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bbassieandClaude Opus 5.5
4d4c509722
Only core uses the type, so there is no need to keep the old name around (Cooldude in #1130). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
62 lines
3.4 KiB
Markdown
62 lines
3.4 KiB
Markdown
# Migrating Plugins to 2.1
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This guide covers the changes needed to bring a plugin written for 2.0 up to 2.1.
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Plugins still on an alpha should start with the [2.0 guide](plugin-migration-to-2.0.md).
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## Request errors
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`RequestError` is gone.
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Errors thrown by request handlers are now received by the requester as the same class, see [Request errors](/docs/writing-plugins.md#request-errors).
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Replace `RequestError` with the class that fits:
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- Invalid input: `ValidationError`.
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- Operation disabled by config: `ForbiddenError`.
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- Missing instance, user, save etc.: `NotFoundError`.
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- Instance running, name taken etc.: `ConflictError`.
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- Host not connected, instance not running: `UnavailableError`.
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- Timeouts: `TimeoutError`.
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`catch` blocks that check `err instanceof RequestError` should check `ClientError` instead, or the specific class.
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Checks of `err.code` for remote errors can use `instanceof`, e.g. `err instanceof lib.SessionLost`.
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The config errors `lib.InvalidValue`, `lib.InvalidField` and `lib.InvalidAccess` were renamed to `lib.InvalidValueError`, `lib.InvalidFieldError` and `lib.InvalidAccessError`.
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Errors of classes that are not registered, like a `TypeError` from a bug, are received as `InternalServerError`.
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Plugins that define their own error classes need to list them in `errors` of the plugin declaration.
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## Build the web module with Vite
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The web interface is now built with Vite instead of webpack, and plugin web modules are loaded as ES modules instead of through Module Federation.
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A plugin built with webpack fails to load with the error "Incompatible dist/web/manifest.json, the plugin must be rebuilt with Vite".
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Delete `webpack.config.cjs` and add a `vite.config.js` next to `package.json`:
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```js
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import { defineConfig } from "vite";
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import { clusterioPlugin } from "@clusterio/web_ui/vite.mjs";
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export default defineConfig({
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plugins: [clusterioPlugin()],
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});
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```
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In `package.json` replace `webpack-cli --mode production` in the `prepare` script with `vite build`, and replace the `webpack`, `webpack-cli` and `webpack-merge` dev dependencies with `vite`.
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Add `vite.config.js` to `.npmignore` if you had `webpack.config.js` there.
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`clusterioPlugin` exposes `index.ts` (or `index.js`) as `"./"`, `package.json` as `"./package.json"` and `web/index.tsx` (or `.ts`, `.jsx`, `.js`) as `"./web"`.
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These are the same keys the plugin template used with webpack, so `webEntrypoint: "./web"` stays as it is.
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If your webpack config exposed other paths, move the code so it is reachable from `web/index.tsx`.
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The web interface provides `@clusterio/lib`, `@clusterio/web_ui`, `@sinclair/typebox`, `antd`, `react`, `react-dom`, `react-router` and `react-router-dom` to plugins.
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These are left as imports in the plugin bundle and resolved by the browser, there is no need to list them as shared.
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Everything else is bundled into the plugin, including `@ant-design/icons`.
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Import `react-dom/client` and `react/jsx-runtime` by those names, other subpaths of the shared packages are bundled as a separate copy.
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Imports of `assert`, `buffer`, `events`, `os`, `path`, `process`, `stream`, `util` and `zlib` resolve to the same browser packages as before, provided by `@clusterio/web_ui`.
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The `container` property of `WebPluginContext` is now the plugin's ES module namespace, `await container.get("./web")` returns the module instead of a factory function.
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`lib.PluginWebpackEnvInfo` is renamed to `lib.PluginWebEnvInfo`.
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