decentraland / snapshots-fetcher

87%

main: 87%

Build Type

push

github

Committed by web-flow

Commit Message

refactor: migrate to @dcl/fetch-component and drain response bodies (#202)

* refactor: migrate off @well-known-components to @dcl fetch and test helpers

Replace @well-known-components/fetch-component with @dcl/fetch-component
and source IFetchComponent/RequestOptions/IHttpServerComponent from
@dcl/core-commons. The undici-backed fetcher has no `size` option and
pins sockets when response bodies go unconsumed, so fetchJson now:

- drains the body (response.body.cancel()) before throwing on non-2xx,
  releasing the socket back to the undici pool
- reads the body through a bounded reader that enforces the 50 MiB cap
  manually and cancels the stream if the limit is exceeded

Also migrate the test harness from @well-known-components/test-helpers to
@dcl/test-helpers (createRunner/defaultServerConfig), bump @dcl/http-server
to v2, drop node-fetch in favour of the native fetcher and global Headers,
and add jest/ts-jest/@types/jest explicitly (the old WKC test-helpers
bundled them transitively). The one sinon-style suite is converted to jest
spyComponents + toHaveBeenCalledTimes, since the new stub/spy components
return jest mocks. Bump the node engine to >=22.

* fix: correct the node-version guard and reject empty JSON bodies

The startup guard used process.version ("v22.14.0"), so
parseInt(version.split('.')[0]) parsed "v22" as NaN and the check never
fired; it also still referenced Node 16. Switch to process.versions.node
(no "v" prefix) and require >=22 to match the engines field.

fetchJson returned JSON.parse('') on an empty/null 2xx body, throwing a
bare SyntaxError. Reject an empty body explicitly, including the URL for
context, before parsing.

Coverage Stats

168 of 224 branches covered (75.0%)

Branch coverage included in aggregate %.

24 of 29 new or added lines in 4 files covered. (82.76%)

1 existing line in 1 file now uncovered.

695 of 773 relevant lines covered (89.91%)

15.97 hits per line