Some lint updates

.eslintrc.js

@@ -21,6 +21,15 @@ module.exports = {
   },
   plugins: ['@typescript-eslint'],
   rules: {
-    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
   },
+  overrides: [
+    {
+      // disable some rules specifically for test files
+      files: ['*.test.ts'],
+      rules: {
+        '@typescript-eslint/no-explicit-any': 'off',
+      },
+    },
+  ],
 };

package-lock.json

@@ -813,6 +813,32 @@
         "chalk": "^3.0.0"
       }
     },
+    "@nodelib/fs.scandir": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.4.tgz",
+      "integrity": "sha512-33g3pMJk3bg5nXbL/+CY6I2eJDzZAni49PfJnL5fghPTggPvBd/pFNSgJsdAgWptuFu7qq/ERvOYFlhvsLTCKA==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.stat": "2.0.4",
+        "run-parallel": "^1.1.9"
+      }
+    },
+    "@nodelib/fs.stat": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.4.tgz",
+      "integrity": "sha512-IYlHJA0clt2+Vg7bccq+TzRdJvv19c2INqBSsoOLp1je7xjtr7J26+WXR72MCdvU9q1qTzIWDfhMf+DRvQJK4Q==",
+      "dev": true
+    },
+    "@nodelib/fs.walk": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.6.tgz",
+      "integrity": "sha512-8Broas6vTtW4GIXTAHDoE32hnN2M5ykgCpWGbuXHQ15vEMqr23pB76e/GZcYsZCHALv50ktd24qhEyKr6wBtow==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.scandir": "2.1.4",
+        "fastq": "^1.6.0"
+      }
+    },
     "@sindresorhus/is": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-3.0.0.tgz",
@@ -910,12 +936,6 @@
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
       "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ=="
     },
-    "@types/eslint-visitor-keys": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
-      "integrity": "sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==",
-      "dev": true
-    },
     "@types/fs-extra": {
       "version": "8.1.1",
       "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.1.1.tgz",
@@ -1166,15 +1186,50 @@
       "dev": true
     },
     "@typescript-eslint/eslint-plugin": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.34.0.tgz",
-      "integrity": "sha512-4zY3Z88rEE99+CNvTbXSyovv2z9PNOVffTWD2W8QF5s2prBQtwN2zadqERcrHpcR7O/+KMI3fcTAmUUhK/iQcQ==",
+      "version": "4.15.2",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.15.2.tgz",
+      "integrity": "sha512-uiQQeu9tWl3f1+oK0yoAv9lt/KXO24iafxgQTkIYO/kitruILGx3uH+QtIAHqxFV+yIsdnJH+alel9KuE3J15Q==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/experimental-utils": "2.34.0",
+        "@typescript-eslint/experimental-utils": "4.15.2",
+        "@typescript-eslint/scope-manager": "4.15.2",
+        "debug": "^4.1.1",
         "functional-red-black-tree": "^1.0.1",
+        "lodash": "^4.17.15",
         "regexpp": "^3.0.0",
+        "semver": "^7.3.2",
         "tsutils": "^3.17.1"
+      },
+      "dependencies": {
+        "@typescript-eslint/experimental-utils": {
+          "version": "4.15.2",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.15.2.tgz",
+          "integrity": "sha512-Fxoshw8+R5X3/Vmqwsjc8nRO/7iTysRtDqx6rlfLZ7HbT8TZhPeQqbPjTyk2RheH3L8afumecTQnUc9EeXxohQ==",
+          "dev": true,
+          "requires": {
+            "@types/json-schema": "^7.0.3",
+            "@typescript-eslint/scope-manager": "4.15.2",
+            "@typescript-eslint/types": "4.15.2",
+            "@typescript-eslint/typescript-estree": "4.15.2",
+            "eslint-scope": "^5.0.0",
+            "eslint-utils": "^2.0.0"
+          }
+        },
+        "@typescript-eslint/typescript-estree": {
+          "version": "4.15.2",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.15.2.tgz",
+          "integrity": "sha512-cGR8C2g5SPtHTQvAymEODeqx90pJHadWsgTtx6GbnTWKqsg7yp6Eaya9nFzUd4KrKhxdYTTFBiYeTPQaz/l8bw==",
+          "dev": true,
+          "requires": {
+            "@typescript-eslint/types": "4.15.2",
+            "@typescript-eslint/visitor-keys": "4.15.2",
+            "debug": "^4.1.1",
+            "globby": "^11.0.1",
+            "is-glob": "^4.0.1",
+            "semver": "^7.3.2",
+            "tsutils": "^3.17.1"
+          }
+        }
       }
     },
     "@typescript-eslint/experimental-utils": {
@@ -1190,17 +1245,50 @@
       }
     },
     "@typescript-eslint/parser": {
-      "version": "2.34.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.34.0.tgz",
-      "integrity": "sha512-03ilO0ucSD0EPTw2X4PntSIRFtDPWjrVq7C3/Z3VQHRC7+13YB55rcJI3Jt+YgeHbjUdJPcPa7b23rXCBokuyA==",
+      "version": "4.15.2",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-4.15.2.tgz",
+      "integrity": "sha512-SHeF8xbsC6z2FKXsaTb1tBCf0QZsjJ94H6Bo51Y1aVEZ4XAefaw5ZAilMoDPlGghe+qtq7XdTiDlGfVTOmvA+Q==",
       "dev": true,
       "requires": {
-        "@types/eslint-visitor-keys": "^1.0.0",
-        "@typescript-eslint/experimental-utils": "2.34.0",
-        "@typescript-eslint/typescript-estree": "2.34.0",
-        "eslint-visitor-keys": "^1.1.0"
+        "@typescript-eslint/scope-manager": "4.15.2",
+        "@typescript-eslint/types": "4.15.2",
+        "@typescript-eslint/typescript-estree": "4.15.2",
+        "debug": "^4.1.1"
+      },
+      "dependencies": {
+        "@typescript-eslint/typescript-estree": {
+          "version": "4.15.2",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.15.2.tgz",
+          "integrity": "sha512-cGR8C2g5SPtHTQvAymEODeqx90pJHadWsgTtx6GbnTWKqsg7yp6Eaya9nFzUd4KrKhxdYTTFBiYeTPQaz/l8bw==",
+          "dev": true,
+          "requires": {
+            "@typescript-eslint/types": "4.15.2",
+            "@typescript-eslint/visitor-keys": "4.15.2",
+            "debug": "^4.1.1",
+            "globby": "^11.0.1",
+            "is-glob": "^4.0.1",
+            "semver": "^7.3.2",
+            "tsutils": "^3.17.1"
+          }
+        }
       }
     },
+    "@typescript-eslint/scope-manager": {
+      "version": "4.15.2",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.15.2.tgz",
+      "integrity": "sha512-Zm0tf/MSKuX6aeJmuXexgdVyxT9/oJJhaCkijv0DvJVT3ui4zY6XYd6iwIo/8GEZGy43cd7w1rFMiCLHbRzAPQ==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/types": "4.15.2",
+        "@typescript-eslint/visitor-keys": "4.15.2"
+      }
+    },
+    "@typescript-eslint/types": {
+      "version": "4.15.2",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.15.2.tgz",
+      "integrity": "sha512-r7lW7HFkAarfUylJ2tKndyO9njwSyoy6cpfDKWPX6/ctZA+QyaYscAHXVAfJqtnY6aaTwDYrOhp+ginlbc7HfQ==",
+      "dev": true
+    },
     "@typescript-eslint/typescript-estree": {
       "version": "2.34.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz",
@@ -1216,6 +1304,24 @@
         "tsutils": "^3.17.1"
       }
     },
+    "@typescript-eslint/visitor-keys": {
+      "version": "4.15.2",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.15.2.tgz",
+      "integrity": "sha512-TME1VgSb7wTwgENN5KVj4Nqg25hP8DisXxNBojM4Nn31rYaNDIocNm5cmjOFfh42n7NVERxWrDFoETO/76ePyg==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/types": "4.15.2",
+        "eslint-visitor-keys": "^2.0.0"
+      },
+      "dependencies": {
+        "eslint-visitor-keys": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-2.0.0.tgz",
+          "integrity": "sha512-QudtT6av5WXels9WjIM7qz1XD1cWGvX4gGXvp/zBn9nXG02D0utdU3Em2m/QjTnrsk6bBjmCygl3rmj118msQQ==",
+          "dev": true
+        }
+      }
+    },
     "abab": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.3.tgz",
@@ -1453,6 +1559,12 @@
       "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=",
       "dev": true
     },
+    "array-union": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
+      "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
+      "dev": true
+    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
@@ -2310,6 +2422,23 @@
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       "dev": true
     },
+    "dir-glob": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
+      "integrity": "sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==",
+      "dev": true,
+      "requires": {
+        "path-type": "^4.0.0"
+      },
+      "dependencies": {
+        "path-type": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
+          "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
+          "dev": true
+        }
+      }
+    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -2947,6 +3076,20 @@
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       "dev": true
     },
+    "fast-glob": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.5.tgz",
+      "integrity": "sha512-2DtFcgT68wiTTiwZ2hNdJfcHNke9XOfnwmBRWXhmeKM8rF0TGwmC/Qto3S7RoZKp5cilZbxzO5iTNTQsJ+EeDg==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.stat": "^2.0.2",
+        "@nodelib/fs.walk": "^1.2.3",
+        "glob-parent": "^5.1.0",
+        "merge2": "^1.3.0",
+        "micromatch": "^4.0.2",
+        "picomatch": "^2.2.1"
+      }
+    },
     "fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
@@ -2969,6 +3112,15 @@
       "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.0.7.tgz",
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     },
+    "fastq": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.11.0.tgz",
+      "integrity": "sha512-7Eczs8gIPDrVzT+EksYBcupqMyxSHXXrHOLRRxU2/DicV8789MRBRR8+Hc2uWzUupOs4YS4JzBmBxjjCVBxD/g==",
+      "dev": true,
+      "requires": {
+        "reusify": "^1.0.4"
+      }
+    },
     "fb-watchman": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/fb-watchman/-/fb-watchman-2.0.1.tgz",
@@ -3219,6 +3371,28 @@
         "type-fest": "^0.8.1"
       }
     },
+    "globby": {
+      "version": "11.0.2",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-11.0.2.tgz",
+      "integrity": "sha512-2ZThXDvvV8fYFRVIxnrMQBipZQDr7MxKAmQK1vujaj9/7eF0efG7BPUKJ7jP7G5SLF37xKDXvO4S/KKLj/Z0og==",
+      "dev": true,
+      "requires": {
+        "array-union": "^2.1.0",
+        "dir-glob": "^3.0.1",
+        "fast-glob": "^3.1.1",
+        "ignore": "^5.1.4",
+        "merge2": "^1.3.0",
+        "slash": "^3.0.0"
+      },
+      "dependencies": {
+        "ignore": {
+          "version": "5.1.8",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.8.tgz",
+          "integrity": "sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==",
+          "dev": true
+        }
+      }
+    },
     "glur": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/glur/-/glur-1.1.2.tgz",
@@ -5168,12 +5342,6 @@
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
       "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
     },
-    "lodash.memoize": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
-      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=",
-      "dev": true
-    },
     "lodash.sortby": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
@@ -5325,6 +5493,12 @@
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       "dev": true
     },
+    "merge2": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
+      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
+      "dev": true
+    },
     "micro": {
       "version": "9.3.4",
       "resolved": "https://registry.npmjs.org/micro/-/micro-9.3.4.tgz",
@@ -6068,6 +6242,12 @@
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       "dev": true
     },
+    "queue-microtask": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/queue-microtask/-/queue-microtask-1.2.2.tgz",
+      "integrity": "sha512-dB15eXv3p2jDlbOiNLyMabYg1/sXvppd8DP2J3EOCQ0AkuSXCW2tP7mnVouVLJKgUMY6yP0kcQDVpLCN13h4Xg==",
+      "dev": true
+    },
     "quick-format-unescaped": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.1.tgz",
@@ -6368,6 +6548,12 @@
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       "dev": true
     },
+    "reusify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
+      "dev": true
+    },
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       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
@@ -6383,6 +6569,15 @@
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       "dev": true
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+    "run-parallel": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
+      "integrity": "sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==",
+      "dev": true,
+      "requires": {
+        "queue-microtask": "^1.2.2"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -7307,28 +7502,119 @@
       "dev": true
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     "ts-jest": {
-      "version": "26.1.2",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.1.2.tgz",
-      "integrity": "sha512-V4SyBDO9gOdEh+AF4KtXJeP+EeI4PkOrxcA8ptl4o8nCXUVM5Gg/8ngGKneS5BsZaR9DXVQNqj9k+iqGAnpGow==",
+      "version": "26.5.2",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.2.tgz",
+      "integrity": "sha512-bwyJ2zJieSugf7RB+o8fgkMeoMVMM2KPDE0UklRLuACxjwJsOrZNo6chrcScmK33YavPSwhARffy8dZx5LJdUQ==",
       "dev": true,
       "requires": {
+        "@types/jest": "26.x",
         "bs-logger": "0.x",
         "buffer-from": "1.x",
         "fast-json-stable-stringify": "2.x",
-        "jest-util": "26.x",
+        "jest-util": "^26.1.0",
         "json5": "2.x",
-        "lodash.memoize": "4.x",
+        "lodash": "4.x",
         "make-error": "1.x",
         "mkdirp": "1.x",
         "semver": "7.x",
-        "yargs-parser": "18.x"
+        "yargs-parser": "20.x"
       },
       "dependencies": {
+        "@jest/types": {
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+          "resolved": "https://registry.npmjs.org/@jest/types/-/types-26.6.2.tgz",
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+          "dev": true,
+          "requires": {
+            "@types/istanbul-lib-coverage": "^2.0.0",
+            "@types/istanbul-reports": "^3.0.0",
+            "@types/node": "*",
+            "@types/yargs": "^15.0.0",
+            "chalk": "^4.0.0"
+          }
+        },
+        "@types/istanbul-reports": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/@types/istanbul-reports/-/istanbul-reports-3.0.0.tgz",
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+          "dev": true,
+          "requires": {
+            "@types/istanbul-lib-report": "*"
+          }
+        },
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+          "resolved": "https://registry.npmjs.org/@types/jest/-/jest-26.0.20.tgz",
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+          "dev": true,
+          "requires": {
+            "jest-diff": "^26.0.0",
+            "pretty-format": "^26.0.0"
+          }
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
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+          "dev": true,
+          "requires": {
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+            "supports-color": "^7.1.0"
+          }
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+          "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-26.6.2.tgz",
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+            "jest-get-type": "^26.3.0",
+            "pretty-format": "^26.6.2"
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+        "jest-get-type": {
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+        },
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+          "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-26.6.2.tgz",
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+            "@jest/types": "^26.6.2",
+            "ansi-regex": "^5.0.0",
+            "ansi-styles": "^4.0.0",
+            "react-is": "^17.0.1"
+          }
+        },
+        "react-is": {
+          "version": "17.0.1",
+          "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.1.tgz",
+          "integrity": "sha512-NAnt2iGDXohE5LI7uBnLnqvLQMtzhkiAOLXTmv+qnF9Ky7xAPcX8Up/xWIhxvLVGJvuLiNc4xQLtuqDRzb4fSA==",
+          "dev": true
+        },
+        "yargs-parser": {
+          "version": "20.2.6",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.6.tgz",
+          "integrity": "sha512-AP1+fQIWSM/sMiET8fyayjx/J+JmTPt2Mr0FkrgqB4todtfa53sOsrSAcIrJRD5XS20bKUwaDIuMkWKCEiQLKA==",
+          "dev": true
         }
       }
     },

package.json

@@ -60,8 +60,8 @@
     "@types/pino": "^6.0.0",
     "@types/sharp": "^0.25.0",
     "@types/test-listen": "^1.1.0",
-    "@typescript-eslint/eslint-plugin": "^2.31.0",
-    "@typescript-eslint/parser": "^2.31.0",
+    "@typescript-eslint/eslint-plugin": "^4.15.2",
+    "@typescript-eslint/parser": "^4.15.2",
     "eslint": "^7.0.0",
     "eslint-config-prettier": "^6.11.0",
     "eslint-plugin-jest": "^23.13.1",
@@ -72,7 +72,7 @@
     "prettier": "^2.0.5",
     "rimraf": "^3.0.2",
     "test-listen": "^1.1.0",
-    "ts-jest": "^26.0.0",
+    "ts-jest": "^26.5.2",
     "ts-node-dev": "^1.0.0-pre.44",
     "typescript": "^4.2.2"
   }

src/basePlugins/domainWhitelist.test.ts

 /* eslint-env jest */
 
 import domainWhitelistFactory from './domainWhitelist';
-import pluginLoader, {
-  PLUGIN_IGNORE_RESULT,
-} from '../pluginLoader/pluginLoader';
+import { PLUGIN_IGNORE_RESULT } from '../pluginLoader/pluginLoader';
 import { Config } from '../config/default';
-import {
-  ServerRequest,
-  ServerResponse,
-  AugmentedRequestHandler,
-} from 'microrouter';
+import { ServerRequest, ServerResponse } from 'microrouter';
 import CError from '../errors/CError';
 
 const config = {} as Config;

src/config/default.ts

@@ -3,7 +3,7 @@ import { RawOperation } from '../utils/operationParser';
 import type { PluginConstructor } from '../pluginLoader/pluginLoader';
 
 interface CacheBaseConfig {
-  type: 'memory' | 'file' | 'none' | Function;
+  type: 'memory' | 'file' | 'none' | (() => unknown);
   options: unknown;
 }
 
@@ -44,7 +44,7 @@ interface MemoryCacheConfig extends CacheBaseConfig {
   options: MemoryCacheOptions;
 }
 
-export type NoneCacheOptions = {} | null;
+export type NoneCacheOptions = unknown | null;
 
 /**
  * Disk-less

src/normalizers/duotone.test.ts

@@ -8,6 +8,7 @@ import { ServerRequest } from 'microrouter';
 const req = {} as ServerRequest;
 
 jest.mock('sharp', () => {
+  // eslint-disable-next-line @typescript-eslint/no-var-requires
   return require('../tests/mocks/sharp.mock').default.sharpConstructor;
 });
 

src/normalizers/resize/embed.ts

 import { ResizeModeOperator } from '.';
-import { Color } from '../../utils/colors';
+// import { Color } from '../../utils/colors';
 
-const fallbackColor: Color = {
-  r: 0,
-  g: 0,
-  b: 0,
-  alpha: 1,
-};
+// const fallbackColor: Color = {
+//   r: 0,
+//   g: 0,
+//   b: 0,
+//   alpha: 1,
+// };
 
 const embed: ResizeModeOperator = ({ image }) => async ({
   width,

src/utils/misc.ts

 import { Sharp } from 'sharp';
 import { Operation } from '../normalizers';
-import path from 'path';
 
 const jsonReplacer = (key: string | null, value: unknown): unknown => {
   if (Buffer.isBuffer(value)) {
@@ -44,5 +43,6 @@ export const buildDocumentationLink = (doc: string | null) =>
     ? `https://caravaggio.ramielcreations.com/docs/${doc}`
     : 'https://caravaggio.ramielcreations.com/docs';
 
+// eslint-disable-next-line @typescript-eslint/ban-types
 export const compose = (...fns: Function[]) =>
   fns.reduce((f, g) => (...args: unknown[]) => f(g(...args)));