.eslintrc.js

module.exports = {
  "env": {
    "browser": true,
    "es6": true,
  },
  "globals": {
    "chroma": true,
    "importScripts": true,
    "SharedArrayBuffer": true,
    "twgl": true,
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2020,
  },
  "plugins": [
    "eslint-plugin-html",
    "eslint-plugin-optional-comma-spacing",
    "eslint-plugin-one-variable-per-var",
    "eslint-plugin-require-trailing-comma",
  ],
  "extends": "eslint:recommended",
  "rules": {
    "no-alert": 2,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-catch-shadow": 2,
    "no-const-assign": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-implied-eval": 2,
    "no-iterator": 2,
    "no-label-var": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-octal-escape": 2,
    "no-process-exit": 2,
    "no-proto": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-sequences": 2,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-undef-init": 2,
    "no-underscore-dangle": 2,
    "no-unused-expressions": 2,
    "no-use-before-define": 0,
    "no-with": 2,
    "consistent-return": 2,
    "curly": [2, "all"],
    "no-extra-parens": [2, "functions"],
    "eqeqeq": 2,
    "new-cap": 2,
    "new-parens": 2,
    "semi-spacing": [2, {"before": false, "after": true}],
    "space-infix-ops": 2,
    "space-unary-ops": [2, { "words": true, "nonwords": false }],
    "strict": [2, "function"],
    "yoda": [2, "never"],
    "prefer-const": 2,
    "no-var": 2,

    "brace-style": [2, "1tbs", { "allowSingleLine": false }],
    "camelcase": [0],
    "comma-spacing": 0,
    "comma-dangle": 0,
    "comma-style": [2, "last"],
    "dot-notation": 0,
    "eol-last": [0],
    "global-strict": [0],
    "key-spacing": [0],
    "no-comma-dangle": [0],
    "no-irregular-whitespace": 2,
    "no-multi-spaces": [0],
    "no-obj-calls": 2,
    "no-shadow": [0],
    "no-undef": 2,
    "no-unreachable": 2,
    "one-variable-per-var/one-variable-per-var": [2],
    "optional-comma-spacing/optional-comma-spacing": [2, {"after": true}],
    "quotes": [0, "single"],
    "require-trailing-comma/require-trailing-comma": [2],
    "semi": [2, "always"],
    "space-before-function-paren": [2, "never"],
    "keyword-spacing": [1, {"before": true, "after": true, "overrides": {}} ],
  },
};