diff --git a/.gitignore b/.gitignore
index fd1211e..375c251 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,9 @@
 # npm
 node_modules
 
+# nyc
+.nyc_output
+
 # generated code
 /src/**/*.js
 /src/**/*.js.map
diff --git a/.nycrc.yml b/.nycrc.yml
new file mode 100644
index 0000000..4ee8c7d
--- /dev/null
+++ b/.nycrc.yml
@@ -0,0 +1,12 @@
+all: true
+exclude-after-remap: false
+# uncomment when ready to fail on not met coverage
+# check-coverage: true
+include:
+  - 'src/**'
+watermarks:
+  statements: [80, 95]
+  branches: [80, 95]
+  functions: [80, 95]
+  lines: [80, 95]
+per-file: true
diff --git a/forge.config.js b/forge.config.js
index 96516c6..56ad5c3 100644
--- a/forge.config.js
+++ b/forge.config.js
@@ -1,6 +1,7 @@
 const ignoreList = [
   /^\/\.idea($|\/)/,
   /^\/\.vscode($|\/)/,
+  /^\/\.nyc_output($|\/)/,
   /^\/database($|\/)/,
   /^\/declarations($|\/)/,
   /^\/node_modules\/\.cache($|\/)/,
@@ -11,7 +12,8 @@ const ignoreList = [
   /^\/\.eslintignore/,
   /^\/\.eslintrc\.json/,
   /^\/\.gitignore/,
-  /^\/\.mocharc.yml/,
+  /^\/\.mocharc\.yml/,
+  /^\/\.nycrc\.yml/,
   /^\/\.prettierrc\.yml/,
   /^\/forge.config\.js/,
   /^\/gulpfile\.js/,
diff --git a/package-lock.json b/package-lock.json
index f01f4fd..dadcf45 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,55 @@
         "@babel/highlight": "^7.0.0"
       }
     },
+    "@babel/generator": {
+      "version": "7.6.4",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.6.4.tgz",
+      "integrity": "sha512-jsBuXkFoZxk0yWLyGI9llT9oiQ2FeTASmRFE32U+aaDTfoE92t78eroO7PTpU/OrYq38hlcDM6vbfLDaOLy+7w==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.6.3",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.13",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "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/helper-function-name": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
+      "integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.0.0",
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+      "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.4.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz",
+      "integrity": "sha512-Ro/XkzLf3JFITkW6b+hNxzZ1n5OQ80NvIUdmHspih1XAhtN3vPTuUFT4eQnela+2MaZ5ulH+iyP513KJrxbN7Q==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.4.4"
+      }
+    },
     "@babel/highlight": {
       "version": "7.5.0",
       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
@@ -24,6 +73,62 @@
         "js-tokens": "^4.0.0"
       }
     },
+    "@babel/parser": {
+      "version": "7.6.4",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.6.4.tgz",
+      "integrity": "sha512-D8RHPW5qd0Vbyo3qb+YjO5nvUVRTXFLQ/FsDxJU2Nqz4uB5EnUN0ZQSEYpvTIbRuttig1XbHWU5oMeQwQSAA+A==",
+      "dev": true
+    },
+    "@babel/template": {
+      "version": "7.6.0",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.6.0.tgz",
+      "integrity": "sha512-5AEH2EXD8euCk446b7edmgFdub/qfH1SN6Nii3+fyXP807QRx9Q73A2N5hNwRRslC2H9sNzaFhsPubkS4L8oNQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.6.0",
+        "@babel/types": "^7.6.0"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.6.3.tgz",
+      "integrity": "sha512-unn7P4LGsijIxaAJo/wpoU11zN+2IaClkQAxcJWBNCMS6cmVh802IyLHNkAjQ0iYnRS3nnxk5O3fuXW28IMxTw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.5.5",
+        "@babel/generator": "^7.6.3",
+        "@babel/helper-function-name": "^7.1.0",
+        "@babel/helper-split-export-declaration": "^7.4.4",
+        "@babel/parser": "^7.6.3",
+        "@babel/types": "^7.6.3",
+        "debug": "^4.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.13"
+      },
+      "dependencies": {
+        "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"
+          }
+        }
+      }
+    },
+    "@babel/types": {
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.6.3.tgz",
+      "integrity": "sha512-CqbcpTxMcpuQTMhjI37ZHVgjBkysg5icREQIEZ0eG1yCNwg3oy+5AaLiOKmjsCj6nqOsa6Hf0ObjRVwokb7srA==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.13",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
     "@electron-forge/async-ora": {
       "version": "6.0.0-beta.45",
       "resolved": "https://registry.npmjs.org/@electron-forge/async-ora/-/async-ora-6.0.0-beta.45.tgz",
@@ -984,6 +1089,15 @@
         "buffer-equal": "^1.0.0"
       }
     },
+    "append-transform": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
+      "integrity": "sha512-P009oYkeHyU742iSZJzZZywj4QRJdnTWffaKuJQLablCZ1uz6/cW4yaRgcDaoQ+uwOxxnt0gRUcwfsNP2ri0gw==",
+      "dev": true,
+      "requires": {
+        "default-require-extensions": "^2.0.0"
+      }
+    },
     "aproba": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
@@ -1743,6 +1857,18 @@
         }
       }
     },
+    "caching-transform": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/caching-transform/-/caching-transform-3.0.2.tgz",
+      "integrity": "sha512-Mtgcv3lh3U0zRii/6qVgQODdPA4G3zhG+jtbCWj39RXuUFTMzH0vcdMtaJS1jPowd+It2Pqr6y3NJMQqOqCE2w==",
+      "dev": true,
+      "requires": {
+        "hasha": "^3.0.0",
+        "make-dir": "^2.0.0",
+        "package-hash": "^3.0.0",
+        "write-file-atomic": "^2.4.2"
+      }
+    },
     "caller-callsite": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
@@ -2274,6 +2400,27 @@
         }
       }
     },
+    "cp-file": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
+      "integrity": "sha512-fmvV4caBnofhPe8kOcitBwSn2f39QLjnAnGq3gO9dfd75mUytzKNZB1hde6QHunW2Rt+OwuBOMc3i1tNElbszA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^2.0.0",
+        "nested-error-stacks": "^2.0.0",
+        "pify": "^4.0.1",
+        "safe-buffer": "^5.0.1"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        }
+      }
+    },
     "crc": {
       "version": "3.8.0",
       "resolved": "https://registry.npmjs.org/crc/-/crc-3.8.0.tgz",
@@ -2565,6 +2712,15 @@
         }
       }
     },
+    "default-require-extensions": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-2.0.0.tgz",
+      "integrity": "sha1-9fj7sYp9bVCyH2QfZJ67Uiz+JPc=",
+      "dev": true,
+      "requires": {
+        "strip-bom": "^3.0.0"
+      }
+    },
     "default-resolution": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/default-resolution/-/default-resolution-2.0.0.tgz",
@@ -3150,6 +3306,12 @@
         "next-tick": "^1.0.0"
       }
     },
+    "es6-error": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/es6-error/-/es6-error-4.1.1.tgz",
+      "integrity": "sha512-Um/+FxMr9CISWh0bi5Zv0iOD+4cFh5qLeks1qhAopKVAJw3drgKbKySikp7wGhDL0HPeaja0P5ULZrxLkniUVg==",
+      "dev": true
+    },
     "es6-iterator": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.3.tgz",
@@ -4034,6 +4196,28 @@
         "for-in": "^1.0.1"
       }
     },
+    "foreground-child": {
+      "version": "1.5.6",
+      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz",
+      "integrity": "sha1-T9ca0t/elnibmApcCilZN8svXOk=",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^4",
+        "signal-exit": "^3.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
+          "integrity": "sha1-e5JHYhwjrf3ThWAEqCPL45dCTUE=",
+          "dev": true,
+          "requires": {
+            "lru-cache": "^4.0.1",
+            "which": "^1.2.9"
+          }
+        }
+      }
+    },
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
@@ -5283,6 +5467,18 @@
         "glogg": "^1.0.0"
       }
     },
+    "handlebars": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.4.3.tgz",
+      "integrity": "sha512-B0W4A2U1ww3q7VVthTKfh+epHx+q4mCt6iK+zEAzbMBpWQAwxCeKxEGpj/1oQTpzPXDNSOG7hmG14TsISH50yw==",
+      "dev": true,
+      "requires": {
+        "neo-async": "^2.6.0",
+        "optimist": "^0.6.1",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4"
+      }
+    },
     "har-schema": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
@@ -5380,6 +5576,15 @@
         "minimalistic-assert": "^1.0.1"
       }
     },
+    "hasha": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/hasha/-/hasha-3.0.0.tgz",
+      "integrity": "sha1-UqMvq4Vp1BymmmH/GiFPjrfIvTk=",
+      "dev": true,
+      "requires": {
+        "is-stream": "^1.0.1"
+      }
+    },
     "he": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
@@ -6029,6 +6234,99 @@
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
+    "istanbul-lib-coverage": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.5.tgz",
+      "integrity": "sha512-8aXznuEPCJvGnMSRft4udDRDtb1V3pkQkMMI5LI+6HuQz5oQ4J2UFn1H82raA3qJtyOLkkwVqICBQkjnGtn5mA==",
+      "dev": true
+    },
+    "istanbul-lib-hook": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-hook/-/istanbul-lib-hook-2.0.7.tgz",
+      "integrity": "sha512-vrRztU9VRRFDyC+aklfLoeXyNdTfga2EI3udDGn4cZ6fpSXpHLV9X6CHvfoMCPtggg8zvDDmC4b9xfu0z6/llA==",
+      "dev": true,
+      "requires": {
+        "append-transform": "^1.0.0"
+      }
+    },
+    "istanbul-lib-instrument": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.3.0.tgz",
+      "integrity": "sha512-5nnIN4vo5xQZHdXno/YDXJ0G+I3dAm4XgzfSVTPLQpj/zAV2dV6Juy0yaf10/zrJOJeHoN3fraFe+XRq2bFVZA==",
+      "dev": true,
+      "requires": {
+        "@babel/generator": "^7.4.0",
+        "@babel/parser": "^7.4.3",
+        "@babel/template": "^7.4.0",
+        "@babel/traverse": "^7.4.3",
+        "@babel/types": "^7.4.0",
+        "istanbul-lib-coverage": "^2.0.5",
+        "semver": "^6.0.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        }
+      }
+    },
+    "istanbul-lib-report": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-2.0.8.tgz",
+      "integrity": "sha512-fHBeG573EIihhAblwgxrSenp0Dby6tJMFR/HvlerBsrCTD5bkUuoNtn3gVh29ZCS824cGGBPn7Sg7cNk+2xUsQ==",
+      "dev": true,
+      "requires": {
+        "istanbul-lib-coverage": "^2.0.5",
+        "make-dir": "^2.1.0",
+        "supports-color": "^6.1.0"
+      },
+      "dependencies": {
+        "supports-color": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "istanbul-lib-source-maps": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-source-maps/-/istanbul-lib-source-maps-3.0.6.tgz",
+      "integrity": "sha512-R47KzMtDJH6X4/YW9XTx+jrLnZnscW4VpNN+1PViSYTejLVPWv7oov+Duf8YQSPyVRUvueQqz1TcsC6mooZTXw==",
+      "dev": true,
+      "requires": {
+        "debug": "^4.1.1",
+        "istanbul-lib-coverage": "^2.0.5",
+        "make-dir": "^2.1.0",
+        "rimraf": "^2.6.3",
+        "source-map": "^0.6.1"
+      },
+      "dependencies": {
+        "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"
+          }
+        }
+      }
+    },
+    "istanbul-reports": {
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.2.6.tgz",
+      "integrity": "sha512-SKi4rnMyLBKe0Jy2uUdx28h8oG7ph2PPuQPvIAh31d+Ci+lSiEu4C+h3oBPuJ9+mPKhOyW0M8gY4U5NM1WLeXA==",
+      "dev": true,
+      "requires": {
+        "handlebars": "^4.1.2"
+      }
+    },
     "js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -6089,6 +6387,12 @@
         "xml-name-validator": "^3.0.0"
       }
     },
+    "jsesc": {
+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+      "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==",
+      "dev": true
+    },
     "json-buffer": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.0.tgz",
@@ -6321,6 +6625,12 @@
       "integrity": "sha1-GVhwRQ9aExkkeN9Lw9I9LeoZB7Y=",
       "dev": true
     },
+    "lodash.flattendeep": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.flattendeep/-/lodash.flattendeep-4.4.0.tgz",
+      "integrity": "sha1-+wMJF/hqMTTlvJvsDWngAT3f7bI=",
+      "dev": true
+    },
     "lodash.get": {
       "version": "4.4.2",
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
@@ -6660,6 +6970,15 @@
         }
       }
     },
+    "merge-source-map": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/merge-source-map/-/merge-source-map-1.1.0.tgz",
+      "integrity": "sha512-Qkcp7P2ygktpMPh2mCQZaf3jhN6D3Z/qVZHSdWvQ+2Ef5HgRAPBO57A77+ENm0CPx2+1Ce/MYKi3ymqdfuqibw==",
+      "dev": true,
+      "requires": {
+        "source-map": "^0.6.1"
+      }
+    },
     "micromatch": {
       "version": "3.1.10",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
@@ -7016,6 +7335,12 @@
       "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
       "dev": true
     },
+    "nested-error-stacks": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/nested-error-stacks/-/nested-error-stacks-2.1.0.tgz",
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+    "nyc": {
+      "version": "14.1.1",
+      "resolved": "https://registry.npmjs.org/nyc/-/nyc-14.1.1.tgz",
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+      "dev": true,
+      "requires": {
+        "archy": "^1.0.0",
+        "caching-transform": "^3.0.2",
+        "convert-source-map": "^1.6.0",
+        "cp-file": "^6.2.0",
+        "find-cache-dir": "^2.1.0",
+        "find-up": "^3.0.0",
+        "foreground-child": "^1.5.6",
+        "glob": "^7.1.3",
+        "istanbul-lib-coverage": "^2.0.5",
+        "istanbul-lib-hook": "^2.0.7",
+        "istanbul-lib-instrument": "^3.3.0",
+        "istanbul-lib-report": "^2.0.8",
+        "istanbul-lib-source-maps": "^3.0.6",
+        "istanbul-reports": "^2.2.4",
+        "js-yaml": "^3.13.1",
+        "make-dir": "^2.1.0",
+        "merge-source-map": "^1.1.0",
+        "resolve-from": "^4.0.0",
+        "rimraf": "^2.6.3",
+        "signal-exit": "^3.0.2",
+        "spawn-wrap": "^1.4.2",
+        "test-exclude": "^5.2.3",
+        "uuid": "^3.3.2",
+        "yargs": "^13.2.2",
+        "yargs-parser": "^13.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        }
+      }
+    },
     "oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
@@ -7658,6 +8027,18 @@
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     },
+    "package-hash": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/package-hash/-/package-hash-3.0.0.tgz",
+      "integrity": "sha512-lOtmukMDVvtkL84rJHI7dpTYq+0rli8N2wlnqUcBuDWCfVhRUfOmnR9SsoHFMLpACvEV60dX7rd0rFaYDZI+FA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.15",
+        "hasha": "^3.0.0",
+        "lodash.flattendeep": "^4.4.0",
+        "release-zalgo": "^1.0.0"
+      }
+    },
     "pako": {
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       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.10.tgz",
@@ -8298,6 +8679,15 @@
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       "dev": true
     },
+    "release-zalgo": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/release-zalgo/-/release-zalgo-1.0.0.tgz",
+      "integrity": "sha1-CXALflB0Mpc5Mw5TXFqQ+2eFFzA=",
+      "dev": true,
+      "requires": {
+        "es6-error": "^4.0.1"
+      }
+    },
     "remove-bom-buffer": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz",
@@ -9027,6 +9417,20 @@
         }
       }
     },
+    "spawn-wrap": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/spawn-wrap/-/spawn-wrap-1.4.3.tgz",
+      "integrity": "sha512-IgB8md0QW/+tWqcavuFgKYR/qIRvJkRLPJDFaoXtLLUaVcCDK0+HeFTkmQHj3eprcYhc+gOl0aEA1w7qZlYezw==",
+      "dev": true,
+      "requires": {
+        "foreground-child": "^1.5.6",
+        "mkdirp": "^0.5.0",
+        "os-homedir": "^1.0.1",
+        "rimraf": "^2.6.2",
+        "signal-exit": "^3.0.2",
+        "which": "^1.3.0"
+      }
+    },
     "spdx-correct": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
@@ -9529,6 +9933,87 @@
         "worker-farm": "^1.7.0"
       }
     },
+    "test-exclude": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.2.3.tgz",
+      "integrity": "sha512-M+oxtseCFO3EDtAaGH7iiej3CBkzXqFMbzqYAACdzKui4eZA+pq3tZEwChvOdNfa7xxy8BfbmgJSIr43cC/+2g==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.1.3",
+        "minimatch": "^3.0.4",
+        "read-pkg-up": "^4.0.0",
+        "require-main-filename": "^2.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^3.0.0"
+          }
+        },
+        "load-json-file": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+          "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0",
+            "strip-bom": "^3.0.0"
+          }
+        },
+        "parse-json": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+          "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+          "dev": true,
+          "requires": {
+            "error-ex": "^1.3.1",
+            "json-parse-better-errors": "^1.0.1"
+          }
+        },
+        "path-type": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+          "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+          "dev": true,
+          "requires": {
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        },
+        "read-pkg": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+          "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+          "dev": true,
+          "requires": {
+            "load-json-file": "^4.0.0",
+            "normalize-package-data": "^2.3.2",
+            "path-type": "^3.0.0"
+          }
+        },
+        "read-pkg-up": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-4.0.0.tgz",
+          "integrity": "sha512-6etQSH7nJGsK0RbG/2TeDzZFa8shjQ1um+SwQQ5cwKy0dhSXdOncEhb1CPpvQG4h7FyOV6EB6YlV0yJvZQNAkA==",
+          "dev": true,
+          "requires": {
+            "find-up": "^3.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        }
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -9693,6 +10178,12 @@
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       "dev": true
     },
+    "to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+      "dev": true
+    },
     "to-object-path": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
@@ -10002,6 +10493,26 @@
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       "dev": true
     },
+    "uglify-js": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.1.tgz",
+      "integrity": "sha512-+dSJLJpXBb6oMHP+Yvw8hUgElz4gLTh82XuX68QiJVTXaE5ibl6buzhNkQdYhBlIhozWOC9ge16wyRmjG4TwVQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "commander": "2.20.0",
+        "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.20.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
+          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "unc-path-regex": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
@@ -10875,6 +11386,17 @@
         "mkdirp": "^0.5.1"
       }
     },
+    "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==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
+      }
+    },
     "ws": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.0.tgz",
diff --git a/package.json b/package.json
index 1c6796f..b77cc56 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,8 @@
     "typeorm:migrate:library": "typeorm migration:run -c library",
     "watch": "gulp build --watch --dev",
     "build": "gulp build",
-    "test:fast": "mocha --grep @slow --invert",
-    "test": "mocha",
+    "test:fast": "nyc mocha --grep @slow --invert",
+    "test": "nyc mocha",
     "lint": "npm run eslint && npm run tslint",
     "eslint-check": "eslint --print-config gulpfile.js | eslint-config-prettier-check",
     "eslint": "eslint .",
@@ -61,6 +61,7 @@
     "minimist": "^1.2.0",
     "mocha": "^6.2.1",
     "nock": "^11.4.0",
+    "nyc": "^14.1.1",
     "prettier": "latest",
     "sinon": "^7.5.0",
     "spectron": "^8.0.0",