diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 00000000..db3c608d
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,20 @@
+{
+  "plugins": ["jest", "@typescript-eslint"],
+  "extends": ["plugin:github/es6"],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 9,
+    "sourceType": "module"
+  },
+  "rules": {
+    "no-unused-vars": "off",
+    "eslint-comments/no-use": "off",
+    "import/no-namespace": "off",
+    "@typescript-eslint/no-unused-vars": "error"
+  },
+  "env": {
+    "node": true,
+    "es6": true,
+    "jest/globals": true
+  }
+}
\ No newline at end of file
diff --git a/.github/main.workflow b/.github/main.workflow
index cf141b0f..e2e869ba 100644
--- a/.github/main.workflow
+++ b/.github/main.workflow
@@ -1,6 +1,6 @@
 workflow "CI" {
   on = "push"
-  resolves = ["Format", "Test"]
+  resolves = ["Format", "Lint", "Test"]
 }
 
 action "Dependencies" {
@@ -26,6 +26,12 @@ action "Format" {
   args = "run format-check"
 }
 
+action "Lint" {
+  needs = "Dependencies"
+  uses = "actions/npm@v2.0.0"
+  args = "run lint"
+}
+
 action "Test" {
   needs = "Compile"
   uses = "actions/npm@v2.0.0"
diff --git a/package-lock.json b/package-lock.json
index d379065d..37480712 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1455,6 +1455,52 @@
       "integrity": "sha512-SOhuU4wNBxhhTHxYaiG5NY4HBhDIDnJF60GU+2LqHAdKKer86//e4yg69aENCtQ04n0ovz+tq2YPME5t5yp4pw==",
       "dev": true
     },
+    "@typescript-eslint/eslint-plugin": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-1.9.0.tgz",
+      "integrity": "sha512-FOgfBorxjlBGpDIw+0LaZIXRX6GEEUfzj8LXwaQIUCp+gDOvkI+1WgugJ7SmWiISqK9Vj5r8S7NDKO/LB+6X9A==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/experimental-utils": "1.9.0",
+        "@typescript-eslint/parser": "1.9.0",
+        "eslint-utils": "^1.3.1",
+        "functional-red-black-tree": "^1.0.1",
+        "regexpp": "^2.0.1",
+        "requireindex": "^1.2.0",
+        "tsutils": "^3.7.0"
+      }
+    },
+    "@typescript-eslint/experimental-utils": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-1.9.0.tgz",
+      "integrity": "sha512-1s2dY9XxBwtS9IlSnRIlzqILPyeMly5tz1bfAmQ84Ul687xBBve5YsH5A5EKeIcGurYYqY2w6RkHETXIwnwV0A==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/typescript-estree": "1.9.0"
+      }
+    },
+    "@typescript-eslint/parser": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-1.9.0.tgz",
+      "integrity": "sha512-CWgC1XrQ34H/+LwAU7vY5xteZDkNqeAkeidEpJnJgkKu0yqQ3ZhQ7S+dI6MX4vmmM1TKRbOrKuXc6W0fIHhdbA==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/experimental-utils": "1.9.0",
+        "@typescript-eslint/typescript-estree": "1.9.0",
+        "eslint-scope": "^4.0.0",
+        "eslint-visitor-keys": "^1.0.0"
+      }
+    },
+    "@typescript-eslint/typescript-estree": {
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-1.9.0.tgz",
+      "integrity": "sha512-7Eg0TEQpCkTsEwsl1lIzd6i7L3pJLQFWesV08dS87bNz0NeSjbL78gNAP1xCKaCejkds4PhpLnZkaAjx9SU8OA==",
+      "dev": true,
+      "requires": {
+        "lodash.unescape": "4.0.1",
+        "semver": "5.5.0"
+      }
+    },
     "JSONStream": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.5.tgz",
@@ -1493,6 +1539,12 @@
         "acorn-walk": "^6.0.1"
       }
     },
+    "acorn-jsx": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
+      "integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==",
+      "dev": true
+    },
     "acorn-walk": {
       "version": "6.1.1",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
@@ -1594,6 +1646,16 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "aria-query": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/aria-query/-/aria-query-3.0.0.tgz",
+      "integrity": "sha1-ZbP8wcoRVajJrmTW7uKX8V1RM8w=",
+      "dev": true,
+      "requires": {
+        "ast-types-flow": "0.0.7",
+        "commander": "^2.11.0"
+      }
+    },
     "arr-diff": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -1636,6 +1698,16 @@
       "integrity": "sha1-nlKHYrSpBmrRY6aWKjZEGOlibs4=",
       "dev": true
     },
+    "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-union": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
@@ -1690,6 +1762,12 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "ast-types-flow": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/ast-types-flow/-/ast-types-flow-0.0.7.tgz",
+      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0=",
+      "dev": true
+    },
     "astral-regex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
@@ -1741,6 +1819,41 @@
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
       "dev": true
     },
+    "axobject-query": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-2.0.2.tgz",
+      "integrity": "sha512-MCeek8ZH7hKyO1rWUbKNQBbl4l2eY0ntk7OGi+q0RlafrCnfPxC06WZA+uebCfmYp4mNU9jRBP1AhGyf8+W3ww==",
+      "dev": true,
+      "requires": {
+        "ast-types-flow": "0.0.7"
+      }
+    },
+    "babel-eslint": {
+      "version": "10.0.1",
+      "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-10.0.1.tgz",
+      "integrity": "sha512-z7OT1iNV+TjOwHNLLyJk+HN+YVWX+CLE6fPD2SymJZOZQBs+QIexFjhm4keGTm8MW9xr4EC9Q0PbaLB24V5GoQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.0.0",
+        "@babel/traverse": "^7.0.0",
+        "@babel/types": "^7.0.0",
+        "eslint-scope": "3.7.1",
+        "eslint-visitor-keys": "^1.0.0"
+      },
+      "dependencies": {
+        "eslint-scope": {
+          "version": "3.7.1",
+          "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-3.7.1.tgz",
+          "integrity": "sha1-PWPD7f2gLgbgGkUq2IyqzHzctug=",
+          "dev": true,
+          "requires": {
+            "esrecurse": "^4.1.0",
+            "estraverse": "^4.1.1"
+          }
+        }
+      }
+    },
     "babel-jest": {
       "version": "24.7.1",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-24.7.1.tgz",
@@ -2320,8 +2433,7 @@
       "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
+      "dev": true
     },
     "compare-func": {
       "version": "1.3.2",
@@ -2374,6 +2486,67 @@
         "typedarray": "^0.0.6"
       }
     },
+    "concurrently": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-4.1.0.tgz",
+      "integrity": "sha512-pwzXCE7qtOB346LyO9eFWpkFJVO3JQZ/qU/feGeaAHiX1M3Rw3zgXKc5cZ8vSH5DGygkjzLFDzA/pwoQDkRNGg==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.1",
+        "date-fns": "^1.23.0",
+        "lodash": "^4.17.10",
+        "read-pkg": "^4.0.1",
+        "rxjs": "^6.3.3",
+        "spawn-command": "^0.0.2-1",
+        "supports-color": "^4.5.0",
+        "tree-kill": "^1.1.0",
+        "yargs": "^12.0.1"
+      },
+      "dependencies": {
+        "has-flag": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "dev": true
+        },
+        "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"
+          }
+        },
+        "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": "4.0.1",
+          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-4.0.1.tgz",
+          "integrity": "sha1-ljYlN48+HE1IyFhytabsfV0JMjc=",
+          "dev": true,
+          "requires": {
+            "normalize-package-data": "^2.3.2",
+            "parse-json": "^4.0.0",
+            "pify": "^3.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "4.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
+          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "dev": true,
+          "requires": {
+            "has-flag": "^2.0.0"
+          }
+        }
+      }
+    },
     "config-chain": {
       "version": "1.1.12",
       "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.12.tgz",
@@ -2390,6 +2563,12 @@
       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
       "dev": true
     },
+    "contains-path": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
+      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
+      "dev": true
+    },
     "conventional-changelog-angular": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-5.0.3.tgz",
@@ -2680,6 +2859,16 @@
         }
       }
     },
+    "cross-fetch": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.2.tgz",
+      "integrity": "sha1-pH/09/xxLauo9qaVoRyUhEDUVyM=",
+      "dev": true,
+      "requires": {
+        "node-fetch": "2.1.2",
+        "whatwg-fetch": "2.0.4"
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -2723,6 +2912,12 @@
       "integrity": "sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=",
       "dev": true
     },
+    "damerau-levenshtein": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.5.tgz",
+      "integrity": "sha512-CBCRqFnpu715iPmw1KrdOrzRqbdFwQTwAWyyyYS42+iAgHCuXZ+/TdMgQkUENPomxEz9z1BEzuQU2Xw0kUuAgA==",
+      "dev": true
+    },
     "dargs": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/dargs/-/dargs-4.1.0.tgz",
@@ -2765,6 +2960,12 @@
         }
       }
     },
+    "date-fns": {
+      "version": "1.30.1",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-1.30.1.tgz",
+      "integrity": "sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw==",
+      "dev": true
+    },
     "dateformat": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/dateformat/-/dateformat-3.0.3.tgz",
@@ -2975,6 +3176,15 @@
         }
       }
     },
+    "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"
+      }
+    },
     "domexception": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
@@ -3021,6 +3231,12 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "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
+    },
     "encoding": {
       "version": "0.1.12",
       "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
@@ -3128,12 +3344,378 @@
         }
       }
     },
+    "eslint": {
+      "version": "5.16.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
+      "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "ajv": "^6.9.1",
+        "chalk": "^2.1.0",
+        "cross-spawn": "^6.0.5",
+        "debug": "^4.0.1",
+        "doctrine": "^3.0.0",
+        "eslint-scope": "^4.0.3",
+        "eslint-utils": "^1.3.1",
+        "eslint-visitor-keys": "^1.0.0",
+        "espree": "^5.0.1",
+        "esquery": "^1.0.1",
+        "esutils": "^2.0.2",
+        "file-entry-cache": "^5.0.1",
+        "functional-red-black-tree": "^1.0.1",
+        "glob": "^7.1.2",
+        "globals": "^11.7.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.0.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^6.2.2",
+        "js-yaml": "^3.13.0",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "levn": "^0.3.0",
+        "lodash": "^4.17.11",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^0.5.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
+        "path-is-inside": "^1.0.2",
+        "progress": "^2.0.0",
+        "regexpp": "^2.0.1",
+        "semver": "^5.5.1",
+        "strip-ansi": "^4.0.0",
+        "strip-json-comments": "^2.0.1",
+        "table": "^5.2.3",
+        "text-table": "^0.2.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
+      }
+    },
+    "eslint-config-prettier": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-4.3.0.tgz",
+      "integrity": "sha512-sZwhSTHVVz78+kYD3t5pCWSYEdVSBR0PXnwjDRsUs8ytIrK8PLXw+6FKp8r3Z7rx4ZszdetWlXYKOHoUrrwPlA==",
+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
+    "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",
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+      "dev": true,
+      "requires": {
+        "debug": "^2.6.9",
+        "resolve": "^1.5.0"
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+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
+        }
+      }
+    },
+    "eslint-module-utils": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.4.0.tgz",
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+      "requires": {
+        "debug": "^2.6.8",
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+          "requires": {
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+          }
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+        "ms": {
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@@ -6016,6 +6720,18 @@
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@@ -6087,6 +6803,12 @@
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@@ -6850,6 +7578,18 @@
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@@ -7124,6 +7864,15 @@
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@@ -7191,6 +7940,12 @@
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+      "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
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@@ -7333,6 +8112,17 @@
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+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.7.2.tgz",
+      "integrity": "sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==",
+      "dev": true,
+      "requires": {
+        "loose-envify": "^1.4.0",
+        "object-assign": "^4.1.1",
+        "react-is": "^16.8.1"
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@@ -7481,6 +8271,17 @@
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+    "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"
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@@ -7640,6 +8441,12 @@
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+    "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
+    },
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       "dev": true
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+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/requireindex/-/requireindex-1.2.0.tgz",
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+    "slice-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
+      "integrity": "sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==",
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^3.2.0",
+        "astral-regex": "^1.0.0",
+        "is-fullwidth-code-point": "^2.0.0"
+      }
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       "resolved": "https://registry.npmjs.org/slide/-/slide-1.1.6.tgz",
@@ -8179,6 +9003,12 @@
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       "dev": true
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+    "spawn-command": {
+      "version": "0.0.2-1",
+      "resolved": "https://registry.npmjs.org/spawn-command/-/spawn-command-0.0.2-1.tgz",
+      "integrity": "sha1-YvXpRmmBwbeW3Fkpk34RycaSG9A=",
+      "dev": true
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@@ -8375,6 +9205,12 @@
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       "dev": true
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+    "strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/strong-log-transformer/-/strong-log-transformer-2.1.0.tgz",
@@ -8403,12 +9239,58 @@
         "has-flag": "^3.0.0"
       }
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+    "svg-element-attributes": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/svg-element-attributes/-/svg-element-attributes-1.3.0.tgz",
+      "integrity": "sha512-M4rTTZ186MY4/d3a4XNNuEptXOTIz5qeasp2D7gWVwIDa9e2wF1ccrFs9x7ZW6Sp4+ebCOt9GMCpccC3wt3srg==",
+      "dev": true
+    },
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       "integrity": "sha1-rifbOPZgp64uHDt9G8KQgZuFGeY=",
       "dev": true
     },
+    "table": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.3.3.tgz",
+      "integrity": "sha512-3wUNCgdWX6PNpOe3amTTPWPuF6VGvgzjKCaO1snFj0z7Y3mUPWf5+zDtxUVGispJkDECPmR29wbzh6bVMOHbcw==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.9.1",
+        "lodash": "^4.17.11",
+        "slice-ansi": "^2.1.0",
+        "string-width": "^3.0.0"
+      },
+      "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
+        },
+        "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": "2.2.1",
       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
@@ -8475,6 +9357,12 @@
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       "dev": true
     },
+    "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
+    },
     "throat": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/throat/-/throat-4.1.0.tgz",
@@ -8579,6 +9467,12 @@
         "punycode": "^2.1.0"
       }
     },
+    "tree-kill": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
+      "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==",
+      "dev": true
+    },
     "trim-newlines": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-2.0.0.tgz",
@@ -8637,6 +9531,15 @@
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       "dev": true
     },
+    "tsutils": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.10.0.tgz",
+      "integrity": "sha512-q20XSMq7jutbGB8luhKKsQldRKWvyBO2BGqni3p4yq8Ys9bEP/xQw3KepKmMRt9gJ4lvQSScrihJrcKdKoSU7Q==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.8.1"
+      }
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -8934,6 +9837,12 @@
         "iconv-lite": "0.4.24"
       }
     },
+    "whatwg-fetch": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+      "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==",
+      "dev": true
+    },
     "whatwg-mimetype": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz",
@@ -9043,6 +9952,15 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "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": "2.4.1",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.1.tgz",
diff --git a/package.json b/package.json
index e4fc977b..e4cd4f30 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,10 @@
   "scripts": {
     "bootstrap": "lerna bootstrap",
     "build": "lerna run tsc",
+    "check-all": "concurrently \"npm:format-check\" \"npm:lint\" \"npm:test\" \"npm:build -- -- --noEmit\"",
     "format": "prettier --write packages/*/src/**/*.ts",
     "format-check": "prettier --check packages/*/src/**/*.ts",
+    "lint": "eslint packages/*/src/**/*.ts",
     "new-package": "scripts/create-package",
     "test": "jest"
   },
@@ -13,6 +15,11 @@
     "@types/jest": "^24.0.11",
     "@types/node": "^11.13.5",
     "@types/signale": "^1.2.1",
+    "@typescript-eslint/parser": "^1.9.0",
+    "concurrently": "^4.1.0",
+    "eslint": "^5.16.0",
+    "eslint-plugin-github": "^2.0.0",
+    "eslint-plugin-jest": "^22.5.1",
     "jest": "^24.7.1",
     "jest-circus": "^24.7.1",
     "lerna": "^3.13.3",
diff --git a/tsconfig.json b/tsconfig.json
index a02254a9..80c954ed 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,5 @@
 {
   "compilerOptions": {
-    "allowSyntheticDefaultImports": true,
     "module": "commonjs",
     "strict": true,
     "declaration": true,