firebase init
functions/package.json
"devDependencies": { "tslint": "^5.8.0", "typescript": "^2.6.2" },
"scripts": { "lint": "./node_modules/.bin/tslint -p tslint.json", "build": "./node_modules/.bin/tsc", ... }
npm run lint
npm run build
firebase.json
{ "functions": { "predeploy": [ "npm --prefix $RESOURCE_DIR run lint", "npm --prefix $RESOURCE_DIR run build" ] } }
functions/tsconfig.json
{ "compilerOptions": { "lib": ["es6"], "module": "commonjs", "noImplicitReturns": true, "outDir": "lib", "sourceMap": true, "target": "es6" }, "compileOnSave": true, "include": [ "src" ] }
functions/src
functions/lib
functions/tslint.json
true
createdAt
export const onUserCreate = functions.database.ref('/users/{uid}').onCreate(event => { event.data.ref.update({ createdAt: Date.now() }) })
Promises must be handled appropriately
event.data.ref.update
export const onUserCreate = functions.database.ref('/users/{uid}').onCreate(event => { return event.data.ref.update({ createdAt: Date.now() }) })
async
await
export const onUserCreate = functions.database.ref('/users/{uid}').onCreate(async event => { await event.data.ref.update({ createdAt: Date.now() }) })
export const getUser = functions.https.onRequest((req, res) => { var uid = req.params.uid const doc = admin.firestore().doc(`users/${uid}`) doc.get().then(doc => { res.send(doc.data()) }).catch(error => { res.status(500).send(error) }) })
var
uid
doc
const
then()
export const getUser = functions.https.onRequest((req, res) => { const uid = req.params.uid const doc = admin.firestore().doc(`users/${uid}`) doc.get().then(snapshot => { res.send(snapshot.data()) }).catch(error => { res.status(500).send(error) }) })
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