fix: passthrough `source` for directory namespace (instead of empty o…

…bject)

feat: fieldConfig validation moved from `astToSchema()` to `directory…

…ToAst()` method.

BREAKING CHANGE: FieldConfig is now stored in AST.fieldConfig property and is used as mutable value (every ast transformer use this value and may change it).

refactor: rename `relativePath` to `rootDir` like in typescript manner

BREAKING CHANGE: in `directoryToAst(module, opts)` was renamed option `relativePath` to `rootDir`

refactor: rename `relativePath` to `rootDir` like in typescript manner

BREAKING CHANGE: in `directoryToAst(module, opts)` was renamed option `relativePath` to `rootDir`

fix(VisitInfo): now `getFieldPathArray` correctly split fieldName wit…

…h dots

feat(astVisitor): add VisitInfo utility class which returns `node` in…

…fo and useful methods for writing middlewares

BREAKING CHANGE: `astVisitor` function now requires `schemaComposer` as the second argument. `VisitKindFn` now provide just one new argument `info: VisitInfo`.

feat: add more printer options to `testSDL` method

feat: add graphql-compose@9.0.0 to peerDependencies; update other dep…

…endencies

feat: improve type definitions, expose `FieldConfig` & `NamespaceConf…

…ig` types

feat: add `graphql-compose@^8.0.0` to peer dependencies and update ot…

…her dependencies