Dan DitomasoandGitHub
1c13343e8a
* feat: add monorepo support * fix: correct relatedProjects structure in vercel.json * update github actions with monorepo support * removed legacy dep * moved jsr config into web package
112 lines
3.5 KiB
Markdown
112 lines
3.5 KiB
Markdown
# i18n Developer Guide
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When developing new components, all user-facing text must be added as an i18n
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key and rendered using our translation functions. This ensures your UI can be
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translated into multiple languages.
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## Adding New i18n Keys
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### Search Before Creating
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Before adding a new key, please perform a quick search to see if one that fits
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your needs already exists. Many common labels like "Save," "Cancel," "Name,"
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"Description," "Loading...," or "Error" are likely already present, especially
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in the common.json namespace. Reusing existing keys prevents duplication and
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ensures consistency across the application. Using your code editor's search
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function across the /i18n/locales/en/ directory is an effective way to do this.
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### Key Naming and Structure Rules
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To maintain consistency and ease of use, please adhere to the following rules
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when creating new keys in the JSON files.
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- **Keys are camelCase:** `exampleKey`, `anotherExampleKey`.
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- **Avoid Deep Nesting:** One or two levels of nesting are acceptable for
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grouping related keys (e.g., all labels for a specific menu). However, nesting
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deeper than two levels should be avoided to maintain readability and ease of
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use.
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- **Good (1 level):**
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```json
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"buttons": {
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"save": "Save",
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"cancel": "Cancel"
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}
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```
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- **Acceptable (2 levels):**
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```json
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"userMenu": {
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"items": {
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"profile": "Profile",
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"settings": "Settings"
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}
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}
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```
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- **Avoid (3+ levels):**
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```json
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"userMenu": {
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"items": {
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"actions": {
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"viewProfile": "View Profile"
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}
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}
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}
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```
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- **Organize for Retrieval, Not UI Layout:** Keys should be named logically for
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easy retrieval, not to mirror the layout of your component.
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### Namespace Rules
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We use namespaces to organize keys. All source keys are added to the English
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(`en`) files located at `/i18n/locales/en/`. Place your new keys in the
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appropriate file based on these rules:
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- `common.json`:
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- All button labels (`save`, `cancel`, `submit`, etc.).
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- Any text that is repeated and used throughout the application (e.g.,
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"Loading...", "Error").
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- `ui.json`:
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- Labels and text specific to a distinct UI element or view that isn't a
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dialog or a config page.
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- `dialog.json`:
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- All text specific to modal dialogs (titles, body text, prompts).
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- `messages.json`:
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- Text specifically related to the messaging interface.
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- `deviceConfig.json` & `moduleConfig.json`:
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- Labels and descriptions for the settings on the Device and Module
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configuration pages.
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## Using i18n Keys in Components
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We use the `useTranslation` hook from `react-i18next` to access the translation
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function, `t`.
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### Default Namespaces
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Our i18next configuration has fallback namespaces configured which includes
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`common`, `ui`, and `dialog`. This means you **do not** need to explicitly
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specify these namespaces when calling the hook. The system will automatically
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check these files for your key.
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For any keys in `common.json`, `ui.json`, or `dialog.json`, you can instantiate
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the hook simply:
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```typescript
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import { useTranslation } from "react-i18next";
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// In your component
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const { t } = useTranslation(["messages"]);
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// Usage
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return <p>{t("someMessageLabel")}</p>;
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```
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You can also specify the namespace on a per-call basis using the options object.
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This is useful if a component primarily uses a default namespace but needs a
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single key from another.
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```typescript
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const { t } = useTranslation();
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return <p>{t("someMessageLabel", { ns: "messages" })}</p>;
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```
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