eslint-import-resolver-typescript bridges ESLint's import resolution and TypeScript's module resolution. It allows ESLint to understand and validate imports in TypeScript projects, correctly resolving paths defined in tsconfig.json. By leveraging TypeScript's compiler options like paths and baseUrl, the resolver ensures accurate linting of import statements, preventing false positives and improving code quality in TypeScript projects using ESLint. It simplifies configuration by using your existing TypeScript setup.