[njs] Added fs.FileHandle.

details: https://hg.nginx.org/njs/rev/e9ce6daa07fa branches: changeset: 1931:e9ce6daa07fa user: Dmitry Volyntsev date: Mon Aug 22 16:49:27 2022 -0700 description: Added fs.FileHandle. The following methods are implemented: - fs.openSync(path[, flag[, mode]]) - fs.promises.op

[njs] Types: added ts types for the recent fs API.

details: https://hg.nginx.org/njs/rev/2f0056631e75 branches: changeset: 1932:2f0056631e75 user: Dmitry Volyntsev date: Mon Aug 22 22:03:15 2022 -0700 description: Types: added ts types for the recent fs API. diffstat: test/ts/test.ts| 23 ++- ts/njs_core.d.ts |