Sample eslintrc Config File
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module.exports = { | |
"extends": ['eslint:recommended'], // extending recommended config and config derived from eslint-config-prettier | |
"plugins": ['prettier'], // activating esling-plugin-prettier (--fix stuff) | |
"rules": { | |
'prettier/prettier': [ // customizing prettier rules (unfortunately not many of them are customizable) | |
'error', | |
{ | |
"singleQuote": true, | |
"trailingComma": 'none', | |
"useTabs": false, | |
"tabWidth": 4 | |
}, | |
], | |
"no-constant-condition": 2, // disallow use of constant expressions in conditions | |
"no-control-regex": 2, // disallow control characters in regular expressions | |
"no-debugger": 2, // disallow use of debugger | |
"no-dupe-args": 2, // disallow duplicate arguments in functions | |
"no-dupe-keys": 2, // disallow duplicate keys when creating object literals | |
"no-duplicate-case": 2, // disallow a duplicate case label. | |
"no-empty": 2, // disallow empty statements | |
"no-ex-assign": 2, // disallow assigning to the exception in a catch block | |
"no-extra-boolean-cast": 2, // disallow double-negation boolean casts in a boolean context | |
"no-extra-parens": 0, // disallow unnecessary parentheses (off by default) | |
"no-extra-semi": 2, // disallow unnecessary semicolons | |
"no-func-assign": 2, // disallow overwriting functions written as function declarations | |
"no-inner-declarations": 2, // disallow function or variable declarations in nested blocks | |
"no-invalid-regexp": 2, // disallow invalid regular expression strings in the RegExp constructor | |
"no-irregular-whitespace": 2, // disallow irregular whitespace outside of strings and comments | |
"no-negated-in-lhs": 2, // disallow negation of the left operand of an in expression | |
"no-obj-calls": 2, // disallow the use of object properties of the global object (Math and JSON) as functions | |
"no-regex-spaces": 2, // disallow multiple spaces in a regular expression literal | |
"no-sparse-arrays": 2, // disallow sparse arrays | |
"no-unreachable": 2, // disallow unreachable statements after a return, throw, continue, or break statement | |
"use-isnan": 2, // disallow comparisons with the value NaN | |
"valid-jsdoc": 2, // Ensure JSDoc comments are valid (off by default) | |
"valid-typeof": 2, // Ensure that the results of typeof are compared against a valid string | |
}, | |
"parserOptions": { | |
'ecmaVersion': 2017 | |
}, | |
"env": { | |
'es6': true, | |
'node': true | |
} | |
}; |
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