.eslintrc.json

{
    "root": true,
    "env": {
        "node": true,
        "jquery": true
    },
    "extends": [
        "plugin:vue/strongly-recommended",
        "eslint:recommended"
    ],
    "globals": {
        "_": "readonly"
    },
    "ignorePatterns": ["public/theme/**"],
    "parserOptions": {
        "parser": "babel-eslint"
    },
    "rules": {
        "curly": ["error"],
        "eol-last": ["error", "always"],
        "indent": ["error", 4],
        "linebreak-style": ["error", "unix"],
        "max-len": ["warn", {
            "code": 120,
            "ignoreUrls": true,
            "ignoreRegExpLiterals": true
        }],
        "new-parens": "error",
        "no-console": "warn",
        "no-debugger": "warn",
        "no-trailing-spaces": ["error", { "skipBlankLines": true }],
        "no-unused-vars": ["warn"],
        "no-var": ["error"],
        "object-curly-spacing": ["error", "always", { "objectsInObjects": false }],
        "prefer-const": ["warn"],
        "quotes": ["error", "single"],
        "require-await": ["warn"],
        "space-before-function-paren": ["error", {
            "anonymous": "never",
            "named": "never",
            "asyncArrow": "always"
        }],
        "vue/html-closing-bracket-newline": "off",
        "vue/html-indent": ["error", 4, { "baseIndent": 1 }],
        "vue/max-attributes-per-line": ["error", {
            "singleline": 99,
            "multiline": { "max": 1, "allowFirstLine": true }
        }],
        "vue/script-indent": ["error", 4, { "baseIndent": 1 }],
        "vue/singleline-html-element-content-newline": "off"
    },
    "overrides": [
        {
            "files": ["*.vue", "*.js"],
            "rules": {
                "indent": "off"
            }
        }
    ]
}