Firebase CLI インストール
$ npm install -g firebase-tools
Firebase ログイン
$ firebase login
Firebase Cloud Functions
$ firebase init functions
ESLintパッケージ インストール
$ npm install --save-dev eslint @typescript-eslint/eslint-plugin @typescript-eslint/parser prettier eslint-config-prettier eslint-plugin-prettier
.eslintrc.json
.eslintrc.json
{
"extends": [
"eslint:recommended",
"plugin:@typescript-eslint/eslint-recommended",
"plugin:@typescript-eslint/recommended",
"plugin:prettier/recommended",
"prettier/@typescript-eslint"
],
"plugins": [
"@typescript-eslint"
],
"env": { "node": true, "es6": true },
"parser": "@typescript-eslint/parser",
"parserOptions": {
"sourceType": "module",
"project": "./tsconfig.json"
},
"rules": {
}
}
Linter 実行
$ npm run lint:fix
$ npm run lint
onUpdate関数
index.ts
import * as functions from "firebase-functions";
import * as admin from "firebase-admin";
/**
cloudFirestore 設定
*/
admin.initializeApp(functions.config().firebase);
const f = functions.region("us-central1");
/**
onUpdate関数 設定
*/
export const onUpdate =
f.firestore.document("test/test1")
.onUpdate(async (change, context) => {
const data = change.after.data();
const sample = data.sample;
const ansRef = sample.replace(/\r?\n/g, "");
return change.after.ref.set({
sample: ansRef,
}, {merge: true});
});
デプロイ
$ npm run deploy