5.1.0 • Published 3 years ago
@xwtec/eslint-config-legacy v5.1.0
@xwtec/eslint-config-legacy
ESLint Configuration for xwtec es5 projects
Install
# with yarn
yarn add --dev eslint prettier @xwtec/eslint-config-legacy @xwtec/prettier-config
# with npm
npm install --save-dev eslint prettier @xwtec/eslint-config-legacy @xwtec/prettier-config
Configuration
Add following code
module.exports = {
extends: ['@xwtec/legacy'],
};
to .eslintrc.js
in your project.
You may also want config prettier
with @xwtec/prettier-config
.
Usage
npx eslint "**/*.js"
Rules
Error
# | Type | Rule | Description |
---|---|---|---|
1 | error | no-caller | disallow the use of arguments.caller or arguments.callee |
2 | error | no-delete-var | disallow deleting variables |
3 | error | no-dupe-args | disallow duplicate arguments in function definitions |
4 | error | no-dupe-else-if | disallow duplicate conditions in if-else-if chains |
5 | error | no-dupe-keys | disallow duplicate keys in object literals |
6 | error | no-empty-pattern | disallow empty destructuring patterns |
7 | error | no-eval | disallow the use of eval() |
8 | error | no-func-assign | disallow reassigning function declarations |
9 | error | no-implied-eval | disallow the use of eval() -like methods |
10 | error | no-import-assign | disallow assigning to imported bindings |
11 | error | no-irregular-whitespace | disallow irregular whitespace |
12 | error | no-obj-calls | disallow calling global object properties as functions |
13 | error | no-redeclare | disallow variable redeclaration |
14 | error | no-self-compare | disallow comparisons where both sides are exactly the same |
15 | error | no-sequences | disallow comma operators |
16 | error | no-setter-return | disallow returning values from setters |
17 | error | no-undef | disallow the use of undeclared variables unless mentioned in /*global */ comments |
18 | error | radix | enforce the consistent use of the radix argument when using parseInt() |
19 | error | use-isnan | require calls to isNaN() when checking for NaN |
Warn
# | Type | Rule | Description |
---|---|---|---|
1 | warn | default-case-last | enforce default clauses in switch statements to be last |
2 | warn | for-direction | enforce "for" loop update clause moving the counter in the right direction. |
3 | warn | getter-return | enforce return statements in getters |
4 | warn | no-case-declarations | disallow lexical declarations in case clauses |
5 | warn | no-catch-shadow | disallow catch clause parameters from shadowing variables in the outer scope |
6 | warn | no-compare-neg-zero | disallow comparing against -0 |
7 | warn | no-constant-condition | disallow constant expressions in conditions |
8 | warn | no-duplicate-case | disallow duplicate case labels |
9 | warn | no-empty | disallow empty block statements |
10 | warn | no-empty-character-class | disallow empty character classes in regular expressions |
11 | warn | no-ex-assign | disallow reassigning exceptions in catch clauses |
12 | warn | no-extend-native | disallow extending native types |
13 | warn | no-fallthrough | disallow fallthrough of case statements |
14 | warn | no-global-assign | disallow assignments to native objects or read-only global variables |
15 | warn | no-inner-declarations | disallow variable or function declarations in nested blocks |
16 | warn | no-invalid-regexp | disallow invalid regular expression strings in RegExp constructors |
17 | warn | no-iterator | disallow the use of the __iterator__ property |
18 | warn | no-labels | disallow labeled statements |
19 | warn | no-multi-str | disallow multiline strings |
20 | warn | no-new-wrappers | disallow new operators with the String , Number , and Boolean objects |
21 | warn | no-octal | disallow octal literals |
22 | warn | no-octal-escape | disallow octal escape sequences in string literals |
23 | warn | no-proto | disallow the use of the __proto__ property |
24 | warn | no-restricted-globals | disallow specified global variables |
25 | warn | no-restricted-properties | disallow certain properties on certain objects |
26 | warn | no-self-assign | disallow assignments where both sides are exactly the same |
27 | warn | no-sparse-arrays | disallow sparse arrays |
28 | warn | no-throw-literal | disallow throwing literals as exceptions |
29 | warn | no-unmodified-loop-condition | disallow unmodified loop conditions |
30 | warn | no-unreachable | disallow unreachable code after return , throw , continue , and break statements |
31 | warn | no-unsafe-finally | disallow control flow statements in finally blocks |
32 | warn | no-unsafe-negation | disallow negating the left operand of relational operators |
33 | warn | no-unsafe-optional-chaining | disallow use of optional chaining in contexts where the undefined value is not allowed |
34 | warn | no-unused-vars | disallow unused variables |
35 | warn | no-useless-escape | disallow unnecessary escape characters |
36 | warn | no-void | disallow void operators |
37 | warn | no-with | disallow with statements |
38 | warn | valid-typeof | enforce comparing typeof expressions against valid strings |
Fixable
# | Type | Rule | Description |
---|---|---|---|
1 | warn | comma-style | enforce consistent comma style |
2 | warn | curly | enforce consistent brace style for all control statements |
3 | warn | dot-notation | enforce dot notation whenever possible |
4 | error | eqeqeq | require the use of === and !== |
5 | warn | no-div-regex | disallow division operators explicitly at the beginning of regular expressions |
6 | warn | no-else-return | disallow else blocks after return statements in if statements |
7 | warn | no-extra-bind | disallow unnecessary calls to .bind() |
8 | warn | no-extra-boolean-cast | disallow unnecessary boolean casts |
9 | warn | no-extra-label | disallow unnecessary labels |
10 | warn | no-regex-spaces | disallow multiple spaces in regular expressions |
11 | warn | no-undef-init | disallow initializing variables to undefined |
12 | warn | no-unneeded-ternary | disallow ternary operators when simpler alternatives exist |
13 | warn | no-unused-labels | disallow unused labels |
14 | warn | no-useless-return | disallow redundant return statements |
15 | warn | one-var | enforce variables to be declared either together or separately in functions |
16 | warn | operator-assignment | require or disallow assignment operator shorthand where possible |
17 | warn | spaced-comment | enforce consistent spacing after the // or /* in a comment |
18 | warn | strict | require or disallow strict mode directives |
19 | warn | yoda | require or disallow "Yoda" conditions |
20 | warn | prettier/prettier |
Related
Links
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