Add eslint configuration and attempt to get project mostly passing

This should not introduct any functionality changes, the intention is
purely to clean up the code
This is done in one commit because it's mostly a huge amount of
whitespace changes

.eslintrc.json

@@ -0,0 +1,204 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 2017
+  },
+  "env": {
+    "browser": true,
+    "es6": true
+  },
+  "globals": {
+    "jQuery": false,
+    "chrome": false
+  },
+  "rules": {
+    "no-restricted-globals": ["error", "event"],
+    "no-control-regex": "off",
+    "no-extra-parens": "off",
+    "no-regex-spaces": "off",
+    "valid-jsdoc": ["warn", { "prefer": { "arg": "param", "argument": "param", "class": "constructor", "return": "returns", "virtual": "abstract" }, "requireReturn": false }],
+    "accessor-pairs": "off",
+    "complexity": "off",
+    "consistent-return": "off",
+    "dot-notation": "off",
+    "no-empty-label": "off",
+    "no-extend-native": "off",
+    "no-multi-spaces": "off",
+    "no-multi-str": "off",
+    "strict": "off",
+    "init-declarations": "off",
+    "no-catch-shadow": "off",
+    "callback-return": "off",
+    "handle-callback-err": "off",
+    "no-mixed-requires": "off",
+    "no-new-require": "off",
+    "no-path-concat": "off",
+    "no-process-exit": "off",
+    "no-restricted-modules": "off",
+    "no-sync": "off",
+    "array-bracket-spacing": ["warn", "never",{}],
+    "brace-style": ["warn", "1tbs",{"allowSingleLine": true}],
+    "camelcase": ["off"],
+    "comma-spacing": ["warn", {"after": true}],
+    "comma-style": ["warn", "last"],
+    "computed-property-spacing": ["warn", "never"],
+    "consistent-this": "off",
+    "eol-last": "warn",
+    "func-names": "off",
+    "func-style": "off",
+    "id-length": "off",
+    "indent": ["warn", 2, {"SwitchCase": 1, "MemberExpression": "off", "CallExpression": {"arguments": "off"}}],
+    "key-spacing": ["warn", {"align": {"beforeColon": true, "afterColon": true, "on": "colon"}, "multiLine": { "beforeColon": false, "afterColon": true}}],
+    "lines-around-comment": "off",
+    "linebreak-style": ["warn", "unix"],
+    "max-nested-callbacks": "off",
+    "new-cap": "off",
+    "new-parens": "warn",
+    "no-array-constructor": "warn",
+    "no-continue": "off",
+    "no-inline-comments": "off",
+    "no-lonely-if": "warn",
+    "no-mixed-spaces-and-tabs": "warn",
+    "no-multiple-empty-lines": ["warn", {"max":2}],
+    "no-nested-ternary": "warn",
+    "no-new-object": "warn",
+    "func-call-spacing": "error",
+    "no-ternary": "off",
+    "no-trailing-spaces": "warn",
+    "no-underscore-dangle": "off",
+    "no-unneeded-ternary": "warn",
+    "object-curly-spacing": ["warn", "never", {"arraysInObjects": true, "objectsInObjects": true}],
+    "one-var": ["error", "never"],
+    "operator-assignment": ["warn", "always"],
+    "operator-linebreak": ["warn", "before"],
+    "padded-blocks": "off",
+    "quote-props": ["error", "consistent-as-needed"],
+    "quotes": ["warn", "single"],
+    "id-match": "off",
+    "semi-spacing": ["error", {"before": false, "after": true}],
+    "sort-vars": "off",
+    "keyword-spacing": ["warn", {"before": true, "after": true}],
+    "space-before-blocks": ["warn", "always"],
+    "space-before-function-paren": ["warn", {"anonymous": "always", "named": "never"}],
+    "space-in-parens": ["warn", "never"],
+    "space-infix-ops": "warn",
+    "space-return-throw-case": "off",
+    "space-unary-ops": ["warn", {"words": true, "nonwords": false}],
+    "spaced-comment": ["warn", "always", {"line": {"markers": [], "exceptions": []}, "block": {"markers": [], "exceptions": [], "balanced": true}}],
+    "wrap-regex": "warn",
+    "arrow-parens": "warn",
+    "arrow-spacing": ["warn", { "before": true, "after": true }],
+    "constructor-super": "error",
+    "generator-star-spacing": ["warn", {"before": true, "after": false}],
+    "no-class-assign": "warn",
+    "no-const-assign": "error",
+    "no-this-before-super": "error",
+    "no-var": "off",
+    "object-shorthand": "off",
+    "prefer-const": "off",
+    "prefer-spread": "off",
+    "require-yield": "warn",
+    "max-depth": "off",
+    "max-len": "off",
+    "max-params": "off",
+    "max-statements": "off",
+    "no-bitwise": "off",
+    "no-plusplus": "off",
+    "comma-dangle": ["error", "always-multiline"],
+    "no-cond-assign": ["error", "except-parens"],
+    "no-console": ["warn", {"allow": ["warn", "error"]}],
+    "no-constant-condition": "error",
+    "no-debugger": "warn",
+    "no-dupe-args": "error",
+    "no-dupe-keys": "error",
+    "no-duplicate-case": "error",
+    "no-empty-character-class": "error",
+    "no-empty": "error",
+    "no-ex-assign": "error",
+    "no-extra-boolean-cast": "error",
+    "no-extra-semi": "error",
+    "no-func-assign": "error",
+    "no-inner-declarations": ["error", "functions"],
+    "no-invalid-regexp": "error",
+    "no-irregular-whitespace": "error",
+    "no-unsafe-negation": "error",
+    "no-obj-calls": "error",
+    "no-sparse-arrays": "error",
+    "no-unreachable": "error",
+    "use-isnan": "error",
+    "valid-typeof": "error",
+    "no-unexpected-multiline": "error",
+    "block-scoped-var": "warn",
+    "curly": ["error", "all"],
+    "default-case": "error",
+    "dot-location": ["error", "property"],
+    "eqeqeq": ["error", "smart"],
+    "guard-for-in": "error",
+    "no-alert": "warn",
+    "no-caller": "error",
+    "no-div-regex": "error",
+    "no-else-return": "error",
+    "no-eq-null": "error",
+    "no-eval": "error",
+    "no-extra-bind": "error",
+    "no-fallthrough": "error",
+    "no-floating-decimal": "error",
+    "no-implicit-coercion": ["error", {"boolean":true,"number":true,"string":true}],
+    "no-implied-eval": "error",
+    "no-invalid-this": "error",
+    "no-iterator": "warn",
+    "no-labels": "error",
+    "no-lone-blocks": "error",
+    "no-loop-func": "error",
+    "no-global-assign": "error",
+    "no-new-func": "error",
+    "no-new-wrappers": "error",
+    "no-new": "error",
+    "no-octal-escape": "error",
+    "no-octal": "error",
+    "no-param-reassign": "off",
+    "no-process-env": "error",
+    "no-proto": "error",
+    "no-redeclare": ["error", {"builtinGlobals":true}],
+    "no-return-assign": ["error", "except-parens"],
+    "no-script-url": "error",
+    "no-self-compare": "error",
+    "no-sequences": "error",
+    "no-throw-literal": "error",
+    "no-unused-expressions": "warn",
+    "no-useless-call": "error",
+    "no-void": "off",
+    "no-warning-comments": "warn",
+    "no-with": "error",
+    "radix": "error",
+    "vars-on-top": "warn",
+    "wrap-iife": ["error", "outside"],
+    "yoda": ["error", "never", {"exceptRange":true}],
+    "no-delete-var": "error",
+    "no-label-var": "warn",
+    "no-shadow-restricted-names": "error",
+    "no-shadow": ["warn", {"builtinGlobals": true, "hoist": "all", "allow": ["event"]}],
+    "no-undef-init": "warn",
+    "no-undef": "error",
+    "no-undefined": "error",
+    "no-unused-vars": "warn",
+    "no-use-before-define": "error",
+    "semi": ["error", "always"],
+    "no-prototype-builtins": "warn",
+    "func-name-matching": "warn",
+    "no-useless-return": "warn",
+    "prefer-destructuring": "off",
+    "prefer-promise-reject-errors": "warn",
+    "no-multi-assign": "off",
+    "no-unmodified-loop-condition": "warn",
+    "template-tag-spacing": ["warn", "never"],
+    "no-compare-neg-zero": "warn",
+    "array-bracket-newline": ["warn", { "multiline": true }],
+    "array-element-newline": ["warn", { "multiline": true, "minItems": 1 }],
+    "object-curly-newline": ["error", { "consistent": true }],
+    "semi-style": "off",
+    "padding-line-between-statements": "off",
+    "for-direction": "error",
+    "switch-colon-spacing": ["warn", {"after": false, "before": false}],
+    "no-confusing-arrow": ["error", {"allowParens": true}]
+  }
+}