Removed fs-extra dependency, Upgraded dependencies

Author: niftylettuce

package.json

@@ -1,7 +1,6 @@
 {
   "name": "preview-email",
-  "description":
-    "Automatically opens your browser to preview Node.js email messages sent with Nodemailer. Made for Lad!",
+  "description": "Automatically opens your browser to preview Node.js email messages sent with Nodemailer. Made for Lad!",
   "version": "0.0.7",
   "author": "Nick Baugh <niftylettuce@gmail.com> (http://niftylettuce.com/)",
   "bugs": {
@@ -12,34 +11,34 @@
     "Nick Baugh <niftylettuce@gmail.com> (http://niftylettuce.com/)"
   ],
   "dependencies": {
-    "fs-extra": "^4.0.2",
-    "moment": "^2.18.1",
-    "nodemailer": "^4.2.0",
-    "opn": "^5.1.0",
-    "pug": "^2.0.0-rc.4",
-    "uuid": "^3.1.0"
+    "bluebird": "^3.5.1",
+    "moment": "^2.22.2",
+    "nodemailer": "^4.6.8",
+    "opn": "^5.3.0",
+    "pug": "^2.0.3",
+    "uuid": "^3.3.2"
   },
   "ava": {
     "failFast": true,
     "verbose": true
   },
   "devDependencies": {
-    "auto-bind": "^1.1.0",
-    "ava": "^0.22.0",
+    "auto-bind": "^1.2.1",
+    "ava": "^0.25.0",
     "babel-cli": "^6.26.0",
-    "babel-preset-env": "^1.6.1",
-    "codecov": "^2.3.0",
-    "cross-env": "^5.0.5",
-    "eslint": "^4.5.0",
-    "eslint-config-prettier": "^2.3.0",
-    "eslint-plugin-prettier": "^2.2.0",
+    "babel-preset-env": "^1.7.0",
+    "codecov": "^3.0.4",
+    "cross-env": "^5.2.0",
+    "eslint": "^5.4.0",
+    "eslint-config-prettier": "^3.0.1",
+    "eslint-plugin-prettier": "^2.6.2",
     "husky": "^0.14.3",
-    "lint-staged": "^4.0.4",
-    "nyc": "^11.1.0",
-    "prettier": "^1.6.1",
-    "remark-cli": "^4.0.0",
-    "remark-preset-github": "^0.0.6",
-    "xo": "^0.19.0"
+    "lint-staged": "^7.2.2",
+    "nyc": "^12.0.2",
+    "prettier": "^1.14.2",
+    "remark-cli": "^5.0.0",
+    "remark-preset-github": "^0.0.8",
+    "xo": "^0.22.0"
   },
   "engines": {
     "node": ">=6.4.0"
@@ -82,12 +81,20 @@
       "prettier --write --single-quote --trailing-comma none",
       "git add"
     ],
-    "*.md": ["remark . -qfo", "git add"]
+    "*.md": [
+      "remark . -qfo",
+      "git add"
+    ]
   },
   "main": "lib/index.js",
-  "files": ["lib", "template.pug"],
+  "files": [
+    "lib",
+    "template.pug"
+  ],
   "remarkConfig": {
-    "plugins": ["preset-github"]
+    "plugins": [
+      "preset-github"
+    ]
   },
   "repository": {
     "type": "git",
@@ -104,7 +111,9 @@
   },
   "xo": {
     "extends": "prettier",
-    "plugins": ["prettier"],
+    "plugins": [
+      "prettier"
+    ],
     "parserOptions": {
       "sourceType": "script"
     },
@@ -126,7 +135,8 @@
       ],
       "capitalized-comments": "off",
       "camelcase": "off",
-      "no-warning-comments": "off"
+      "no-warning-comments": "off",
+      "no-use-extend-native/no-use-extend-native": "off"
     },
     "space": true
   }

src/index.js

@@ -1,11 +1,14 @@
 const path = require('path');
 const os = require('os');
-const fs = require('fs-extra');
+const fs = require('fs');
 const uuid = require('uuid');
 const opn = require('opn');
 const nodemailer = require('nodemailer');
 const moment = require('moment');
 const pug = require('pug');
+const Promise = require('bluebird');
+
+const writeFile = Promise.promisify(fs.writeFile);
 
 const transport = nodemailer.createTransport({
   jsonTransport: true
@@ -22,37 +25,31 @@ const renderFilePromise = (view, locals) => {
   });
 };
 
-const previewEmail = (message, id, open = true) => {
-  return new Promise(async (resolve, reject) => {
-    try {
-      if (typeof message !== 'object')
-        throw new Error('Message argument is required');
+const previewEmail = async (message, id, open = true) => {
+  if (typeof message !== 'object')
+    throw new Error('Message argument is required');
 
-      if (!id) id = uuid.v4();
+  if (!id) id = uuid.v4();
 
-      const res = await transport.sendMail(message);
+  const res = await transport.sendMail(message);
 
-      res.message = JSON.parse(res.message);
+  res.message = JSON.parse(res.message);
 
-      const html = await renderFilePromise(
-        templateFilePath,
-        Object.assign(res.message, {
-          cache: true,
-          pretty: true,
-          moment
-        })
-      );
+  const html = await renderFilePromise(
+    templateFilePath,
+    Object.assign(res.message, {
+      cache: true,
+      pretty: true,
+      moment
+    })
+  );
 
-      const filePath = `${os.tmpdir()}/${id}.html`;
-      await fs.writeFile(filePath, html);
+  const filePath = `${os.tmpdir()}/${id}.html`;
+  await writeFile(filePath, html);
 
-      if (open) await opn(filePath, { wait: false });
+  if (open) await opn(filePath, { wait: false });
 
-      resolve(`file://${filePath}`);
-    } catch (err) {
-      reject(err);
-    }
-  });
+  return `file://${filePath}`;
 };
 
 module.exports = previewEmail;