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unless Life.include?(:happines)
  raise WorldMismatchError
end

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const makeSmallArrays = count => [ ...(new Array(count)) ].map((_, i) => [i, i.toString()]);

// generate arrs
// a lot of small ones
const countSmall = 1000;
arrOfSmalls = makeSmallArrays(countSmall);

// cost of duplicating array

const fnConcat = arr => arr.concat();

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/*

  For my use only but happy to explain it to anyone interested:

  I'm not into use controlled components everywhere.
  Forms collects the values and submit does... well submit.
  Because of React twisted events (synthetic) this approach uses:
  - every input has a unique name
  - then you will get obj vith name: value keys
  - you can specify which name should be picked up

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Feature: Add customer to PE dashboard

As an PE administrator I'm able to add new user to the PE dashboard and give her access to specific project.

Given:

• I'm PE administrator and I'm logged in to PE system.
• I have email address of the customer to be added

Steps:

1. I select "new user" action

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// queries.graphql.js

import gql from 'graphql-tag';

const USER_FRAGMENT = gql`
  fragment userFragment on User {
    id
    username
    email
  }

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// schemaPlain.js

export default `
  type Post {
    id: ID!
    title: String
    content: String
    author: User
  }

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import { ApolloClient } from 'apollo-client';
import { InMemoryCache } from 'apollo-cache-inmemory';
import { createBridgeLink } from 'apollo-bridge-link';
import { dataLoadersFactory } from './rest';
import { mergeDeepRight } from 'ramda';
import resolvers from './resolvers';
import schema from './schemaPlain';
import { setContext } from 'apollo-link-context';

const mock = true;

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// apolloClient.js

import { ApolloClient } from 'apollo-client';
import { InMemoryCache } from 'apollo-cache-inmemory'; // eslint-disable-line import/no-unresolved
import { createBridgeLink } from 'apollo-bridge-link';
import { dataLoadersFactory } from './rest';
import resolvers from './resolvers';
import schema from './schemaPlain';
import { setContext } from 'apollo-link-context';

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// resolvers.js

import rest from './rest';

export default {
  Query: {
    post: (...args) => rest.getPost(...args),
    posts: (...args) => rest.getPosts(...args),
    user: (...args) => rest.getUser(...args),
    users: (...args) => rest.getUsers(...args),

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// rest.js

import DataLoader from 'dataloader';
import { REST_URL } from './links';
import fetcher from './fetcher';

// ---- DATA LOADERS

export const dataLoadersFactory = ctx => ({
  dataLoaders: {