After the big weather refactor (#4032), OpenWeatherMap was effectively
hard-wired to One Call v3. One Call 2.5 is deprecated and no longer
available, so it looked like v2.5 support was effectively over — but the
classic `/weather` and `/forecast` endpoints were never actually
dropped. This restores support for those.
Fixes#4100.
## What this PR does
- handles OpenWeatherMap responses by endpoint again (`/onecall`,
`/weather`, `/forecast`)
- restores v2.5 current and forecast support (including hourly via
3-hour forecast slots)
- filters outdated hourly entries centrally while keeping the current
hour visible (if available)
## Screenshot
<img width="768" height="481" alt="bildo"
src="https://github.com/user-attachments/assets/9bce3531-3731-4fd7-b41e-e20603afa725"
/>
`eslint-plugin-import-x` was the last thing blocking the ESLint v10
upgrade - it just got v10 support. So here we go.
The upgrade itself is tiny. The rest of the diff is cleanup from issues
ESLint v10 now catches: a few `let` declarations with initial values
that were immediately overwritten anyway (`no-useless-assignment`), and
`Translator` listed in `/* global */` in `main.js` and `module.js`.
Working through those `no-useless-assignment` warnings also surfaced a
dead default in `openmeteo`: `maxEntries: 5` in the constructor, which
was never actually doing anything - `openmeteo` never reads
`this.config.maxEntries` anywhere. And `weather.js` already sets that
default for all providers, so it was just a redundant duplicate. Removed
that too.
No runtime behavior changes.
Enable the `require-await` ESLint rule. Async functions without `await`
are just regular functions with extra overhead — marking them `async`
adds implicit Promise wrapping, can hide missing `return` statements,
and misleads readers into expecting asynchronous behavior where there is
none.
While fixing the violations, I removed unnecessary `async` keywords from
source files and from various test callbacks that never used `await`.
This migrates the Weather module from client-side fetching to use the
server-side centralized HTTPFetcher (introduced in #4016), following the
same pattern as the Calendar and Newsfeed modules.
## Motivation
This brings consistent error handling and better maintainability and
completes the refactoring effort to centralize HTTP error handling
across all default modules.
Migrating to server-side providers with HTTPFetcher brings:
- **Centralized error handling**: Inherits smart retry strategies
(401/403, 429, 5xx backoff) and timeout handling (30s)
- **Consistency**: Same architecture as Calendar and Newsfeed modules
- **Security**: Possibility to hide API keys/secrets from client-side
- **Performance**: Reduced API calls in multi-client setups - one server
fetch instead of one per client
- **Enabling possible future features**: e.g. server-side caching, rate
limit monitoring, and data sharing with third-party modules
## Changes
- All 10 weather providers now use HTTPFetcher for server-side fetching
- Consistent error handling like Calendar and Newsfeed modules
## Breaking Changes
None. Existing configurations continue to work.
## Testing
To ensure proper functionality, I obtained API keys and credentials for
all providers that require them. I configured all 10 providers in a
carousel setup and tested each one individually. Screenshots for each
provider are attached below demonstrating their working state.
I even requested developer access from the Tempest/WeatherFlow team to
properly test this provider.
**Comprehensive test coverage**: A major advantage of the server-side
architecture is the ability to thoroughly test providers with unit tests
using real API response snapshots. Don't be alarmed by the many lines
added in this PR - they are primarily test files and real-data mocks
that ensure provider reliability.
## Review Notes
I know this is an enormous change - I've been working on this for quite
some time. Unfortunately, breaking it into smaller incremental PRs
wasn't feasible due to the interdependencies between providers and the
shared architecture.
Given the scope, it's nearly impossible to manually review every change.
To ensure quality, I've used both CodeRabbit and GitHub Copilot to
review the code multiple times in my fork, and both provided extensive
and valuable feedback. Most importantly, my test setup with all 10
providers working successfully is very encouraging.
## Related
Part of the HTTPFetcher migration #4016.
## Screenshots
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-06-54"
src="https://github.com/user-attachments/assets/2139f4d2-2a9b-4e49-8d0a-e4436983ed6e"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-02"
src="https://github.com/user-attachments/assets/880f7ce2-4e44-42d5-bfe4-5ce475cca7c2"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-07"
src="https://github.com/user-attachments/assets/abd89933-fe03-40ab-8a7c-41ae1ff99255"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-12"
src="https://github.com/user-attachments/assets/22225852-f0a9-4d33-87ab-0733ba30fad3"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-17"
src="https://github.com/user-attachments/assets/7a7192a5-f237-4060-85d7-6f50b9bef5af"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-22"
src="https://github.com/user-attachments/assets/df84d9f1-e531-4995-8da8-d6f2601b6a08"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-27"
src="https://github.com/user-attachments/assets/4cf391ac-db43-4b52-95f4-f5eadc5ea34d"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-32"
src="https://github.com/user-attachments/assets/8dd8e688-d47f-4815-87f6-7f2630f15d58"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-37"
src="https://github.com/user-attachments/assets/ee84a8bc-6b35-405a-b311-88658d9268dd"
/>
<img width="1920" height="1080" alt="Ekrankopio de 2026-02-08 13-07-42"
src="https://github.com/user-attachments/assets/f941f341-453f-4d4d-a8d9-6b9158eb2681"
/>
Provider "Weather API" added later:
<img width="1910" height="1080" alt="Ekrankopio de 2026-02-15 19-39-06"
src="https://github.com/user-attachments/assets/3f0c8ba3-105c-4f90-8b2e-3a1be543d3d2"
/>
Since the project's inception, I've missed a clear separation between
default and third-party modules.
This increases complexity within the project (exclude `modules`, but not
`modules/default`), but the mixed use is particularly problematic in
Docker setups.
Therefore, with this pull request, I'm moving the default modules to a
different directory.
~~I've chosen `default/modules`, but I'm not bothered about it;
`defaultmodules` or something similar would work just as well.~~
Changed to `defaultmodules`.
Let me know if there's a majority in favor of this change.
