ojhaujjwal

Layer Cheat Sheet — Effect v4

Type-safe dependency injection.

Service Tags

Function-style:

const Foo = Context.Service<{
  readonly bar: Effect.Effect<number>

ojhaujjwal

try {
  const doc = await s3.getObject();
} catch (err) {
   // error is any or unknown
   if (err instanceof ObjectNotFoundError) {
     // TODO: handle error
   }
}

ojhaujjwal

import { reduceMap } from './reduce-map';

describe('reduceMap', () => {
  const sumValueAndSubtractKey = (result: number, value: number, key: number) => result + value - key;

  it('should return initial value for empty map', () => {
    expect(
      reduceMap(
        new Map(),
        sumValueAndSubtractKey,

ojhaujjwal

import { Controller, ControllerOptions } from '@nestjs/common';
import { join } from 'path';
import { AuthenticationGuard,  AccessControlGuard } from 'app/guards';

expose function AdminController(options: ControllerOptions) {
  return function (target: Function) {
    Controller(join('/admin', options.path))(target);
    AuthenticationGuard()(target);
    AccessControlGuard({ role: 'admin' })(target);
  };

ojhaujjwal

@AdminController(options) {
  @Controller({ path: '/admin' + options.path })
  @AuthenticationGuard()
  @AccessControlGuard({ role: 'admin' }) 
}

ojhaujjwal

import { Controller, Get } from '@nestjs/common';
import { AdminController,  AccessControlGuard } from 'app/decorators';

@AdminController({ path: '/dashboard' })
export class AdminDashboardController {
  @Get()
  index(): string {
    return 'dashboard data for admin';
  }
}

ojhaujjwal

import { Controller, Get } from '@nestjs/common';
import { AuthenticationGuard,  AccessControlGuard } from 'app/decorators';

@Controller({ path: '/admin/dashboard' })
@AuthenticationGuard()
@AccessControlGuard({ role: 'admin' })
export class AdminDashboardController {
  @Get()
  index(): string {
    return 'dashboard data for admin';

ojhaujjwal

import { Controller, Get } from '@nestjs/common';

@Controller('/cats')
export class CatsController {
  @Get()
  findAll(): string {
    return 'This action returns all cats';
  }
}

ojhaujjwal

resource "google_cloud_run_service_iam_binding" "binding" {
  location = google_cloud_run_service.nodejs_app.location
  service = google_cloud_run_service.nodejs_app.name
  role = "roles/run.invoker"
  members = [
    "allUsers",
  ]
}

ojhaujjwal

variable "app_name" {
  type=string
}

variable "image_tag" { type=string }

resource "google_cloud_run_service" "nodejs_app" {
  name     = var.app_name
  location = "us-central1"