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gecko-dev/devtools/.eslintrc.js

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"use strict";
module.exports = {
"plugins": [
"react"
],
"globals": {
"atob": true,
"btoa": true,
"Components": true,
"CSSRule": true,
"clearInterval": true,
"clearTimeout": true,
"console": true,
"CSS": true,
"DocumentFragment": true,
"DOMParser": true,
"dump": true,
"Element": true,
"exports": true,
"isWorker": true,
"indexedDB": true,
"loader": true,
"module": true,
"Node": true,
"reportError": true,
"require": true,
"setInterval": true,
"setTimeout": true,
"uneval": true,
"URL": true,
"WebSocket": true,
"XMLHttpRequest": true
},
"rules": {
// These are the rules that have been configured so far to match the
// devtools coding style.
// Rules from the mozilla plugin
"mozilla/no-aArgs": "warn",
"mozilla/no-cpows-in-tests": "error",
"mozilla/no-single-arg-cu-import": "error",
// See bug 1224289.
"mozilla/reject-importGlobalProperties": "error",
// devtools/shared/platform is special; see the README.md in that
// directory for details. We reject requires using explicit
// subdirectories of this directory.
"mozilla/reject-some-requires": ["error", "^devtools/shared/platform/(chome|content)/"],
"mozilla/var-only-at-top-level": "warn",
// Rules from the React plugin
"react/display-name": "error",
"react/no-danger": "error",
"react/no-did-mount-set-state": "error",
"react/no-did-update-set-state": "error",
"react/no-direct-mutation-state": "error",
"react/no-unknown-property": "error",
"react/prefer-es6-class": ["warn", "never"],
"react/prop-types": "error",
"react/sort-comp": ["error", {
order: [
"lifecycle",
"everything-else",
"render"
],
groups: {
lifecycle: [
"displayName",
"propTypes",
"contextTypes",
"childContextTypes",
"mixins",
"statics",
"defaultProps",
"constructor",
"getDefaultProps",
"getInitialState",
"state",
"getChildContext",
"componentWillMount",
"componentDidMount",
"componentWillReceiveProps",
"shouldComponentUpdate",
"componentWillUpdate",
"componentDidUpdate",
"componentWillUnmount"
]
}
}],
// Disallow using variables outside the blocks they are defined (especially
// since only let and const are used, see "no-var").
"block-scoped-var": "error",
// Enforce one true brace style (opening brace on the same line) and avoid
// start and end braces on the same line.
"brace-style": ["error", "1tbs", {"allowSingleLine": false}],
// Require camel case names
"camelcase": "error",
// Allow trailing commas for easy list extension. Having them does not
// impair readability, but also not required either.
"comma-dangle": "off",
// Enforce spacing before and after comma
"comma-spacing": ["error", {"before": false, "after": true}],
// Enforce one true comma style.
"comma-style": ["error", "last"],
// Warn about cyclomatic complexity in functions.
"complexity": ["error", 35],
// Require return statements to either always or never specify values.
"consistent-return": "error",
// Don't warn for inconsistent naming when capturing this (not so important
// with auto-binding fat arrow functions).
"consistent-this": "off",
// Enforce curly brace conventions for all control statements.
"curly": "error",
// Don't require a default case in switch statements. Avoid being forced to
// add a bogus default when you know all possible cases are handled.
"default-case": "off",
// Enforce dots on the next line with property name.
"dot-location": ["error", "property"],
// Encourage the use of dot notation whenever possible.
"dot-notation": "error",
// Enforce newline at the end of file, with no multiple empty lines.
"eol-last": "error",
// Allow using == instead of ===, in the interest of landing something since
// the devtools codebase is split on convention here.
"eqeqeq": "off",
// Don't require function expressions to have a name.
// This makes the code more verbose and hard to read. Our engine already
// does a fantastic job assigning a name to the function, which includes
// the enclosing function name, and worst case you have a line number that
// you can just look up.
"func-names": "off",
// Allow use of function declarations and expressions.
"func-style": "off",
// Deprecated, will be removed in 1.0.
"generator-star": "off",
// Enforce the spacing around the * in generator functions.
"generator-star-spacing": ["error", "after"],
// Deprecated, will be removed in 1.0.
"global-strict": "off",
// Only useful in a node environment.
"handle-callback-err": "off",
// Tab width.
"indent": ["error", 2, {"SwitchCase": 1, "ArrayExpression": "first", "ObjectExpression": "first"}],
// Enforces spacing between keys and values in object literal properties.
"key-spacing": ["error", {"beforeColon": false, "afterColon": true}],
// Enforces unix style line breaks.
"linebreak-style": ["error", "unix"],
// Don't enforce the maximum depth that blocks can be nested. The complexity
// rule is a better rule to check this.
"max-depth": "off",
// Maximum length of a line.
"max-len": ["error", 90, 2, {
"ignoreUrls": true,
"ignorePattern": "data:image\/|\\s*require\\s*\\(|^\\s*loader\\.lazy|-\\*-"
}],
// Maximum depth callbacks can be nested.
"max-nested-callbacks": ["error", 3],
// Don't limit the number of parameters that can be used in a function.
"max-params": "off",
// Don't limit the maximum number of statement allowed in a function. We
// already have the complexity rule that's a better measurement.
"max-statements": "off",
// Require a capital letter for constructors, only check if all new
// operators are followed by a capital letter. Don't warn when capitalized
// functions are used without the new operator.
"new-cap": ["error", {"capIsNew": false}],
// Disallow the omission of parentheses when invoking a constructor with no
// arguments.
"new-parens": "error",
// Disallow use of the Array constructor.
"no-array-constructor": "error",
// Allow use of bitwise operators.
"no-bitwise": "off",
// Disallow use of arguments.caller or arguments.callee.
"no-caller": "error",
// Disallow the catch clause parameter name being the same as a variable in
// the outer scope, to avoid confusion.
"no-catch-shadow": "error",
// Deprecated, will be removed in 1.0.
"no-comma-dangle": "off",
// Disallow assignment in conditional expressions.
"no-cond-assign": "error",
// Allow using the console API.
"no-console": "off",
// Allow using constant expressions in conditions like while (true)
"no-constant-condition": "off",
// Allow use of the continue statement.
"no-continue": "off",
// Disallow control characters in regular expressions.
"no-control-regex": "error",
// Disallow use of debugger.
"no-debugger": "error",
// Disallow deletion of variables (deleting properties is fine).
"no-delete-var": "error",
// Allow division operators explicitly at beginning of regular expression.
"no-div-regex": "off",
// Disallow duplicate arguments in functions.
"no-dupe-args": "error",
// Disallow duplicate keys when creating object literals.
"no-dupe-keys": "error",
// Disallow a duplicate case label.
"no-duplicate-case": "error",
// Disallow else after a return in an if. The else around the second return
// here is useless:
// if (something) { return false; } else { return true; }
"no-else-return": "error",
// Disallow empty statements. This will report an error for:
// try { something(); } catch (e) {}
// but will not report it for:
// try { something(); } catch (e) { /* Silencing the error because ...*/ }
// which is a valid use case.
"no-empty": "error",
// Disallow the use of empty character classes in regular expressions.
"no-empty-character-class": "error",
// Disallow use of eval(). We have other APIs to evaluate code in content.
"no-eval": "error",
// Disallow assigning to the exception in a catch block.
"no-ex-assign": "error",
// Disallow adding to native types
"no-extend-native": "error",
// Disallow unnecessary function binding.
"no-extra-bind": "error",
// Disallow double-negation boolean casts in a boolean context.
"no-extra-boolean-cast": "error",
// Allow unnecessary parentheses, as they may make the code more readable.
"no-extra-parens": "off",
// Disallow unnecessary semicolons.
"no-extra-semi": "error",
// Deprecated, will be removed in 1.0.
"no-extra-strict": "off",
// Disallow fallthrough of case statements, except if there is a comment.
"no-fallthrough": "error",
// Allow the use of leading or trailing decimal points in numeric literals.
"no-floating-decimal": "off",
// Disallow comments inline after code.
"no-inline-comments": "error",
// Disallow if as the only statement in an else block.
"no-lonely-if": "error",
// Allow mixing regular variable and require declarations (not a node env).
"no-mixed-requires": "off",
// Disallow mixed spaces and tabs for indentation.
"no-mixed-spaces-and-tabs": "error",
// Disallow use of multiple spaces (sometimes used to align const values,
// array or object items, etc.). It's hard to maintain and doesn't add that
// much benefit.
"no-multi-spaces": "error",
// Disallow use of multiline strings (use template strings instead).
"no-multi-str": "error",
// Disallow multiple empty lines.
"no-multiple-empty-lines": ["error", {"max": 1}],
// Disallow reassignments of native objects.
"no-native-reassign": "error",
// Disallow nested ternary expressions, they make the code hard to read.
"no-nested-ternary": "error",
// Allow use of new operator with the require function.
"no-new-require": "off",
// Disallow use of octal literals.
"no-octal": "error",
// Allow reassignment of function parameters.
"no-param-reassign": "off",
// Allow string concatenation with __dirname and __filename (not a node env).
"no-path-concat": "off",
// Allow use of unary operators, ++ and --.
"no-plusplus": "off",
// Allow using process.env (not a node environment).
"no-process-env": "off",
// Allow using process.exit (not a node environment).
"no-process-exit": "off",
// Disallow usage of __proto__ property.
"no-proto": "error",
// Disallow declaring the same variable more than once (we use let anyway).
"no-redeclare": "error",
// Disallow multiple spaces in a regular expression literal.
"no-regex-spaces": "off",
// Allow reserved words being used as object literal keys.
"no-reserved-keys": "off",
// Don't restrict usage of specified node modules (not a node environment).
"no-restricted-modules": "off",
// Disallow use of assignment in return statement. It is preferable for a
// single line of code to have only one easily predictable effect.
"no-return-assign": "error",
// Allow use of javascript: urls.
"no-script-url": "off",
// Disallow assignments like foo = foo
"no-self-assign": "error",
// Disallow comparisons where both sides are exactly the same.
"no-self-compare": "error",
// Disallow use of comma operator.
"no-sequences": "error",
// Warn about declaration of variables already declared in the outer scope.
// This isn't an error because it sometimes is useful to use the same name
// in a small helper function rather than having to come up with another
// random name.
// Still, making this a warning can help people avoid being confused.
"no-shadow": "error",
// Disallow shadowing of names such as arguments.
"no-shadow-restricted-names": "error",
// Deprecated, will be removed in 1.0.
"no-space-before-semi": "off",
// Disallow space between function identifier and application.
"no-spaced-func": "error",
// Disallow sparse arrays, eg. let arr = [,,2].
// Array destructuring is fine though:
// for (let [, breakpointPromise] of aPromises)
"no-sparse-arrays": "error",
// Allow use of synchronous methods (not a node environment).
"no-sync": "off",
// Allow the use of ternary operators.
"no-ternary": "off",
// Disallow throwing literals (eg. throw "error" instead of
// throw new Error("error")).
"no-throw-literal": "error",
// Disallow trailing whitespace at the end of lines.
"no-trailing-spaces": "error",
// Disallow use of undeclared variables unless mentioned in a /*global */
// block. Note that globals from head.js are automatically imported in tests
// by the import-headjs-globals rule form the mozilla eslint plugin.
"no-undef": "error",
// Allow dangling underscores in identifiers (for privates).
"no-underscore-dangle": "off",
// Allow use of undefined variable.
"no-undefined": "off",
// Disallow the use of Boolean literals in conditional expressions.
"no-unneeded-ternary": "error",
// Disallow unreachable statements after a return, throw, continue, or break
// statement.
"no-unreachable": "error",
// Disallow global and local variables that aren't used, but allow unused
// function arguments.
"no-unused-vars": ["error", {"vars": "all", "args": "none"}],
// Disallow flow control that escapes from "finally".
"no-unsafe-finally": "error",
// Allow using variables before they are defined.
"no-use-before-define": "off",
// Disallow useless Function.prototype.{call/apply}
"no-useless-call": "error",
// Disallow useless return;
"no-useless-return": "error",
// We use var-only-at-top-level instead of no-var as we allow top level
// vars.
"no-var": "off",
// Allow using TODO/FIXME comments.
"no-warning-comments": "off",
// Disallow use of the with statement.
"no-with": "error",
// Don't require method and property shorthand syntax for object literals.
// We use this in the code a lot, but not consistently, and this seems more
// like something to check at code review time.
"object-shorthand": "off",
// Allow more than one variable declaration per function.
"one-var": "off",
// Disallow padding within blocks.
"padded-blocks": ["error", "never"],
// Don't require quotes around object literal property names.
"quote-props": "off",
// Double quotes should be used. Other quote characters can be used around strings
// with embedded double quotes to avoid escaping them. Template literals are allowed
// mainly for building multi-line messages where only some lines use substitution.
"quotes": ["error", "double", {"avoidEscape": true, "allowTemplateLiterals": true}],
// Require use of the second argument for parseInt().
"radix": "error",
// Always require use of semicolons wherever they are valid.
"semi": ["error", "always"],
// Enforce spacing after semicolons.
"semi-spacing": ["error", {"before": false, "after": true}],
// Don't require to sort variables within the same declaration block.
// Anyway, one-var is disabled.
"sort-vars": "off",
// Deprecated, will be removed in 1.0.
"space-after-function-name": "off",
// Require a space around all keywords.
"keyword-spacing": "error",
// Require a space before the start brace of a block.
"space-before-blocks": ["error", "always"],
// Deprecated, will be removed in 1.0.
"space-before-function-parentheses": "off",
// Require space after keyword for anonymous functions, but disallow space
// after name of named functions.
"space-before-function-paren": ["error", {"anonymous": "always", "named": "never"}],
// Disable the rule that checks if spaces inside {} and [] are there or not.
// Our code is split on conventions, and it'd be nice to have "error" rules
// instead, one for [] and one for {}. So, disabling until we write them.
"space-in-brackets": "off",
// Disallow spaces inside parentheses.
"space-in-parens": ["error", "never"],
// Require spaces around operators, except for a|"off".
"space-infix-ops": ["error", {"int32Hint": true}],
// Require spaces before/after unary operators (words on by default,
// nonwords off by default).
"space-unary-ops": ["error", { "words": true, "nonwords": false }],
// Deprecated, will be removed in 1.0.
"space-unary-word-ops": "off",
// Require a space immediately following the // in a line comment.
"spaced-comment": ["error", "always"],
// Require "use strict" to be defined globally in the script.
"strict": ["error", "global"],
// Disallow comparisons with the value NaN.
"use-isnan": "error",
// Warn about invalid JSDoc comments.
// Disabled for now because of https://github.com/eslint/eslint/issues/2270
// The rule fails on some jsdoc comments like in:
// devtools/client/webconsole/console-output.js
"valid-jsdoc": "off",
// Ensure that the results of typeof are compared against a valid string.
"valid-typeof": "error",
// Allow vars to be declared anywhere in the scope.
"vars-on-top": "off",
// Don't require immediate function invocation to be wrapped in parentheses.
"wrap-iife": "off",
// Don't require regex literals to be wrapped in parentheses (which
// supposedly prevent them from being mistaken for division operators).
"wrap-regex": "off",
// Disallow Yoda conditions (where literal value comes first).
"yoda": "error",
// And these are the rules that haven't been discussed so far, and that are
// disabled for now until we introduce them, one at a time.
// Require for-in loops to have an if statement.
"guard-for-in": "off",
// allow/disallow an empty newline after var statement
"newline-after-var": "off",
// disallow the use of alert, confirm, and prompt
"no-alert": "off",
// disallow comparisons to null without a type-checking operator
"no-eq-null": "off",
// disallow overwriting functions written as function declarations
"no-func-assign": "off",
// disallow use of eval()-like methods
"no-implied-eval": "off",
// disallow function or variable declarations in nested blocks
"no-inner-declarations": "off",
// disallow invalid regular expression strings in the RegExp constructor
"no-invalid-regexp": "off",
// disallow irregular whitespace outside of strings and comments
"no-irregular-whitespace": "off",
// disallow usage of __iterator__ property
"no-iterator": "off",
// disallow labels that share a name with a variable
"no-label-var": "off",
// disallow use of labeled statements
"no-labels": "error",
// disallow unnecessary nested blocks
"no-lone-blocks": "off",
// disallow creation of functions within loops
"no-loop-func": "off",
// disallow negation of the left operand of an in expression
"no-negated-in-lhs": "off",
// disallow use of new operator when not part of the assignment or
// comparison
"no-new": "off",
// disallow use of new operator for Function object
"no-new-func": "off",
// disallow use of the Object constructor
"no-new-object": "off",
// disallows creating new instances of String,Number, and Boolean
"no-new-wrappers": "off",
// disallow the use of object properties of the global object (Math and
// JSON) as functions
"no-obj-calls": "off",
// disallow use of octal escape sequences in string literals, such as
// var foo = "Copyright \251";
"no-octal-escape": "off",
// disallow use of undefined when initializing variables
"no-undef-init": "off",
// disallow usage of expressions in statement position
"no-unused-expressions": "off",
// disallow use of void operator
"no-void": "off",
// disallow wrapping of non-IIFE statements in parens
"no-wrap-func": "off",
// require assignment operator shorthand where possible or prohibit it
// entirely
"operator-assignment": "off",
// enforce operators to be placed before or after line breaks
"operator-linebreak": "off",
}
};
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