{
    "extends": [
        "eslint:recommended",
        "google"
    ],
    "parserOptions": {
        "ecmaVersion": 10,
        "sourceType": "module"
    },
    "env": {
        "browser": true,
        "es6": true
    },
    "globals": {
        "__dirname": false,
        "app": false,
        "page": false,
        "Polymer": false,
        "process": false,
        "require": false,
        "Gerrit": false,
        "Promise": false,
        "assert": false,
        "test": false,
        "flushAsynchronousOperations": false
    },
    "rules": {
        "arrow-parens": [
            "error",
            "as-needed"
        ],
        "block-spacing": [
            "error",
            "always"
        ],
        "brace-style": [
            "error",
            "1tbs",
            {
                "allowSingleLine": true
            }
        ],
        "camelcase": "off",
        "comma-dangle": [
            "error",
            {
                "arrays": "always-multiline",
                "objects": "always-multiline",
                "imports": "always-multiline",
                "exports": "always-multiline",
                "functions": "never"
            }
        ],
        "eol-last": "off",
        "indent": [
            "error",
            2,
            {
                "MemberExpression": 2,
                "FunctionDeclaration": {
                    "body": 1,
                    "parameters": 2
                },
                "FunctionExpression": {
                    "body": 1,
                    "parameters": 2
                },
                "CallExpression": {
                    "arguments": 2
                },
                "ArrayExpression": 1,
                "ObjectExpression": 1,
                "SwitchCase": 1
            }
        ],
        "keyword-spacing": [
            "error",
            {
                "after": true,
                "before": true
            }
        ],
        "lines-between-class-members": [
            "error",
            "always"
        ],
        "max-len": [
            "error",
            80,
            2,
            {
                "ignoreComments": true,
                "ignorePattern": "^import .*;$"
            }
        ],
        "new-cap": [
            "error",
            {
                "capIsNewExceptions": [
                    "Polymer",
                    "LegacyElementMixin",
                    "GestureEventListeners",
                    "LegacyDataMixin"
                ]
            }
        ],
        "no-console": "off",
        "no-multiple-empty-lines": [
            "error",
            {
                "max": 1
            }
        ],
        "no-prototype-builtins": "off",
        "no-redeclare": "off",
        "no-restricted-syntax": [
            "error",
            {
                "selector": "ExpressionStatement > CallExpression > MemberExpression[object.name='test'][property.name='only']",
                "message": "Remove test.only."
            },
            {
                "selector": "ExpressionStatement > CallExpression > MemberExpression[object.name='suite'][property.name='only']",
                "message": "Remove suite.only."
            }
        ],
        "no-undef": "off",
        "no-useless-escape": "off",
        "no-var": "error",
        "object-shorthand": [
            "error",
            "always"
        ],
        "padding-line-between-statements": [
            "error",
            {
                "blankLine": "always",
                "prev": "class",
                "next": "*"
            },
            {
                "blankLine": "always",
                "prev": "*",
                "next": "class"
            }
        ],
        "prefer-arrow-callback": "error",
        "prefer-const": "error",
        "prefer-spread": "error",
        "quote-props": [
            "error",
            "consistent-as-needed"
        ],
        "require-jsdoc": "off",
        "semi": [
            2,
            "always"
        ],
        "template-curly-spacing": "error",
        "valid-jsdoc": "off",
        "require-jsdoc": 0,
        "valid-jsdoc": 0,
        "jsdoc/check-alignment": 2,
        "jsdoc/check-examples": 0,
        "jsdoc/check-indentation": 0,
        "jsdoc/check-param-names": 0,
        "jsdoc/check-syntax": 0,
        "jsdoc/check-tag-names": 0,
        "jsdoc/check-types": 0,
        "jsdoc/implements-on-classes": 2,
        "jsdoc/match-description": 0,
        "jsdoc/newline-after-description": 2,
        "jsdoc/no-types": 0,
        "jsdoc/no-undefined-types": 0,
        "jsdoc/require-description": 0,
        "jsdoc/require-description-complete-sentence": 0,
        "jsdoc/require-example": 0,
        "jsdoc/require-hyphen-before-param-description": 0,
        "jsdoc/require-jsdoc": 0,
        "jsdoc/require-param": 0,
        "jsdoc/require-param-description": 0,
        "jsdoc/require-param-name": 2,
        "jsdoc/require-param-type": 2,
        "jsdoc/require-returns": 0,
        "jsdoc/require-returns-check": 0,
        "jsdoc/require-returns-description": 0,
        "jsdoc/require-returns-type": 2,
        "jsdoc/valid-types": 2,
        "jsdoc/require-file-overview": [
            "error",
            {
                "tags": {
                    "license": {
                        "mustExist": true,
                        "preventDuplicates": true
                    }
                }
            }
        ],
        "import/named": 2,
        "import/no-unresolved": 2,
        "import/no-self-import": 2,
        // The no-cycle rule is slow, because it doesn't cache dependencies.
        // Disable it.
        "import/no-cycle": 0,
        "import/no-useless-path-segments": 2,
        "import/no-unused-modules": 2,
        "import/no-default-export": 2
    },
    "plugins": [
        "html",
        "jsdoc",
        "import"
    ],
    "settings": {
        "html/report-bad-indent": "error"
    },
    "overrides": [
        {
            "files": [
                "*_html.js",
                "*-styles.js",
                "externs.js"
            ],
            "rules": {
                "max-len": "off"
            }
        },
        {
            "files": [
                "*.html"
            ],
            "rules": {
                "jsdoc/require-file-overview": "off"
            }
        }
    ]
}