first commit

.babelrc

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+{
+  "presets": [
+    [
+      "env",
+      {
+        "targets": {
+          "node": "7.6"
+        }
+      }
+    ]
+  ],
+  "plugins": ["transform-class-properties", "transform-object-rest-spread"]
+}

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

.eslintrc.js

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+module.exports = {
+  parser: 'babel-eslint',
+  extends: ['yoctol-base', 'prettier'],
+  env: {
+    node: true,
+    jest: true,
+    jasmine: true,
+  },
+  plugins: ['prettier'],
+  rules: {
+    'class-methods-use-this': 'off',
+    'consistent-return': 'off',
+    'global-require': 'off',
+    'no-param-reassign': 'off',
+    'prefer-destructuring': 'off',
+    'prettier/prettier': [
+      'error',
+      {
+        trailingComma: 'es5',
+        singleQuote: true,
+      },
+    ],
+  },
+};

.gitignore

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+.DS_Store
+node_modules
+npm-debug.log*
+yarn-error.log
+coverage
+junit.xml
+lib

.travis.yml

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+language: node_js
+node_js:
+  - "stable"
+  - "9"
+  - "8"
+cache:
+  yarn: true
+  directories:
+    - "node_modules"
+script:
+  - npm run lint
+  - npm run testonly:cov
+
+notifications:
+  email:
+    on_success: never

CHANGELOG.md

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+# 0.1.0 / 2017-12-05
+
+* [new] Support express middleware

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2017-present Yoctol (github.com/bottenderjs/bottender-chatbase)
+
+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.

README.md

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+# Bottender Chatbase
+
+[![npm](https://img.shields.io/npm/v/bottender-chatbase.svg?style=flat-square)](https://www.npmjs.com/package/bottender-chatbase)
+[![Build Status](https://travis-ci.org/bottenderjs/bottender-chatbase.svg?branch=master)](https://travis-ci.org/bottenderjs/bottender-chatbase)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
+> Middleware for using [Chatbase](https://chatbase.com/welcome) with
+> [Bottender](https://github.com/Yoctol/bottender).
+
+## Installation
+
+```sh
+npm install bottender-chatbase
+```
+
+## Example
+
+```js
+const { MessengerBot } = require('bottender');
+const { createServer } = require('bottender/express');
+const chatbaseMiddleware = require('bottender-chatbase/express');
+
+const bot = new MessengerBot({
+  accessToken: '__FILL_YOUR_TOKEN_HERE__',
+  appSecret: '__FILL_YOUR_SECRET_HERE__',
+});
+
+bot.onEvent(async context => {
+  await context.sendText('Hello World');
+});
+
+const server = createServer(bot, {
+  verifyToken: '__FILL_YOUR_VERIFY_TOKEN_HERE__',
+  webhookMiddleware: chatbaseMiddleware(bot, {
+    apiKey: '__FILL_YOUR_CHATBASE_KEY_HERE__',
+    platform: 'Facebook',
+  }),
+});
+
+server.listen(5000, () => {
+  console.log('server is running on 5000 port...');
+});
+```
+
+## Contributing
+
+Pull Requests and issue reports are welcome. You can follow steps below to
+submit your pull requests:
+
+Fork, then clone the repo:
+
+```sh
+git clone git@github.com:your-username/bottender-chatbase.git
+```
+
+Install the dependencies:
+
+```sh
+cd bottender-chatbase
+yarn
+```
+
+Make sure the tests pass (including eslint, flow checks and jest tests):
+
+```sh
+yarn test
+```
+
+Make your changes and tests, and make sure the tests pass.
+
+## License
+
+MIT © [Yoctol](https://github.com/bottenderjs/bottender-chatbase)

express.js

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+module.exports = require('./lib/express').default;

package.json

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+{
+  "name": "bottender-chatbase",
+  "version": "0.1.0",
+  "description": "Middleware for using Chatbase with Bottender.",
+  "main": "lib/index.js",
+  "keywords": [
+    "bottender",
+    "chatbase"
+  ],
+  "license": "MIT",
+  "engines": {
+    "node": ">=7.6"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bottenderjs/bottender-chatbase.git"
+  },
+  "files": [
+    "lib",
+    "express.js",
+    "koa.js",
+    "micro.js",
+    "restify.js"
+  ],
+  "scripts": {
+    "build": "npm run clean && babel src -d lib --ignore __tests__",
+    "clean": "rimraf lib",
+    "lint": "eslint src",
+    "lint:fix": "npm run lint -- --fix",
+    "lint:staged": "lint-staged",
+    "precommit": "lint-staged",
+    "test": "npm run lint:fix && npm run testonly",
+    "testonly": "jest",
+    "testonly:cov": "jest --coverage --runInBand --forceExit",
+    "testonly:watch": "jest --watch",
+    "preversion": "npm test",
+    "prepublish": "npm run build"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-eslint": "^8.0.3",
+    "babel-jest": "^21.2.0",
+    "babel-plugin-transform-class-properties": "^6.24.1",
+    "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-preset-env": "^1.6.1",
+    "eslint": "^4.12.1",
+    "eslint-config-prettier": "^2.9.0",
+    "eslint-config-yoctol-base": "^0.14.1",
+    "eslint-plugin-import": "^2.8.0",
+    "eslint-plugin-prettier": "^2.3.1",
+    "husky": "^0.14.3",
+    "jest": "^21.2.1",
+    "lint-staged": "^6.0.0",
+    "prettier": "^1.8.2",
+    "rimraf": "^2.6.2"
+  },
+  "jest": {
+    "testEnvironment": "node",
+    "timers": "fake",
+    "resetModules": true,
+    "resetMocks": true
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
+  },
+  "dependencies": {
+    "@google/chatbase": "^1.0.0"
+  }
+}

src/__tests__/index.spec.js

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+it('should print error when require it', () => {
+  expect(() => require('../')).toThrow();
+});

src/express.js

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+import _chatbase from '@google/chatbase';
+
+export default function chatbaseMiddleware(bot, { apiKey, platform }) {
+  const chatbase = _chatbase.setApiKey(apiKey).setPlatform(platform);
+
+  const { client } = bot.connector;
+  const axios = client.axios;
+
+  // Add a response interceptor
+  axios.interceptors.response.use(response => {
+    const { config } = response;
+    if (/graph\.facebook\.com.*\/me\/messages/.test(config.url)) {
+      const { recipient: { id }, message: { text } } = JSON.parse(config.data);
+
+      chatbase
+        .newMessage()
+        .setAsTypeAgent()
+        .setUserId(id)
+        .setTimestamp(Date.now().toString())
+        .setMessage(text)
+        .send()
+        .catch(e => console.error(e));
+    }
+    return response;
+  });
+
+  return (req, res, next) => {
+    const {
+      sender: { id },
+      message: { text },
+    } = req.body.entry[0].messaging[0];
+
+    chatbase
+      .newMessage()
+      .setAsTypeUser()
+      .setUserId(id)
+      .setTimestamp(Date.now().toString())
+      .setMessage(text)
+      .send()
+      .catch(e => console.error(e));
+
+    next();
+  };
+}

src/index.js

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+throw new Error(
+  "do not `require('bottender-chatbase')` directly, use one of submoudles instead. For example, `require('bottender-chatbase/express')`."
+);