Method findUnusedExports

src/utils/usage-tracker.ts:810–843

* Find exports that are never imported anywhere in the codebase. * These may indicate dead code or forgotten APIs. * * @param scope Optional path prefix to limit analysis

(scope?: string)

   * @param scope Optional path prefix to limit analysis
   */
  findUnusedExports(scope?: string): UnusedExport[] {
    const result: UnusedExport[] = [];

    for (const [file, fileExports] of this.exports.entries()) {
      // Apply scope filter
      if (scope && !file.startsWith(scope)) continue;

      // Skip index/barrel files - they often re-export things
      if (file.endsWith('/index.ts') || file.endsWith('/index.js')) continue;

      // Skip test files
      if (file.includes('.spec.') || file.includes('.test.')) continue;

      const importedFromThisFile = this.importedSymbols.get(file) || new Set();

      const unusedExports: string[] = [];
      for (const exp of fileExports) {
        // Skip default exports (commonly used implicitly)
        if (exp.type === 'default') continue;

        // Check if this export is imported anywhere
        if (!importedFromThisFile.has(exp.name)) {
          unusedExports.push(exp.name);
        }
      }

      if (unusedExports.length > 0) {
        result.push({ file, exports: unusedExports });
      }
    }

    // Sort by file path for consistent output
    return result.sort((a, b) => a.file.localeCompare(b.file));
  }

  /**
   * Get statistics about the internal dependency graph