exitCode === 2) {
    return {
      backend: "search",
      complete: true,
      definitions: [],
      references: [],
      searchScope: "head",
      stats: { elapsedMs: Date.now() - start, capped: false },
    };
  }

  const locations = parseRgJsonOutput(
    result.stdout,
    request.symbol,
    request.language,
  );

  const ranked = rankLocations(locations, {
    sourceFilePath: request.filePath,
    changedFiles,
    isTestFile: isTestFile(request.filePath),
  });