diff --git a/.eslintrc.js b/.eslintrc.js
index 5f63b0c..591e50e 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,17 +1,20 @@
 module.exports = {
-    "env": {
-        "commonjs": true,
-        "es6": true,
-        "node": true
-    },
-    "extends": "eslint:recommended",
-    "globals": {
-        "Atomics": "readonly",
-        "SharedArrayBuffer": "readonly"
-    },
-    "parserOptions": {
-        "ecmaVersion": 2018
-    },
-    "rules": {
-    }
-};
\ No newline at end of file
+  env: {
+    commonjs: true,
+    es6: true,
+    node: true,
+  },
+  extends: [
+    'airbnb-base',
+  ],
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly',
+  },
+  parserOptions: {
+    ecmaVersion: 2018,
+  },
+  rules: {
+    indent: ['error', 4]
+  },
+};
diff --git a/lib/transport.js b/lib/transport.js
index 38fbc6f..8f7ec76 100644
--- a/lib/transport.js
+++ b/lib/transport.js
@@ -1,4 +1,4 @@
-"use strict";
+const MODULE_NAME = 'TRANSPORT';
 
 const MAX_LENGTH = 4096;
 const DEFAULT_EXPIRED_MS = 60;
@@ -9,28 +9,63 @@ const truncateLine = require('custom-truncate/lib/line');
 const messagingService = require('komodo-center-messaging-client-lib');
 
 const config = require('komodo-sdk/config');
-const logger = require('komodo-sdk/logger')
+const logger = require('komodo-sdk/logger');
 
 const addressbook = require('./addressbook');
 
 const bot = new Telegraf(config.telegram.token);
 
+async function sendMessageViaTelegram(chatId, msg) {
+    const [head, tail] = truncateLine(msg, MAX_LENGTH);
+
+    try {
+        await bot.telegram.sendMessage(chatId, head);
+    } catch (e) {
+        logger.warn(`D16D620A ${MODULE_NAME}: Exception on sending message to telegram API server`, {
+            chatId,
+            msg,
+            errCode: e.code,
+            errMessage: e.message,
+        });
+        return;
+    }
+
+    if (tail) {
+        sendMessageViaTelegram(chatId, tail);
+    }
+}
+
+function sendToMessagingService(partner, msg) {
+    if (!msg || (typeof msg === 'string' && !msg.trim())) {
+        return;
+    }
+
+    if (messagingService && messagingService.onIncomingMessage) {
+        messagingService.onIncomingMessage({
+            me: bot.context.botInfo.username,
+            partner,
+            msg: msg.trim(),
+        });
+    }
+}
+
+
 bot.start((ctx) => ctx.reply('Selamat datang. Silahkan ketik "HELP" untuk bantuan.'));
 
 bot.command('help', (ctx) => {
     sendToMessagingService(
-        ctx.from.username + ( config.username_suffix || '@telegram.org' ),
-        'help'
-    )
-})
+        ctx.from.username + (config.username_suffix || '@telegram.org'),
+        'help',
+    );
+});
 
 bot.catch((err) => {
-    logger.warn('Error catched', {err: err});
-})
+    logger.warn('Error catched', { errCode: err.code, errMessage: err.message });
+});
 
 bot.on('text', async (ctx) => {
     const me = ctx.botInfo.username;
-    const from = ctx.from.username + ( config.username_suffix || '@telegram.org' );
+    const from = ctx.from.username + (config.username_suffix || '@telegram.org');
     const msg = ctx.message.text;
     const delaySecs = Math.floor(new Date() / 1000 - ctx.message.date);
 
@@ -41,41 +76,27 @@ bot.on('text', async (ctx) => {
 
     const isExpired = delaySecs > (config.expired_secs || DEFAULT_EXPIRED_MS);
     if (isExpired) {
-        logger.verbose(
-            'Ignoring expired messages',
-            { transport: 'telegram', ts: moment(ctx.date).format('YYYY-MM-DD HH:mm:ss'), delay_secs: delaySecs, is_expired: isExpired, chat_id: ctx.chat.id, me: me, from: from, msg: msg }
-        );
+        logger.verbose('Ignoring expired messages', {
+            transport: 'telegram', ts: moment(ctx.date).format('YYYY-MM-DD HH:mm:ss'), delay_secs: delaySecs, is_expired: isExpired, chat_id: ctx.chat.id, me, from, msg,
+        });
         return;
-
     }
 
     logger.info(
-        'Incoming message from Telegram transport', 
-        { transport: 'telegram', ts: moment(ctx.date).format('YYYY-MM-DD HH:mm:ss'), delay_secs: delaySecs, is_expired: isExpired, chat_id: ctx.chat.id, me: me, from: from, msg: msg }
+        'Incoming message from Telegram transport', {
+            transport: 'telegram', ts: moment(ctx.date).format('YYYY-MM-DD HH:mm:ss'), delay_secs: delaySecs, is_expired: isExpired, chat_id: ctx.chat.id, me, from, msg,
+        },
     );
 
     addressbook.put(from, ctx.chat.id);
-    
-    if (messagingService && messagingService.onIncomingMessage) {
-        messagingService.onIncomingMessage({
-                me: me,
-                partner: from,
-                msg: msg.trim()
-        })
-    }
-})
 
-async function sendMessageViaTelegram(chatId, msg) {
-    const [head, tail] = truncateLine(msg, MAX_LENGTH);
-    await bot.telegram.sendMessage(chatId, head);
-    
-    if (tail) {
-        sendMessageViaTelegram(chatId, tail);
+    if (messagingService && messagingService.onIncomingMessage) {
+        messagingService.onIncomingMessage({ me, partner: from, msg: msg.trim() });
     }
-}
+});
 
 async function send(partner, msg) {
-    const me =  bot.context.botInfo.username;
+    const me = bot.context.botInfo.username;
 
     if (!partner || !msg) {
         return;
@@ -83,33 +104,23 @@ async function send(partner, msg) {
 
     const chatId = await addressbook.get(partner);
     if (!chatId) {
-        logger.info('Not sending message because partner does not exist on address book', {transport: 'telegram', me: me, partner: partner, msg: msg });
+        logger.info('Not sending message because partner does not exist on address book', {
+            transport: 'telegram', me, partner, msg,
+        });
         return;
     }
 
-    logger.info('Sending message via Telegram transport', { transport: 'telegram', me: me, partner: partner, msg: msg });
+    logger.info('Sending message via Telegram transport', {
+        transport: 'telegram', me, partner, msg,
+    });
     // bot.telegram.sendMessage(chatId, msg);
     sendMessageViaTelegram(chatId, msg);
 }
 
-function sendToMessagingService(partner, msg) {
-    if (!msg || (typeof msg === 'string' && !msg.trim())) {
-        return;
-    }
-
-    if (messagingService && messagingService.onIncomingMessage) {
-        messagingService.onIncomingMessage({
-                me: bot.context.botInfo.username,
-                partner: partner,
-                msg: msg.trim()
-        })
-    }
-}
-
 bot.launch().then(() => {
-    logger.info(`Connected to Telegram Bot API as "@${ bot.context.botInfo.username }"`);
+    logger.info(`Connected to Telegram Bot API as "@${bot.context.botInfo.username}"`);
 });
 
 messagingService.setTransport(exports);
 
-exports.send = send;
\ No newline at end of file
+exports.send = send;
diff --git a/package-lock.json b/package-lock.json
index fb5d91e..b79a40b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,14 +13,20 @@
         "@babel/highlight": "^7.8.3"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.9.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.9.5.tgz",
+      "integrity": "sha512-/8arLKUFq882w4tWGj9JYzRpAlZgiWUJ+dtteNTDqrRBz9Iguck9Rn3ykuBDoUwh2TO4tSAJlrxDUOXWklJe4g==",
+      "dev": true
+    },
     "@babel/highlight": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
-      "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.9.0.tgz",
+      "integrity": "sha512-lJZPilxX7Op3Nv/2cvFdnlepPXDxi29wxteT57Q965oc5R9v86ztx0jfxVrTcBk8C2kcPkkDa2Z4T3ZsPPVWsQ==",
       "dev": true,
       "requires": {
+        "@babel/helper-validator-identifier": "^7.9.0",
         "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
         "js-tokens": "^4.0.0"
       }
     },
@@ -139,11 +145,32 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
+    "array-includes": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.1.1.tgz",
+      "integrity": "sha512-c2VXaCHl7zPsvpkFsw4nxvFie4fh1ur9bpcgsVkIjqn0H/Xwdg+7fv3n2r/isyS8EBj5b06M9kHyZuIr4El6WQ==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0",
+        "is-string": "^1.0.5"
+      }
+    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
     },
+    "array.prototype.flat": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/array.prototype.flat/-/array.prototype.flat-1.2.3.tgz",
+      "integrity": "sha512-gBlRZV0VSmfPIeWfuuy56XZMvbVfbEUnOXUvt3F/eUUUSyzlgLxhEX4YAEpxNAogRGehPSnfXyPtYyKAhkzQhQ==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0-next.1"
+      }
+    },
     "asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
@@ -337,9 +364,9 @@
       }
     },
     "cli-width": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
-      "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.1.tgz",
+      "integrity": "sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw==",
       "dev": true
     },
     "color": {
@@ -410,6 +437,18 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
+    "confusing-browser-globals": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/confusing-browser-globals/-/confusing-browser-globals-1.0.9.tgz",
+      "integrity": "sha512-KbS1Y0jMtyPgIxjO7ZzMAuUpAKMt1SzCL9fsrKsX6b0zJPTaT0SiSPmewwVZg9UAO83HVIlEhZF84LIjZ0lmAw==",
+      "dev": true
+    },
+    "contains-path": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
+      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
+      "dev": true
+    },
     "content-disposition": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
@@ -501,6 +540,15 @@
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
       "dev": true
     },
+    "define-properties": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
+      "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
+      "dev": true,
+      "requires": {
+        "object-keys": "^1.0.12"
+      }
+    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -587,6 +635,53 @@
       "resolved": "https://registry.npmjs.org/env-variable/-/env-variable-0.0.6.tgz",
       "integrity": "sha512-bHz59NlBbtS0NhftmR8+ExBEekE7br0e01jw+kk0NDro7TtZzBYZ5ScGPs3OmwnpyfHTHOtr1Y6uedCdrIldtg=="
     },
+    "error-ex": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
+      "integrity": "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==",
+      "dev": true,
+      "requires": {
+        "is-arrayish": "^0.2.1"
+      },
+      "dependencies": {
+        "is-arrayish": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
+          "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
+          "dev": true
+        }
+      }
+    },
+    "es-abstract": {
+      "version": "1.17.5",
+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.5.tgz",
+      "integrity": "sha512-BR9auzDbySxOcfog0tLECW8l28eRGpDpU3Dm3Hp4q/N+VtLTmyj4EUN088XZWQDW/hzj6sYRDXeOFsaAODKvpg==",
+      "dev": true,
+      "requires": {
+        "es-to-primitive": "^1.2.1",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
+        "has-symbols": "^1.0.1",
+        "is-callable": "^1.1.5",
+        "is-regex": "^1.0.5",
+        "object-inspect": "^1.7.0",
+        "object-keys": "^1.1.1",
+        "object.assign": "^4.1.0",
+        "string.prototype.trimleft": "^2.1.1",
+        "string.prototype.trimright": "^2.1.1"
+      }
+    },
+    "es-to-primitive": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
+      "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
+      "dev": true,
+      "requires": {
+        "is-callable": "^1.1.4",
+        "is-date-object": "^1.0.1",
+        "is-symbol": "^1.0.2"
+      }
+    },
     "es6-promisify": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-6.1.0.tgz",
@@ -648,6 +743,118 @@
         "v8-compile-cache": "^2.0.3"
       }
     },
+    "eslint-config-airbnb-base": {
+      "version": "14.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-airbnb-base/-/eslint-config-airbnb-base-14.1.0.tgz",
+      "integrity": "sha512-+XCcfGyCnbzOnktDVhwsCAx+9DmrzEmuwxyHUJpw+kqBVT744OUBrB09khgFKlK1lshVww6qXGsYPZpavoNjJw==",
+      "dev": true,
+      "requires": {
+        "confusing-browser-globals": "^1.0.9",
+        "object.assign": "^4.1.0",
+        "object.entries": "^1.1.1"
+      }
+    },
+    "eslint-import-resolver-node": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.3.tgz",
+      "integrity": "sha512-b8crLDo0M5RSe5YG8Pu2DYBj71tSB6OvXkfzwbJU2w7y8P4/yo0MyF8jU26IEuEuHF2K5/gcAJE3LhQGqBBbVg==",
+      "dev": true,
+      "requires": {
+        "debug": "^2.6.9",
+        "resolve": "^1.13.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
+        }
+      }
+    },
+    "eslint-module-utils": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.6.0.tgz",
+      "integrity": "sha512-6j9xxegbqe8/kZY8cYpcp0xhbK0EgJlg3g9mib3/miLaExuuwc3n5UEfSnU6hWMbT0FAYVvDbL9RrRgpUeQIvA==",
+      "dev": true,
+      "requires": {
+        "debug": "^2.6.9",
+        "pkg-dir": "^2.0.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
+        }
+      }
+    },
+    "eslint-plugin-import": {
+      "version": "2.20.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.20.2.tgz",
+      "integrity": "sha512-FObidqpXrR8OnCh4iNsxy+WACztJLXAHBO5hK79T1Hc77PgQZkyDGA5Ag9xAvRpglvLNxhH/zSmZ70/pZ31dHg==",
+      "dev": true,
+      "requires": {
+        "array-includes": "^3.0.3",
+        "array.prototype.flat": "^1.2.1",
+        "contains-path": "^0.1.0",
+        "debug": "^2.6.9",
+        "doctrine": "1.5.0",
+        "eslint-import-resolver-node": "^0.3.2",
+        "eslint-module-utils": "^2.4.1",
+        "has": "^1.0.3",
+        "minimatch": "^3.0.4",
+        "object.values": "^1.1.0",
+        "read-pkg-up": "^2.0.0",
+        "resolve": "^1.12.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "doctrine": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+          "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
+          "dev": true,
+          "requires": {
+            "esutils": "^2.0.2",
+            "isarray": "^1.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
+        }
+      }
+    },
     "eslint-scope": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
@@ -691,12 +898,20 @@
       "dev": true
     },
     "esquery": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.1.0.tgz",
-      "integrity": "sha512-MxYW9xKmROWF672KqjO75sszsA8Mxhw06YFeS5VHlB98KDHbOSurm3ArsjO60Eaf3QmGMCP1yn+0JQkNLo/97Q==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.3.1.tgz",
+      "integrity": "sha512-olpvt9QG0vniUBZspVRN6lwB7hOZoTRtT+jzR+tS4ffYx2mzbw+z0XCOk44aaLYKApNX5nMm+E+P6o25ip/DHQ==",
       "dev": true,
       "requires": {
-        "estraverse": "^4.0.0"
+        "estraverse": "^5.1.0"
+      },
+      "dependencies": {
+        "estraverse": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.1.0.tgz",
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-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
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@@ -2027,6 +2500,38 @@
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+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
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+        "spdx-license-ids": "^3.0.0"
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+    },
+    "spdx-expression-parse": {
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+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-license-ids": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
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@@ -2091,6 +2596,48 @@
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+    "string.prototype.trimend": {
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+      "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.1.tgz",
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+      "dev": true,
+      "requires": {
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+        "es-abstract": "^1.17.5"
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+    "string.prototype.trimleft": {
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+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.2.tgz",
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+      "dev": true,
+      "requires": {
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+        "es-abstract": "^1.17.5",
+        "string.prototype.trimstart": "^1.0.0"
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+    "string.prototype.trimright": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.2.tgz",
+      "integrity": "sha512-ZNRQ7sY3KroTaYjRS6EbNiiHrOkjihL9aQE/8gfQ4DtAC/aEBRHFJa44OmoWxGGqXuJlfKkZW4WcXErGr+9ZFg==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5",
+        "string.prototype.trimend": "^1.0.0"
+      }
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+    "string.prototype.trimstart": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz",
+      "integrity": "sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.5"
+      }
+    },
     "string_decoder": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
@@ -2123,10 +2670,16 @@
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+    "strip-bom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+      "dev": true
+    },
     "strip-json-comments": {
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-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.0.tgz",
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+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
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diff --git a/package.json b/package.json
index 5b69a25..27b9e7a 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,9 @@
   "author": "Adhidarma Hadiwinoto <me@adhisimon.org>",
   "license": "ISC",
   "devDependencies": {
-    "eslint": "^6.8.0"
+    "eslint": "^6.8.0",
+    "eslint-config-airbnb-base": "^14.1.0",
+    "eslint-plugin-import": "^2.20.2"
   },
   "dependencies": {
     "custom-truncate": "^0.9.1",