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feat: add unused locales
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‎.github/renovate.json

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{
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"$schema": "https://docs.renovatebot.com/renovate-schema.json",
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‎eslint.config.mjs

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'import/no-relative-packages': 'off',
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},
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},
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{
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files: ['packages/unused-i18n/**/*.ts'],
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rules: {
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'no-console': 'off',
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'no-cond-assign': 'off',
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},
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},
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]

‎packages/unused-i18n/.eslintrc.json

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{
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"rules": {
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"no-console": "off"
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}
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}

‎packages/unused-i18n/.npmignore

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**/__tests__/**
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examples/
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src
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.eslintrc.cjs
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!.npmignore

‎packages/unused-i18n/README.md

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# Unused i18n
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Simplifies managing and cleaning up unused translation keys in localization files
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## Features
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- Analyzes source files to identify used and unused translation keys.
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- Supports multiple scoped translation functions.
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- Can display or remove unused translation keys.
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- Configurable through a JSON, CJS, or JS config file.
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## Installation
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You can install `unused-i18n` via npm:
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```sh
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npm install -g unused-i18n
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or
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npm install -D unused-i18n
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```
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## Configuration
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Create a unused-i18n.config.json or unused-i18n.config.js file in the root of your project. Here's an example configuration:
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```cjs
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module.exports = {
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paths: [
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{
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srcPath: ['src/pages/products'],
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localPath: 'src/pages/products/locales',
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},
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],
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localesExtensions: 'ts',
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localesNames: 'en',
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scopedNames: ['scopedT', 'scopedTOne'],
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ignorePaths: ['src/pages/products/ignoreThisFolder'],
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excludeKey: ['someKey'],
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}
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```
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| Option | Type | Default | Required | Description |
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| ------------------- | ---------------- | ------- | -------- | ---------------------------------------------------------------------------- |
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| `paths` | Array of Objects | `[]` | Yes | An array of objects defining the source paths and local paths to be checked. |
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| `paths.srcPath` | Array of Strings | `[]` | Yes | Source paths to search for translations. |
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| `paths.localPath` | Strings | `""` | Yes | Path to the translation files. |
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| `localesExtensions` | String | `js` | No | Extension of the locale files. |
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| `localesNames` | String | `en` | No | Name of the locale files without the extension. |
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| `scopedNames` | Array of Strings | `[]` | No | Names of the scoped translation functions used in your project. |
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| `ignorePaths` | Array of Strings | `[]` | No | Paths to be ignored during the search. |
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| `excludeKey` | Array of Strings | `[]` | No | Specific translation keys to be excluded from the removal process. |
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## Usage
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### Using with Config File
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To use unused-i18n with your config file, simply run:
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```sh
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npx unused-i18n display
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```
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### Using with Command Line Options
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You can also specify the source and local paths directly in the command line:
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##### Display Unused Translations
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```sh
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npx unused-i18n display --srcPath="src/folders/bla" --localPath="src/folders/bla/locales"
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```
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##### Remove Unused Translations
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```sh
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npx unused-i18n remove --srcPath="src/folders/bla" --localPath="src/folders/bla/locales"
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```
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## API
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`processTranslations(paths, action)`
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Processes translations based on the specified paths and action.
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- paths: Array of objects containing srcPath and localPath.
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- action: Action to perform, either 'display' or 'remove'.
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## Development
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### Building the Project
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To build the project, run:
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```sh
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npm run build
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```
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#### Running Tests
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To run the tests, use:
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```sh
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npm run test
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```
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## License
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This project is licensed under the MIT License - see the [LICENSE](https://github.com/Lawndlwd/unused-i18n/blob/HEAD/LICENSE) file for details.
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## Contributing
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Contributions are welcome! Please open an issue or submit a pull request if you have any improvements or suggestions.
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Acknowledgements
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- [Vite](https://vitejs.dev/) - Next Generation Frontend Tooling.
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- [TypeScript](https://www.typescriptlang.org/) - Typed JavaScript used in this project.
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- [Vitest](https://vitest.dev/guide/cli) - Testing framework used in this project.
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- [Commander](https://github.com/tj/commander.js#readme) - Node.js command-line interfaces.

‎packages/unused-i18n/package.json

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{
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"name": "unused-i18n",
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"version": "0.2.0",
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"description": "React provider to handle website end user consent cookie storage based on segment integrations",
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"type": "module",
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"main": "dist/cli.cjs",
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"types": "dist/index.d.ts",
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"bin": {
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"unused-i18n": "dist/cli.cjs"
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},
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"files": [
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"dist"
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],
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"publishConfig": {
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"access": "public"
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},
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"scripts": {
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"prebuild": "shx rm -rf dist",
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"build": "vite build --config vite.config.ts && pnpm run type:generate",
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"type:generate": "tsc --declaration -p tsconfig.build.json",
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"typecheck": "tsc --noEmit",
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"release": "pnpm build && pnpm changeset publish",
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"coverage": "vitest run --coverage",
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"lint": "eslint --report-unused-disable-directives --cache --cache-strategy content --ext ts,tsx .",
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"test:unit": "vitest --run --config vite.config.ts",
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"test:unit:coverage": "pnpm test:unit --coverage"
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},
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"repository": {
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"type": "git",
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"url": "https://github.com/scaleway/scaleway-lib",
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"directory": "packages/unused-i18n"
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},
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"dependencies": {
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"commander": "12.1.0",
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"esbuild": "0.24.2"
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},
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"keywords": [
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"i18n",
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"unused-i18n",
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"i18n-unused",
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"locales",
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"next-international",
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"internationalization",
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"translate",
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"next"
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],
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"engines": {
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"node": ">=22.x",
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"pnpm": ">=9.x"
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}
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}

‎packages/unused-i18n/src/cli.ts

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import { Command } from 'commander'
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import { processTranslations } from './index'
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const program = new Command()
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program
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.command('display')
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.description('Display missing translations')
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.option('--srcPath path', 'Source path to search for translations')
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.option('--localPath path', 'Local path to the translation files')
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.action(async (options: { srcPath?: string; localPath?: string }) => {
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const paths =
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options.srcPath && options.localPath
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? [{ srcPath: [options.srcPath], localPath: options.localPath }]
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: undefined
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await processTranslations({ paths, action: 'display' })
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})
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program
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.command('remove')
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.description('Remove unused translations')
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.option('--srcPath path', 'Source path to search for translations')
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.option('--localPath path', 'Local path to the translation files')
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.action(async (options: { srcPath?: string; localPath?: string }) => {
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const paths =
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options.srcPath && options.localPath
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? [{ srcPath: [options.srcPath], localPath: options.localPath }]
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: undefined
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await processTranslations({ paths, action: 'remove' })
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})
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program.parse(process.argv)

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