diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..0effe44
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,16 @@
+module.exports = {
+  env: {
+    browser: true,
+    commonjs: true,
+    es6: true
+  },
+  extends: "standard",
+  globals: {
+    Atomics: "readonly",
+    SharedArrayBuffer: "readonly"
+  },
+  parserOptions: {
+    ecmaVersion: 2018
+  },
+  rules: {}
+};
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..b2095be
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,4 @@
+{
+  "semi": false,
+  "singleQuote": true
+}
diff --git a/package-lock.json b/package-lock.json
index 8b7f6a0..b890038 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "responsive-html-email-signature",
-  "version": "5.0.1",
+  "version": "5.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -506,6 +506,12 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.7.3.tgz",
       "integrity": "sha512-3SiLAIBkDWDg6vFo0+5YJyHPWU9uwu40Qe+v+0MH8wRKYBimHvvAOyk3EzMrD/TrIlLYfXrqDqrg913PynrMJQ=="
     },
+    "@types/normalize-package-data": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
+      "integrity": "sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==",
+      "dev": true
+    },
     "JSV": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/JSV/-/JSV-4.0.2.tgz",
@@ -537,6 +543,18 @@
         "when": "^3.7.8"
       }
     },
+    "acorn": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.0.0.tgz",
+      "integrity": "sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.2.tgz",
+      "integrity": "sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==",
+      "dev": true
+    },
     "agent-base": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
@@ -926,6 +944,16 @@
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
       "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E="
     },
+    "array-includes": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
+      "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
+      }
+    },
     "array-initial": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/array-initial/-/array-initial-1.1.0.tgz",
@@ -2093,6 +2121,30 @@
       "integrity": "sha1-qEq8glpV70yysCi9dOIFpluaSZY=",
       "dev": true
     },
+    "caller-callsite": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
+      "integrity": "sha1-hH4PzgoiN1CpoCfFSzNzGtMVQTQ=",
+      "dev": true,
+      "requires": {
+        "callsites": "^2.0.0"
+      }
+    },
+    "caller-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-2.0.0.tgz",
+      "integrity": "sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=",
+      "dev": true,
+      "requires": {
+        "caller-callsite": "^2.0.0"
+      }
+    },
+    "callsites": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+      "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
+      "dev": true
+    },
     "camelcase": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
@@ -2143,6 +2195,12 @@
         "supports-color": "^5.3.0"
       }
     },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "cheerio": {
       "version": "0.22.0",
       "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-0.22.0.tgz",
@@ -2424,6 +2482,12 @@
         }
       }
     },
+    "cli-width": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
+      "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
+      "dev": true
+    },
     "cliui": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
@@ -2764,6 +2828,12 @@
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
     },
+    "contains-path": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
+      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
+      "dev": true
+    },
     "convert-source-map": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
@@ -3165,6 +3235,15 @@
         }
       }
     },
+    "doctrine": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
+      "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2"
+      }
+    },
     "dom-serializer": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.1.0.tgz",
@@ -3366,6 +3445,35 @@
         "is-arrayish": "^0.2.1"
       }
     },
+    "es-abstract": {
+      "version": "1.14.0",
+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.14.0.tgz",
+      "integrity": "sha512-lri42nNq1tIohUuwFBYEM3wKwcrcJa78jukGDdWsuaNxTtxBFGFkKUQ15nc9J+ipje4mhbQR6JwABb4VvawR3A==",
+      "dev": true,
+      "requires": {
+        "es-to-primitive": "^1.2.0",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
+        "has-symbols": "^1.0.0",
+        "is-callable": "^1.1.4",
+        "is-regex": "^1.0.4",
+        "object-inspect": "^1.6.0",
+        "object-keys": "^1.1.1",
+        "string.prototype.trimleft": "^2.0.0",
+        "string.prototype.trimright": "^2.0.0"
+      }
+    },
+    "es-to-primitive": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.0.tgz",
+      "integrity": "sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==",
+      "dev": true,
+      "requires": {
+        "is-callable": "^1.1.4",
+        "is-date-object": "^1.0.1",
+        "is-symbol": "^1.0.2"
+      }
+    },
     "es5-ext": {
       "version": "0.10.46",
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.46.tgz",
@@ -3442,6 +3550,490 @@
         "source-map": "~0.6.1"
       }
     },
+    "eslint": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.3.0.tgz",
+      "integrity": "sha512-ZvZTKaqDue+N8Y9g0kp6UPZtS4FSY3qARxBs7p4f0H0iof381XHduqVerFWtK8DPtKmemqbqCFENWSQgPR/Gow==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "ajv": "^6.10.0",
+        "chalk": "^2.1.0",
+        "cross-spawn": "^6.0.5",
+        "debug": "^4.0.1",
+        "doctrine": "^3.0.0",
+        "eslint-scope": "^5.0.0",
+        "eslint-utils": "^1.4.2",
+        "eslint-visitor-keys": "^1.1.0",
+        "espree": "^6.1.1",
+        "esquery": "^1.0.1",
+        "esutils": "^2.0.2",
+        "file-entry-cache": "^5.0.1",
+        "functional-red-black-tree": "^1.0.1",
+        "glob-parent": "^5.0.0",
+        "globals": "^11.7.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.0.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^6.4.1",
+        "is-glob": "^4.0.0",
+        "js-yaml": "^3.13.1",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "levn": "^0.3.0",
+        "lodash": "^4.17.14",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^0.5.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
+        "progress": "^2.0.0",
+        "regexpp": "^2.0.1",
+        "semver": "^6.1.2",
+        "strip-ansi": "^5.2.0",
+        "strip-json-comments": "^3.0.1",
+        "table": "^5.2.3",
+        "text-table": "^0.2.0",
+        "v8-compile-cache": "^2.0.3"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.10.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
+          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^2.0.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.7.1",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+              "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+              "dev": true
+            }
+          }
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+          "dev": true
+        },
+        "ignore": {
+          "version": "4.0.6",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
+          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
+          "dev": true
+        },
+        "import-fresh": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.1.0.tgz",
+          "integrity": "sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==",
+          "dev": true,
+          "requires": {
+            "parent-module": "^1.0.0",
+            "resolve-from": "^4.0.0"
+          }
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "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
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "resolve-from": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
+          "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
+          "dev": true
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
+        "strip-json-comments": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
+          "integrity": "sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==",
+          "dev": true
+        }
+      }
+    },
+    "eslint-config-standard": {
+      "version": "14.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-standard/-/eslint-config-standard-14.1.0.tgz",
+      "integrity": "sha512-EF6XkrrGVbvv8hL/kYa/m6vnvmUT+K82pJJc4JJVMM6+Qgqh0pnwprSxdduDLB9p/7bIxD+YV5O0wfb8lmcPbA==",
+      "dev": true
+    },
+    "eslint-import-resolver-node": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz",
+      "integrity": "sha512-sfmTqJfPSizWu4aymbPr4Iidp5yKm8yDkHp+Ir3YiTHiiDfxh69mOUsmiqW6RZ9zRXFaF64GtYmN7e+8GHBv6Q==",
+      "dev": true,
+      "requires": {
+        "debug": "^2.6.9",
+        "resolve": "^1.5.0"
+      }
+    },
+    "eslint-module-utils": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.4.1.tgz",
+      "integrity": "sha512-H6DOj+ejw7Tesdgbfs4jeS4YMFrT8uI8xwd1gtQqXssaR0EQ26L+2O/w6wkYFy2MymON0fTwHmXBvvfLNZVZEw==",
+      "dev": true,
+      "requires": {
+        "debug": "^2.6.8",
+        "pkg-dir": "^2.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        },
+        "pkg-dir": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
+          "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+          "dev": true,
+          "requires": {
+            "find-up": "^2.1.0"
+          }
+        }
+      }
+    },
+    "eslint-plugin-es": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.1.tgz",
+      "integrity": "sha512-5fa/gR2yR3NxQf+UXkeLeP8FBBl6tSgdrAz1+cF84v1FMM4twGwQoqTnn+QxFLcPOrF4pdKEJKDB/q9GoyJrCA==",
+      "dev": true,
+      "requires": {
+        "eslint-utils": "^1.4.2",
+        "regexpp": "^2.0.1"
+      }
+    },
+    "eslint-plugin-import": {
+      "version": "2.18.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.18.2.tgz",
+      "integrity": "sha512-5ohpsHAiUBRNaBWAF08izwUGlbrJoJJ+W9/TBwsGoR1MnlgfwMIKrFeSjWbt6moabiXW9xNvtFz+97KHRfI4HQ==",
+      "dev": true,
+      "requires": {
+        "array-includes": "^3.0.3",
+        "contains-path": "^0.1.0",
+        "debug": "^2.6.9",
+        "doctrine": "1.5.0",
+        "eslint-import-resolver-node": "^0.3.2",
+        "eslint-module-utils": "^2.4.0",
+        "has": "^1.0.3",
+        "minimatch": "^3.0.4",
+        "object.values": "^1.1.0",
+        "read-pkg-up": "^2.0.0",
+        "resolve": "^1.11.0"
+      },
+      "dependencies": {
+        "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"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
+        },
+        "load-json-file": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^2.2.0",
+            "pify": "^2.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "parse-json": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
+          "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.2.0"
+          }
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        },
+        "path-type": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
+          "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
+          "dev": true,
+          "requires": {
+            "pify": "^2.0.0"
+          }
+        },
+        "pify": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
+          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^2.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^2.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
+          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+          "dev": true,
+          "requires": {
+            "find-up": "^2.0.0",
+            "read-pkg": "^2.0.0"
+          }
+        },
+        "resolve": {
+          "version": "1.12.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
+          "integrity": "sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        }
+      }
+    },
+    "eslint-plugin-node": {
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-node/-/eslint-plugin-node-9.2.0.tgz",
+      "integrity": "sha512-2abNmzAH/JpxI4gEOwd6K8wZIodK3BmHbTxz4s79OIYwwIt2gkpEXlAouJXu4H1c9ySTnRso0tsuthSOZbUMlA==",
+      "dev": true,
+      "requires": {
+        "eslint-plugin-es": "^1.4.1",
+        "eslint-utils": "^1.4.2",
+        "ignore": "^5.1.1",
+        "minimatch": "^3.0.4",
+        "resolve": "^1.10.1",
+        "semver": "^6.1.0"
+      },
+      "dependencies": {
+        "resolve": {
+          "version": "1.12.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
+          "integrity": "sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        }
+      }
+    },
+    "eslint-plugin-promise": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-4.2.1.tgz",
+      "integrity": "sha512-VoM09vT7bfA7D+upt+FjeBO5eHIJQBUWki1aPvB+vbNiHS3+oGIJGIeyBtKQTME6UPXXy3vV07OL1tHd3ANuDw==",
+      "dev": true
+    },
+    "eslint-plugin-standard": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-standard/-/eslint-plugin-standard-4.0.1.tgz",
+      "integrity": "sha512-v/KBnfyaOMPmZc/dmc6ozOdWqekGp7bBGq4jLAecEfPGmfKiWS4sA8sC0LqiV9w5qmXAtXVn4M3p1jSyhY85SQ==",
+      "dev": true
+    },
+    "eslint-scope": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
+      "integrity": "sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==",
+      "dev": true,
+      "requires": {
+        "esrecurse": "^4.1.0",
+        "estraverse": "^4.1.1"
+      }
+    },
+    "eslint-utils": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.2.tgz",
+      "integrity": "sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.0.0"
+      }
+    },
+    "eslint-visitor-keys": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
+      "integrity": "sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==",
+      "dev": true
+    },
     "esm": {
       "version": "3.2.25",
       "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
@@ -3468,6 +4060,17 @@
         }
       }
     },
+    "espree": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-6.1.1.tgz",
+      "integrity": "sha512-EYbr8XZUhWbYCqQRW0duU5LxzL5bETN6AjKBGy1302qqzPaCH10QbRg3Wvco79Z8x9WbiE8HYB4e75xl6qUYvQ==",
+      "dev": true,
+      "requires": {
+        "acorn": "^7.0.0",
+        "acorn-jsx": "^5.0.2",
+        "eslint-visitor-keys": "^1.1.0"
+      }
+    },
     "esprima": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-3.1.3.tgz",
@@ -3482,6 +4085,24 @@
         "core-js": "^2.0.0"
       }
     },
+    "esquery": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
+      "integrity": "sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==",
+      "dev": true,
+      "requires": {
+        "estraverse": "^4.0.0"
+      }
+    },
+    "esrecurse": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.2.1.tgz",
+      "integrity": "sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==",
+      "dev": true,
+      "requires": {
+        "estraverse": "^4.1.0"
+      }
+    },
     "estraverse": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
@@ -3598,6 +4219,17 @@
         }
       }
     },
+    "external-editor": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
+      "integrity": "sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==",
+      "dev": true,
+      "requires": {
+        "chardet": "^0.7.0",
+        "iconv-lite": "^0.4.24",
+        "tmp": "^0.0.33"
+      }
+    },
     "extglob": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/extglob/-/extglob-2.0.4.tgz",
@@ -3739,6 +4371,15 @@
         "escape-string-regexp": "^1.0.5"
       }
     },
+    "file-entry-cache": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-5.0.1.tgz",
+      "integrity": "sha512-bCg29ictuBaKUwwArK4ouCaqDgLZcysCFLmM/Yn/FDoqndh/9vNuQfXRDvTuXKLxfD/JtZQGKFT8MGcJBK644g==",
+      "dev": true,
+      "requires": {
+        "flat-cache": "^2.0.1"
+      }
+    },
     "file-uri-to-path": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
@@ -3896,6 +4537,23 @@
       "resolved": "https://registry.npmjs.org/flagged-respawn/-/flagged-respawn-1.0.1.tgz",
       "integrity": "sha512-lNaHNVymajmk0OJMBn8fVUAU1BtDeKIqKoVhk4xAALB57aALg6b4W0MfJ/cUE0g9YBXy5XhSlPIpYIJ7HaY/3Q=="
     },
+    "flat-cache": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-2.0.1.tgz",
+      "integrity": "sha512-LoQe6yDuUMDzQAEH8sgmh4Md6oZnc/7PjtwjNFSzveXqSHt6ka9fPBuso7IGf9Rz4uqnSnWiFH2B/zj24a5ReA==",
+      "dev": true,
+      "requires": {
+        "flatted": "^2.0.0",
+        "rimraf": "2.6.3",
+        "write": "1.0.3"
+      }
+    },
+    "flatted": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
+      "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==",
+      "dev": true
+    },
     "flatten": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/flatten/-/flatten-1.0.2.tgz",
@@ -4500,6 +5158,12 @@
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
     },
+    "functional-red-black-tree": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
+      "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
+      "dev": true
+    },
     "gauge": {
       "version": "2.7.4",
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
@@ -6190,6 +6854,135 @@
         }
       }
     },
+    "husky": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-3.0.5.tgz",
+      "integrity": "sha512-cKd09Jy9cDyNIvAdN2QQAP/oA21sle4FWXjIMDttailpLAYZuBE7WaPmhrkj+afS8Sj9isghAtFvWSQ0JiwOHg==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.2",
+        "cosmiconfig": "^5.2.1",
+        "execa": "^1.0.0",
+        "get-stdin": "^7.0.0",
+        "is-ci": "^2.0.0",
+        "opencollective-postinstall": "^2.0.2",
+        "pkg-dir": "^4.2.0",
+        "please-upgrade-node": "^3.2.0",
+        "read-pkg": "^5.1.1",
+        "run-node": "^1.0.0",
+        "slash": "^3.0.0"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "cosmiconfig": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
+          "integrity": "sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==",
+          "dev": true,
+          "requires": {
+            "import-fresh": "^2.0.0",
+            "is-directory": "^0.3.1",
+            "js-yaml": "^3.13.1",
+            "parse-json": "^4.0.0"
+          }
+        },
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "dev": true,
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "execa": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
+          "dev": true,
+          "requires": {
+            "cross-spawn": "^6.0.0",
+            "get-stream": "^4.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          }
+        },
+        "get-stdin": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-7.0.0.tgz",
+          "integrity": "sha512-zRKcywvrXlXsA0v0i9Io4KDRaAw7+a1ZpjRwl9Wox8PFlVCCHra7E9c4kqXCoCM9nR5tBkaTTZRBoCm60bFqTQ==",
+          "dev": true
+        },
+        "get-stream": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+          "dev": true,
+          "requires": {
+            "pump": "^3.0.0"
+          }
+        },
+        "pump": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+          "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+          "dev": true,
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
+          }
+        },
+        "read-pkg": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-5.2.0.tgz",
+          "integrity": "sha512-Ug69mNOpfvKDAc2Q8DRpMjjzdtrnv9HcSMX+4VsZxD1aZ6ZzrIE7rlzXBtWTyhULSMKg076AW6WR5iZpD0JiOg==",
+          "dev": true,
+          "requires": {
+            "@types/normalize-package-data": "^2.4.0",
+            "normalize-package-data": "^2.5.0",
+            "parse-json": "^5.0.0",
+            "type-fest": "^0.6.0"
+          },
+          "dependencies": {
+            "parse-json": {
+              "version": "5.0.0",
+              "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-5.0.0.tgz",
+              "integrity": "sha512-OOY5b7PAEFV0E2Fir1KOkxchnZNCdowAJgQ5NuxjpBKTRP3pQhwkrkxqQjeoKJ+fO7bCpmIZaogI4eZGDMEGOw==",
+              "dev": true,
+              "requires": {
+                "@babel/code-frame": "^7.0.0",
+                "error-ex": "^1.3.1",
+                "json-parse-better-errors": "^1.0.1",
+                "lines-and-columns": "^1.1.6"
+              }
+            }
+          }
+        },
+        "type-fest": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.6.0.tgz",
+          "integrity": "sha512-q+MB8nYR1KDLrgr4G5yemftpMC7/QLqVndBmEEdqzmNj5dcFOO4Oo8qlwZE3ULT3+Zim1F8Kq4cBnikNhlCMlg==",
+          "dev": true
+        }
+      }
+    },
     "iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -6223,6 +7016,16 @@
         "import-from": "^2.1.0"
       }
     },
+    "import-fresh": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-2.0.0.tgz",
+      "integrity": "sha1-2BNVwVYS04bGH53dOSLUMEgipUY=",
+      "dev": true,
+      "requires": {
+        "caller-path": "^2.0.0",
+        "resolve-from": "^3.0.0"
+      }
+    },
     "import-from": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-from/-/import-from-2.1.0.tgz",
@@ -6306,6 +7109,145 @@
         "specificity": "^0.4.1"
       }
     },
+    "inquirer": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.5.2.tgz",
+      "integrity": "sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==",
+      "dev": true,
+      "requires": {
+        "ansi-escapes": "^3.2.0",
+        "chalk": "^2.4.2",
+        "cli-cursor": "^2.1.0",
+        "cli-width": "^2.0.0",
+        "external-editor": "^3.0.3",
+        "figures": "^2.0.0",
+        "lodash": "^4.17.12",
+        "mute-stream": "0.0.7",
+        "run-async": "^2.2.0",
+        "rxjs": "^6.4.0",
+        "string-width": "^2.1.0",
+        "strip-ansi": "^5.1.0",
+        "through": "^2.3.6"
+      },
+      "dependencies": {
+        "ansi-escapes": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
+          "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==",
+          "dev": true
+        },
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "cli-cursor": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+          "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+          "dev": true,
+          "requires": {
+            "restore-cursor": "^2.0.0"
+          }
+        },
+        "figures": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
+          "integrity": "sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=",
+          "dev": true,
+          "requires": {
+            "escape-string-regexp": "^1.0.5"
+          }
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "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
+        },
+        "mimic-fn": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+          "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
+          "dev": true
+        },
+        "onetime": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
+          "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
+          "dev": true,
+          "requires": {
+            "mimic-fn": "^1.0.0"
+          }
+        },
+        "restore-cursor": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
+          "integrity": "sha1-n37ih/gv0ybU/RYpI9YhKe7g368=",
+          "dev": true,
+          "requires": {
+            "onetime": "^2.0.0",
+            "signal-exit": "^3.0.2"
+          }
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          },
+          "dependencies": {
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "dev": true,
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            }
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+              "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+              "dev": true
+            }
+          }
+        }
+      }
+    },
     "interpret": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.2.0.tgz",
@@ -6378,6 +7320,12 @@
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
       "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
     },
+    "is-callable": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
+      "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
+      "dev": true
+    },
     "is-ci": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-2.0.0.tgz",
@@ -6594,6 +7542,15 @@
       "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
       "dev": true
     },
+    "is-symbol": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.2.tgz",
+      "integrity": "sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==",
+      "dev": true,
+      "requires": {
+        "has-symbols": "^1.0.0"
+      }
+    },
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@@ -6930,6 +7887,12 @@
         "resolve": "^1.1.7"
       }
     },
+    "lines-and-columns": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.1.6.tgz",
+      "integrity": "sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA=",
+      "dev": true
+    },
     "list-stylesheets": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/list-stylesheets/-/list-stylesheets-1.2.2.tgz",
@@ -7723,11 +8686,52 @@
         }
       }
     },
+    "mri": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/mri/-/mri-1.1.4.tgz",
+      "integrity": "sha512-6y7IjGPm8AzlvoUrwAaw1tLnUBudaS3752vcd8JtrpGGQn+rXIe63LFVHm/YMwtqAuh+LJPCFdlLYPWM1nYn6w==",
+      "dev": true
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "multimatch": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/multimatch/-/multimatch-3.0.0.tgz",
+      "integrity": "sha512-22foS/gqQfANZ3o+W7ST2x25ueHDVNWl/b9OlGcLpy/iKxjCpvcNCM51YCenUi7Mt/jAjjqv8JwZRs8YP5sRjA==",
+      "dev": true,
+      "requires": {
+        "array-differ": "^2.0.3",
+        "array-union": "^1.0.2",
+        "arrify": "^1.0.1",
+        "minimatch": "^3.0.4"
+      },
+      "dependencies": {
+        "array-differ": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-2.1.0.tgz",
+          "integrity": "sha512-KbUpJgx909ZscOc/7CLATBFam7P1Z1QRQInvgT0UztM9Q72aGKCunKASAl7WNW0tnPmPyEMeMhdsfWhfmW037w==",
+          "dev": true
+        },
+        "array-union": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
+          "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
+          "dev": true,
+          "requires": {
+            "array-uniq": "^1.0.1"
+          }
+        },
+        "arrify": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+          "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
+          "dev": true
+        }
+      }
+    },
     "multipipe": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/multipipe/-/multipipe-0.1.2.tgz",
@@ -7741,6 +8745,12 @@
       "resolved": "https://registry.npmjs.org/mute-stdout/-/mute-stdout-1.0.1.tgz",
       "integrity": "sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg=="
     },
+    "mute-stream": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
+      "integrity": "sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=",
+      "dev": true
+    },
     "nan": {
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
@@ -7769,6 +8779,12 @@
       "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.6.tgz",
       "integrity": "sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA=="
     },
+    "natural-compare": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
+      "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
+      "dev": true
+    },
     "netmask": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/netmask/-/netmask-1.0.6.tgz",
@@ -7779,6 +8795,12 @@
       "resolved": "https://registry.npmjs.org/next-tick/-/next-tick-1.0.0.tgz",
       "integrity": "sha1-yobR/ogoFpsBICCOPchCS524NCw="
     },
+    "nice-try": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
+      "dev": true
+    },
     "node-gyp": {
       "version": "3.8.0",
       "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.8.0.tgz",
@@ -9901,6 +10923,12 @@
         }
       }
     },
+    "object-inspect": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.6.0.tgz",
+      "integrity": "sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==",
+      "dev": true
+    },
     "object-is": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/object-is/-/object-is-1.0.1.tgz",
@@ -9968,6 +10996,18 @@
         "make-iterator": "^1.0.0"
       }
     },
+    "object.values": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/object.values/-/object.values-1.1.0.tgz",
+      "integrity": "sha512-8mf0nKLAoFX6VlNVdhGj31SVYpaNFtUnuoOXWyFEstsWRgU837AK+JYM0iAxwkSzGRbwn8cbFmgbyxj1j4VbXg==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.12.0",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3"
+      }
+    },
     "observable-to-promise": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/observable-to-promise/-/observable-to-promise-1.0.0.tgz",
@@ -9995,6 +11035,12 @@
         "mimic-fn": "^2.1.0"
       }
     },
+    "opencollective-postinstall": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz",
+      "integrity": "sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw==",
+      "dev": true
+    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -10294,6 +11340,23 @@
         }
       }
     },
+    "parent-module": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
+      "integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==",
+      "dev": true,
+      "requires": {
+        "callsites": "^3.0.0"
+      },
+      "dependencies": {
+        "callsites": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
+          "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
+          "dev": true
+        }
+      }
+    },
     "parse-filepath": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.2.tgz",
@@ -10526,6 +11589,15 @@
         }
       }
     },
+    "please-upgrade-node": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.2.0.tgz",
+      "integrity": "sha512-gQR3WpIgNIKwBMVLkpMUeR3e1/E1y42bqDQZfql+kDeXd8COYfM8PQA4X6y7a8u9Ua9FHmsrrmirW2vHs45hWg==",
+      "dev": true,
+      "requires": {
+        "semver-compare": "^1.0.0"
+      }
+    },
     "plugin-error": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/plugin-error/-/plugin-error-1.0.1.tgz",
@@ -10601,6 +11673,12 @@
         }
       }
     },
+    "prettier": {
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
+      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
+      "dev": true
+    },
     "pretty-hrtime": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
@@ -10615,11 +11693,114 @@
         "parse-ms": "^2.1.0"
       }
     },
+    "pretty-quick": {
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/pretty-quick/-/pretty-quick-1.11.1.tgz",
+      "integrity": "sha512-kSXCkcETfak7EQXz6WOkCeCqpbC4GIzrN/vaneTGMP/fAtD8NerA9bPhCUqHAks1geo7biZNl5uEMPceeneLuA==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.3.0",
+        "execa": "^0.8.0",
+        "find-up": "^2.1.0",
+        "ignore": "^3.3.7",
+        "mri": "^1.1.0",
+        "multimatch": "^3.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
+          "integrity": "sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=",
+          "dev": true,
+          "requires": {
+            "lru-cache": "^4.0.1",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          }
+        },
+        "execa": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.8.0.tgz",
+          "integrity": "sha1-2NdrvBtVIX7RkP1t1J08d07PyNo=",
+          "dev": true,
+          "requires": {
+            "cross-spawn": "^5.0.1",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          }
+        },
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+          "dev": true,
+          "requires": {
+            "locate-path": "^2.0.0"
+          }
+        },
+        "ignore": {
+          "version": "3.3.10",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.10.tgz",
+          "integrity": "sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==",
+          "dev": true
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "dev": true,
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "dev": true,
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "dev": true,
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+          "dev": true
+        },
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+          "dev": true
+        }
+      }
+    },
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
       "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
     },
+    "progress": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
+      "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
+      "dev": true
+    },
     "promise": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
@@ -10704,11 +11885,6 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
       "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
     },
-    "q": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
-      "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc="
-    },
     "qs": {
       "version": "6.5.2",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
@@ -10957,6 +12133,12 @@
         "define-properties": "^1.1.2"
       }
     },
+    "regexpp": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
+      "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==",
+      "dev": true
+    },
     "regexpu-core": {
       "version": "4.5.5",
       "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-4.5.5.tgz",
@@ -11234,11 +12416,35 @@
         "glob": "^7.1.3"
       }
     },
+    "run-async": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz",
+      "integrity": "sha1-A3GrSuC91yDUFm19/aZP96RFpsA=",
+      "dev": true,
+      "requires": {
+        "is-promise": "^2.1.0"
+      }
+    },
+    "run-node": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/run-node/-/run-node-1.0.0.tgz",
+      "integrity": "sha512-kc120TBlQ3mih1LSzdAJXo4xn/GWS2ec0l3S+syHDXP9uRr0JAT8Qd3mdMuyjqCzeZktgP3try92cEgf9Nks8A==",
+      "dev": true
+    },
     "run-parallel": {
       "version": "1.1.9",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz",
       "integrity": "sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q=="
     },
+    "rxjs": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.2.tgz",
+      "integrity": "sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.9.0"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -11329,6 +12535,12 @@
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.1.tgz",
       "integrity": "sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw=="
     },
+    "semver-compare": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/semver-compare/-/semver-compare-1.0.0.tgz",
+      "integrity": "sha1-De4hahyUGrN+nvsXiPavxf9VN/w=",
+      "dev": true
+    },
     "semver-diff": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/semver-diff/-/semver-diff-2.1.0.tgz",
@@ -11772,6 +12984,26 @@
         "strip-ansi": "^3.0.0"
       }
     },
+    "string.prototype.trimleft": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.0.0.tgz",
+      "integrity": "sha1-aLaqjhYsaoDnbjqKDC50cYbicf8=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "function-bind": "^1.0.2"
+      }
+    },
+    "string.prototype.trimright": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.0.0.tgz",
+      "integrity": "sha1-q0pW2AKgH75yk+EehPJNyBZGYd0=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "function-bind": "^1.0.2"
+      }
+    },
     "string_decoder": {
       "version": "0.10.31",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
@@ -12004,6 +13236,88 @@
       "integrity": "sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==",
       "dev": true
     },
+    "table": {
+      "version": "5.4.6",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
+      "integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.10.2",
+        "lodash": "^4.17.14",
+        "slice-ansi": "^2.1.0",
+        "string-width": "^3.0.0"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.10.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
+          "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^2.0.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+          "dev": true
+        },
+        "fast-deep-equal": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+          "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "json-schema-traverse": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+          "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+          "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
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
     "tar": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
@@ -12051,6 +13365,18 @@
       "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-0.0.0.tgz",
       "integrity": "sha1-V4+8haapJjbkLdF7QdAhjM6esrM="
     },
+    "text-table": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+      "dev": true
+    },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
+      "dev": true
+    },
     "through2": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
@@ -12131,6 +13457,15 @@
         "next-tick": "1"
       }
     },
+    "tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "dev": true,
+      "requires": {
+        "os-tmpdir": "~1.0.2"
+      }
+    },
     "to-absolute-glob": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
@@ -12236,6 +13571,12 @@
         "glob": "^7.1.2"
       }
     },
+    "tslib": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
+      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
+      "dev": true
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -12477,6 +13818,23 @@
         "xdg-basedir": "^3.0.0"
       }
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+          "dev": true
+        }
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -12511,6 +13869,12 @@
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
       "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
     },
+    "v8-compile-cache": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
+      "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
+      "dev": true
+    },
     "v8flags": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.1.3.tgz",
@@ -12800,6 +14164,15 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "write-file-atomic": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.0.tgz",
diff --git a/package.json b/package.json
index 36da437..f2134d7 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,14 @@
     "url": "https://github.com/danmindru/responsive-html-email-signature/issues"
   },
   "homepage": "https://github.com/danmindru/responsive-html-email-signature#readme",
+  "scripts": {
+    "start": "gulp",
+    "once": "gulp run-pipeline",
+    "deploy": "npm run test && cp -r dist demo && git push origin `git subtree split --prefix demo develop`:gh-pages --force",
+    "test": "npm run once && node ./node_modules/.bin/ava",
+    "format": "prettier {tasks,tests}/**/*.js gulpfile.js .eslintrc.js --write",
+    "lint": "eslint ./**/*.js gulpfile.js --fix"
+  },
   "dependencies": {
     "autoprefixer": "^9.6.1",
     "del": "^5.1.0",
@@ -46,16 +54,25 @@
   "resolutions": {
     "graceful-fs": "^4.1.15"
   },
-  "scripts": {
-    "start": "gulp",
-    "once": "gulp run-pipeline",
-    "deploy": "npm run test && cp -r dist demo && git push origin `git subtree split --prefix demo develop`:gh-pages --force",
-    "test": "npm run once && node ./node_modules/.bin/ava"
-  },
   "devDependencies": {
-    "ava": "^2.3.0"
+    "ava": "^2.3.0",
+    "eslint": "^6.3.0",
+    "eslint-config-standard": "^14.1.0",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-node": "^9.2.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^4.0.1",
+    "husky": "^3.0.5",
+    "prettier": "^1.18.2",
+    "pretty-quick": "^1.11.1"
   },
   "browserslist": [
     "last 5 versions"
-  ]
+  ],
+  "husky": {
+    "hooks": {
+      "pre-push": "npm test",
+      "pre-commit": "npm run lint && pretty-quick --staged"
+    }
+  }
 }