Sleavely

import { expect, test } from 'vitest'
import myModule from './testable-env-instance'

test('defaults to env', () => {
  expect(myModule.token).toBe('INITIAL_TEST_VALUE')
})

test('env can be changed ondemand', () => {
  expect(myModule.token).toBe('INITIAL_TEST_VALUE')

Sleavely

<template>
  <div v-if="user.data">
    {{ user.data.name }}
  </div>
</template>

<script>
import getQuery from './queryManager'

export default {

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const SQS = require('aws-sdk/clients/sqs')

const {
  AWS_REGION = 'eu-west-1',
  MY_QUEUE_URL,
} = process.env

const sqs = new SQS({ region: AWS_REGION })

/**

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I ran in to some trouble when I wanted to use more explicit types than the APIGatewayProxyEventQueryStringParameters or APIGatewayProxyEventPathParameters ones tied to the base event, so I figured I'd give it a shot and jot it down for my own future reference.

Please leave a comment if you've got a cleaner idea 💌

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const ServerlessAWSCloudFormationSubVariables = require('serverless-cloudformation-sub-variables')

class ApiOrchestrator {
  constructor(serverless) {
    this.serverless = serverless

    // Register ${lambda:myFunctionKey} so that we can
    // refer to it from our Swagger/OpenAPI definition
    this.variableResolvers = {

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Open it in a fancy viewer here or locally with swagger-local:

$ swagger-local swagger.yaml

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const Gpio = require('onoff').Gpio;
const sleep = require('./sleep')

const motor = new Gpio(17, 'out')

// Run the motor connected to GPIO17 every 1000ms
let beltIsShuttingDown = false
const runBelt = async () => {
  if (beltIsShuttingDown) return

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This Lambda showcases how you can prohibit certain users from seeing or interacting with the environment variables of a Lambda.

Deployment assumes that you use aws cloudformation package followed by aws cloudformation deploy. Here's a suggested Makefile for allowing you to type make deploy. Note that the S3DEPLOYBUCKET and SECRET_PASSWORD variables need to be changed:

SECRET_PASSWORD    ?= pancakes
S3DEPLOYBUCKET      = my-s3-bucket

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const attributes = {
  // Attribute Keys are always localized
  'color': {
    name: {
      'en-US': 'Color',
      'sv-SE': 'Färg',
    },
  },
  'size': {

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// The original values have been redacted, but their general format remains for display purposes.
{
  AWS_ACCESS_KEY_ID: 'ASIA5USITABHEEWHMCOL',
  AWS_DEFAULT_REGION: 'eu-west-1',
  AWS_EXECUTION_ENV: 'AWS_Lambda_nodejs12.x',
  AWS_LAMBDA_FUNCTION_MEMORY_SIZE: '128',
  AWS_LAMBDA_FUNCTION_NAME: 'tmp1337',
  AWS_LAMBDA_FUNCTION_VERSION: '$LATEST',
  AWS_LAMBDA_LOG_GROUP_NAME: '/aws/lambda/tmp1337',
  AWS_LAMBDA_LOG_STREAM_NAME: '2020/01/14/[$LATEST]425d2a3419de4db38f86fc1896cc1cc1',