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"scripts": {
    "start": "react-app-rewired start",
    "build": "react-app-rewired build",
    "test": "react-app-rewired test --env=jsdom",
    "eject": "react-scripts eject"
}

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{
  "plugins":[]
}

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module.exports = {
  extends: [
    'react-app', // for editor
    'eslint:recommended',
    'plugin:prettier/recommended',
    'prettier/react',
  ],
  parser: 'babel-eslint',
  plugins: ['babel'],
  rules: {

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{
  "plugins":[
    ["@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal"}],
  ]
}

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function doubleSay (str) {
  return str + ", " + str;
}
function capitalize (str) {
  return str[0].toUpperCase() + str.substring(1);
}
function exclaim (str) {
  return str + '!';
}

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let result = exclaim(capitalize(doubleSay("hello")));
result //=> "Hello, hello!"

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let result = "hello"
  |> doubleSay
  |> capitalize
  |> exclaim;

result //=> "Hello, hello!"

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function double (x) { return x + x; }
function add (x, y) { return x + y; }

function boundScore (min, max, score) {
  return Math.max(min, Math.min(max, score));
}

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let person = { score: 25 };

let newScore = person.score
  |> double
  |> (_ => add(7, _))
  |> (_ => boundScore(0, 100, _));

newScore //=> 57

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let person = { score: 25 };

let newScore = person.score
  |> double
  |> (num => add(7, num))
  |> (num => boundScore(0, 100, num));

newScore //=> 57