osmcha-frontend

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osmcha-frontend

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Frontend for the osmcha-django REST API

// repository documentation

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# osmcha-frontend

This is the web frontend for [osmcha.org](https://osmcha.org/), a tool for reviewing and analyzing edits to [OpenStreetMap](https://openstreetmap.org/about).

Other relevant repositories that contain parts of the OSMCha application are:
* [`osmcha-django`](https://github.com/OSMCha/osmcha-django) - the backend Django application
* [`osmcha` (python library)](https://github.com/OSMCha/osmcha) - used by the backend to analyse OSM changesets
* [`maplibre-adiff-viewer`](https://github.com/OSMCha/maplibre-adiff-viewer) - used to display the changeset on the main map

## Development

To set up a local development environment:

1. Install Node.js and npm. The recommended Node.js version is listed in [.tool-versions](./.tool-versions). Tool managers like [asdf](https://asdf-vm.com/) or [mise](https://mise.jdx.dev/) can read this file and install the right version for you if you want. 
2. Run `npm install` to install the required JavaScript dependencies.
3. Run `npm run start` to start the frontend (it will rebuild automatically when you make changes)
4. Open [http://127.0.0.1:3000](http://127.0.0.1:3000)

If you are running the frontend against the production backend (the default),
then OAuth login will work automatically. If you are running your own local
copy of the [`osmcha-django`](https://github.com/OSMCha/osmcha-django) backend,
you'll need to register your own OAuth app on openstreetmap.org, configure
the backend to use that secret key, and then point this frontend at your local
backend by setting the `OSMCHA_API_URL` environment variable. After that, normal
OAuth login through the frontend UI should work.

### Testing and quality checks

- `npm run typecheck` runs TypeScript to verify that the code does not have any type errors
- `npm run check` checks that the code is formatted correctly and runs the linter (it also runs typechecking)
- `npm run format` reformats code to match the expected conventions
- `npm run test` runs the automated test suite

## Releasing and Deployment

Deployment of the [osmcha.org](https://osmcha.org) instance is managed in the [`osmcha-deploy`](https://github.com/OSMCha/osmcha-deploy). Tags pushed to this repo are automatically built into container images. Modifying the code in `osmcha-deploy` to change the pinned image version will automatically redeploy the production website.

When tagging a new release, be sure to also update the [CHANGELOG](./CHANGELOG.md) file to describe what's changed.

## Issues and feature requests

If you have any error reports of want to request new features, please
[read our contribution guide to file an issue](CONTRIBUTING.md).

osmcha-frontend

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