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Pure ESM package

The package linked to from here is now pure ESM. It cannot be require()'d from CommonJS.

This means you have the following choices:

1. Use ESM yourself. (preferred)
   Use import foo from 'foo' instead of const foo = require('foo') to import the package. You also need to put "type": "module" in your package.json and more. Follow the below guide.
2. If the package is used in an async context, you could use await import(…) from CommonJS instead of require(…).
3. Stay on the existing version of the package until you can move to ESM.

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const { promisify } = require("util");

const sleep = promisify(setTimeout);

const doSomething = async (arg) => {
  console.log(`doing something with ${arg}`);
  await sleep(1000);
  if (arg === 5) throw Error("bummer!");
  console.log(`done something with ${arg}`);
  return arg * 10;

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const { promisify } = require("util");

const sleep = promisify(setTimeout);

const doSomething = async (arg) => {
  console.log(`doing something with ${arg}`);
  await sleep(1000);
  if (arg === 5) throw Error("bummer!");
  console.log(`done something with ${arg}`);
  return arg * 10;

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const { Queue, sleep } = require("modern-async");

const queue = new Queue(3); // create a queue with concurrency 3

async function main() {
  const array = Array.from(Array(30).keys()); // an array of 100 numbers from 0 to 99

  const promises = [];
  for (const i of array) {
    promises.push(

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const fastq = require("fastq");

// sleep function
function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

// worker function
async function worker(arg) {
  console.log(`working on task ${arg}`);

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import {
  ApolloServerPlugin,
  GraphQLRequestContext,
  GraphQLRequestListener,
  GraphQLServiceContext,
  GraphQLResponse,
} from 'apollo-server-plugin-base';
import {
  ApolloError,
  AuthenticationError,

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import * as AWS from 'aws-sdk';
import {GetObjectRequest, ListObjectsV2Request} from 'aws-sdk/clients/s3';

// basic aws configuration stuff
AWS.config.update({
  region: 'ap-southeast-2',
});

// using this interface to store all the keys
interface S3Key {

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" URL: http://vim.wikia.com/wiki/Example_vimrc
" Authors: http://vim.wikia.com/wiki/Vim_on_Freenode
" Description: A minimal, but feature rich, example .vimrc. If you are a
"              newbie, basing your first .vimrc on this file is a good choice.
"              If you're a more advanced user, building your own .vimrc based
"              on this file is still a good idea.
 
"------------------------------------------------------------
" Features
"

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function timeout(timeInMs, wontDo) {
  return new Promise((resolve, reject) => {
    if (wontDo === true) {
      reject(Error("I wont do!"));
    }
    setTimeout(resolve(`timeout finished ${timeInMs}`), timeInMs);
  });
}

async function A() {

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Cool Tools

React libraries

• https://github.com/clauderic/react-sortable-hoc
• https://kyleamathews.github.io/react-headroom/
• https://github.com/Stanko/react-animate-height
• https://github.com/jscottsmith/react-scroll-parallax
• https://github.com/chenglou/react-motion
• https://react-hook-form.com/form-builder/ (form builder)
• https://github.com/maxmarinich/react-alice-carousel