feat(eslint): install eslint && prettier config

.eslintrc.json

@@ -0,0 +1,9 @@
+{
+  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
+  "ignorePatterns": ["node_modules/"],
+  "env": {
+    "browser": true,
+    "es2020": true,
+    "node": true
+  }
+}

package-lock.json

@@ -1143,6 +1143,12 @@
         }
       }
     },
+    "acorn-jsx": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
+      "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
+      "dev": true
+    },
     "acorn-walk": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
@@ -1192,6 +1198,15 @@
       "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM=",
       "dev": true
     },
+    "ansi-escapes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.0.tgz",
+      "integrity": "sha512-EiYhwo0v255HUL6eDyuLrXEkTi7WwVCLAw+SeOQ7M7qdun1z1pum4DEm/nuqIVbPvi9RPPc9k9LbyBv6H0DwVg==",
+      "dev": true,
+      "requires": {
+        "type-fest": "^0.8.1"
+      }
+    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -1362,6 +1377,12 @@
       "resolved": "https://registry.npmjs.org/ast-module-types/-/ast-module-types-2.5.0.tgz",
       "integrity": "sha512-dP6vhvatex3Q+OThhvcyGRvHn4noQBg1b8lCNKUAFL05up80hr2pAExveU3YQNDGMhfNPhQit/vzIkkvBPbSXw=="
     },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
     "async": {
       "version": "1.5.2",
       "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
@@ -2020,6 +2041,12 @@
         "is-regex": "^1.0.3"
       }
     },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "chokidar": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.3.0.tgz",
@@ -2171,6 +2198,12 @@
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       "dev": true
     },
+    "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
+    },
     "clipboard": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
@@ -3296,6 +3329,15 @@
         "randombytes": "^2.0.0"
       }
     },
+    "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"
+      }
+    },
     "doctypes": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/doctypes/-/doctypes-1.1.0.tgz",
@@ -3684,17 +3726,193 @@
         }
       }
     },
+    "eslint": {
+      "version": "6.8.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz",
+      "integrity": "sha512-K+Iayyo2LtyYhDSYwz5D5QdWw0hCacNzyq1Y821Xna2xSJj7cijoLLYmLxTQgcgZ9mC61nryMy9S7GRbYpI5Ig==",
+      "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": "^1.4.3",
+        "eslint-visitor-keys": "^1.1.0",
+        "espree": "^6.1.2",
+        "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": "^12.1.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.0.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^7.0.0",
+        "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": "^0.8.3",
+        "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": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
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+          "dev": true
+        },
+        "glob-parent": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.0.tgz",
+          "integrity": "sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==",
+          "dev": true,
+          "requires": {
+            "is-glob": "^4.0.1"
+          }
+        },
+        "globals": {
+          "version": "12.3.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-12.3.0.tgz",
+          "integrity": "sha512-wAfjdLgFsPZsklLJvOBUBmzYE8/CwhEqSBEMRXA3qxIiNtyqvjYurAtIfDh6chlEPUfmTY3MnZh5Hfh4q0UlIw==",
+          "dev": true,
+          "requires": {
+            "type-fest": "^0.8.1"
+          }
+        },
+        "import-fresh": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.2.1.tgz",
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+          "dev": true,
+          "requires": {
+            "parent-module": "^1.0.0",
+            "resolve-from": "^4.0.0"
+          }
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+        "resolve-from": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
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+        "strip-ansi": {
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
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+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
+    "eslint-config-prettier": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.10.0.tgz",
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+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
+    "eslint-plugin-prettier": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.2.tgz",
+      "integrity": "sha512-GlolCC9y3XZfv3RQfwGew7NnuFDKsfI4lbvRK+PIIo23SFH+LemGs4cKwzAaRa+Mdb+lQO/STaIayno8T5sJJA==",
+      "dev": true,
+      "requires": {
+        "prettier-linter-helpers": "^1.0.0"
+      }
+    },
+    "eslint-scope": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "esrecurse": "^4.1.0",
+        "estraverse": "^4.1.1"
+      }
+    },
+    "eslint-utils": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.1.0"
+      }
+    },
+    "eslint-visitor-keys": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
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     "esm": {
       "version": "3.2.25",
       "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
       "integrity": "sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==",
       "dev": true
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+    "espree": {
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+      "resolved": "https://registry.npmjs.org/espree/-/espree-6.1.2.tgz",
+      "integrity": "sha512-2iUPuuPP+yW1PZaMSDM9eyVf8D5P0Hi8h83YtZ5bPc/zHYjII5khoixIUTMO794NOY8F/ThF1Bo8ncZILarUTA==",
+      "dev": true,
+      "requires": {
+        "acorn": "^7.1.0",
+        "acorn-jsx": "^5.1.0",
+        "eslint-visitor-keys": "^1.1.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
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+          "dev": true
+        }
+      }
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     "esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
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     },
+    "esquery": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.1.0.tgz",
+      "integrity": "sha512-MxYW9xKmROWF672KqjO75sszsA8Mxhw06YFeS5VHlB98KDHbOSurm3ArsjO60Eaf3QmGMCP1yn+0JQkNLo/97Q==",
+      "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"
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     "estraverse": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
@@ -3816,6 +4034,17 @@
         }
       }
     },
+    "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": {
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@@ -3913,6 +4142,12 @@
       "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
       "dev": true
     },
+    "fast-diff": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz",
+      "integrity": "sha512-xJuoT5+L99XlZ8twedaRf6Ax2TgQVxvgZOYoPKqZufmJib0tL2tegPBOZb1pVNgIhlqDlA0eO0c3wBvQcmzx4w==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.1.0.tgz",
@@ -3998,6 +4233,24 @@
         "reusify": "^1.0.0"
       }
     },
+    "figures": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/figures/-/figures-3.2.0.tgz",
+      "integrity": "sha512-yaduQFRKLXYOGgEn6AZau90j3ggSOyiqXU0F9JZfeXYhNa+Jk4X+s45A2zg5jns87GAFa34BBm2kXw4XpNcbdg==",
+      "dev": true,
+      "requires": {
+        "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-exists-dazinatorfork": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/file-exists-dazinatorfork/-/file-exists-dazinatorfork-1.0.2.tgz",
@@ -4101,6 +4354,34 @@
         "pinkie-promise": "^2.0.0"
       }
     },
+    "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"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+          "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
+      }
+    },
+    "flatted": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
+      "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/flatten/-/flatten-1.0.3.tgz",
@@ -4681,6 +4962,12 @@
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     },
+    "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
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@@ -4706,6 +4993,12 @@
       "integrity": "sha1-3Xzn3hh8Bsi/NTeWrHHgmfCYDrw=",
       "dev": true
     },
+    "get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -5176,6 +5469,12 @@
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       "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
+    },
     "immutable": {
       "version": "3.8.2",
       "resolved": "https://registry.npmjs.org/immutable/-/immutable-3.8.2.tgz",
@@ -5191,6 +5490,12 @@
         "resolve-from": "^3.0.0"
       }
     },
+    "imurmurhash": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
+      "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
+      "dev": true
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     "ws": {
       "version": "6.1.4",
       "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",

package.json

@@ -5,15 +5,17 @@
   "description": "A modern dictionary about us.",
   "main": "index.js",
   "scripts": {
-    "build": "npm run build:css && npm run build:site",
-    "build:site": "eleventy",
     "build:css": "parcel build assets/css/base.scss --out-dir dist/assets/css/",
-    "watch": "eleventy --watch",
+    "build:site": "eleventy",
+    "build": "npm run build:css && npm run build:site",
+    "create-definitions": "bin/create-definitions",
+    "lint": "npm run lint:js",
+    "lint:js": "eslint \"11ty/**/*.js\"",
     "serve": "concurrently \"npm run serve:site\" \"npm run watch:css\"",
-    "watch:css": "parcel watch assets/css/base.scss --out-dir dist/assets/css/",
     "serve:site": "eleventy --serve",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "create-definitions": "bin/create-definitions"
+    "watch": "eleventy --watch",
+    "watch:css": "parcel watch assets/css/base.scss --out-dir dist/assets/css/"
   },
   "bin": {
     "create-definitions": "bin/create-definitions"
@@ -39,8 +41,12 @@
   },
   "devDependencies": {
     "concurrently": "^5.0.0",
+    "eslint": "^6.8.0",
+    "eslint-config-prettier": "^6.10.0",
+    "eslint-plugin-prettier": "^3.1.2",
     "esm": "^3.2.25",
     "parcel-bundler": "^1.12.4",
+    "prettier": "^1.19.1",
     "sass": "^1.23.7",
     "slugify": "^1.3.6"
   }