chat system - parsing data

+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        }
+    ]
+}
\ No newline at end of file

+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `yarn start`
+
+Runs the app in the development mode.<br />
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.<br />
+You will also see any lint errors in the console.
+
+### `yarn test`
+
+Launches the test runner in the interactive watch mode.<br />
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `yarn build`
+
+Builds the app for production to the `build` folder.<br />
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.<br />
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `yarn eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/code-splitting
+
+### Analyzing the Bundle Size
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size
+
+### Making a Progressive Web App
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app
+
+### Advanced Configuration
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/advanced-configuration
+
+### Deployment
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/deployment
+
+### `yarn build` fails to minify
+
+This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify

+Stack trace:
+Frame        Function    Args
+00600000010  001800617BE (00180251890, 0018023DFD1, 00000000058, 000FFFFB770)
+00600000010  001800490FA (00000000000, 00100000000, 00000000000, 00000000001)
+00600000010  00180049132 (00000000000, 00000000000, 00000000058, 0018031E980)
+00600000010  0018006D9C9 (0000000000A, 000FFFFC940, 001800458BF, 00000000000)
+00600000010  0018006DB92 (00000000003, 000FFFFC940, 001800458BF, 000FFFFC940)
+00600000010  0018006EA4C (000FFFFC940, 001802405E5, 001800EAF57, 0000000000D)
+00600000010  001800596A6 (000FFFF0000, 00000000000, 00000000000, E2DE0F8BFFFFFFFF)
+00600000010  0018005A9C5 (00000000002, 0018031E290, 001800BE5F9, 00600040000)
+00600000010  0018005AE89 (001800C7664, 00000000000, 00000000000, 00000000000)
+000FFFFCCE0  0018005B149 (000FFFFCE00, 00000000000, 00000000030, 0000000002F)
+000FFFFCCE0  00180049877 (00000000000, 00000000000, 00000000000, 00000000000)
+000FFFFFFF0  001800482C6 (00000000000, 00000000000, 00000000000, 00000000000)
+000FFFFFFF0  00180048374 (00000000000, 00000000000, 00000000000, 00000000000)
+End of stack trace

+# User specific files
+.mypy_cache/
+*.csv
+*.txt
+*.npy

+web: node index.js

+import tensorflow as tf
+import numpy as np
+import re
+from collections import Counter
+import sys
+import math
+from random import randint
+import pickle
+import os
+
+# This Word2Vec implementation is largely based on this paper
+# https://papers.nips.cc/paper/5021-distributed-representations-of-words-and-phrases-and-their-compositionality.pdf
+# It's a bit old, but Word2Vec is still SOTA and relatively simple, so I'm going with it
+
+# Check out Tensorflow's documentation which is pretty good for Word2Vec
+# https://www.tensorflow.org/tutorials/word2vec
+
+wordVecDimensions = 100
+batchSize = 128
+numNegativeSample = 64
+windowSize = 5
+numIterations = 100000
+
+# This function just takes in the conversation data and makes it
+# into one huge string, and then uses a Counter to identify words
+# and the number of occurences
+def processDataset(filename):
+    openedFile = open(filename, 'r')
+    allLines = openedFile.readlines()
+    myStr = ""
+    for line in allLines:
+        myStr += line
+    finalDict = Counter(myStr.split())
+    return myStr, finalDict
+
+def createTrainingMatrices(dictionary, corpus):
+    allUniqueWords = list(dictionary.keys())
+    allWords = corpus.split()
+    numTotalWords = len(allWords)
+    xTrain=[]
+    yTrain=[]
+    for i in range(numTotalWords):
+        if i % 100000 == 0:
+            print 'Finished %d/%d total words' % (i, numTotalWords)
+        wordsAfter = allWords[i + 1:i + windowSize + 1]
+        wordsBefore = allWords[max(0, i - windowSize):i]
+        wordsAdded = wordsAfter + wordsBefore
+        for word in wordsAdded:
+            xTrain.append(allUniqueWords.index(allWords[i]))
+            yTrain.append(allUniqueWords.index(word))
+    return xTrain, yTrain
+
+def getTrainingBatch():
+    num = randint(0,numTrainingExamples - batchSize - 1)
+    arr = xTrain[num:num + batchSize]
+    labels = yTrain[num:num + batchSize]
+    return arr, labels[:,np.newaxis]
+
+continueWord2Vec = True
+# Loading the data structures if they are present in the directory
+if (os.path.isfile('Word2VecXTrain.npy') and os.path.isfile('Word2VecYTrain.npy') and os.path.isfile('wordList.txt')):
+    xTrain = np.load('Word2VecXTrain.npy')
+    yTrain = np.load('Word2VecYTrain.npy')
+    print 'Finished loading training matrices'
+    with open("wordList.txt", "rb") as fp:
+        wordList = pickle.load(fp)
+    print 'Finished loading word list'
+
+else:
+    fullCorpus, datasetDictionary = processDataset('conversationData.txt')
+    print 'Finished parsing and cleaning dataset'
+    wordList = list(datasetDictionary.keys())
+    createOwnVectors = raw_input('Do you want to create your own vectors through Word2Vec (y/n)?')
+    if (createOwnVectors == 'y'):
+        xTrain, yTrain  = createTrainingMatrices(datasetDictionary, fullCorpus)
+        print 'Finished creating training matrices'
+        np.save('Word2VecXTrain.npy', xTrain)
+        np.save('Word2VecYTrain.npy', yTrain)
+    else:
+        continueWord2Vec = False
+    with open("wordList.txt", "wb") as fp:
+        pickle.dump(wordList, fp)
+
+# If you do not want to create your own word vectors and you'd just like to
+# have Tensorflow's seq2seq take care of that, then you don't need to run
+# anything below this line.
+if (continueWord2Vec == False):
+    sys.exit()
+
+numTrainingExamples = len(xTrain)
+vocabSize = len(wordList)
+
+sess = tf.Session()
+embeddingMatrix = tf.Variable(tf.random_uniform([vocabSize, wordVecDimensions], -1.0, 1.0))
+nceWeights = tf.Variable(tf.truncated_normal([vocabSize, wordVecDimensions], stddev=1.0 / math.sqrt(wordVecDimensions)))
+nceBiases = tf.Variable(tf.zeros([vocabSize]))
+
+inputs = tf.placeholder(tf.int32, shape=[batchSize])
+outputs = tf.placeholder(tf.int32, shape=[batchSize, 1])
+
+embed = tf.nn.embedding_lookup(embeddingMatrix, inputs)
+
+loss = tf.reduce_mean(
+  tf.nn.nce_loss(weights=nceWeights,
+                 biases=nceBiases,
+                 labels=outputs,
+                 inputs=embed,
+                 num_sampled=numNegativeSample,
+                 num_classes=vocabSize))
+
+optimizer = tf.train.GradientDescentOptimizer(learning_rate=1.0).minimize(loss)
+
+sess.run(tf.global_variables_initializer())
+for i in range(numIterations):
+    trainInputs, trainLabels = getTrainingBatch()
+    _, curLoss = sess.run([optimizer, loss], feed_dict={inputs: trainInputs, outputs: trainLabels})
+    if (i % 10000 == 0):
+        print ('Current loss is:', curLoss)
+print 'Saving the word embedding matrix'
+embedMatrix = embeddingMatrix.eval(session=sess)
+np.save('embeddingMatrix.npy', embedMatrix)

+'use strict'
+
+const express = require('express')
+const bodyParser = require('body-parser')
+const request = require('request')
+const app = express()
+
+app.set('port', (process.env.PORT || 5000))
+
+// Process application/x-www-form-urlencoded
+app.use(bodyParser.urlencoded({extended: false}))
+
+// Process application/json
+app.use(bodyParser.json())
+
+// Index route
+app.get('/', function (req, res) {
+	res.send('Hello world, I am a chat bot')
+})
+
+// for Facebook verification
+app.get('/webhook/', function (req, res) {
+	if (req.query['hub.verify_token'] === 'my_voice_is_my_password_verify_me') {
+		res.send(req.query['hub.challenge'])
+	}
+	res.send('Error, wrong token')
+})
+
+const myID = 1960455644201170;
+
+app.post('/webhook/', function (req, res) {
+    let messaging_events = req.body.entry[0].messaging
+    for (let i = 0; i < messaging_events.length; i++) {
+	    let event = req.body.entry[0].messaging[i]
+	    let sender = event.sender.id
+
+	    if (event.message && event.message.text && sender != myID) {
+	    	let text = event.message.text
+			request({
+			    url: 'https://flask-server-seq2seq-chatbot.herokuapp.com/prediction',
+			    method: 'POST',
+			    body: {message: text.substring(0, 200)},
+			    headers: {'User-Agent': 'request'},
+				json: true 
+			}, function(error, response, body) {
+				sendTextMessage(sender, response.body)
+			})
+	    }
+    }
+    res.sendStatus(200)
+})
+
+const token = process.env.FB_PAGE_ACCESS_TOKEN
+
+function sendTextMessage(sender, text) {
+    let messageData = { text:text }
+    request({
+	    url: 'https://graph.facebook.com/v2.6/me/messages',
+	    qs: {access_token:token},
+	    method: 'POST',
+		json: {
+		    recipient: {id:sender},
+			message: messageData,
+		}
+	}, function(error, response, body) {
+		if (error) {
+		    console.log('Error sending messages: ', error)
+		} else if (response.body.error) {
+		    console.log('Error: ', response.body.error)
+	    }
+    })
+}
+
+// Spin up the server
+app.listen(app.get('port'), function() {
+	console.log('running on port', app.get('port'))
+})

+{
+  "name": "chatbotserver",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.17.2",
+    "express": "^4.15.3",
+    "request": "^2.81.0"
+  }
+}

+456 78
\ No newline at end of file

+{
+  "name": "make_your_own_chatbot",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^4.2.4",
+    "@testing-library/react": "^9.3.2",
+    "@testing-library/user-event": "^7.1.2",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
+    "react-scripts": "3.4.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>

+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:

+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

+import React from 'react';
+import './App.css';
+
+class App extends React.Component{
+  render() {
+    return (
+      <div>
+      let's start
+      </div>
+    )
+  }
+}
+
+
+export default App;

+import React from 'react';
+import { render } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  const { getByText } = render(<App />);
+  const linkElement = getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

+import react from 'react';
+
+class UploadChat extends React.Component {
+
+    constructor(props) {
+        super(props);
+        this.state = {
+            file: null,
+            botName: '',
+            fileName: ''
+        }
+    }
+
+    addChat = () =>{
+        const url = '/api/chats';
+        const formData = new FormData();
+        formData.append('chat', this.state.file);
+        formData.append('name', this.state.botname);
+        const config = {
+            headers : {
+                'content-type': 'multipart/form-data'
+            }
+        }
+    }
+
+
+    render(){
+        return(
+            <form onSubmit={this.handleFormSubmit}>
+                <h1>채팅 내역 올리기</h1>
+                채팅 내역: <input type="file" name="file" file={this.state.file} value = {this.state.fileName} onChange={this.handleFileChange}/><br/>
+                챗봇 이름 : <input type="text" name="userName" value={this.state.userName} onChange={this.handleValueChange}/><br/>
+                <button type="submit"> 챗봇 생성하기 </button>
+            </form>
+        )
+    }
+}
+
+export default UploadChat;
\ No newline at end of file

+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import * as serviceWorker from './serviceWorker';
+
+ReactDOM.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+  document.getElementById('root')
+);
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();

+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
+        <path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
+        <circle cx="420.9" cy="296.5" r="45.7"/>
+        <path d="M520.5 78.1z"/>
+    </g>
+</svg>

+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.0/8 are considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export function register(config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl, config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl, {
+    headers: { 'Service-Worker': 'script' },
+  })
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type');
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then(registration => {
+        registration.unregister();
+      })
+      .catch(error => {
+        console.error(error.message);
+      });
+  }
+}

+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom/extend-expect';

 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
 
+# database
+/database.json
+
 # dependencies
 # dependencies
 /node_modules
 /node_modules
 /.pnp
 /.pnp

+const fs = require('fs');
 const express = require('express');
 const express = require('express');
 const bodyParser = require('body-parser');
 const bodyParser = require('body-parser');
 const app = express();
 const app = express();
@@ -6,35 +7,27 @@ const port = process.env.PORT || 5000;
 app.use(bodyParser.json());
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ exrended : true }));
 app.use(bodyParser.urlencoded({ exrended : true }));
 
 
+const data = fs.readFileSync('./database.json');
+const conf = JSON.parse(data);
+const mysql = require('mysql');
+
+const connection = mysql.createConnection({
+  host: conf.host,
+  user: conf.user,
+  password: conf.password,
+  port: conf.port,
+  database: conf.databse
+});
+connection.connect();
+
+
 app.get('/api/customers', (req, res) => {
 app.get('/api/customers', (req, res) => {
-    res.send([
-        {
-        'id': 1,
-        'image': 'https://placeimg.com/64/64/any',
-        'name': '이혜연',
-        'birthday': '000416',
-        'gender': '여자',
-        'job': '대학생'
-      },
-      {
-        'id': 2,
-        'image': 'https://placeimg.com/64/64/2',
-        'name': '김다은',
-        'birthday': '000101',
-        'gender': '여자',
-        'job': '재수생'
-      },
-      {
-        'id': 3,
-        'image': 'https://placeimg.com/64/64/3',
-        'name': '김석희',
-        'birthday': '900103',
-        'gender': '남자',
-        'job': '회사원'
+    connection.query(
+      "SELECT * FROM CUSTOMER",
+      (err,rows,fields) => {
+        res.send(rows);
       }
       }
-      
-      ])
-
+    )
 })
 })
 
 
 app.listen(port, () => console.log(`Listening on port ${port}`));
 app.listen(port, () => console.log(`Listening on port ${port}`));
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../acorn/bin/acorn" "$@"
-  ret=$?
-else 
-  node  "$basedir/../acorn/bin/acorn" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\acorn\bin\acorn" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\acorn\bin\acorn" %*
-)
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../babylon/bin/babylon.js" "$@"
-  ret=$?
-else 
-  node  "$basedir/../babylon/bin/babylon.js" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\babylon\bin\babylon.js" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\babylon\bin\babylon.js" %*
-)
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../mime/cli.js" "$@"
-  ret=$?
-else 
-  node  "$basedir/../mime/cli.js" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\mime\cli.js" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\mime\cli.js" %*
-)
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../mkdirp/bin/cmd.js" "$@"
-  ret=$?
-else 
-  node  "$basedir/../mkdirp/bin/cmd.js" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\mkdirp\bin\cmd.js" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\mkdirp\bin\cmd.js" %*
-)
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../uglify-js/bin/uglifyjs" "$@"
-  ret=$?
-else 
-  node  "$basedir/../uglify-js/bin/uglifyjs" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\uglify-js\bin\uglifyjs" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\uglify-js\bin\uglifyjs" %*
-)
\ No newline at end of file

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../uuid/bin/uuid" "$@"
-  ret=$?
-else 
-  node  "$basedir/../uuid/bin/uuid" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\uuid\bin\uuid" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\uuid\bin\uuid" %*
-)
\ No newline at end of file

-    MIT License
-
-    Copyright (c) Microsoft Corporation. All rights reserved.
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all
-    copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-    SOFTWARE

-# Installation
-> `npm install --save @types/babel-types`
-
-# Summary
-This package contains type definitions for babel-types ( https://github.com/babel/babel/tree/master/packages/babel-types ).
-
-# Details
-Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/babel-types
-
-Additional Details
- * Last updated: Wed, 24 Apr 2019 17:31:13 GMT
- * Dependencies: none
- * Global values: none
-
-# Credits
-These definitions were written by Troy Gerwien <https://github.com/yortus>, Sam Baxter <https://github.com/baxtersa>, Marvin Hagemeister <https://github.com/marvinhagemeister>, Boris Cherny <https://github.com/bcherny>.

-{
-  "_from": "@types/babel-types@^7.0.0",
-  "_id": "@types/babel-types@7.0.7",
-  "_inBundle": false,
-  "_integrity": "sha512-dBtBbrc+qTHy1WdfHYjBwRln4+LWqASWakLHsWHR2NWHIFkv4W3O070IGoGLEBrJBvct3r0L1BUPuvURi7kYUQ==",
-  "_location": "/@types/babel-types",
-  "_phantomChildren": {},
-  "_requested": {
-    "type": "range",
-    "registry": true,
-    "raw": "@types/babel-types@^7.0.0",
-    "name": "@types/babel-types",
-    "escapedName": "@types%2fbabel-types",
-    "scope": "@types",
-    "rawSpec": "^7.0.0",
-    "saveSpec": null,
-    "fetchSpec": "^7.0.0"
-  },
-  "_requiredBy": [
-    "/@types/babylon",
-    "/constantinople"
-  ],
-  "_resolved": "https://registry.npmjs.org/@types/babel-types/-/babel-types-7.0.7.tgz",
-  "_shasum": "667eb1640e8039436028055737d2b9986ee336e3",
-  "_spec": "@types/babel-types@^7.0.0",
-  "_where": "C:\\Users\\yeari\\Desktop\\경희대\\오픈소스SW개발\\Project\\OSS-Project\\node_modules\\constantinople",
-  "bugs": {
-    "url": "https://github.com/DefinitelyTyped/DefinitelyTyped/issues"
-  },
-  "bundleDependencies": false,
-  "contributors": [
-    {
-      "name": "Troy Gerwien",
-      "url": "https://github.com/yortus"
-    },
-    {
-      "name": "Sam Baxter",
-      "url": "https://github.com/baxtersa"
-    },
-    {
-      "name": "Marvin Hagemeister",
-      "url": "https://github.com/marvinhagemeister"
-    },
-    {
-      "name": "Boris Cherny",
-      "url": "https://github.com/bcherny"
-    }
-  ],
-  "dependencies": {},
-  "deprecated": false,
-  "description": "TypeScript definitions for babel-types",
-  "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped#readme",
-  "license": "MIT",
-  "main": "",
-  "name": "@types/babel-types",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/DefinitelyTyped/DefinitelyTyped.git",
-    "directory": "types/babel-types"
-  },
-  "scripts": {},
-  "typeScriptVersion": "2.8",
-  "types": "index",
-  "typesPublisherContentHash": "c122ea7d3e140cb66493cf81db0d08d0d35d723c5a9fd0be9b29e7761609f366",
-  "version": "7.0.7"
-}

-    MIT License
-
-    Copyright (c) Microsoft Corporation. All rights reserved.
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in all
-    copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-    SOFTWARE

-# Installation
-> `npm install --save @types/babylon`
-
-# Summary
-This package contains type definitions for babylon ( https://github.com/babel/babylon ).
-
-# Details
-Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/babylon
-
-Additional Details
- * Last updated: Wed, 13 Feb 2019 16:16:46 GMT
- * Dependencies: @types/babel-types
- * Global values: none
-
-# Credits
-These definitions were written by Troy Gerwien <https://github.com/yortus>, Marvin Hagemeister <https://github.com/marvinhagemeister>.

-// Type definitions for babylon 6.16
-// Project: https://github.com/babel/babylon, https://babeljs.io
-// Definitions by: Troy Gerwien <https://github.com/yortus>
-//                 Marvin Hagemeister <https://github.com/marvinhagemeister>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.8
-
-import { File, Expression } from 'babel-types';
-
-export function parse(code: string, opts?: BabylonOptions): File;
-
-export function parseExpression(input: string, options?: BabylonOptions): Expression;
-
-export interface BabylonOptions {
-    /**
-     * By default, import and export declarations can only appear at a program's top level.
-     * Setting this option to true allows them anywhere where a statement is allowed.
-     */
-    allowImportExportEverywhere?: boolean;
-
-    /**
-     * By default, a return statement at the top level raises an error. Set this to true to accept such code.
-     */
-    allowReturnOutsideFunction?: boolean;
-
-    allowSuperOutsideMethod?: boolean;
-
-    /**
-     * Indicate the mode the code should be parsed in. Can be either "script" or "module".
-     */
-    sourceType?: 'script' | 'module';
-
-    /**
-     * Correlate output AST nodes with their source filename. Useful when
-     * generating code and source maps from the ASTs of multiple input files.
-     */
-    sourceFilename?: string;
-
-    /**
-     * Array containing the plugins that you want to enable.
-     */
-    plugins?: PluginName[];
-}
-
-export type PluginName =
-    'estree' |
-    'jsx' |
-    'flow' |
-    'typescript' |
-    'classConstructorCall' |
-    'doExpressions' |
-    'objectRestSpread' |
-    'decorators' |
-    'classProperties' |
-    'exportExtensions' |
-    'asyncGenerators' |
-    'functionBind' |
-    'functionSent' |
-    'dynamicImport';

-{
-  "_from": "@types/babylon@^6.16.2",
-  "_id": "@types/babylon@6.16.5",
-  "_inBundle": false,
-  "_integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
-  "_location": "/@types/babylon",
-  "_phantomChildren": {},
-  "_requested": {
-    "type": "range",
-    "registry": true,
-    "raw": "@types/babylon@^6.16.2",
-    "name": "@types/babylon",
-    "escapedName": "@types%2fbabylon",
-    "scope": "@types",
-    "rawSpec": "^6.16.2",
-    "saveSpec": null,
-    "fetchSpec": "^6.16.2"
-  },
-  "_requiredBy": [
-    "/constantinople"
-  ],
-  "_resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
-  "_shasum": "1c5641db69eb8cdf378edd25b4be7754beeb48b4",
-  "_spec": "@types/babylon@^6.16.2",
-  "_where": "C:\\Users\\yeari\\Desktop\\경희대\\오픈소스SW개발\\Project\\OSS-Project\\node_modules\\constantinople",
-  "bugs": {
-    "url": "https://github.com/DefinitelyTyped/DefinitelyTyped/issues"
-  },
-  "bundleDependencies": false,
-  "contributors": [
-    {
-      "name": "Troy Gerwien",
-      "url": "https://github.com/yortus"
-    },
-    {
-      "name": "Marvin Hagemeister",
-      "url": "https://github.com/marvinhagemeister"
-    }
-  ],
-  "dependencies": {
-    "@types/babel-types": "*"
-  },
-  "deprecated": false,
-  "description": "TypeScript definitions for babylon",
-  "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped#readme",
-  "license": "MIT",
-  "main": "",
-  "name": "@types/babylon",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/DefinitelyTyped/DefinitelyTyped.git"
-  },
-  "scripts": {},
-  "typeScriptVersion": "2.8",
-  "types": "index",
-  "typesPublisherContentHash": "d6861e06508c0c54a6a46d7b72e96db7907de3621ac44aab8a3e647b8431cddd",
-  "version": "6.16.5"
-}

-1.3.7 / 2019-04-29
-==================
-
-  * deps: negotiator@0.6.2
-    - Fix sorting charset, encoding, and language with extra parameters
-
-1.3.6 / 2019-04-28
-==================
-
-  * deps: mime-types@~2.1.24
-    - deps: mime-db@~1.40.0
-
-1.3.5 / 2018-02-28
-==================
-
-  * deps: mime-types@~2.1.18
-    - deps: mime-db@~1.33.0
-
-1.3.4 / 2017-08-22
-==================
-
-  * deps: mime-types@~2.1.16
-    - deps: mime-db@~1.29.0
-
-1.3.3 / 2016-05-02
-==================
-
-  * deps: mime-types@~2.1.11
-    - deps: mime-db@~1.23.0
-  * deps: negotiator@0.6.1
-    - perf: improve `Accept` parsing speed
-    - perf: improve `Accept-Charset` parsing speed
-    - perf: improve `Accept-Encoding` parsing speed
-    - perf: improve `Accept-Language` parsing speed
-
-1.3.2 / 2016-03-08
-==================
-
-  * deps: mime-types@~2.1.10
-    - Fix extension of `application/dash+xml`
-    - Update primary extension for `audio/mp4`
-    - deps: mime-db@~1.22.0
-
-1.3.1 / 2016-01-19
-==================
-
-  * deps: mime-types@~2.1.9
-    - deps: mime-db@~1.21.0
-
-1.3.0 / 2015-09-29
-==================
-
-  * deps: mime-types@~2.1.7
-    - deps: mime-db@~1.19.0
-  * deps: negotiator@0.6.0
-    - Fix including type extensions in parameters in `Accept` parsing
-    - Fix parsing `Accept` parameters with quoted equals
-    - Fix parsing `Accept` parameters with quoted semicolons
-    - Lazy-load modules from main entry point
-    - perf: delay type concatenation until needed
-    - perf: enable strict mode
-    - perf: hoist regular expressions
-    - perf: remove closures getting spec properties
-    - perf: remove a closure from media type parsing
-    - perf: remove property delete from media type parsing
-
-1.2.13 / 2015-09-06
-===================
-
-  * deps: mime-types@~2.1.6
-    - deps: mime-db@~1.18.0
-
-1.2.12 / 2015-07-30
-===================
-
-  * deps: mime-types@~2.1.4
-    - deps: mime-db@~1.16.0
-
-1.2.11 / 2015-07-16
-===================
-
-  * deps: mime-types@~2.1.3
-    - deps: mime-db@~1.15.0
-
-1.2.10 / 2015-07-01
-===================
-
-  * deps: mime-types@~2.1.2
-    - deps: mime-db@~1.14.0
-
-1.2.9 / 2015-06-08
-==================
-
-  * deps: mime-types@~2.1.1
-    - perf: fix deopt during mapping
-
-1.2.8 / 2015-06-07
-==================
-
-  * deps: mime-types@~2.1.0
-    - deps: mime-db@~1.13.0
-  * perf: avoid argument reassignment & argument slice
-  * perf: avoid negotiator recursive construction
-  * perf: enable strict mode
-  * perf: remove unnecessary bitwise operator
-
-1.2.7 / 2015-05-10
-==================
-
-  * deps: negotiator@0.5.3
-    - Fix media type parameter matching to be case-insensitive
-
-1.2.6 / 2015-05-07
-==================
-
-  * deps: mime-types@~2.0.11
-    - deps: mime-db@~1.9.1
-  * deps: negotiator@0.5.2
-    - Fix comparing media types with quoted values
-    - Fix splitting media types with quoted commas
-
-1.2.5 / 2015-03-13
-==================
-
-  * deps: mime-types@~2.0.10
-    - deps: mime-db@~1.8.0
-
-1.2.4 / 2015-02-14
-==================
-
-  * Support Node.js 0.6
-  * deps: mime-types@~2.0.9
-    - deps: mime-db@~1.7.0
-  * deps: negotiator@0.5.1
-    - Fix preference sorting to be stable for long acceptable lists
-
-1.2.3 / 2015-01-31
-==================
-
-  * deps: mime-types@~2.0.8
-    - deps: mime-db@~1.6.0
-
-1.2.2 / 2014-12-30
-==================
-
-  * deps: mime-types@~2.0.7
-    - deps: mime-db@~1.5.0
-
-1.2.1 / 2014-12-30
-==================
-
-  * deps: mime-types@~2.0.5
-    - deps: mime-db@~1.3.1
-
-1.2.0 / 2014-12-19
-==================
-
-  * deps: negotiator@0.5.0
-    - Fix list return order when large accepted list
-    - Fix missing identity encoding when q=0 exists
-    - Remove dynamic building of Negotiator class
-
-1.1.4 / 2014-12-10
-==================
-
-  * deps: mime-types@~2.0.4
-    - deps: mime-db@~1.3.0
-
-1.1.3 / 2014-11-09
-==================
-
-  * deps: mime-types@~2.0.3
-    - deps: mime-db@~1.2.0
-
-1.1.2 / 2014-10-14
-==================
-
-  * deps: negotiator@0.4.9
-    - Fix error when media type has invalid parameter
-
-1.1.1 / 2014-09-28
-==================
-
-  * deps: mime-types@~2.0.2
-    - deps: mime-db@~1.1.0
-  * deps: negotiator@0.4.8
-    - Fix all negotiations to be case-insensitive
-    - Stable sort preferences of same quality according to client order
-
-1.1.0 / 2014-09-02
-==================
-
-  * update `mime-types`
-
-1.0.7 / 2014-07-04
-==================
-
-  * Fix wrong type returned from `type` when match after unknown extension
-
-1.0.6 / 2014-06-24
-==================
-
-  * deps: negotiator@0.4.7
-
-1.0.5 / 2014-06-20
-==================
-
- * fix crash when unknown extension given
-
-1.0.4 / 2014-06-19
-==================
-
-  * use `mime-types`
-
-1.0.3 / 2014-06-11
-==================
-
-  * deps: negotiator@0.4.6
-    - Order by specificity when quality is the same
-
-1.0.2 / 2014-05-29
-==================
-
-  * Fix interpretation when header not in request
-  * deps: pin negotiator@0.4.5
-
-1.0.1 / 2014-01-18
-==================
-
-  * Identity encoding isn't always acceptable
-  * deps: negotiator@~0.4.0
-
-1.0.0 / 2013-12-27
-==================
-
-  * Genesis

-(The MIT License)
-
-Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
-Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-'Software'), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

-# accepts
-
-[![NPM Version][npm-version-image]][npm-url]
-[![NPM Downloads][npm-downloads-image]][npm-url]
-[![Node.js Version][node-version-image]][node-version-url]
-[![Build Status][travis-image]][travis-url]
-[![Test Coverage][coveralls-image]][coveralls-url]
-
-Higher level content negotiation based on [negotiator](https://www.npmjs.com/package/negotiator).
-Extracted from [koa](https://www.npmjs.com/package/koa) for general use.
-
-In addition to negotiator, it allows:
-
-- Allows types as an array or arguments list, ie `(['text/html', 'application/json'])`
-  as well as `('text/html', 'application/json')`.
-- Allows type shorthands such as `json`.
-- Returns `false` when no types match
-- Treats non-existent headers as `*`
-
-## Installation
-
-This is a [Node.js](https://nodejs.org/en/) module available through the
-[npm registry](https://www.npmjs.com/). Installation is done using the
-[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
-
-```sh
-$ npm install accepts
-```
-
-## API
-
-<!-- eslint-disable no-unused-vars -->
-
-```js
-var accepts = require('accepts')
-```
-
-### accepts(req)
-
-Create a new `Accepts` object for the given `req`.
-
-#### .charset(charsets)
-
-Return the first accepted charset. If nothing in `charsets` is accepted,
-then `false` is returned.
-
-#### .charsets()
-
-Return the charsets that the request accepts, in the order of the client's
-preference (most preferred first).
-
-#### .encoding(encodings)
-
-Return the first accepted encoding. If nothing in `encodings` is accepted,
-then `false` is returned.
-
-#### .encodings()
-
-Return the encodings that the request accepts, in the order of the client's
-preference (most preferred first).
-
-#### .language(languages)
-
-Return the first accepted language. If nothing in `languages` is accepted,
-then `false` is returned.
-
-#### .languages()
-
-Return the languages that the request accepts, in the order of the client's
-preference (most preferred first).
-
-#### .type(types)
-
-Return the first accepted type (and it is returned as the same text as what
-appears in the `types` array). If nothing in `types` is accepted, then `false`
-is returned.
-
-The `types` array can contain full MIME types or file extensions. Any value
-that is not a full MIME types is passed to `require('mime-types').lookup`.
-
-#### .types()
-
-Return the types that the request accepts, in the order of the client's
-preference (most preferred first).
-
-## Examples
-
-### Simple type negotiation
-
-This simple example shows how to use `accepts` to return a different typed
-respond body based on what the client wants to accept. The server lists it's
-preferences in order and will get back the best match between the client and
-server.
-
-```js
-var accepts = require('accepts')
-var http = require('http')
-
-function app (req, res) {
-  var accept = accepts(req)
-
-  // the order of this list is significant; should be server preferred order
-  switch (accept.type(['json', 'html'])) {
-    case 'json':
-      res.setHeader('Content-Type', 'application/json')
-      res.write('{"hello":"world!"}')
-      break
-    case 'html':
-      res.setHeader('Content-Type', 'text/html')
-      res.write('<b>hello, world!</b>')
-      break
-    default:
-      // the fallback is text/plain, so no need to specify it above
-      res.setHeader('Content-Type', 'text/plain')
-      res.write('hello, world!')
-      break
-  }
-
-  res.end()
-}
-
-http.createServer(app).listen(3000)
-```
-
-You can test this out with the cURL program:
-```sh
-curl -I -H'Accept: text/html' http://localhost:3000/
-```
-
-## License
-
-[MIT](LICENSE)
-
-[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/accepts/master
-[coveralls-url]: https://coveralls.io/r/jshttp/accepts?branch=master
-[node-version-image]: https://badgen.net/npm/node/accepts
-[node-version-url]: https://nodejs.org/en/download
-[npm-downloads-image]: https://badgen.net/npm/dm/accepts
-[npm-url]: https://npmjs.org/package/accepts
-[npm-version-image]: https://badgen.net/npm/v/accepts
-[travis-image]: https://badgen.net/travis/jshttp/accepts/master
-[travis-url]: https://travis-ci.org/jshttp/accepts

-/*!
- * accepts
- * Copyright(c) 2014 Jonathan Ong
- * Copyright(c) 2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict'
-
-/**
- * Module dependencies.
- * @private
- */
-
-var Negotiator = require('negotiator')
-var mime = require('mime-types')
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = Accepts
-
-/**
- * Create a new Accepts object for the given req.
- *
- * @param {object} req
- * @public
- */
-
-function Accepts (req) {
-  if (!(this instanceof Accepts)) {
-    return new Accepts(req)
-  }
-
-  this.headers = req.headers
-  this.negotiator = new Negotiator(req)
-}
-
-/**
- * Check if the given `type(s)` is acceptable, returning
- * the best match when true, otherwise `undefined`, in which
- * case you should respond with 406 "Not Acceptable".
- *
- * The `type` value may be a single mime type string
- * such as "application/json", the extension name
- * such as "json" or an array `["json", "html", "text/plain"]`. When a list
- * or array is given the _best_ match, if any is returned.
- *
- * Examples:
- *
- *     // Accept: text/html
- *     this.types('html');
- *     // => "html"
- *
- *     // Accept: text/*, application/json
- *     this.types('html');
- *     // => "html"
- *     this.types('text/html');
- *     // => "text/html"
- *     this.types('json', 'text');
- *     // => "json"
- *     this.types('application/json');
- *     // => "application/json"
- *
- *     // Accept: text/*, application/json
- *     this.types('image/png');
- *     this.types('png');
- *     // => undefined
- *
- *     // Accept: text/*;q=.5, application/json
- *     this.types(['html', 'json']);
- *     this.types('html', 'json');
- *     // => "json"
- *
- * @param {String|Array} types...
- * @return {String|Array|Boolean}
- * @public
- */
-
-Accepts.prototype.type =
-Accepts.prototype.types = function (types_) {
-  var types = types_
-
-  // support flattened arguments
-  if (types && !Array.isArray(types)) {
-    types = new Array(arguments.length)
-    for (var i = 0; i < types.length; i++) {
-      types[i] = arguments[i]
-    }
-  }
-
-  // no types, return all requested types
-  if (!types || types.length === 0) {
-    return this.negotiator.mediaTypes()
-  }
-
-  // no accept header, return first given type
-  if (!this.headers.accept) {
-    return types[0]
-  }
-
-  var mimes = types.map(extToMime)
-  var accepts = this.negotiator.mediaTypes(mimes.filter(validMime))
-  var first = accepts[0]
-
-  return first
-    ? types[mimes.indexOf(first)]
-    : false
-}
-
-/**
- * Return accepted encodings or best fit based on `encodings`.
- *
- * Given `Accept-Encoding: gzip, deflate`
- * an array sorted by quality is returned:
- *
- *     ['gzip', 'deflate']
- *
- * @param {String|Array} encodings...
- * @return {String|Array}
- * @public
- */
-
-Accepts.prototype.encoding =
-Accepts.prototype.encodings = function (encodings_) {
-  var encodings = encodings_
-
-  // support flattened arguments
-  if (encodings && !Array.isArray(encodings)) {
-    encodings = new Array(arguments.length)
-    for (var i = 0; i < encodings.length; i++) {
-      encodings[i] = arguments[i]
-    }
-  }
-
-  // no encodings, return all requested encodings
-  if (!encodings || encodings.length === 0) {
-    return this.negotiator.encodings()
-  }
-
-  return this.negotiator.encodings(encodings)[0] || false
-}
-
-/**
- * Return accepted charsets or best fit based on `charsets`.
- *
- * Given `Accept-Charset: utf-8, iso-8859-1;q=0.2, utf-7;q=0.5`
- * an array sorted by quality is returned:
- *
- *     ['utf-8', 'utf-7', 'iso-8859-1']
- *
- * @param {String|Array} charsets...
- * @return {String|Array}
- * @public
- */
-
-Accepts.prototype.charset =
-Accepts.prototype.charsets = function (charsets_) {
-  var charsets = charsets_
-
-  // support flattened arguments
-  if (charsets && !Array.isArray(charsets)) {
-    charsets = new Array(arguments.length)
-    for (var i = 0; i < charsets.length; i++) {
-      charsets[i] = arguments[i]
-    }
-  }
-
-  // no charsets, return all requested charsets
-  if (!charsets || charsets.length === 0) {
-    return this.negotiator.charsets()
-  }
-
-  return this.negotiator.charsets(charsets)[0] || false
-}
-
-/**
- * Return accepted languages or best fit based on `langs`.
- *
- * Given `Accept-Language: en;q=0.8, es, pt`
- * an array sorted by quality is returned:
- *
- *     ['es', 'pt', 'en']
- *
- * @param {String|Array} langs...
- * @return {Array|String}
- * @public
- */
-
-Accepts.prototype.lang =
-Accepts.prototype.langs =
-Accepts.prototype.language =
-Accepts.prototype.languages = function (languages_) {
-  var languages = languages_
-
-  // support flattened arguments
-  if (languages && !Array.isArray(languages)) {
-    languages = new Array(arguments.length)
-    for (var i = 0; i < languages.length; i++) {
-      languages[i] = arguments[i]
-    }
-  }
-
-  // no languages, return all requested languages
-  if (!languages || languages.length === 0) {
-    return this.negotiator.languages()
-  }
-
-  return this.negotiator.languages(languages)[0] || false
-}
-
-/**
- * Convert extnames to mime.
- *
- * @param {String} type
- * @return {String}
- * @private
- */
-
-function extToMime (type) {
-  return type.indexOf('/') === -1
-    ? mime.lookup(type)
-    : type
-}
-
-/**
- * Check if mime is valid.
- *
- * @param {String} type
- * @return {String}
- * @private
- */
-
-function validMime (type) {
-  return typeof type === 'string'
-}

-{
-  "_from": "accepts@~1.3.7",
-  "_id": "accepts@1.3.7",
-  "_inBundle": false,
-  "_integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
-  "_location": "/accepts",
-  "_phantomChildren": {},
-  "_requested": {
-    "type": "range",
-    "registry": true,
-    "raw": "accepts@~1.3.7",
-    "name": "accepts",
-    "escapedName": "accepts",
-    "rawSpec": "~1.3.7",
-    "saveSpec": null,
-    "fetchSpec": "~1.3.7"
-  },
-  "_requiredBy": [
-    "/express"
-  ],
-  "_resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
-  "_shasum": "531bc726517a3b2b41f850021c6cc15eaab507cd",
-  "_spec": "accepts@~1.3.7",
-  "_where": "C:\\Users\\yeari\\Desktop\\경희대\\오픈소스SW개발\\Project\\OSS-Project\\node_modules\\express",
-  "bugs": {
-    "url": "https://github.com/jshttp/accepts/issues"
-  },
-  "bundleDependencies": false,
-  "contributors": [
-    {
-      "name": "Douglas Christopher Wilson",
-      "email": "doug@somethingdoug.com"
-    },
-    {
-      "name": "Jonathan Ong",
-      "email": "me@jongleberry.com",
-      "url": "http://jongleberry.com"
-    }
-  ],
-  "dependencies": {
-    "mime-types": "~2.1.24",
-    "negotiator": "0.6.2"
-  },
-  "deprecated": false,
-  "description": "Higher-level content negotiation",
-  "devDependencies": {
-    "deep-equal": "1.0.1",
-    "eslint": "5.16.0",
-    "eslint-config-standard": "12.0.0",
-    "eslint-plugin-import": "2.17.2",
-    "eslint-plugin-markdown": "1.0.0",
-    "eslint-plugin-node": "8.0.1",
-    "eslint-plugin-promise": "4.1.1",
-    "eslint-plugin-standard": "4.0.0",
-    "mocha": "6.1.4",
-    "nyc": "14.0.0"
-  },
-  "engines": {
-    "node": ">= 0.6"
-  },
-  "files": [
-    "LICENSE",
-    "HISTORY.md",
-    "index.js"
-  ],
-  "homepage": "https://github.com/jshttp/accepts#readme",
-  "keywords": [
-    "content",
-    "negotiation",
-    "accept",
-    "accepts"
-  ],
-  "license": "MIT",
-  "name": "accepts",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/jshttp/accepts.git"
-  },
-  "scripts": {
-    "lint": "eslint --plugin markdown --ext js,md .",
-    "test": "mocha --reporter spec --check-leaks --bail test/",
-    "test-cov": "nyc --reporter=html --reporter=text npm test",
-    "test-travis": "nyc --reporter=text npm test"
-  },
-  "version": "1.3.7"
-}

-Copyright (c) 2014 Forbes Lindesay
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
\ No newline at end of file

-# acorn-globals
-
-Detect global variables in JavaScript using acorn
-
-[![Build Status](https://img.shields.io/travis/ForbesLindesay/acorn-globals/master.svg)](https://travis-ci.org/ForbesLindesay/acorn-globals)
-[![Dependency Status](https://img.shields.io/david/ForbesLindesay/acorn-globals.svg)](https://david-dm.org/ForbesLindesay/acorn-globals)
-[![NPM version](https://img.shields.io/npm/v/acorn-globals.svg)](https://www.npmjs.org/package/acorn-globals)
-
-## Installation
-
-    npm install acorn-globals
-
-## Usage
-
-detect.js
-
-```js
-var fs = require('fs');
-var detect = require('acorn-globals');
-
-var src = fs.readFileSync(__dirname + '/input.js', 'utf8');
-
-var scope = detect(src);
-console.dir(scope);
-```
-
-input.js
-
-```js
-var x = 5;
-var y = 3, z = 2;
-
-w.foo();
-w = 2;
-
-RAWR=444;
-RAWR.foo();
-
-BLARG=3;
-
-foo(function () {
-    var BAR = 3;
-    process.nextTick(function (ZZZZZZZZZZZZ) {
-        console.log('beep boop');
-        var xyz = 4;
-        x += 10;
-        x.zzzzzz;
-        ZZZ=6;
-    });
-    function doom () {
-    }
-    ZZZ.foo();
-
-});
-
-console.log(xyz);
-```
-
-output:
-
-```
-$ node example/detect.js
-[ { name: 'BLARG', nodes: [ [Object] ] },
-  { name: 'RAWR', nodes: [ [Object], [Object] ] },
-  { name: 'ZZZ', nodes: [ [Object], [Object] ] },
-  { name: 'console', nodes: [ [Object], [Object] ] },
-  { name: 'foo', nodes: [ [Object] ] },
-  { name: 'process', nodes: [ [Object] ] },
-  { name: 'w', nodes: [ [Object], [Object] ] },
-  { name: 'xyz', nodes: [ [Object] ] } ]
-```
-
-
-## License
-
-  MIT

-'use strict';
-
-var acorn = require('acorn');
-var walk = require('acorn/dist/walk');
-
-function isScope(node) {
-  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration' || node.type === 'ArrowFunctionExpression' || node.type === 'Program';
-}
-function isBlockScope(node) {
-  return node.type === 'BlockStatement' || isScope(node);
-}
-
-function declaresArguments(node) {
-  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
-}
-
-function declaresThis(node) {
-  return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration';
-}
-
-function reallyParse(source) {
-  return acorn.parse(source, {
-    allowReturnOutsideFunction: true,
-    allowImportExportEverywhere: true,
-    allowHashBang: true
-  });
-}
-module.exports = findGlobals;
-module.exports.parse = reallyParse;
-function findGlobals(source) {
-  var globals = [];
-  var ast;
-  // istanbul ignore else
-  if (typeof source === 'string') {
-    ast = reallyParse(source);
-  } else {
-    ast = source;
-  }
-  // istanbul ignore if
-  if (!(ast && typeof ast === 'object' && ast.type === 'Program')) {
-    throw new TypeError('Source must be either a string of JavaScript or an acorn AST');
-  }
-  var declareFunction = function (node) {
-    var fn = node;
-    fn.locals = fn.locals || {};
-    node.params.forEach(function (node) {
-      declarePattern(node, fn);
-    });
-    if (node.id) {
-      fn.locals[node.id.name] = true;
-    }
-  }
-  var declarePattern = function (node, parent) {
-    switch (node.type) {
-      case 'Identifier':
-        parent.locals[node.name] = true;
-        break;
-      case 'ObjectPattern':
-        node.properties.forEach(function (node) {
-          declarePattern(node.value, parent);
-        });
-        break;
-      case 'ArrayPattern':
-        node.elements.forEach(function (node) {
-          if (node) declarePattern(node, parent);
-        });
-        break;
-      case 'RestElement':
-        declarePattern(node.argument, parent);
-        break;
-      case 'AssignmentPattern':
-        declarePattern(node.left, parent);
-        break;
-      // istanbul ignore next
-      default:
-        throw new Error('Unrecognized pattern type: ' + node.type);
-    }
-  }
-  var declareModuleSpecifier = function (node, parents) {
-    ast.locals = ast.locals || {};
-    ast.locals[node.local.name] = true;
-  }
-  walk.ancestor(ast, {
-    'VariableDeclaration': function (node, parents) {
-      var parent = null;
-      for (var i = parents.length - 1; i >= 0 && parent === null; i--) {
-        if (node.kind === 'var' ? isScope(parents[i]) : isBlockScope(parents[i])) {
-          parent = parents[i];
-        }
-      }
-      parent.locals = parent.locals || {};
-      node.declarations.forEach(function (declaration) {
-        declarePattern(declaration.id, parent);
-      });
-    },
-    'FunctionDeclaration': function (node, parents) {
-      var parent = null;
-      for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
-        if (isScope(parents[i])) {
-          parent = parents[i];
-        }
-      }
-      parent.locals = parent.locals || {};
-      parent.locals[node.id.name] = true;
-      declareFunction(node);
-    },
-    'Function': declareFunction,
-    'ClassDeclaration': function (node, parents) {
-      var parent = null;
-      for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
-        if (isScope(parents[i])) {
-          parent = parents[i];
-        }
-      }
-      parent.locals = parent.locals || {};
-      parent.locals[node.id.name] = true;
-    },
-    'TryStatement': function (node) {
-      if (node.handler === null) return;
-      node.handler.locals = node.handler.locals || {};
-      node.handler.locals[node.handler.param.name] = true;
-    },
-    'ImportDefaultSpecifier': declareModuleSpecifier,
-    'ImportSpecifier': declareModuleSpecifier,
-    'ImportNamespaceSpecifier': declareModuleSpecifier
-  });
-  function identifier(node, parents) {
-    var name = node.name;
-    if (name === 'undefined') return;
-    for (var i = 0; i < parents.length; i++) {
-      if (name === 'arguments' && declaresArguments(parents[i])) {
-        return;
-      }
-      if (parents[i].locals && name in parents[i].locals) {
-        return;
-      }
-    }
-    node.parents = parents;
-    globals.push(node);
-  }
-  walk.ancestor(ast, {
-    'VariablePattern': identifier,
-    'Identifier': identifier,
-    'ThisExpression': function (node, parents) {
-      for (var i = 0; i < parents.length; i++) {
-        if (declaresThis(parents[i])) {
-          return;
-        }
-      }
-      node.parents = parents;
-      globals.push(node);
-    }
-  });
-  var groupedGlobals = {};
-  globals.forEach(function (node) {
-    var name = node.type === 'ThisExpression' ? 'this' : node.name;
-    groupedGlobals[name] = (groupedGlobals[name] || []);
-    groupedGlobals[name].push(node);
-  });
-  return Object.keys(groupedGlobals).sort().map(function (name) {
-    return {name: name, nodes: groupedGlobals[name]};
-  });
-}

-#!/bin/sh
-basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
-
-case `uname` in
-    *CYGWIN*) basedir=`cygpath -w "$basedir"`;;
-esac
-
-if [ -x "$basedir/node" ]; then
-  "$basedir/node"  "$basedir/../acorn/bin/acorn" "$@"
-  ret=$?
-else 
-  node  "$basedir/../acorn/bin/acorn" "$@"
-  ret=$?
-fi
-exit $ret

-@IF EXIST "%~dp0\node.exe" (
-  "%~dp0\node.exe"  "%~dp0\..\acorn\bin\acorn" %*
-) ELSE (
-  @SETLOCAL
-  @SET PATHEXT=%PATHEXT:;.JS;=;%
-  node  "%~dp0\..\acorn\bin\acorn" %*
-)
\ No newline at end of file

-/.tern-port
-/test
-/local
-/rollup
-/bin/generate-identifier-regex.js
-/bin/update_authors.sh
-.editorconfig
-.gitattributes
-.tern-project
-.travis.yml

-List of Acorn contributors. Updated before every release.
-
-Adrian Rakovsky
-Alistair Braidwood
-Amila Welihinda
-Andres Suarez
-Angelo
-Aparajita Fishman
-Arian Stolwijk
-Artem Govorov
-Brandon Mills
-Charles Hughes
-Conrad Irwin
-Daniel Tschinder
-David Bonnet
-Domenico Matteo
-Forbes Lindesay
-Gilad Peleg
-impinball
-Ingvar Stepanyan
-Jackson Ray Hamilton
-Jesse McCarthy
-Jiaxing Wang
-Joel Kemp
-Johannes Herr
-Jordan Klassen
-Jürg Lehni
-Kai Cataldo
-keeyipchan
-Keheliya Gallaba
-Kevin Irish
-Kevin Kwok
-krator
-Marijn Haverbeke
-Martin Carlberg
-Mat Garcia
-Mathias Bynens
-Mathieu 'p01' Henri
-Matthew Bastien
-Max Schaefer
-Max Zerzouri
-Mihai Bazon
-Mike Rennie
-naoh
-Nicholas C. Zakas
-Nick Fitzgerald
-Olivier Thomann
-Oskar Schöldström
-Paul Harper
-Peter Rust
-PlNG
-Prayag Verma
-ReadmeCritic
-r-e-d
-Richard Gibson
-Rich Harris
-Sebastian McKenzie
-Simen Bekkhus
-Timothy Gu
-Toru Nagashima
-Wexpo Lyu
-zsjforcn

-## 4.0.11 (2017-02-07)
-
-### Bug fixes
-
-Allow all forms of member expressions to be parenthesized as lvalue.
-
-## 4.0.10 (2017-02-07)
-
-### Bug fixes
-
-Don't expect semicolons after default-exported functions or classes,
-even when they are expressions.
-
-Check for use of `'use strict'` directives in non-simple parameter
-functions, even when already in strict mode.
-
-## 4.0.9 (2017-02-06)
-
-### Bug fixes
-
-Fix incorrect error raised for parenthesized simple assignment
-targets, so that `(x) = 1` parses again.
-
-## 4.0.8 (2017-02-03)
-
-### Bug fixes
-
-Solve spurious parenthesized pattern errors by temporarily erring on
-the side of accepting programs that our delayed errors don't handle
-correctly yet.
-
-## 4.0.7 (2017-02-02)
-
-### Bug fixes
-
-Accept invalidly rejected code like `(x).y = 2` again.
-
-Don't raise an error when a function _inside_ strict code has a
-non-simple parameter list.
-
-## 4.0.6 (2017-02-02)
-
-### Bug fixes
-
-Fix exponential behavior (manifesting itself as a complete hang for
-even relatively small source files) introduced by the new 'use strict'
-check.
-
-## 4.0.5 (2017-02-02)
-
-### Bug fixes
-
-Disallow parenthesized pattern expressions.
-
-Allow keywords as export names.
-
-Don't allow the `async` keyword to be parenthesized.
-
-Properly raise an error when a keyword contains a character escape.
-
-Allow `"use strict"` to appear after other string literal expressions.
-
-Disallow labeled declarations.
-
-## 4.0.4 (2016-12-19)
-
-### Bug fixes
-
-Fix issue with loading acorn_loose.js with an AMD loader.
-
-Fix crash when `export` was followed by a keyword that can't be
-exported.
-
-## 4.0.3 (2016-08-16)
-
-### Bug fixes
-
-Allow regular function declarations inside single-statement `if`
-branches in loose mode. Forbid them entirely in strict mode.
-
-Properly parse properties named `async` in ES2017 mode.
-
-Fix bug where reserved words were broken in ES2017 mode.
-
-## 4.0.2 (2016-08-11)
-
-### Bug fixes
-
-Don't ignore period or 'e' characters after octal numbers.
-
-Fix broken parsing for call expressions in default parameter values
-of arrow functions.
-
-## 4.0.1 (2016-08-08)
-
-### Bug fixes
-
-Fix false positives in duplicated export name errors.
-
-## 4.0.0 (2016-08-07)
-
-### Breaking changes
-
-The default `ecmaVersion` option value is now 7.
-
-A number of internal method signatures changed, so plugins might need
-to be updated.
-
-### Bug fixes
-
-The parser now raises errors on duplicated export names.
-
-`arguments` and `eval` can now be used in shorthand properties.
-
-Duplicate parameter names in non-simple argument lists now always
-produce an error.
-
-### New features
-
-The `ecmaVersion` option now also accepts year-style version numbers
-(2015, etc).
-
-Support for `async`/`await` syntax when `ecmaVersion` is >= 8.
-
-Support for trailing commas in call expressions when `ecmaVersion`
-is >= 8.
-
-## 3.3.0 (2016-07-25)
-
-### Bug fixes
-
-Fix bug in tokenizing of regexp operator after a function declaration.
-
-Fix parser crash when parsing an array pattern with a hole.
-
-### New features
-
-Implement check against complex argument lists in functions that
-enable strict mode in ES7.
-
-## 3.2.0 (2016-06-07)
-
-### Bug fixes
-
-Improve handling of lack of unicode regexp support in host
-environment.
-
-Properly reject shorthand properties whose name is a keyword.
-
-Don't crash when the loose parser is called without options object.
-
-### New features
-
-Visitors created with `visit.make` now have their base as _prototype_,
-rather than copying properties into a fresh object.
-
-Make it possible to use `visit.ancestor` with a walk state.
-
-## 3.1.0 (2016-04-18)
-
-### Bug fixes
-
-Fix issue where the loose parser created invalid TemplateElement nodes
-for unclosed template literals.
-
-Properly tokenize the division operator directly after a function
-expression.
-
-Allow trailing comma in destructuring arrays.
-
-### New features
-
-The walker now allows defining handlers for `CatchClause` nodes.
-
-## 3.0.4 (2016-02-25)
-
-### Fixes
-
-Allow update expressions as left-hand-side of the ES7 exponential
-operator.
-
-## 3.0.2 (2016-02-10)
-
-### Fixes
-
-Fix bug that accidentally made `undefined` a reserved word when
-parsing ES7.
-
-## 3.0.0 (2016-02-10)
-
-### Breaking changes
-
-The default value of the `ecmaVersion` option is now 6 (used to be 5).
-
-Support for comprehension syntax (which was dropped from the draft
-spec) has been removed.
-
-### Fixes
-
-`let` and `yield` are now “contextual keywords”, meaning you can
-mostly use them as identifiers in ES5 non-strict code.
-
-A parenthesized class or function expression after `export default` is
-now parsed correctly.
-
-### New features
-
-When `ecmaVersion` is set to 7, Acorn will parse the exponentiation
-operator (`**`).
-
-The identifier character ranges are now based on Unicode 8.0.0.
-
-Plugins can now override the `raiseRecoverable` method to override the
-way non-critical errors are handled.
-
-## 2.7.0 (2016-01-04)
-
-### Fixes
-
-Stop allowing rest parameters in setters.
-
-Make sure the loose parser always attaches a `local` property to
-`ImportNamespaceSpecifier` nodes.
-
-Disallow `y` rexexp flag in ES5.
-
-Disallow `\00` and `\000` escapes in strict mode.
-
-Raise an error when an import name is a reserved word.
-
-## 2.6.4 (2015-11-12)
-
-### Fixes
-
-Fix crash in loose parser when parsing invalid object pattern.
-
-### New features
-
-Support plugins in the loose parser.
-
-## 2.6.2 (2015-11-10)
-
-### Fixes
-
-Don't crash when no options object is passed.
-
-## 2.6.0 (2015-11-09)
-
-### Fixes
-
-Add `await` as a reserved word in module sources.
-
-Disallow `yield` in a parameter default value for a generator.
-
-Forbid using a comma after a rest pattern in an array destructuring.
-
-### New features
-
-Support parsing stdin in command-line tool.
-
-## 2.5.2 (2015-10-27)
-
-### Fixes
-
-Fix bug where the walker walked an exported `let` statement as an
-expression.
-
-## 2.5.0 (2015-10-27)
-
-### Fixes
-
-Fix tokenizer support in the command-line tool.
-
-In the loose parser, don't allow non-string-literals as import
-sources.
-
-Stop allowing `new.target` outside of functions.
-
-Remove legacy `guard` and `guardedHandler` properties from try nodes.
-
-Stop allowing multiple `__proto__` properties on an object literal in
-strict mode.
-
-Don't allow rest parameters to be non-identifier patterns.
-
-Check for duplicate paramter names in arrow functions.

-Copyright (C) 2012-2016 by various contributors (see AUTHORS)
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

-#!/usr/bin/env node
-'use strict';
-
-var path = require('path');
-var fs = require('fs');
-var acorn = require('../dist/acorn.js');
-
-var infile;
-var forceFile;
-var silent = false;
-var compact = false;
-var tokenize = false;
-var options = {}
-
-function help(status) {
-  var print = (status == 0) ? console.log : console.error
-  print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]")
-  print("        [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]")
-  process.exit(status)
-}
-
-for (var i = 2; i < process.argv.length; ++i) {
-  var arg = process.argv[i]
-  if ((arg == "-" || arg[0] != "-") && !infile) infile = arg
-  else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i]
-  else if (arg == "--locations") options.locations = true
-  else if (arg == "--allow-hash-bang") options.allowHashBang = true
-  else if (arg == "--silent") silent = true
-  else if (arg == "--compact") compact = true
-  else if (arg == "--help") help(0)
-  else if (arg == "--tokenize") tokenize = true
-  else if (arg == "--module") options.sourceType = 'module'
-  else {
-    var match = arg.match(/^--ecma(\d+)$/)
-    if (match)
-      options.ecmaVersion = +match[1]
-    else
-      help(1)
-  }
-}
-
-function run(code) {
-  var result
-  if (!tokenize) {
-    try { result = acorn.parse(code, options) }
-    catch(e) { console.error(e.message); process.exit(1) }
-  } else {
-    result = []
-    var tokenizer = acorn.tokenizer(code, options), token
-    while (true) {
-      try { token = tokenizer.getToken() }
-      catch(e) { console.error(e.message); process.exit(1) }
-      result.push(token)
-      if (token.type == acorn.tokTypes.eof) break
-    }
-  }
-  if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2))
-}
-
-if (forceFile || infile && infile != "-") {
-  run(fs.readFileSync(infile, "utf8"))
-} else {
-  var code = ""
-  process.stdin.resume()
-  process.stdin.on("data", function (chunk) { return code += chunk; })
-  process.stdin.on("end", function () { return run(code); })
-}
\ No newline at end of file

-{
-  "_from": "acorn@^4.0.4",
-  "_id": "acorn@4.0.13",
-  "_inBundle": false,
-  "_integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
-  "_location": "/acorn-globals/acorn",
-  "_phantomChildren": {},
-  "_requested": {
-    "type": "range",
-    "registry": true,
-    "raw": "acorn@^4.0.4",
-    "name": "acorn",
-    "escapedName": "acorn",
-    "rawSpec": "^4.0.4",
-    "saveSpec": null,
-    "fetchSpec": "^4.0.4"
-  },
-  "_requiredBy": [
-    "/acorn-globals"
-  ],
-  "_resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-  "_shasum": "105495ae5361d697bd195c825192e1ad7f253787",
-  "_spec": "acorn@^4.0.4",
-  "_where": "C:\\Users\\yeari\\Desktop\\경희대\\오픈소스SW개발\\Project\\OSS-Project\\node_modules\\acorn-globals",
-  "bin": {
-    "acorn": "./bin/acorn"
-  },
-  "bugs": {
-    "url": "https://github.com/ternjs/acorn/issues"
-  },
-  "bundleDependencies": false,
-  "contributors": [
-    {
-      "name": "List of Acorn contributors. Updated before every release."
-    },
-    {
-      "name": "Adrian Rakovsky"
-    },
-    {
-      "name": "Alistair Braidwood"
-    },
-    {
-      "name": "Amila Welihinda"
-    },
-    {
-      "name": "Andres Suarez"
-    },
-    {
-      "name": "Angelo"
-    },
-    {
-      "name": "Aparajita Fishman"
-    },
-    {
-      "name": "Arian Stolwijk"
-    },
-    {
-      "name": "Artem Govorov"
-    },
-    {
-      "name": "Brandon Mills"
-    },
-    {
-      "name": "Charles Hughes"
-    },
-    {
-      "name": "Conrad Irwin"
-    },
-    {
-      "name": "Daniel Tschinder"
-    },
-    {
-      "name": "David Bonnet"
-    },
-    {
-      "name": "Domenico Matteo"
-    },
-    {
-      "name": "Forbes Lindesay"
-    },
-    {
-      "name": "Gilad Peleg"
-    },
-    {
-      "name": "impinball"
-    },
-    {
-      "name": "Ingvar Stepanyan"
-    },
-    {
-      "name": "Jackson Ray Hamilton"
-    },
-    {
-      "name": "Jesse McCarthy"
-    },
-    {
-      "name": "Jiaxing Wang"
-    },
-    {
-      "name": "Joel Kemp"
-    },
-    {
-      "name": "Johannes Herr"
-    },
-    {
-      "name": "Jordan Klassen"
-    },
-    {
-      "name": "Jürg Lehni"
-    },
-    {
-      "name": "Kai Cataldo"
-    },
-    {
-      "name": "keeyipchan"
-    },
-    {
-      "name": "Keheliya Gallaba"
-    },
-    {
-      "name": "Kevin Irish"
-    },
-    {
-      "name": "Kevin Kwok"
-    },
-    {
-      "name": "krator"
-    },
-    {
-      "name": "Marijn Haverbeke"
-    },
-    {
-      "name": "Martin Carlberg"
-    },
-    {
-      "name": "Mat Garcia"
-    },
-    {
-      "name": "Mathias Bynens"
-    },
-    {
-      "name": "Mathieu 'p01' Henri"
-    },
-    {
-      "name": "Matthew Bastien"
-    },
-    {
-      "name": "Max Schaefer"
-    },
-    {
-      "name": "Max Zerzouri"
-    },
-    {
-      "name": "Mihai Bazon"
-    },
-    {
-      "name": "Mike Rennie"
-    },
-    {
-      "name": "naoh"
-    },
-    {
-      "name": "Nicholas C. Zakas"
-    },
-    {
-      "name": "Nick Fitzgerald"
-    },
-    {
-      "name": "Olivier Thomann"
-    },
-    {
-      "name": "Oskar Schöldström"
-    },
-    {
-      "name": "Paul Harper"
-    },
-    {
-      "name": "Peter Rust"
-    },
-    {
-      "name": "PlNG"
-    },
-    {
-      "name": "Prayag Verma"
-    },
-    {
-      "name": "ReadmeCritic"
-    },
-    {
-      "name": "r-e-d"
-    },
-    {
-      "name": "Richard Gibson"
-    },
-    {
-      "name": "Rich Harris"
-    },
-    {
-      "name": "Sebastian McKenzie"
-    },
-    {
-      "name": "Simen Bekkhus"
-    },
-    {
-      "name": "Timothy Gu"
-    },
-    {
-      "name": "Toru Nagashima"
-    },
-    {
-      "name": "Wexpo Lyu"
-    },
-    {
-      "name": "zsjforcn"
-    }
-  ],
-  "deprecated": false,
-  "description": "ECMAScript parser",
-  "devDependencies": {
-    "rollup": "^0.34.1",
-    "rollup-plugin-buble": "^0.11.0",
-    "unicode-9.0.0": "^0.7.0"
-  },
-  "engines": {
-    "node": ">=0.4.0"
-  },
-  "homepage": "https://github.com/ternjs/acorn",
-  "jsnext:main": "dist/acorn.es.js",
-  "license": "MIT",
-  "main": "dist/acorn.js",
-  "maintainers": [
-    {
-      "name": "Marijn Haverbeke",
-      "email": "marijnh@gmail.com",
-      "url": "http://marijnhaverbeke.nl"
-    },
-    {
-      "name": "Ingvar Stepanyan",
-      "email": "me@rreverser.com",
-      "url": "http://rreverser.com/"
-    }
-  ],
-  "name": "acorn",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/ternjs/acorn.git"
-  },
-  "scripts": {
-    "build": "npm run build:main && npm run build:walk && npm run build:loose && npm run build:bin",
-    "build:bin": "rollup -c rollup/config.bin.js",
-    "build:loose": "rollup -c rollup/config.loose.js",
-    "build:main": "rollup -c rollup/config.main.js",
-    "build:walk": "rollup -c rollup/config.walk.js",
-    "prepublish": "npm test",
-    "pretest": "npm run build",
-    "test": "node test/run.js"
-  },
-  "version": "4.0.13"
-}

-import {basename} from "path"
-import {readFileSync as readFile} from "fs"
-import * as acorn from "acorn"
-
-let infile, forceFile, silent = false, compact = false, tokenize = false
-const options = {}
-
-function help(status) {
-  const print = (status == 0) ? console.log : console.error
-  print("usage: " + basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]")
-  print("        [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]")
-  process.exit(status)
-}
-
-for (let i = 2; i < process.argv.length; ++i) {
-  const arg = process.argv[i]
-  if ((arg == "-" || arg[0] != "-") && !infile) infile = arg
-  else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i]
-  else if (arg == "--locations") options.locations = true
-  else if (arg == "--allow-hash-bang") options.allowHashBang = true
-  else if (arg == "--silent") silent = true
-  else if (arg == "--compact") compact = true
-  else if (arg == "--help") help(0)
-  else if (arg == "--tokenize") tokenize = true
-  else if (arg == "--module") options.sourceType = 'module'
-  else {
-    let match = arg.match(/^--ecma(\d+)$/)
-    if (match)
-      options.ecmaVersion = +match[1]
-    else
-      help(1)
-  }
-}
-
-function run(code) {
-  let result
-  if (!tokenize) {
-    try { result = acorn.parse(code, options) }
-    catch(e) { console.error(e.message); process.exit(1) }
-  } else {
-    result = []
-    let tokenizer = acorn.tokenizer(code, options), token
-    while (true) {
-      try { token = tokenizer.getToken() }
-      catch(e) { console.error(e.message); process.exit(1) }
-      result.push(token)
-      if (token.type == acorn.tokTypes.eof) break
-    }
-  }
-  if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2))
-}
-
-if (forceFile || infile && infile != "-") {
-  run(readFile(infile, "utf8"))
-} else {
-  let code = ""
-  process.stdin.resume()
-  process.stdin.on("data", chunk => code += chunk)
-  process.stdin.on("end", () => run(code))
-}

-// Acorn is a tiny, fast JavaScript parser written in JavaScript.
-//
-// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and
-// various contributors and released under an MIT license.
-//
-// Git repositories for Acorn are available at
-//
-//     http://marijnhaverbeke.nl/git/acorn
-//     https://github.com/ternjs/acorn.git
-//
-// Please use the [github bug tracker][ghbt] to report issues.
-//
-// [ghbt]: https://github.com/ternjs/acorn/issues
-//
-// This file defines the main parser interface. The library also comes
-// with a [error-tolerant parser][dammit] and an
-// [abstract syntax tree walker][walk], defined in other files.
-//
-// [dammit]: acorn_loose.js
-// [walk]: util/walk.js
-
-import {Parser} from "./state"
-import "./parseutil"
-import "./statement"
-import "./lval"
-import "./expression"
-import "./location"
-
-export {Parser, plugins} from "./state"
-export {defaultOptions} from "./options"
-export {Position, SourceLocation, getLineInfo} from "./locutil"
-export {Node} from "./node"
-export {TokenType, types as tokTypes, keywords as keywordTypes} from "./tokentype"
-export {TokContext, types as tokContexts} from "./tokencontext"
-export {isIdentifierChar, isIdentifierStart} from "./identifier"
-export {Token} from "./tokenize"
-export {isNewLine, lineBreak, lineBreakG} from "./whitespace"
-
-export const version = "4.0.11"
-
-// The main exported interface (under `self.acorn` when in the
-// browser) is a `parse` function that takes a code string and
-// returns an abstract syntax tree as specified by [Mozilla parser
-// API][api].
-//
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
-
-export function parse(input, options) {
-  return new Parser(options, input).parse()
-}
-
-// This function tries to parse a single expression at a given
-// offset in a string. Useful for parsing mixed-language formats
-// that embed JavaScript expressions.
-
-export function parseExpressionAt(input, pos, options) {
-  let p = new Parser(options, input, pos)
-  p.nextToken()
-  return p.parseExpression()
-}
-
-// Acorn is organized as a tokenizer and a recursive-descent parser.
-// The `tokenizer` export provides an interface to the tokenizer.
-
-export function tokenizer(input, options) {
-  return new Parser(options, input)
-}
-
-// This is a terrible kludge to support the existing, pre-ES6
-// interface where the loose parser module retroactively adds exports
-// to this module.
-export let parse_dammit, LooseParser, pluginsLoose
-export function addLooseExports(parse, Parser, plugins) {
-  parse_dammit = parse
-  LooseParser = Parser
-  pluginsLoose = plugins
-}

-import {Parser} from "./state"
-import {Position, getLineInfo} from "./locutil"
-
-const pp = Parser.prototype
-
-// This function is used to raise exceptions on parse errors. It
-// takes an offset integer (into the current `input`) to indicate
-// the location of the error, attaches the position to the end
-// of the error message, and then raises a `SyntaxError` with that
-// message.
-
-pp.raise = function(pos, message) {
-  let loc = getLineInfo(this.input, pos)
-  message += " (" + loc.line + ":" + loc.column + ")"
-  let err = new SyntaxError(message)
-  err.pos = pos; err.loc = loc; err.raisedAt = this.pos
-  throw err
-}
-
-pp.raiseRecoverable = pp.raise
-
-pp.curPosition = function() {
-  if (this.options.locations) {
-    return new Position(this.curLine, this.pos - this.lineStart)
-  }
-}

-import {lineBreakG} from "./whitespace"
-
-// These are used when `options.locations` is on, for the
-// `startLoc` and `endLoc` properties.
-
-export class Position {
-  constructor(line, col) {
-    this.line = line
-    this.column = col
-  }
-
-  offset(n) {
-    return new Position(this.line, this.column + n)
-  }
-}
-
-export class SourceLocation {
-  constructor(p, start, end) {
-    this.start = start
-    this.end = end
-    if (p.sourceFile !== null) this.source = p.sourceFile
-  }
-}
-
-// The `getLineInfo` function is mostly useful when the
-// `locations` option is off (for performance reasons) and you
-// want to find the line/column position for a given character
-// offset. `input` should be the code string that the offset refers
-// into.
-
-export function getLineInfo(input, offset) {
-  for (let line = 1, cur = 0;;) {
-    lineBreakG.lastIndex = cur
-    let match = lineBreakG.exec(input)
-    if (match && match.index < offset) {
-      ++line
-      cur = match.index + match[0].length
-    } else {
-      return new Position(line, offset - cur)
-    }
-  }
-}

-// Acorn: Loose parser
-//
-// This module provides an alternative parser (`parse_dammit`) that
-// exposes that same interface as `parse`, but will try to parse
-// anything as JavaScript, repairing syntax error the best it can.
-// There are circumstances in which it will raise an error and give
-// up, but they are very rare. The resulting AST will be a mostly
-// valid JavaScript AST (as per the [Mozilla parser API][api], except
-// that:
-//
-// - Return outside functions is allowed
-//
-// - Label consistency (no conflicts, break only to existing labels)
-//   is not enforced.
-//
-// - Bogus Identifier nodes with a name of `"✖"` are inserted whenever
-//   the parser got too confused to return anything meaningful.
-//
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
-//
-// The expected use for this is to *first* try `acorn.parse`, and only
-// if that fails switch to `parse_dammit`. The loose parser might
-// parse badly indented code incorrectly, so **don't** use it as
-// your default parser.
-//
-// Quite a lot of acorn.js is duplicated here. The alternative was to
-// add a *lot* of extra cruft to that file, making it less readable
-// and slower. Copying and editing the code allowed me to make
-// invasive changes and simplifications without creating a complicated
-// tangle.
-
-import {addLooseExports, defaultOptions} from "../index"
-import {LooseParser, pluginsLoose} from "./state"
-import "./tokenize"
-import "./statement"
-import "./expression"
-
-export {LooseParser, pluginsLoose} from "./state"
-
-defaultOptions.tabSize = 4
-
-export function parse_dammit(input, options) {
-  let p = new LooseParser(input, options)
-  p.next()
-  return p.parseTopLevel()
-}
-
-addLooseExports(parse_dammit, LooseParser, pluginsLoose)

-export function isDummy(node) { return node.name == "✖" }
\ No newline at end of file

-import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from "../index"
-
-// Registered plugins
-export const pluginsLoose = {}
-
-export class LooseParser {
-  constructor(input, options = {}) {
-    this.toks = tokenizer(input, options)
-    this.options = this.toks.options
-    this.input = this.toks.input
-    this.tok = this.last = {type: tt.eof, start: 0, end: 0}
-    if (this.options.locations) {
-      let here = this.toks.curPosition()
-      this.tok.loc = new SourceLocation(this.toks, here, here)
-    }
-    this.ahead = [] // Tokens ahead
-    this.context = [] // Indentation contexted
-    this.curIndent = 0
-    this.curLineStart = 0
-    this.nextLineStart = this.lineEnd(this.curLineStart) + 1
-    this.inAsync = false
-    // Load plugins
-    this.options.pluginsLoose = options.pluginsLoose || {}
-    this.loadPlugins(this.options.pluginsLoose)
-  }
-
-  startNode() {
-    return new Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null)
-  }
-
-  storeCurrentPos() {
-    return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start
-  }
-
-  startNodeAt(pos) {
-    if (this.options.locations) {
-      return new Node(this.toks, pos[0], pos[1])
-    } else {
-      return new Node(this.toks, pos)
-    }
-  }
-
-  finishNode(node, type) {
-    node.type = type
-    node.end = this.last.end
-    if (this.options.locations)
-      node.loc.end = this.last.loc.end
-    if (this.options.ranges)
-      node.range[1] = this.last.end
-    return node
-  }
-
-  dummyNode(type) {
-    let dummy = this.startNode()
-    dummy.type = type
-    dummy.end = dummy.start
-    if (this.options.locations)
-      dummy.loc.end = dummy.loc.start
-    if (this.options.ranges)
-      dummy.range[1] = dummy.start
-    this.last = {type: tt.name, start: dummy.start, end: dummy.start, loc: dummy.loc}
-    return dummy
-  }
-
-  dummyIdent() {
-    let dummy = this.dummyNode("Identifier")
-    dummy.name = "✖"
-    return dummy
-  }
-
-  dummyString() {
-    let dummy = this.dummyNode("Literal")
-    dummy.value = dummy.raw = "✖"
-    return dummy
-  }
-
-  eat(type) {
-    if (this.tok.type === type) {
-      this.next()
-      return true
-    } else {
-      return false
-    }
-  }
-
-  isContextual(name) {
-    return this.tok.type === tt.name && this.tok.value === name
-  }
-
-  eatContextual(name) {
-    return this.tok.value === name && this.eat(tt.name)
-  }
-
-  canInsertSemicolon() {
-    return this.tok.type === tt.eof || this.tok.type === tt.braceR ||
-      lineBreak.test(this.input.slice(this.last.end, this.tok.start))
-  }
-
-  semicolon() {
-    return this.eat(tt.semi)
-  }
-
-  expect(type) {
-    if (this.eat(type)) return true
-    for (let i = 1; i <= 2; i++) {
-      if (this.lookAhead(i).type == type) {
-        for (let j = 0; j < i; j++) this.next()
-        return true
-      }
-    }
-  }
-
-  pushCx() {
-    this.context.push(this.curIndent)
-  }
-
-  popCx() {
-    this.curIndent = this.context.pop()
-  }
-
-  lineEnd(pos) {
-    while (pos < this.input.length && !isNewLine(this.input.charCodeAt(pos))) ++pos
-    return pos
-  }
-
-  indentationAfter(pos) {
-    for (let count = 0;; ++pos) {
-      let ch = this.input.charCodeAt(pos)
-      if (ch === 32) ++count
-      else if (ch === 9) count += this.options.tabSize
-      else return count
-    }
-  }
-
-  closes(closeTok, indent, line, blockHeuristic) {
-    if (this.tok.type === closeTok || this.tok.type === tt.eof) return true
-    return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() &&
-      (!blockHeuristic || this.nextLineStart >= this.input.length ||
-       this.indentationAfter(this.nextLineStart) < indent)
-  }
-
-  tokenStartsLine() {
-    for (let p = this.tok.start - 1; p >= this.curLineStart; --p) {
-      let ch = this.input.charCodeAt(p)
-      if (ch !== 9 && ch !== 32) return false
-    }
-    return true
-  }
-
-  extend(name, f) {
-    this[name] = f(this[name])
-  }
-
-  loadPlugins(pluginConfigs) {
-    for (let name in pluginConfigs) {
-      let plugin = pluginsLoose[name]
-      if (!plugin) throw new Error("Plugin '" + name + "' not found")
-      plugin(this, pluginConfigs[name])
-    }
-  }
-}

-import {tokTypes as tt, Token, isNewLine, SourceLocation, getLineInfo, lineBreakG} from "../index"
-import {LooseParser} from "./state"
-
-const lp = LooseParser.prototype
-
-function isSpace(ch) {
-  return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || isNewLine(ch)
-}
-
-lp.next = function() {
-  this.last = this.tok
-  if (this.ahead.length)
-    this.tok = this.ahead.shift()
-  else
-    this.tok = this.readToken()
-
-  if (this.tok.start >= this.nextLineStart) {
-    while (this.tok.start >= this.nextLineStart) {
-      this.curLineStart = this.nextLineStart
-      this.nextLineStart = this.lineEnd(this.curLineStart) + 1
-    }
-    this.curIndent = this.indentationAfter(this.curLineStart)
-  }
-}
-
-lp.readToken = function() {
-  for (;;) {
-    try {
-      this.toks.next()
-      if (this.toks.type === tt.dot &&
-          this.input.substr(this.toks.end, 1) === "." &&
-          this.options.ecmaVersion >= 6) {
-        this.toks.end++
-        this.toks.type = tt.ellipsis
-      }
-      return new Token(this.toks)
-    } catch(e) {
-      if (!(e instanceof SyntaxError)) throw e
-
-      // Try to skip some text, based on the error message, and then continue
-      let msg = e.message, pos = e.raisedAt, replace = true
-      if (/unterminated/i.test(msg)) {
-        pos = this.lineEnd(e.pos + 1)
-        if (/string/.test(msg)) {
-          replace = {start: e.pos, end: pos, type: tt.string, value: this.input.slice(e.pos + 1, pos)}
-        } else if (/regular expr/i.test(msg)) {
-          let re = this.input.slice(e.pos, pos)
-          try { re = new RegExp(re) } catch(e) {}
-          replace = {start: e.pos, end: pos, type: tt.regexp, value: re}
-        } else if (/template/.test(msg)) {
-          replace = {start: e.pos, end: pos,
-                     type: tt.template,
-                     value: this.input.slice(e.pos, pos)}
-        } else {
-          replace = false
-        }
-      } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) {
-        while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) ++pos
-      } else if (/character escape|expected hexadecimal/i.test(msg)) {
-        while (pos < this.input.length) {
-          let ch = this.input.charCodeAt(pos++)
-          if (ch === 34 || ch === 39 || isNewLine(ch)) break
-        }
-      } else if (/unexpected character/i.test(msg)) {
-        pos++
-        replace = false
-      } else if (/regular expression/i.test(msg)) {
-        replace = true
-      } else {
-        throw e
-      }
-      this.resetTo(pos)
-      if (replace === true) replace = {start: pos, end: pos, type: tt.name, value: "✖"}
-      if (replace) {
-        if (this.options.locations)
-          replace.loc = new SourceLocation(
-            this.toks,
-            getLineInfo(this.input, replace.start),
-            getLineInfo(this.input, replace.end))
-        return replace
-      }
-    }
-  }
-}
-
-lp.resetTo = function(pos) {
-  this.toks.pos = pos
-  let ch = this.input.charAt(pos - 1)
-  this.toks.exprAllowed = !ch || /[\[\{\(,;:?\/*=+\-~!|&%^<>]/.test(ch) ||
-    /[enwfd]/.test(ch) &&
-    /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos))
-
-  if (this.options.locations) {
-    this.toks.curLine = 1
-    this.toks.lineStart = lineBreakG.lastIndex = 0
-    let match
-    while ((match = lineBreakG.exec(this.input)) && match.index < pos) {
-      ++this.toks.curLine
-      this.toks.lineStart = match.index + match[0].length
-    }
-  }
-}
-
-lp.lookAhead = function(n) {
-  while (n > this.ahead.length)
-    this.ahead.push(this.readToken())
-  return this.ahead[n - 1]
-}

-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {has} from "./util"
-
-const pp = Parser.prototype
-
-// Convert existing expression atom to assignable pattern
-// if possible.
-
-pp.toAssignable = function(node, isBinding) {
-  if (this.options.ecmaVersion >= 6 && node) {
-    switch (node.type) {
-      case "Identifier":
-      if (this.inAsync && node.name === "await")
-        this.raise(node.start, "Can not use 'await' as identifier inside an async function")
-      break
-
-    case "ObjectPattern":
-    case "ArrayPattern":
-      break
-
-    case "ObjectExpression":
-      node.type = "ObjectPattern"
-      for (let i = 0; i < node.properties.length; i++) {
-        let prop = node.properties[i]
-        if (prop.kind !== "init") this.raise(prop.key.start, "Object pattern can't contain getter or setter")
-        this.toAssignable(prop.value, isBinding)
-      }
-      break
-
-    case "ArrayExpression":
-      node.type = "ArrayPattern"
-      this.toAssignableList(node.elements, isBinding)
-      break
-
-    case "AssignmentExpression":
-      if (node.operator === "=") {
-        node.type = "AssignmentPattern"
-        delete node.operator
-        this.toAssignable(node.left, isBinding)
-        // falls through to AssignmentPattern
-      } else {
-        this.raise(node.left.end, "Only '=' operator can be used for specifying default value.")
-        break
-      }
-
-    case "AssignmentPattern":
-      break
-
-    case "ParenthesizedExpression":
-      node.expression = this.toAssignable(node.expression, isBinding)
-      break
-
-    case "MemberExpression":
-      if (!isBinding) break
-
-    default:
-      this.raise(node.start, "Assigning to rvalue")
-    }
-  }
-  return node
-}
-
-// Convert list of expression atoms to binding list.
-
-pp.toAssignableList = function(exprList, isBinding) {
-  let end = exprList.length
-  if (end) {
-    let last = exprList[end - 1]
-    if (last && last.type == "RestElement") {
-      --end
-    } else if (last && last.type == "SpreadElement") {
-      last.type = "RestElement"
-      let arg = last.argument
-      this.toAssignable(arg, isBinding)
-      if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern")
-        this.unexpected(arg.start)
-      --end
-    }
-
-    if (isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")
-      this.unexpected(last.argument.start)
-  }
-  for (let i = 0; i < end; i++) {
-    let elt = exprList[i]
-    if (elt) this.toAssignable(elt, isBinding)
-  }
-  return exprList
-}
-
-// Parses spread element.
-
-pp.parseSpread = function(refDestructuringErrors) {
-  let node = this.startNode()
-  this.next()
-  node.argument = this.parseMaybeAssign(false, refDestructuringErrors)
-  return this.finishNode(node, "SpreadElement")
-}
-
-pp.parseRest = function(allowNonIdent) {
-  let node = this.startNode()
-  this.next()
-
-  // RestElement inside of a function parameter must be an identifier
-  if (allowNonIdent) node.argument = this.type === tt.name ? this.parseIdent() : this.unexpected()
-  else node.argument = this.type === tt.name || this.type === tt.bracketL ? this.parseBindingAtom() : this.unexpected()
-
-  return this.finishNode(node, "RestElement")
-}
-
-// Parses lvalue (assignable) atom.
-
-pp.parseBindingAtom = function() {
-  if (this.options.ecmaVersion < 6) return this.parseIdent()
-  switch (this.type) {
-  case tt.name:
-    return this.parseIdent()
-
-  case tt.bracketL:
-    let node = this.startNode()
-    this.next()
-    node.elements = this.parseBindingList(tt.bracketR, true, true)
-    return this.finishNode(node, "ArrayPattern")
-
-  case tt.braceL:
-    return this.parseObj(true)
-
-  default:
-    this.unexpected()
-  }
-}
-
-pp.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowNonIdent) {
-  let elts = [], first = true
-  while (!this.eat(close)) {
-    if (first) first = false
-    else this.expect(tt.comma)
-    if (allowEmpty && this.type === tt.comma) {
-      elts.push(null)
-    } else if (allowTrailingComma && this.afterTrailingComma(close)) {
-      break
-    } else if (this.type === tt.ellipsis) {
-      let rest = this.parseRest(allowNonIdent)
-      this.parseBindingListItem(rest)
-      elts.push(rest)
-      if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
-      this.expect(close)
-      break
-    } else {
-      let elem = this.parseMaybeDefault(this.start, this.startLoc)
-      this.parseBindingListItem(elem)
-      elts.push(elem)
-    }
-  }
-  return elts
-}
-
-pp.parseBindingListItem = function(param) {
-  return param
-}
-
-// Parses assignment pattern around given atom if possible.
-
-pp.parseMaybeDefault = function(startPos, startLoc, left) {
-  left = left || this.parseBindingAtom()
-  if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left
-  let node = this.startNodeAt(startPos, startLoc)
-  node.left = left
-  node.right = this.parseMaybeAssign()
-  return this.finishNode(node, "AssignmentPattern")
-}
-
-// Verify that a node is an lval — something that can be assigned
-// to.
-
-pp.checkLVal = function(expr, isBinding, checkClashes) {
-  switch (expr.type) {
-  case "Identifier":
-    if (this.strict && this.reservedWordsStrictBind.test(expr.name))
-      this.raiseRecoverable(expr.start, (isBinding ? "Binding " : "Assigning to ") + expr.name + " in strict mode")
-    if (checkClashes) {
-      if (has(checkClashes, expr.name))
-        this.raiseRecoverable(expr.start, "Argument name clash")
-      checkClashes[expr.name] = true
-    }
-    break
-
-  case "MemberExpression":
-    if (isBinding) this.raiseRecoverable(expr.start, (isBinding ? "Binding" : "Assigning to") + " member expression")
-    break
-
-  case "ObjectPattern":
-    for (let i = 0; i < expr.properties.length; i++)
-      this.checkLVal(expr.properties[i].value, isBinding, checkClashes)
-    break
-
-  case "ArrayPattern":
-    for (let i = 0; i < expr.elements.length; i++) {
-      let elem = expr.elements[i]
-      if (elem) this.checkLVal(elem, isBinding, checkClashes)
-    }
-    break
-
-  case "AssignmentPattern":
-    this.checkLVal(expr.left, isBinding, checkClashes)
-    break
-
-  case "RestElement":
-    this.checkLVal(expr.argument, isBinding, checkClashes)
-    break
-
-  case "ParenthesizedExpression":
-    this.checkLVal(expr.expression, isBinding, checkClashes)
-    break
-
-  default:
-    this.raise(expr.start, (isBinding ? "Binding" : "Assigning to") + " rvalue")
-  }
-}

-import {Parser} from "./state"
-import {SourceLocation} from "./locutil"
-
-export class Node {
-  constructor(parser, pos, loc) {
-    this.type = ""
-    this.start = pos
-    this.end = 0
-    if (parser.options.locations)
-      this.loc = new SourceLocation(parser, loc)
-    if (parser.options.directSourceFile)
-      this.sourceFile = parser.options.directSourceFile
-    if (parser.options.ranges)
-      this.range = [pos, 0]
-  }
-}
-
-// Start an AST node, attaching a start offset.
-
-const pp = Parser.prototype
-
-pp.startNode = function() {
-  return new Node(this, this.start, this.startLoc)
-}
-
-pp.startNodeAt = function(pos, loc) {
-  return new Node(this, pos, loc)
-}
-
-// Finish an AST node, adding `type` and `end` properties.
-
-function finishNodeAt(node, type, pos, loc) {
-  node.type = type
-  node.end = pos
-  if (this.options.locations)
-    node.loc.end = loc
-  if (this.options.ranges)
-    node.range[1] = pos
-  return node
-}
-
-pp.finishNode = function(node, type) {
-  return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)
-}
-
-// Finish node at given position
-
-pp.finishNodeAt = function(node, type, pos, loc) {
-  return finishNodeAt.call(this, node, type, pos, loc)
-}

-import {has, isArray} from "./util"
-import {SourceLocation} from "./locutil"
-
-// A second optional argument can be given to further configure
-// the parser process. These options are recognized:
-
-export const defaultOptions = {
-  // `ecmaVersion` indicates the ECMAScript version to parse. Must
-  // be either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support
-  // for strict mode, the set of reserved words, and support for
-  // new syntax features. The default is 7.
-  ecmaVersion: 7,
-  // `sourceType` indicates the mode the code should be parsed in.
-  // Can be either `"script"` or `"module"`. This influences global
-  // strict mode and parsing of `import` and `export` declarations.
-  sourceType: "script",
-  // `onInsertedSemicolon` can be a callback that will be called
-  // when a semicolon is automatically inserted. It will be passed
-  // th position of the comma as an offset, and if `locations` is
-  // enabled, it is given the location as a `{line, column}` object
-  // as second argument.
-  onInsertedSemicolon: null,
-  // `onTrailingComma` is similar to `onInsertedSemicolon`, but for
-  // trailing commas.
-  onTrailingComma: null,
-  // By default, reserved words are only enforced if ecmaVersion >= 5.
-  // Set `allowReserved` to a boolean value to explicitly turn this on
-  // an off. When this option has the value "never", reserved words
-  // and keywords can also not be used as property names.
-  allowReserved: null,
-  // When enabled, a return at the top level is not considered an
-  // error.
-  allowReturnOutsideFunction: false,
-  // When enabled, import/export statements are not constrained to
-  // appearing at the top of the program.
-  allowImportExportEverywhere: false,
-  // When enabled, hashbang directive in the beginning of file
-  // is allowed and treated as a line comment.
-  allowHashBang: false,
-  // When `locations` is on, `loc` properties holding objects with
-  // `start` and `end` properties in `{line, column}` form (with
-  // line being 1-based and column 0-based) will be attached to the
-  // nodes.
-  locations: false,
-  // A function can be passed as `onToken` option, which will
-  // cause Acorn to call that function with object in the same
-  // format as tokens returned from `tokenizer().getToken()`. Note
-  // that you are not allowed to call the parser from the
-  // callback—that will corrupt its internal state.
-  onToken: null,
-  // A function can be passed as `onComment` option, which will
-  // cause Acorn to call that function with `(block, text, start,
-  // end)` parameters whenever a comment is skipped. `block` is a
-  // boolean indicating whether this is a block (`/* */`) comment,
-  // `text` is the content of the comment, and `start` and `end` are
-  // character offsets that denote the start and end of the comment.
-  // When the `locations` option is on, two more parameters are
-  // passed, the full `{line, column}` locations of the start and
-  // end of the comments. Note that you are not allowed to call the
-  // parser from the callback—that will corrupt its internal state.
-  onComment: null,
-  // Nodes have their start and end characters offsets recorded in
-  // `start` and `end` properties (directly on the node, rather than
-  // the `loc` object, which holds line/column data. To also add a
-  // [semi-standardized][range] `range` property holding a `[start,
-  // end]` array with the same numbers, set the `ranges` option to
-  // `true`.
-  //
-  // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
-  ranges: false,
-  // It is possible to parse multiple files into a single AST by
-  // passing the tree produced by parsing the first file as
-  // `program` option in subsequent parses. This will add the
-  // toplevel forms of the parsed file to the `Program` (top) node
-  // of an existing parse tree.
-  program: null,
-  // When `locations` is on, you can pass this to record the source
-  // file in every node's `loc` object.
-  sourceFile: null,
-  // This value, if given, is stored in every node, whether
-  // `locations` is on or off.
-  directSourceFile: null,
-  // When enabled, parenthesized expressions are represented by
-  // (non-standard) ParenthesizedExpression nodes
-  preserveParens: false,
-  plugins: {}
-}
-
-// Interpret and default an options object
-
-export function getOptions(opts) {
-  let options = {}
-
-  for (let opt in defaultOptions)
-    options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]
-
-  if (options.ecmaVersion >= 2015)
-    options.ecmaVersion -= 2009
-
-  if (options.allowReserved == null)
-    options.allowReserved = options.ecmaVersion < 5
-
-  if (isArray(options.onToken)) {
-    let tokens = options.onToken
-    options.onToken = (token) => tokens.push(token)
-  }
-  if (isArray(options.onComment))
-    options.onComment = pushComment(options, options.onComment)
-
-  return options
-}
-
-function pushComment(options, array) {
-  return function (block, text, start, end, startLoc, endLoc) {
-    let comment = {
-      type: block ? 'Block' : 'Line',
-      value: text,
-      start: start,
-      end: end
-    }
-    if (options.locations)
-      comment.loc = new SourceLocation(this, startLoc, endLoc)
-    if (options.ranges)
-      comment.range = [start, end]
-    array.push(comment)
-  }
-}
-

-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {lineBreak, skipWhiteSpace} from "./whitespace"
-
-const pp = Parser.prototype
-
-// ## Parser utilities
-
-const literal = /^(?:'((?:[^\']|\.)*)'|"((?:[^\"]|\.)*)"|;)/
-pp.strictDirective = function(start) {
-  for (;;) {
-    skipWhiteSpace.lastIndex = start
-    start += skipWhiteSpace.exec(this.input)[0].length
-    let match = literal.exec(this.input.slice(start))
-    if (!match) return false
-    if ((match[1] || match[2]) == "use strict") return true
-    start += match[0].length
-  }
-}
-
-// Predicate that tests whether the next token is of the given
-// type, and if yes, consumes it as a side effect.
-
-pp.eat = function(type) {
-  if (this.type === type) {
-    this.next()
-    return true
-  } else {
-    return false
-  }
-}
-
-// Tests whether parsed token is a contextual keyword.
-
-pp.isContextual = function(name) {
-  return this.type === tt.name && this.value === name
-}
-
-// Consumes contextual keyword if possible.
-
-pp.eatContextual = function(name) {
-  return this.value === name && this.eat(tt.name)
-}
-
-// Asserts that following token is given contextual keyword.
-
-pp.expectContextual = function(name) {
-  if (!this.eatContextual(name)) this.unexpected()
-}
-
-// Test whether a semicolon can be inserted at the current position.
-
-pp.canInsertSemicolon = function() {
-  return this.type === tt.eof ||
-    this.type === tt.braceR ||
-    lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
-}
-
-pp.insertSemicolon = function() {
-  if (this.canInsertSemicolon()) {
-    if (this.options.onInsertedSemicolon)
-      this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc)
-    return true
-  }
-}
-
-// Consume a semicolon, or, failing that, see if we are allowed to
-// pretend that there is a semicolon at this position.
-
-pp.semicolon = function() {
-  if (!this.eat(tt.semi) && !this.insertSemicolon()) this.unexpected()
-}
-
-pp.afterTrailingComma = function(tokType, notNext) {
-  if (this.type == tokType) {
-    if (this.options.onTrailingComma)
-      this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc)
-    if (!notNext)
-      this.next()
-    return true
-  }
-}
-
-// Expect a token of a given type. If found, consume it, otherwise,
-// raise an unexpected token error.
-
-pp.expect = function(type) {
-  this.eat(type) || this.unexpected()
-}
-
-// Raise an unexpected token error.
-
-pp.unexpected = function(pos) {
-  this.raise(pos != null ? pos : this.start, "Unexpected token")
-}
-
-export class DestructuringErrors {
-  constructor() {
-    this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = -1
-  }
-}
-
-pp.checkPatternErrors = function(refDestructuringErrors, isAssign) {
-  if (!refDestructuringErrors) return
-  if (refDestructuringErrors.trailingComma > -1)
-    this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element")
-  let parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind
-  if (parens > -1) this.raiseRecoverable(parens, "Parenthesized pattern")
-}
-
-pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
-  let pos = refDestructuringErrors ? refDestructuringErrors.shorthandAssign : -1
-  if (!andThrow) return pos >= 0
-  if (pos > -1) this.raise(pos, "Shorthand property assignments are valid only in destructuring patterns")
-}
-
-pp.checkYieldAwaitInDefaultParams = function() {
-  if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))
-    this.raise(this.yieldPos, "Yield expression cannot be a default value")
-  if (this.awaitPos)
-    this.raise(this.awaitPos, "Await expression cannot be a default value")
-}
-
-pp.isSimpleAssignTarget = function(expr) {
-  if (expr.type === "ParenthesizedExpression")
-    return this.isSimpleAssignTarget(expr.expression)
-  return expr.type === "Identifier" || expr.type === "MemberExpression"
-}

-import {reservedWords, keywords} from "./identifier"
-import {types as tt} from "./tokentype"
-import {lineBreak} from "./whitespace"
-import {getOptions} from "./options"
-
-// Registered plugins
-export const plugins = {}
-
-function keywordRegexp(words) {
-  return new RegExp("^(" + words.replace(/ /g, "|") + ")$")
-}
-
-export class Parser {
-  constructor(options, input, startPos) {
-    this.options = options = getOptions(options)
-    this.sourceFile = options.sourceFile
-    this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5])
-    let reserved = ""
-    if (!options.allowReserved) {
-      for (let v = options.ecmaVersion;; v--)
-        if (reserved = reservedWords[v]) break
-      if (options.sourceType == "module") reserved += " await"
-    }
-    this.reservedWords = keywordRegexp(reserved)
-    let reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict
-    this.reservedWordsStrict = keywordRegexp(reservedStrict)
-    this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind)
-    this.input = String(input)
-
-    // Used to signal to callers of `readWord1` whether the word
-    // contained any escape sequences. This is needed because words with
-    // escape sequences must not be interpreted as keywords.
-    this.containsEsc = false
-
-    // Load plugins
-    this.loadPlugins(options.plugins)
-
-    // Set up token state
-
-    // The current position of the tokenizer in the input.
-    if (startPos) {
-      this.pos = startPos
-      this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1
-      this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length
-    } else {
-      this.pos = this.lineStart = 0
-      this.curLine = 1
-    }
-
-    // Properties of the current token:
-    // Its type
-    this.type = tt.eof
-    // For tokens that include more information than their type, the value
-    this.value = null
-    // Its start and end offset
-    this.start = this.end = this.pos
-    // And, if locations are used, the {line, column} object
-    // corresponding to those offsets
-    this.startLoc = this.endLoc = this.curPosition()
-
-    // Position information for the previous token
-    this.lastTokEndLoc = this.lastTokStartLoc = null
-    this.lastTokStart = this.lastTokEnd = this.pos
-
-    // The context stack is used to superficially track syntactic
-    // context to predict whether a regular expression is allowed in a
-    // given position.
-    this.context = this.initialContext()
-    this.exprAllowed = true
-
-    // Figure out if it's a module code.
-    this.inModule = options.sourceType === "module"
-    this.strict = this.inModule || this.strictDirective(this.pos)
-
-    // Used to signify the start of a potential arrow function
-    this.potentialArrowAt = -1
-
-    // Flags to track whether we are in a function, a generator, an async function.
-    this.inFunction = this.inGenerator = this.inAsync = false
-    // Positions to delayed-check that yield/await does not exist in default parameters.
-    this.yieldPos = this.awaitPos = 0
-    // Labels in scope.
-    this.labels = []
-
-    // If enabled, skip leading hashbang line.
-    if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === '#!')
-      this.skipLineComment(2)
-  }
-
-  // DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them
-  isKeyword(word) { return this.keywords.test(word) }
-  isReservedWord(word) { return this.reservedWords.test(word) }
-
-  extend(name, f) {
-    this[name] = f(this[name])
-  }
-
-  loadPlugins(pluginConfigs) {
-    for (let name in pluginConfigs) {
-      let plugin = plugins[name]
-      if (!plugin) throw new Error("Plugin '" + name + "' not found")
-      plugin(this, pluginConfigs[name])
-    }
-  }
-
-  parse() {
-    let node = this.options.program || this.startNode()
-    this.nextToken()
-    return this.parseTopLevel(node)
-  }
-}