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https://github.com/pixari/vue-i18n-extract
Manage vue-i18n localization with static analysis
https://github.com/pixari/vue-i18n-extract
hacktoberfest i18n internationalization internationalization-plugin javascript nodejs vue vue-i18n
Last synced: about 1 month ago
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Manage vue-i18n localization with static analysis
- Host: GitHub
- URL: https://github.com/pixari/vue-i18n-extract
- Owner: Spittal
- License: mit
- Created: 2019-01-21T00:25:40.000Z (over 5 years ago)
- Default Branch: main
- Last Pushed: 2023-07-19T14:13:04.000Z (about 1 year ago)
- Last Synced: 2024-05-29T11:22:29.986Z (3 months ago)
- Topics: hacktoberfest, i18n, internationalization, internationalization-plugin, javascript, nodejs, vue, vue-i18n
- Language: TypeScript
- Homepage: https://pixari.github.io/vue-i18n-extract/#what-is-it
- Size: 201 MB
- Stars: 291
- Watchers: 8
- Forks: 80
- Open Issues: 36
-
Metadata Files:
- Readme: README.md
- Contributing: .github/CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
`vue-i18n-extract` is built to work with your Vue.js projects using the library [vue-i18n](https://kazupon.github.io/vue-i18n/). It runs static analysis on your Vue.js source code looking for any `vue-i18n` usage, in order to:
- Report all **missing keys** in your language files.
- Report all **unused keys** in your language files.
- Optionally write every missing key into your language files.
## Content
- [Usage](#usage)
- [From the command line](#from-the-command-line)
- [As part of a project](#as-part-of-a-project)
- [As part of a Node.js script](#as-part-of-a-node.js-script)
- [Configuration](#configuration)
- [`vueFiles`](#vuefiles)
- [`languageFiles`](#languagefiles)
- [`output`](#output)
- [`add`](#add)
- [`remove`](#remove)
- [`ci`](#ci)
- [`separator`](#separator)
- [`exclude`](#exclude)
- [`noEmptyTranslation`](#noemptytranslation)
- [`missingtranslationstring`](#missingtranslationstring)
- [Supported `vue-i18n` Formats](#supported-vue-i18n-formats)
- [Why?](#why)
- [Contribution](#contribution)
- [License](#license)
## Usage
### From the command line
Run from the command line:
```sh
npx vue-i18n-extract report --vueFiles './path/to/source-files/**/*.?(js|vue)' --languageFiles './path/to/language-files/*.?(json|yml|yaml)'
```
### As part of a project
Install the package in your project:
```sh
npm install --save-dev vue-i18n-extract
```
Use it via an npm script in your `package.json` file:
```json
{
"scripts": {
"vue-i18n-extract": "vue-i18n-extract report --vueFiles './path/to/source-files/**/*.?(js|vue)' --languageFiles './path/to/language-files/*.?(json|yml|yaml|js)'"
}
}
```
Finally, run:
```sh
npm run vue-i18n-extract
```
This will print out a table of missing keys in your language files, as well as unused keys in your language files.
### As part of a Node.js script
Install the package in your project:
```sh
npm install --save-dev vue-i18n-extract
```
Import the module and use it like this:
```js
const VueI18NExtract = require('vue-i18n-extract');
const report = VueI18NExtract.createI18NReport({
vueFiles: './path/to/vue-files/**/*.?(js|vue)',
languageFiles: './path/to/language-files/*.?(json|yml|yaml|js)',
});
```
## Configuration
You can use the following configuration options via the vue-i18n-extract command line utility or a `vue-i18n-extract.config.js` configuration file.
You can generate a default configuration file using `npx vue-i18n-extract init` (it uses the following options: [`vue-i18n-extract.config.ts`](src/config-file/vue-i18n-extract.config.ts)). Once you have a configuration file, you can run `npx vue-i18n-extract`.
### `vueFiles`
* Name: `vueFiles`
* CLI argument: `--vue-files`, `--vueFiles`
* Required: Yes
* Type: `string`
* Description: A path to the directory of files from which you want to extract translation keys from. Can be a path to a file. Can include glob patterns (using [glob](https://www.npmjs.com/package/glob)). **Note for Windows users**: use forward slashes in paths.
* Examples:
* `./path/to/source-files/**/*.?(js|vue)`
* `./tests/fixtures/**/*.?(vue|js)`
### `languageFiles`
* Name: `languageFiles`
* CLI argument: `--language-files`, `--languageFiles`
* Required: Yes
* Type: `string`
* Description: The language file(s) you want to compare your source file(s) to. It can be a path to a folder or a file. Can include glob patterns (using [glob](https://www.npmjs.com/package/glob)). **Note for Windows users**: use forward slashes in paths.
* Examples:
* `./path/to/language-files/*.?(json|yml|yaml)`
* `./tests/fixtures/lang/**/*.json`
### `output`
* Name: `output`
* CLI argument: `--output`
* Required: No
* Default: — (no report is saved by default)
* Type: `string`
* Description: Saves a report in JSON format containing all missing and unused translation keys at the given file path (the directory must exist for this to work).
* Examples:
* `output.json`
### `add`
* Name: `add`
* CLI argument: `--add`
* Required: No
* Default: `false`
* Type: `boolean`
* Description: Adds missing translation keys to your language files.
### `remove`
* Name: `remove`
* CLI argument: `--remove`
* Required: No
* Default: `false`
* Type: `boolean`
* Description: Removes unused translation keys to your language files.
### `ci`
* Name: `ci`
* CLI argument: `--ci`
* Required: No
* Default: `false`
* Type: `boolean`
* Description: Causes the process to exit with exit code 1 if at least one translation key is missing or unused (useful if it is part of a CI pipeline).
### `separator`
* Name: `separator`
* CLI argument: `--separator`
* Required: No
* Default: `'.'`
* Type: `string`
* Description: Changes the default separator used in translation keys for nested translation paths.
### `exclude`
* Name: `exclude`
* CLI argument: `--exclude`
* Required: No
* Default: `[]`
* Type: `string` or array of `string`s
* Description: Excludes the provided translation keys from the report. When using sub segments of dot notation paths (e.g. `company.meta` in `company.meta.motto`), the entire node of the object indicated by the sub segment will be excluded.
* Examples:
* Configuration option: `exclude: ['translation_key_1', 'translation_key_2']`
* CLI argument: `--exclude translation_key_1 --exclude translation_key_2`
### `detect`
* Name: `detect`
* CLI argument: `--detect`
* Required: No
* Default: `['missing', 'unused', 'dynamic']`
* Type: `string` or array of `string`s
* Description: Defines what do detect (and include) in the report.
* Examples:
* Configuration option: `detect: ['missing', 'unused']`
* CLI argument: `--detect missing --detect unused`
### `noEmptyTranslation`
* Name: `noEmptyTranslation`
* CLI argument: `--no-empty-translation`, `--noEmptyTranslation`
* Required: No
* Default: `''`
* Type: `string`
* Description: Generates a default translation for each translation key with no translation. The default translation will be the translation key itself.
* Examples:
* `'*'`: Generate empty default translation for all locales.
* `'en'`: Generate empty default translation for locale `'en'`.
* `'en-US'`: Generate empty default translation for locale `'en-US'`.
### `missingTranslationString`
* Name: `missingTranslationString`
* CLI argument: `--missing-translation-string`, `--missingTranslationString`
* Required: No
* Default: `''`
* Type: `string` or `null`
* Description: Text to use when missing translations are added to the translation files.
* Examples:
* `'Translation missing'`: Use "Translation missing" as default key.
* `null`: Add the translation key to the file, but don't add a default translation. This will trigger `vue-i18n`'s the missingHandler.
## Supported `vue-i18n` Formats
- Static in template or script:
```js
// Single or double quote, and template literals
$t('key.static') $t("key.static") $t(`key.static`)
// Without dollar sign
t('key.static') t("key.static") t(`key.static`)
// $tc Support for use with plurals
$tc('key.static', 0) $tc("key.static", 1) $tc(`key.static`, 2)
// Without dollar sign
tc('key.static', 0) tc("key.static", 1) tc(`key.static`, 2)
```
- i18n component:
```html
```
> Note: As of right now there is no support for binding in a path like `:path="condition ? 'string1' : 'string2'"` there is just support for strings as shown above.
- i18n component in code:
```js
const TranslationComponentInCode = h(Translation, {
keypath: 'Translation component in code.',
tag: 'p',
});
```
- v-t directive with string literal:
```html
```
> Note: As of right now there is no object support to reference a path from component data.
## Why?
Setting up a Vue.js app with internationalization (i18n) support is easy nowadays: Once you have installed the plugin and injected into the Vue instance, you can just put `$t('Hello World')` inside Vue.js component templates to use the plugin.
However, in our personal experience we found it very difficult to keep the language files and the `.vue` files in sync.
That's why we wrote `vue-i18n-extract`. We needed a way to analyze and compare our language files to our Vue.js source files, then report the result in a useful way.
## Contribution
Please make sure to read the [Contributing Guide](.github/CONTRIBUTING.md) before making a pull request.
## License
[MIT](http://opensource.org/licenses/MIT)