gecko-dev/devtools/.eslintrc.js

390 lines
14 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
module.exports = {
plugins: ["react"],
globals: {
exports: true,
isWorker: true,
loader: true,
module: true,
reportError: true,
require: true,
},
overrides: [
{
files: ["client/framework/**"],
rules: {
"no-return-assign": "off",
},
},
{
files: ["client/shared/*.jsm"],
rules: {
camelcase: "off",
},
},
{
files: [
"client/framework/**",
"client/shared/*.jsm",
"client/shared/widgets/*.jsm",
"client/storage/VariablesView.jsm",
],
rules: {
"consistent-return": "off",
},
},
{
files: ["client/framework/**"],
rules: {
"max-nested-callbacks": "off",
},
},
{
files: [
"client/framework/**",
"client/shared/*.jsm",
"client/shared/widgets/*.jsm",
"client/storage/VariablesView.jsm",
"shared/webconsole/test/chrome/*.html",
],
rules: {
"mozilla/no-aArgs": "off",
},
},
{
files: ["client/framework/test/**"],
rules: {
"mozilla/var-only-at-top-level": "off",
},
},
{
files: [
"client/framework/**",
"client/shared/widgets/*.jsm",
"client/storage/VariablesView.jsm",
],
rules: {
"no-shadow": "off",
},
},
{
files: ["client/framework/**"],
rules: {
strict: "off",
},
},
{
// For all head*.js files, turn off no-unused-vars at a global level
files: ["**/head*.js"],
rules: {
"no-unused-vars": ["error", { args: "none", vars: "local" }],
},
},
{
// For all server and shared files, prevent requiring devtools/client
// modules.
files: ["server/**", "shared/**"],
rules: {
"mozilla/reject-some-requires": [
"error",
"^(resource://)?devtools/client",
],
},
},
{
// Cu, Cc etc... are not available in most devtools modules loaded by require.
files: ["**"],
excludedFiles: [
// Enable the rule on JSM, test head files and some specific files.
"**/*.jsm",
"**/test/**/head.js",
"**/test/**/shared-head.js",
"client/debugger/test/mochitest/code_frame-script.js",
"client/responsive.html/browser/content.js",
"client/shared/browser-loader.js",
"server/actors/webconsole/content-process-forward.js",
"server/actors/worker/service-worker-process.js",
"server/startup/content-process.js",
"server/startup/frame.js",
"shared/base-loader.js",
"shared/worker/loader.js",
"startup/aboutdebugging-registration.js",
"startup/aboutdevtools/aboutdevtools-registration.js",
"startup/aboutdevtoolstoolbox-registration.js",
"startup/devtools-startup.js",
],
rules: {
"mozilla/no-define-cc-etc": "off",
},
},
{
// All DevTools files should avoid relative paths.
files: ["**"],
excludedFiles: [
// Debugger modules have a custom bundling logic which relies on relative
// paths.
"client/debugger/**",
// `client/shared/build` contains node helpers to build the debugger and
// not devtools modules.
"client/shared/build/**",
],
rules: {
"mozilla/reject-relative-requires": "error",
},
},
],
rules: {
// These are the rules that have been configured so far to match the
// devtools coding style.
// Rules from the mozilla plugin
"mozilla/balanced-observers": "error",
"mozilla/no-aArgs": "error",
// See bug 1224289.
"mozilla/reject-importGlobalProperties": ["error", "everything"],
"mozilla/var-only-at-top-level": "error",
"mozilla/use-chromeutils-import": ["error", { allowCu: true }],
// 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": ["off", "always"],
"react/prop-types": "error",
"react/sort-comp": [
"error",
{
order: ["static-methods", "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",
// Require camel case names
camelcase: ["error", { properties: "never" }],
// Warn about cyclomatic complexity in functions.
// 20 is ESLint's default, and we want to keep it this way to prevent new highly
// complex functions from being introduced. However, because Mozilla's eslintrc has
// some other value defined, we need to override it here. See bug 1553449 for more
// information on complex DevTools functions that are currently excluded.
complexity: ["error", 20],
// Don't warn for inconsistent naming when capturing this (not so important
// with auto-binding fat arrow functions).
"consistent-this": "off",
// 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",
// 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",
// Only useful in a node environment.
"handle-callback-err": "off",
// 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 }],
// Allow use of bitwise operators.
"no-bitwise": "off",
// 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",
// Allow division operators explicitly at beginning of regular expression.
"no-div-regex": "off",
// 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 adding to native types
"no-extend-native": "error",
// Disallow fallthrough of case statements, except if there is a comment.
"no-fallthrough": "error",
// Allow comments inline after code.
"no-inline-comments": "off",
// Allow mixing regular variable and require declarations (not a node env).
"no-mixed-requires": "off",
// Disallow use of multiline strings (use template strings instead).
"no-multi-str": "error",
// Allow use of new operator with the require function.
"no-new-require": "off",
// 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 multiple spaces in a regular expression literal.
"no-regex-spaces": "off",
// Don't restrict usage of specified node modules (not a node environment).
"no-restricted-modules": "off",
// Prevent using some properties
"no-restricted-properties": [
"error",
{
property: "setupInParent",
message: "avoid child/parent communication with setupInParent",
},
],
// 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",
// 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",
// Allow use of synchronous methods (not a node environment).
"no-sync": "off",
// Allow the use of ternary operators.
"no-ternary": "off",
// Allow dangling underscores in identifiers (for privates).
"no-underscore-dangle": "off",
// Allow use of undefined variable.
"no-undefined": "off",
// Disallow global and local variables that aren't used, but allow unused
// function arguments.
"no-unused-vars": ["error", { args: "none", vars: "all" }],
// Allow using variables before they are defined.
"no-use-before-define": "off",
// 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",
// 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",
// Enforce using `let` only when variables are reassigned.
"prefer-const": ["error", { destructuring: "all" }],
// Require use of the second argument for parseInt().
radix: "error",
// Don't require to sort variables within the same declaration block.
// Anyway, one-var is disabled.
"sort-vars": "off",
// Require "use strict" to be defined globally in the script.
strict: ["error", "global"],
// 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/old/console-output.js
"valid-jsdoc": "off",
// Allow vars to be declared anywhere in the scope.
"vars-on-top": "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",
// 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 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 labels that share a name with a variable
"no-label-var": "off",
// disallow unnecessary nested blocks
"no-lone-blocks": "off",
// disallow creation of functions within loops
"no-loop-func": "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 unnecessary concatenation of literals or template literals
"no-useless-concat": "off",
// disallow use of void operator
"no-void": "off",
// require assignment operator shorthand where possible or prohibit it
// entirely
"operator-assignment": "off",
},
};