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.eslintrc.js
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.eslintrc.js
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module.exports = {
root: true,
parserOptions: {
ecmaVersion: 6,
sourceType: 'module'
},
parser: 'babel-eslint',
extends: 'eslint:recommended',
env: {
'browser': true
},
rules: {
// TODO: Remove this to ensure we handle errors properly in UI
"no-empty": ["error", { "allowEmptyCatch": true }],
// enforce spacing inside array brackets
'array-bracket-spacing': [2, 'never'],
// enforce spacing inside single-line blocks
// http://eslint.org/docs/rules/block-spacing
'block-spacing': [2, 'always'],
// enforce one true brace style
'brace-style': [2, '1tbs', { allowSingleLine: true }],
// require camel case names
'camelcase': [2, { properties: 'never' }],
// enforce spacing before and after comma
'comma-spacing': [2, { before: false, after: true }],
// enforce one true comma style
'comma-style': [2, 'last'],
// disallow padding inside computed properties
'computed-property-spacing': [2, 'never'],
// enforces consistent naming when capturing the current execution context
'consistent-this': 0,
// enforce newline at the end of file, with no multiple empty lines
'eol-last': 2,
// enforces use of function declarations or expressions
'func-style': 0,
// Blacklist certain identifiers to prevent them being used
// http://eslint.org/docs/rules/id-blacklist
'id-blacklist': 0,
// this option enforces minimum and maximum identifier lengths
// (variable names, property names etc.)
'id-length': 0,
// require identifiers to match the provided regular expression
'id-match': 0,
// this option sets a specific tab width for your code
// http://eslint.org/docs/rules/indent
'indent': [2, 2, { SwitchCase: 1, VariableDeclarator: 1}],
// enforces spacing between keys and values in object literal properties
'key-spacing': [2, { beforeColon: false, afterColon: true }],
// require a space before & after certain keywords
'keyword-spacing': [2, {
before: true,
after: true,
overrides: {
return: { after: true },
throw: { after: true },
case: { after: true }
}
}],
// disallow mixed 'LF' and 'CRLF' as linebreaks
'linebreak-style': 0,
// enforces empty lines around comments
'lines-around-comment': 0,
// specify the maximum depth that blocks can be nested
'max-depth': [0, 4],
// specify the maximum length of a line in your program
// http://eslint.org/docs/rules/max-len
'max-len': [2, 100, 2, {
ignoreUrls: true,
ignoreComments: false
}],
// specify the max number of lines in a file
// http://eslint.org/docs/rules/max-lines
'max-lines': [0, {
max: 300,
skipBlankLines: true,
skipComments: true
}],
// specify the maximum depth callbacks can be nested
'max-nested-callbacks': 0,
// limits the number of parameters that can be used in the function declaration.
'max-params': [0, 3],
// specify the maximum number of statement allowed in a function
'max-statements': [0, 10],
// restrict the number of statements per line
// http://eslint.org/docs/rules/max-statements-per-line
'max-statements-per-line': [0, { max: 1 }],
// TODO: Figure way around this. Problematic is currently our use of
// Ember.A().
// require a capital letter for constructors
// 'new-cap': [2, { newIsCap: true }],
// disallow the omission of parentheses when invoking a constructor with no arguments
'new-parens': 0,
// allow/disallow an empty newline after var statement
'newline-after-var': 0,
// http://eslint.org/docs/rules/newline-before-return
'newline-before-return': 0,
// enforces new line after each method call in the chain to make it
// more readable and easy to maintain
// http://eslint.org/docs/rules/newline-per-chained-call
'newline-per-chained-call': [2, { ignoreChainWithDepth: 4 }],
// disallow use of the Array constructor
'no-array-constructor': 2,
// disallow use of bitwise operators
'no-bitwise': 0,
// disallow use of the continue statement
'no-continue': 0,
// disallow comments inline after code
'no-inline-comments': 0,
// disallow if as the only statement in an else block
'no-lonely-if': 0,
// TODO: Figure out why this errors out even though
// it's documented
// disallow un-paren'd mixes of different operators
// http://eslint.org/docs/rules/no-mixed-operators
// 'no-mixed-operators': [2, {
// groups: [
// ['+', '-', '*', '/', '%', '**'],
// ['&', '|', '^', '~', '<<', '>>', '>>>'],
// ['==', '!=', '===', '!==', '>', '>=', '<', '<='],
// ['&&', '||'],
// ['in', 'instanceof']
// ],
// allowSamePrecedence: false
// }],
// disallow mixed spaces and tabs for indentation
'no-mixed-spaces-and-tabs': 2,
// disallow multiple empty lines and only one newline at the end
'no-multiple-empty-lines': [2, { max: 2, maxEOF: 1 }],
// disallow negated conditions
// http://eslint.org/docs/rules/no-negated-condition
'no-negated-condition': 0,
// TODO: Fix use of this in the app. Just don't have the brain power
// currently.
// disallow nested ternary expressions
// 'no-nested-ternary': 2,
// disallow use of the Object constructor
'no-new-object': 2,
// disallow use of unary operators, ++ and --
'no-plusplus': 0,
// disallow certain syntax forms
// http://eslint.org/docs/rules/no-restricted-syntax
'no-restricted-syntax': [
2,
'DebuggerStatement',
'LabeledStatement',
'WithStatement',
],
// disallow space between function identifier and application
'no-spaced-func': 2,
// disallow the use of ternary operators
'no-ternary': 0,
// disallow trailing whitespace at the end of lines
'no-trailing-spaces': 2,
// TODO: Figure out how to get this enabled (renaming some things perhaps)
// The the default here is to not allow it, but it's necessary for
// overriding via this._super(..arguments), so...
// disallow dangling underscores in identifiers
// 'no-underscore-dangle': [2, { allowAfterThis: true }],
// disallow the use of Boolean literals in conditional expressions
// also, prefer `a || b` over `a ? a : b`
// http://eslint.org/docs/rules/no-unneeded-ternary
'no-unneeded-ternary': [2, { defaultAssignment: false }],
// disallow whitespace before properties
// http://eslint.org/docs/rules/no-whitespace-before-property
'no-whitespace-before-property': 2,
// require padding inside curly braces
'object-curly-spacing': [2, 'always'],
// enforce line breaks between braces
// http://eslint.org/docs/rules/object-curly-newline
// TODO: enable once https://github.com/eslint/eslint/issues/6488 is resolved
'object-curly-newline': [0, {
ObjectExpression: { minProperties: 0, multiline: true },
ObjectPattern: { minProperties: 0, multiline: true }
}],
// TODO: Rule not found
// enforce "same line" or "multiple line" on object properties.
// http://eslint.org/docs/rules/object-property-newline
// 'object-property-newline': [2, {
// allowMultiplePropertiesPerLine: true,
// }],
// TODO: Consider re-enabling later
// allow just one var statement per function
// 'one-var': [2, 'never'],
// TODO: Re-evaluate including this once we've cleaned up some of the
// biolerplate around Coffee -> JS conversion that created a *ton* of vars
// require a newline around variable declaration
// http://eslint.org/docs/rules/one-var-declaration-per-line
// 'one-var-declaration-per-line': [2, 'always'],
// require assignment operator shorthand where possible or prohibit it entirely
'operator-assignment': 0,
// enforce operators to be placed before or after line breaks
'operator-linebreak': 0,
// enforce padding within blocks
'padded-blocks': [2, 'never'],
// TODO: Wait on enforcing this until we figure out a way to handle AJAX
// Headers in a sane way. We should use unquoted always unless numbers,
// keywords *or constants* (or things that look like them).
// require quotes around object literal property names
// http://eslint.org/docs/rules/quote-props.html
// 'quote-props': [2, 'as-needed', { keywords: false, unnecessary: true, numbers: false }],
// specify whether double or single quotes should be used
quotes: [2, 'single', { avoidEscape: true }],
// do not require jsdoc
// http://eslint.org/docs/rules/require-jsdoc
'require-jsdoc': 0,
// require or disallow use of semicolons instead of ASI
semi: [2, 'always'],
// enforce spacing before and after semicolons
'semi-spacing': [2, { before: false, after: true }],
// sort variables within the same declaration block
'sort-vars': 0,
// require or disallow space before blocks
'space-before-blocks': 2,
// require or disallow space before function opening parenthesis
// http://eslint.org/docs/rules/space-before-function-paren
'space-before-function-paren': [2, { anonymous: 'always', named: 'never' }],
// require or disallow spaces inside parentheses
'space-in-parens': [2, 'never'],
// require spaces around operators
'space-infix-ops': 2,
// Require or disallow spaces before/after unary operators
'space-unary-ops': 0,
// require or disallow a space immediately following the // or /* in a comment
'spaced-comment': [2, 'always', {
exceptions: ['-', '+'],
markers: ['=', '!'] // space here to support sprockets directives
}],
// require or disallow the Unicode Byte Order Mark
// http://eslint.org/docs/rules/unicode-bom
'unicode-bom': [2, 'never'],
// require regex literals to be wrapped in parentheses
'wrap-regex': 0
},
globals: {
}
};