diff --git a/.eslintrc.json b/.eslintrc.json
index 6144805..2caad5e 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -5,6 +5,18 @@
   },
   "globals": {},
   "extends": "eslint:recommended",
+
+  // Stop ESLint from looking for a configuration file in parent folders
+  "root": true,
+
+  "parser": "babel-eslint",
+  "parserOptions": {
+    "ecmaVersion": 8,
+    "sourceType": "script",
+    "ecmaFeatures": {
+      "experimentalObjectRestSpread": true
+    }
+  },
   "rules": {
     "block-scoped-var": 2,
     "complexity": [
@@ -42,11 +54,6 @@
       "never"
     ],
 
-    "strict": [
-      2,
-      "global"
-    ],
-
     "no-shadow": 2,
     "no-use-before-define": 2,
 
@@ -124,14 +131,14 @@
     ],
     "new-cap": 2,
     "new-parens": 2,
-    "newline-after-var": [
-      1,
-      "always"
+    "padding-line-between-statements": [
+        "error",
+        { "blankLine": "always", "prev": ["const", "let", "var"], "next": "*"},
+        { "blankLine": "any",    "prev": ["const", "let", "var"], "next": ["const", "let", "var"]}
     ],
     "no-array-constructor": 2,
     "no-bitwise": 1,
     "no-lonely-if": 1,
-    "no-multi-spaces": 1,
     "no-multiple-empty-lines": 1,
     "no-new-object": 2,
     "no-spaced-func": 1,
@@ -141,7 +148,6 @@
       1,
       "always"
     ],
-    "one-var": 1,
     "operator-assignment": [
       1,
       "always"
diff --git a/.travis.yml b/.travis.yml
index d2c96db..6c04d9f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: node_js
 node_js:
   - '12'
   - '10'
-  - '8'
 before_script:
   - npm install -g gulp
   - gulp lint
diff --git a/gulpfile.js b/gulpfile.js
index 4f2f50e..d34e341 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,23 +1,19 @@
-'use strict';
-var gulp = require('gulp'),
-    eslint = require('gulp-eslint'),
-    mocha = require('gulp-mocha'),
-    paths = {
-        scripts: ['./*.js', '!./gulpfile.js']
-    };
+const gulp = require('gulp');
+const eslint = require('gulp-eslint');
+const mocha = require('gulp-mocha');
 
-gulp.task('lint', function () {
-    return gulp.src(paths.scripts)
-        .pipe(eslint())
-        .pipe(eslint.format());
-});
+const paths = {
+    scripts: ['./*.js', '!./gulpfile.js']
+};
 
-gulp.task('test', function () {
-    return gulp.src('./test/*.js')
-        .pipe(mocha());
-});
+gulp.task('lint', () => gulp.src(paths.scripts)
+    .pipe(eslint({fix: true}))
+    .pipe(eslint.format()));
+
+gulp.task('test', () => gulp.src('./test/*.js')
+    .pipe(mocha()));
 
-gulp.task('watch', function () {
+gulp.task('watch', () => {
     gulp.watch(paths.scripts, gulp.parallel('lint', 'test'));
 });
 
diff --git a/index.js b/index.js
index fb7a99e..a508778 100644
--- a/index.js
+++ b/index.js
@@ -1,13 +1,11 @@
-'use strict';
+const url = require('url');
+const fs = require('fs');
+const getRemoteContent = require('remote-content');
 
-var url = require('url'),
-    fs = require('fs'),
-    getRemoteContent = require('remote-content');
-
-module.exports = function (destHref, sourceHref, callback) {
-    var resolvedUrl,
-        parsedUrl,
-        toUrl = destHref;
+module.exports = (destHref, sourceHref, callback) => {
+    let resolvedUrl;
+    let parsedUrl;
+    let toUrl = destHref;
 
     if (url.parse(sourceHref).protocol === 'file:' && destHref[0] === '/') {
         toUrl = destHref.slice(1);
diff --git a/package-lock.json b/package-lock.json
index 15e6af4..665e53c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,152 @@
         "@babel/highlight": "^7.0.0"
       }
     },
+    "@babel/core": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.8.3.tgz",
+      "integrity": "sha512-4XFkf8AwyrEG7Ziu3L2L0Cv+WyY47Tcsp70JFmpftbAA1K7YL/sgE9jh9HyNj08Y/U50ItUchpN0w6HxAoX1rA==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.8.3",
+        "@babel/generator": "^7.8.3",
+        "@babel/helpers": "^7.8.3",
+        "@babel/parser": "^7.8.3",
+        "@babel/template": "^7.8.3",
+        "@babel/traverse": "^7.8.3",
+        "@babel/types": "^7.8.3",
+        "convert-source-map": "^1.7.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.1",
+        "json5": "^2.1.0",
+        "lodash": "^4.17.13",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+          "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.8.3"
+          }
+        },
+        "@babel/generator": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.8.3.tgz",
+          "integrity": "sha512-WjoPk8hRpDRqqzRpvaR8/gDUPkrnOOeuT2m8cNICJtZH6mwaCo3v0OKMI7Y6SM1pBtyijnLtAL0HDi41pf41ug==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3",
+            "jsesc": "^2.5.1",
+            "lodash": "^4.17.13",
+            "source-map": "^0.5.0"
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz",
+          "integrity": "sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-get-function-arity": "^7.8.3",
+            "@babel/template": "^7.8.3",
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz",
+          "integrity": "sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz",
+          "integrity": "sha512-3x3yOeyBhW851hroze7ElzdkeRXQYQbFIb7gLK1WQYsw2GWDay5gAJNw1sWJ0VFP6z5J1whqeXH/WCdCjZv6dA==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/highlight": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
+          "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.0.0",
+            "esutils": "^2.0.2",
+            "js-tokens": "^4.0.0"
+          }
+        },
+        "@babel/parser": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.8.3.tgz",
+          "integrity": "sha512-/V72F4Yp/qmHaTALizEm9Gf2eQHV3QyTL3K0cNfijwnMnb1L+LDlAubb/ZnSdGAVzVSWakujHYs1I26x66sMeQ==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.3.tgz",
+          "integrity": "sha512-04m87AcQgAFdvuoyiQ2kgELr2tV8B4fP/xJAVUL3Yb3bkNdMedD3d0rlSQr3PegP0cms3eHjl1F7PWlvWbU8FQ==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.8.3",
+            "@babel/parser": "^7.8.3",
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.8.3.tgz",
+          "integrity": "sha512-we+a2lti+eEImHmEXp7bM9cTxGzxPmBiVJlLVD+FuuQMeeO7RaDbutbgeheDkw+Xe3mCfJHnGOWLswT74m2IPg==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.8.3",
+            "@babel/generator": "^7.8.3",
+            "@babel/helper-function-name": "^7.8.3",
+            "@babel/helper-split-export-declaration": "^7.8.3",
+            "@babel/parser": "^7.8.3",
+            "@babel/types": "^7.8.3",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0",
+            "lodash": "^4.17.13"
+          }
+        },
+        "@babel/types": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.8.3.tgz",
+          "integrity": "sha512-jBD+G8+LWpMBBWvVcdr4QysjUE4mU/syrhN17o1u3gx0/WzJB1kwiVZAXRtWbsIPOwW8pF/YJV5+nmetPzepXg==",
+          "dev": true,
+          "requires": {
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.13",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "convert-source-map": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.7.0.tgz",
+          "integrity": "sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.1"
+          }
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
     "@babel/generator": {
       "version": "7.4.4",
       "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.4.4.tgz",
@@ -63,6 +209,131 @@
         "@babel/types": "^7.4.4"
       }
     },
+    "@babel/helpers": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.8.3.tgz",
+      "integrity": "sha512-LmU3q9Pah/XyZU89QvBgGt+BCsTPoQa+73RxAQh8fb8qkDyIfeQnmgs+hvzhTCKTzqOyk7JTkS3MS1S8Mq5yrQ==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.8.3",
+        "@babel/traverse": "^7.8.3",
+        "@babel/types": "^7.8.3"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+          "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.8.3"
+          }
+        },
+        "@babel/generator": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.8.3.tgz",
+          "integrity": "sha512-WjoPk8hRpDRqqzRpvaR8/gDUPkrnOOeuT2m8cNICJtZH6mwaCo3v0OKMI7Y6SM1pBtyijnLtAL0HDi41pf41ug==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3",
+            "jsesc": "^2.5.1",
+            "lodash": "^4.17.13",
+            "source-map": "^0.5.0"
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz",
+          "integrity": "sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-get-function-arity": "^7.8.3",
+            "@babel/template": "^7.8.3",
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz",
+          "integrity": "sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz",
+          "integrity": "sha512-3x3yOeyBhW851hroze7ElzdkeRXQYQbFIb7gLK1WQYsw2GWDay5gAJNw1sWJ0VFP6z5J1whqeXH/WCdCjZv6dA==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/highlight": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
+          "integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.0.0",
+            "esutils": "^2.0.2",
+            "js-tokens": "^4.0.0"
+          }
+        },
+        "@babel/parser": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.8.3.tgz",
+          "integrity": "sha512-/V72F4Yp/qmHaTALizEm9Gf2eQHV3QyTL3K0cNfijwnMnb1L+LDlAubb/ZnSdGAVzVSWakujHYs1I26x66sMeQ==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.3.tgz",
+          "integrity": "sha512-04m87AcQgAFdvuoyiQ2kgELr2tV8B4fP/xJAVUL3Yb3bkNdMedD3d0rlSQr3PegP0cms3eHjl1F7PWlvWbU8FQ==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.8.3",
+            "@babel/parser": "^7.8.3",
+            "@babel/types": "^7.8.3"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.8.3.tgz",
+          "integrity": "sha512-we+a2lti+eEImHmEXp7bM9cTxGzxPmBiVJlLVD+FuuQMeeO7RaDbutbgeheDkw+Xe3mCfJHnGOWLswT74m2IPg==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.8.3",
+            "@babel/generator": "^7.8.3",
+            "@babel/helper-function-name": "^7.8.3",
+            "@babel/helper-split-export-declaration": "^7.8.3",
+            "@babel/parser": "^7.8.3",
+            "@babel/types": "^7.8.3",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0",
+            "lodash": "^4.17.13"
+          }
+        },
+        "@babel/types": {
+          "version": "7.8.3",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.8.3.tgz",
+          "integrity": "sha512-jBD+G8+LWpMBBWvVcdr4QysjUE4mU/syrhN17o1u3gx0/WzJB1kwiVZAXRtWbsIPOwW8pF/YJV5+nmetPzepXg==",
+          "dev": true,
+          "requires": {
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.13",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
     "@babel/highlight": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
@@ -150,10 +421,77 @@
         "to-fast-properties": "^2.0.0"
       }
     },
-    "@types/node": {
-      "version": "8.10.49",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.49.tgz",
-      "integrity": "sha512-YX30JVx0PvSmJ3Eqr74fYLGeBxD+C7vIL20ek+GGGLJeUbVYRUW3EzyAXpIRA0K8c8o0UWqR/GwEFYiFoz1T8w=="
+    "@istanbuljs/load-nyc-config": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@istanbuljs/load-nyc-config/-/load-nyc-config-1.0.0.tgz",
+      "integrity": "sha512-ZR0rq/f/E4f4XcgnDvtMWXCUJpi8eO0rssVhmztsZqLIEFA9UUP9zmpE0VxlM+kv/E1ul2I876Fwil2ayptDVg==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^5.3.1",
+        "find-up": "^4.1.0",
+        "js-yaml": "^3.13.1",
+        "resolve-from": "^5.0.0"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "5.3.1",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+          "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
+          "dev": true
+        },
+        "find-up": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
+          "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^5.0.0",
+            "path-exists": "^4.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
+          "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^4.1.0"
+          }
+        },
+        "p-locate": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
+          "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^2.2.0"
+          }
+        },
+        "path-exists": {
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+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
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-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
-          "dev": true
-        }
+        "@istanbuljs/schema": "^0.1.2",
+        "glob": "^7.1.4",
+        "minimatch": "^3.0.4"
       }
     },
     "text-table": {
@@ -6549,21 +7305,25 @@
         "prelude-ls": "~1.1.2"
       }
     },
+    "type-fest": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
+      "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
+      "dev": true
+    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
-    "uglify-js": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
-      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
+    "typedarray-to-buffer": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
+      "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
       "dev": true,
-      "optional": true,
       "requires": {
-        "commander": "~2.20.0",
-        "source-map": "~0.6.1"
+        "is-typedarray": "^1.0.0"
       }
     },
     "unc-path-regex": {
@@ -6695,9 +7455,9 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "uuid": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "dev": true
     },
     "v8-compile-cache": {
@@ -6893,14 +7653,15 @@
       }
     },
     "write-file-atomic": {
-      "version": "2.4.3",
-      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
-      "integrity": "sha512-GaETH5wwsX+GcnzhPgKcKjJ6M2Cq3/iZp1WyY/X1CSqrW+jVNM9Y7D8EC2sM4ZG/V8wZlSniJnCKWPmBYAucRQ==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.1.tgz",
+      "integrity": "sha512-JPStrIyyVJ6oCSz/691fAjFtefZ6q+fP6tm+OS4Qw6o+TGQxNp1ziY2PgS+X/m0V8OWhZiO/m4xSj+Pr4RrZvw==",
       "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.11",
         "imurmurhash": "^0.1.4",
-        "signal-exit": "^3.0.2"
+        "is-typedarray": "^1.0.0",
+        "signal-exit": "^3.0.2",
+        "typedarray-to-buffer": "^3.1.5"
       }
     },
     "xregexp": {
@@ -6921,9 +7682,9 @@
       "dev": true
     },
     "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
     },
     "yargs": {
       "version": "7.1.0",
@@ -7026,12 +7787,6 @@
           "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
           "dev": true
         },
-        "lodash": {
-          "version": "4.17.15",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-          "dev": true
-        },
         "require-main-filename": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
diff --git a/package.json b/package.json
index 9c52725..49e6225 100644
--- a/package.json
+++ b/package.json
@@ -25,16 +25,17 @@
   },
   "homepage": "https://github.com/jonkemp/href-content",
   "dependencies": {
-    "remote-content": "^1.0.5"
+    "remote-content": "^1.1.0"
   },
   "devDependencies": {
-    "coveralls": "^3.0.6",
+    "babel-eslint": "^10.0.3",
+    "coveralls": "^3.0.9",
     "gulp": "^4.0.2",
     "gulp-eslint": "^6.0.0",
     "gulp-mocha": "^7.0.2",
-    "list-stylesheets": "^1.2.3",
-    "mocha": "^6.2.1",
-    "nyc": "^14.1.1",
+    "list-stylesheets": "^1.2.4",
+    "mocha": "^7.0.0",
+    "nyc": "^15.0.0",
     "should": "^13.2.3",
     "vinyl": "^2.2.0"
   }
diff --git a/test/main.js b/test/main.js
index 65dedf1..774c529 100644
--- a/test/main.js
+++ b/test/main.js
@@ -1,13 +1,11 @@
 /* eslint-disable */
 
-'use strict';
-
-var should = require('should'),
-    fs = require('fs'),
-    path = require('path'),
-    Vinyl = require('vinyl'),
-    getStylesheetList = require('list-stylesheets'),
-    getHrefContent = require('../index');
+const should = require('should');
+const fs = require('fs');
+const path = require('path');
+const Vinyl = require('vinyl');
+const getStylesheetList = require('list-stylesheets');
+const getHrefContent = require('../index');
 
 function getFile(filePath) {
     return new Vinyl({
@@ -19,38 +17,38 @@ function getFile(filePath) {
 }
 
 function compare(fixturePath, expectedPath, options, done) {
-    var file = getFile(fixturePath);
-    var data = getStylesheetList(file.contents.toString('utf8'), options);
+    const file = getFile(fixturePath);
+    const data = getStylesheetList(file.contents.toString('utf8'), options);
 
-    var url = 'file://' + file.path;
+    const url = `file://${file.path}`;
 
-    getHrefContent(data.hrefs[0], url, function (err, css) {
+    getHrefContent(data.hrefs[0], url, (err, css) => {
         css.should.be.equal(String(fs.readFileSync(expectedPath)));
 
         done();
     });
 }
 
-describe('href-content', function() {
-    it('Should get content from link tags in an HTML document', function(done) {
-        var options = {
+describe('href-content', () => {
+    it('Should get content from link tags in an HTML document', done => {
+        const options = {
             applyLinkTags: true,
             removeLinkTags: true
         };
         compare(path.join('test', 'fixtures', 'in.html'), path.join('test', 'fixtures', 'file.css'), options, done);
     });
 
-    it('Should get content from link tags in in multiple HTML files', function(done) {
-        var options = {
+    it('Should get content from link tags in in multiple HTML files', done => {
+        const options = {
             applyLinkTags: true,
             removeLinkTags: true
         };
-        compare(path.join('test', 'fixtures', 'multiple', 'one', 'in.html'), path.join('test', 'fixtures', 'multiple', 'one', 'file.css'), options, function () {});
+        compare(path.join('test', 'fixtures', 'multiple', 'one', 'in.html'), path.join('test', 'fixtures', 'multiple', 'one', 'file.css'), options, () => {});
         compare(path.join('test', 'fixtures', 'multiple', 'two', 'in.html'), path.join('test', 'fixtures', 'multiple', 'two', 'file.css'), options, done);
     });
 
-    it('Should handle malformed CSS', function(done) {
-        var options = {
+    it('Should handle malformed CSS', done => {
+        const options = {
             applyLinkTags: true,
             removeLinkTags: true
         };