Run Prettier and TSLint in the CI

.travis.yml

@@ -1,3 +1,12 @@
+cache: npm
+jobs:
+  include:
+    - name: lint
+      script: npm run lint
+      stage: verify
+    - name: format
+      script: npm run format
+      stage: verify
 language: node_js
 node_js:
   - '8'

integration_test/functions/src/database-tests.ts

@@ -50,9 +50,7 @@ export const databaseTests: any = functions.database
       .it('should have refs resources', (change, context) =>
         expectEq(
           context.resource.name,
-          `projects/_/instances/${process.env.GCLOUD_PROJECT}/refs/dbTests/${
-            context.params.testId
-          }/start`
+          `projects/_/instances/${process.env.GCLOUD_PROJECT}/refs/dbTests/${context.params.testId}/start`
         )
       )
 

integration_test/functions/src/firestore-tests.ts

@@ -22,9 +22,7 @@ export const firestoreTests: any = functions
       .it('should have well-formatted resource', (snap, context) =>
         expectEq(
           context.resource.name,
-          `projects/${
-            process.env.GCLOUD_PROJECT
-          }/databases/(default)/documents/tests/${context.params.documentId}`
+          `projects/${process.env.GCLOUD_PROJECT}/databases/(default)/documents/tests/${context.params.documentId}`
         )
       )
 

integration_test/functions/src/index.ts

@@ -52,9 +52,7 @@ function callScheduleTrigger(functionName: string, region: string) {
       {
         method: 'POST',
         host: 'cloudscheduler.googleapis.com',
-        path: `projects/${
-          firebaseConfig.projectId
-        }/locations/us-central1/jobs/firebase-schedule-${functionName}-${region}:run`,
+        path: `projects/${firebaseConfig.projectId}/locations/us-central1/jobs/firebase-schedule-${functionName}-${region}:run`,
         headers: {
           'Content-Type': 'application/json',
         },
@@ -199,9 +197,7 @@ export const integrationTests: any = functions
         resp
           .status(500)
           .send(
-            `FAIL - details at https://${
-              process.env.GCLOUD_PROJECT
-            }.firebaseio.com/testRuns/${testId}`
+            `FAIL - details at https://${process.env.GCLOUD_PROJECT}.firebaseio.com/testRuns/${testId}`
           );
       });
   });

package.json

@@ -24,9 +24,10 @@
     "build:pack": "rm -rf lib && npm install && tsc -p tsconfig.release.json && npm pack",
     "build:release": "npm install --production && npm install typescript firebase-admin && tsc -p tsconfig.release.json",
     "build": "tsc -p tsconfig.release.json",
-    "format": "prettier --write '**/*.ts'",
-    "lint": "tslint --project tsconfig.json --config tslint.json",
-    "posttest": "npm run format",
+    "format": "prettier --check '**/*.ts'",
+    "format:fix": "prettier --write '**/*.ts'",
+    "lint": "tslint --config tslint.json --project tsconfig.json ",
+    "lint:fix": "tslint --config tslint.json --fix --project tsconfig.json",
     "test": "mocha -r ts-node/register ./spec/index.spec.ts"
   },
   "dependencies": {
@@ -58,6 +59,7 @@
     "sinon": "^7.3.2",
     "ts-node": "^8.2.0",
     "tslint": "^5.17.0",
+    "tslint-config-prettier": "^1.18.0",
     "tslint-no-unused-expression-chai": "^0.1.4",
     "tslint-plugin-prettier": "^2.0.0",
     "typescript": "^3.5.1"

spec/providers/auth.spec.ts

@@ -23,10 +23,10 @@
 import { expect } from 'chai';
 import * as firebase from 'firebase-admin';
 
+import { Resolver } from 'dns';
 import { CloudFunction, Event, EventContext } from '../../src/cloud-functions';
 import * as functions from '../../src/index';
 import * as auth from '../../src/providers/auth';
-import { Resolver } from 'dns';
 
 describe('Auth Functions', () => {
   const event: Event = {

src/apps.ts

@@ -20,8 +20,8 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
-import * as _ from 'lodash';
 import * as firebase from 'firebase-admin';
+import * as _ from 'lodash';
 import { firebaseConfig } from './config';
 
 export function apps(): apps.Apps {
@@ -65,7 +65,7 @@ export namespace apps {
 
     _appAlive(appName: string): boolean {
       try {
-        let app = firebase.app(appName);
+        const app = firebase.app(appName);
         return !_.get(app, 'isDeleted_');
       } catch (e) {
         return false;
@@ -83,15 +83,15 @@ export namespace apps {
     }
 
     retain() {
-      let increment = (n?: number) => {
+      const increment = (n?: number) => {
         return (n || 0) + 1;
       };
       // Increment counter for admin because function might use event.data.ref
       _.update(this._refCounter, '__admin__', increment);
     }
 
     release() {
-      let decrement = (n: number) => {
+      const decrement = (n: number) => {
         return n - 1;
       };
       return delay(garbageCollectionInterval).then(() => {

src/cloud-functions.ts

@@ -127,8 +127,8 @@ export namespace Change {
     after: any,
     fieldMask: string
   ) {
-    let before = _.assign({}, after);
-    let masks = fieldMask.split(',');
+    const before = _.assign({}, after);
+    const masks = fieldMask.split(',');
     _.forEach(masks, (mask) => {
       const val = _.get(sparseBefore, mask);
       if (typeof val === 'undefined') {
@@ -239,17 +239,17 @@ export function makeCloudFunction<EventData>({
   opts = {},
   labels = {},
 }: MakeCloudFunctionArgs<EventData>): CloudFunction<EventData> {
-  let cloudFunction: any = (data: any, context: any) => {
+  const cloudFunction: any = (data: any, context: any) => {
     if (legacyEventType && context.eventType === legacyEventType) {
       // v1beta1 event flow has different format for context, transform them to new format.
       context.eventType = provider + '.' + eventType;
       context.resource = {
-        service: service,
+        service,
         name: context.resource,
       };
     }
 
-    let event: Event = {
+    const event: Event = {
       data,
       context,
     };
@@ -305,7 +305,7 @@ export function makeCloudFunction<EventData>({
         return {};
       }
 
-      let trigger: any = _.assign(optsToTrigger(opts), {
+      const trigger: any = _.assign(optsToTrigger(opts), {
         eventTrigger: {
           resource: triggerResource(),
           eventType: legacyEventType || provider + '.' + eventType,
@@ -335,15 +335,15 @@ function _makeParams(
     // In unit testing, `resource` may be unpopulated for a test event.
     return {};
   }
-  let triggerResource = triggerResourceGetter();
-  let wildcards = triggerResource.match(WILDCARD_REGEX);
-  let params: { [option: string]: any } = {};
+  const triggerResource = triggerResourceGetter();
+  const wildcards = triggerResource.match(WILDCARD_REGEX);
+  const params: { [option: string]: any } = {};
   if (wildcards) {
-    let triggerResourceParts = _.split(triggerResource, '/');
-    let eventResourceParts = _.split(context.resource.name, '/');
+    const triggerResourceParts = _.split(triggerResource, '/');
+    const eventResourceParts = _.split(context.resource.name, '/');
     _.forEach(wildcards, (wildcard) => {
-      let wildcardNoBraces = wildcard.slice(1, -1);
-      let position = _.indexOf(triggerResourceParts, wildcard);
+      const wildcardNoBraces = wildcard.slice(1, -1);
+      const position = _.indexOf(triggerResourceParts, wildcard);
       params[wildcardNoBraces] = eventResourceParts[position];
     });
   }
@@ -371,7 +371,7 @@ function _detectAuthType(event: Event) {
 }
 
 export function optsToTrigger(opts: DeploymentOptions) {
-  let trigger: any = {};
+  const trigger: any = {};
   if (opts.regions) {
     trigger.regions = opts.regions;
   }

src/config.ts

@@ -32,7 +32,9 @@ export function config(): config.Config {
 export namespace config {
   // Config type is usable as a object (dot notation allowed), and firebase
   // property will also code complete.
-  export type Config = { [key: string]: any };
+  export interface Config {
+    [key: string]: any;
+  }
 
   /** @internal */
   export let singleton: config.Config;
@@ -81,7 +83,7 @@ function init() {
   }
 
   try {
-    let path =
+    const path =
       process.env.CLOUD_RUNTIME_CONFIG || '../../../.runtimeconfig.json';
     const parsed = require(path);
     delete parsed.firebase;

src/encoder.ts

@@ -24,8 +24,8 @@ export function dateToTimestampProto(timeString?: string) {
   if (typeof timeString === 'undefined') {
     return;
   }
-  let date = new Date(timeString);
-  let seconds = Math.floor(date.getTime() / 1000);
+  const date = new Date(timeString);
+  const seconds = Math.floor(date.getTime() / 1000);
   let nanos = 0;
   if (timeString.length > 20) {
     const nanoString = timeString.substring(20, timeString.length - 1);

src/function-builder.ts

@@ -20,9 +20,10 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
-import * as _ from 'lodash';
 import * as express from 'express';
+import * as _ from 'lodash';
 
+import { CloudFunction, EventContext, Schedule } from './cloud-functions';
 import * as analytics from './providers/analytics';
 import * as auth from './providers/auth';
 import * as crashlytics from './providers/crashlytics';
@@ -32,7 +33,6 @@ import * as https from './providers/https';
 import * as pubsub from './providers/pubsub';
 import * as remoteConfig from './providers/remoteConfig';
 import * as storage from './providers/storage';
-import { CloudFunction, EventContext, Schedule } from './cloud-functions';
 
 /**
  * List of all regions supported by Cloud Functions.

src/handler-builder.ts

@@ -23,6 +23,7 @@
 import * as express from 'express';
 
 import { apps } from './apps';
+import { CloudFunction, EventContext, HttpsFunction } from './cloud-functions';
 import * as analytics from './providers/analytics';
 import * as auth from './providers/auth';
 import * as crashlytics from './providers/crashlytics';
@@ -32,7 +33,6 @@ import * as https from './providers/https';
 import * as pubsub from './providers/pubsub';
 import * as remoteConfig from './providers/remoteConfig';
 import * as storage from './providers/storage';
-import { CloudFunction, EventContext, HttpsFunction } from './cloud-functions';
 
 export class HandlerBuilder {
   constructor() {}

src/index.ts

@@ -25,17 +25,17 @@ import * as analytics from './providers/analytics';
 import * as auth from './providers/auth';
 
 import * as apps from './apps';
+import { handler } from './handler-builder';
 import * as crashlytics from './providers/crashlytics';
 import * as database from './providers/database';
 import * as firestore from './providers/firestore';
 import * as https from './providers/https';
 import * as pubsub from './providers/pubsub';
 import * as remoteConfig from './providers/remoteConfig';
 import * as storage from './providers/storage';
-import { handler } from './handler-builder';
 import { setup } from './setup';
 
-var app = apps.apps();
+const app = apps.apps();
 
 export {
   analytics,

src/providers/analytics.ts

@@ -23,10 +23,10 @@
 import * as _ from 'lodash';
 
 import {
-  makeCloudFunction,
   CloudFunction,
   Event,
   EventContext,
+  makeCloudFunction,
 } from '../cloud-functions';
 import { DeploymentOptions } from '../function-builder';
 
@@ -141,7 +141,7 @@ export class AnalyticsEvent {
     this.params = {}; // In case of absent field, show empty (not absent) map.
     if (wireFormat.eventDim && wireFormat.eventDim.length > 0) {
       // If there's an eventDim, there'll always be exactly one.
-      let eventDim = wireFormat.eventDim[0];
+      const eventDim = wireFormat.eventDim[0];
       copyField(eventDim, this, 'name');
       copyField(eventDim, this, 'params', (p) => _.mapValues(p, unwrapValue));
       copyFieldTo(eventDim, this, 'valueInUsd', 'valueInUSD');
@@ -415,7 +415,7 @@ function copyField<T, K extends keyof T>(
 }
 
 function copyFields<T, K extends keyof T>(from: any, to: T, fields: K[]): void {
-  for (let field of fields) {
+  for (const field of fields) {
     copyField(from, to, field);
   }
 }
@@ -450,7 +450,7 @@ function copyFields<T, K extends keyof T>(from: any, to: T, fields: K[]): void {
 // method always returns a string, similarly to avoid loss of precision, unlike the less-conservative
 // 'unwrapValue' method just below.
 function unwrapValueAsString(wrapped: any): string {
-  let key: string = _.keys(wrapped)[0];
+  const key: string = _.keys(wrapped)[0];
   return _.toString(wrapped[key]);
 }
 // Ditto as the method above, but returning the values in the idiomatic JavaScript type (string for strings,
@@ -468,8 +468,8 @@ function unwrapValueAsString(wrapped: any): string {
 // in precision for int64 fields, so use with care.
 const xValueNumberFields = ['intValue', 'floatValue', 'doubleValue'];
 function unwrapValue(wrapped: any): any {
-  let key: string = _.keys(wrapped)[0];
-  let value: string = unwrapValueAsString(wrapped);
+  const key: string = _.keys(wrapped)[0];
+  const value: string = unwrapValueAsString(wrapped);
   return _.includes(xValueNumberFields, key) ? _.toNumber(value) : value;
 }
 
@@ -483,7 +483,7 @@ function copyTimestampToMillis<T, K extends keyof T>(
   toName: K
 ) {
   if (from[fromName] !== undefined) {
-    to[toName] = <any>_.round(from[fromName] / 1000);
+    to[toName] = _.round(from[fromName] / 1000) as any;
   }
 }
 
@@ -497,6 +497,6 @@ function copyTimestampToString<T, K extends keyof T>(
   toName: K
 ) {
   if (from[fromName] !== undefined) {
-    to[toName] = <any>new Date(from[fromName] / 1000).toISOString();
+    to[toName] = new Date(from[fromName] / 1000).toISOString() as any;
   }
 }

src/providers/auth.ts

@@ -20,14 +20,14 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
+import * as firebase from 'firebase-admin';
+import * as _ from 'lodash';
 import {
-  makeCloudFunction,
   CloudFunction,
-  EventContext,
   Event,
+  EventContext,
+  makeCloudFunction,
 } from '../cloud-functions';
-import * as firebase from 'firebase-admin';
-import * as _ from 'lodash';
 import { DeploymentOptions } from '../function-builder';
 
 /** @internal */
@@ -120,7 +120,7 @@ export function userRecordConstructor(
   wireData: Object
 ): firebase.auth.UserRecord {
   // Falsey values from the wire format proto get lost when converted to JSON, this adds them back.
-  let falseyValues: any = {
+  const falseyValues: any = {
     email: null,
     emailVerified: false,
     displayName: null,
@@ -133,9 +133,9 @@ export function userRecordConstructor(
     passwordHash: null,
     tokensValidAfterTime: null,
   };
-  let record = _.assign({}, falseyValues, wireData);
+  const record = _.assign({}, falseyValues, wireData);
 
-  let meta = _.get(record, 'metadata');
+  const meta = _.get(record, 'metadata');
   if (meta) {
     _.set(
       record,