翻译文字
Made by Firebase
将写入 Cloud Firestore 集合的字符串翻译成多种语言（使用 Cloud Translation API）。
此扩展程序的运作方式
Use this extension to translate strings (for example, text messages) written to a Cloud Firestore collection.
This extension listens to your specified Cloud Firestore collection. If you add a string to a specified field in any document within that collection, this extension:
- Translates the string into your specified target language(s); the source language of the string is automatically detected.
- Adds the translation(s) of the string to a separate specified field in the same document.
You specify the desired target languages using ISO-639-1 codes. You can find a list of valid languages and their corresponding codes in the Cloud Translation API documentation .
If the original non-translated field of the document is updated, then the translations will be automatically updated, as well.
Multiple collections for translations
To translate multiple collections, install this extension multiple times, specifying a different collection path each time. There is currently no limit on how many instances of an extension you can install.
Multiple field translations
To translate multiple fields, store a map of input strings in the input field:
admin.firestore().collection('translations').add({
first: "My name is Bob",
second: "Hello, friend"
})
Multiple languages
To translate text into multiple languages, set the
languages
parameter to a comma-separated list
of languages, such as
en,fr,de
. See the
supported languages list
.
Additional setup
Before installing this extension, make sure that you've set up a Cloud Firestore database in your Firebase project.
Billing
To install an extension, your project must be on the Blaze (pay as you go) plan
- You will be charged a small amount (typically around $0.01/month) for the Firebase resources required by this extension (even if it is not used).
- This extension uses other Firebase and Google Cloud Platform services, which have associated charges if you exceed the service’s free tier:
- Cloud Translation API
- Cloud Firestore
- Cloud Functions (Node.js 10+ runtime. See FAQs )
如何安装此扩展程序
使用 Firebase CLI
要安装和管理扩展程序，您还可以使用 Firebase CLI：
步骤 1 ：运行以下 npm 命令来安装 CLI 或将 CLI 更新到最新版本。
npm install -g firebase-tools不能运行？请参阅 Firebase CLI 参考文档 或者更改您的 npm 权限 。
第 2 步 ： 设置一个新的 Firebase 项目目录 或转到现有目录
第 3 步 ：将此扩展程序添加到 扩展程序清单 中
firebase ext:install firebase/firestore-translate-text --local --project=projectId_or_alias
Step 4 (Optional): Test this extension locally with the Firebase Emulator Suite
firebase emulators:start
第 5 步 ：将清单中的扩展程序 部署 到项目中
firebase deploy --only extensions --project=projectId_or_alias