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Date
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utils
[ DIR ]
drwxr-xr-x
2024-07-10 10:55
accessor-pairs.js
12.41
KB
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2019-09-14 01:35
array-bracket-newline.js
9.43
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2019-09-14 01:35
array-bracket-spacing.js
8.85
KB
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2019-09-14 01:35
array-callback-return.js
7.98
KB
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2019-09-14 01:35
array-element-newline.js
9.22
KB
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2023-12-15 20:21
arrow-body-style.js
10.27
KB
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2019-09-14 01:35
arrow-parens.js
6.38
KB
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2019-09-14 01:35
arrow-spacing.js
5.08
KB
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2019-09-14 01:35
block-scoped-var.js
3.58
KB
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2019-09-14 01:35
block-spacing.js
4.99
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2019-09-14 01:35
brace-style.js
7.71
KB
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2019-09-14 01:35
callback-return.js
6.33
KB
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2019-09-14 01:35
camelcase.js
8.29
KB
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2019-09-14 01:35
capitalized-comments.js
10.68
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2023-12-15 20:21
class-methods-use-this.js
3.81
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2019-09-14 01:35
comma-dangle.js
11.75
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2019-09-14 01:35
comma-spacing.js
6.53
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2019-09-14 01:35
comma-style.js
11.78
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2019-09-14 01:35
complexity.js
4.94
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2019-09-14 01:35
computed-property-spacing.js
7.17
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2019-09-14 01:35
consistent-return.js
6.59
KB
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2019-09-14 01:35
consistent-this.js
4.86
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2019-09-14 01:35
constructor-super.js
13.49
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2019-09-14 01:35
curly.js
16.24
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2019-09-14 01:35
default-case.js
2.76
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2019-09-14 01:35
default-param-last.js
1.5
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2019-09-14 01:35
dot-location.js
3.34
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2019-09-14 01:35
dot-notation.js
6.47
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2019-09-14 01:35
eol-last.js
3.79
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2019-09-14 01:35
eqeqeq.js
5.55
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2023-12-15 20:21
for-direction.js
4.27
KB
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2019-09-14 01:35
func-call-spacing.js
7.29
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2019-09-14 01:35
func-name-matching.js
9.84
KB
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2023-12-15 20:21
func-names.js
6.09
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2023-12-15 20:21
func-style.js
2.84
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2019-09-14 01:35
function-call-argument-newline.js
4.13
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2019-09-14 01:35
function-paren-newline.js
11.15
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2019-09-14 01:35
generator-star-spacing.js
6.98
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2019-09-14 01:35
getter-return.js
6.02
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2019-09-14 01:35
global-require.js
2.3
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2019-09-14 01:35
guard-for-in.js
2.3
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2019-09-14 01:35
handle-callback-err.js
2.92
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2019-09-14 01:35
id-blacklist.js
4.05
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2019-09-14 01:35
id-length.js
4.12
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2019-09-14 01:35
id-match.js
8.14
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2019-09-14 01:35
implicit-arrow-linebreak.js
2.79
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2019-09-14 01:35
indent-legacy.js
44.45
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2019-09-14 01:35
indent.js
68.68
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2019-09-14 01:35
index.js
16.34
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2019-09-14 01:35
init-declarations.js
4.37
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2019-09-14 01:35
jsx-quotes.js
2.89
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2019-09-14 01:35
key-spacing.js
24.82
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2019-09-14 01:35
keyword-spacing.js
21.2
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2019-09-14 01:35
line-comment-position.js
4.08
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2019-09-14 01:35
linebreak-style.js
3.17
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2019-09-14 01:35
lines-around-comment.js
15.54
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2019-09-14 01:35
lines-around-directive.js
7.58
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2019-09-14 01:35
lines-between-class-members.js
5.05
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2019-09-14 01:35
max-classes-per-file.js
1.73
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2019-09-14 01:35
max-depth.js
4.59
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2019-09-14 01:35
max-len.js
13.8
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2019-09-14 01:35
max-lines-per-function.js
6.89
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2019-09-14 01:35
max-lines.js
4.59
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2019-09-14 01:35
max-nested-callbacks.js
3.47
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2019-09-14 01:35
max-params.js
3.07
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2019-09-14 01:35
max-statements-per-line.js
7.31
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2019-09-14 01:35
max-statements.js
5.4
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2019-09-14 01:35
multiline-comment-style.js
14.42
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2019-09-14 01:35
multiline-ternary.js
3.42
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2019-09-14 01:35
new-cap.js
9.44
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2019-09-14 01:35
new-parens.js
3.14
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2019-09-14 01:35
newline-after-var.js
9.6
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2019-09-14 01:35
newline-before-return.js
7.89
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2019-09-14 01:35
newline-per-chained-call.js
3.56
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2019-09-14 01:35
no-alert.js
3.96
KB
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2019-09-14 01:35
no-array-constructor.js
1.36
KB
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2019-09-14 01:35
no-async-promise-executor.js
1.1
KB
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2019-09-14 01:35
no-await-in-loop.js
2.72
KB
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2019-09-14 01:35
no-bitwise.js
3.51
KB
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2019-09-14 01:35
no-buffer-constructor.js
1.31
KB
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2019-09-14 01:35
no-caller.js
1.17
KB
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2019-09-14 01:35
no-case-declarations.js
1.82
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2019-09-14 01:35
no-catch-shadow.js
2.44
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2019-09-14 01:35
no-class-assign.js
1.67
KB
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2019-09-14 01:35
no-compare-neg-zero.js
1.9
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2019-09-14 01:35
no-cond-assign.js
5.04
KB
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2019-09-14 01:35
no-confusing-arrow.js
2.55
KB
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2019-09-14 01:35
no-console.js
4.21
KB
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2019-09-14 01:35
no-const-assign.js
1.46
KB
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2019-09-14 01:35
no-constant-condition.js
8.48
KB
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2019-09-14 01:35
no-continue.js
875
B
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2019-09-14 01:35
no-control-regex.js
3.14
KB
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2019-09-14 01:35
no-debugger.js
947
B
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2019-09-14 01:35
no-delete-var.js
965
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2019-09-14 01:35
no-div-regex.js
1.42
KB
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2019-09-14 01:35
no-dupe-args.js
2.3
KB
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2019-09-14 01:35
no-dupe-class-members.js
3.58
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2019-09-14 01:35
no-dupe-keys.js
3.87
KB
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2019-09-14 01:35
no-duplicate-case.js
1.36
KB
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2019-09-14 01:35
no-duplicate-imports.js
4.43
KB
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2019-09-14 01:35
no-else-return.js
15.74
KB
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2019-09-14 01:35
no-empty-character-class.js
1.91
KB
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2019-09-14 01:35
no-empty-function.js
4.61
KB
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2019-09-14 01:35
no-empty-pattern.js
1.15
KB
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2019-09-14 01:35
no-empty.js
2.44
KB
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2019-09-14 01:35
no-eq-null.js
1.21
KB
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2019-09-14 01:35
no-eval.js
9.31
KB
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2019-09-14 01:35
no-ex-assign.js
1.37
KB
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2019-09-14 01:35
no-extend-native.js
6.95
KB
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2019-09-14 01:35
no-extra-bind.js
5.71
KB
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2019-09-14 01:35
no-extra-boolean-cast.js
6.52
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2019-09-14 01:35
no-extra-label.js
4.76
KB
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2019-09-14 01:35
no-extra-parens.js
39.11
KB
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2019-09-14 01:35
no-extra-semi.js
4.11
KB
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2019-09-14 01:35
no-fallthrough.js
4.78
KB
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2019-09-14 01:35
no-floating-decimal.js
2.33
KB
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2019-09-14 01:35
no-func-assign.js
1.96
KB
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2019-09-14 01:35
no-global-assign.js
2.76
KB
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2019-09-14 01:35
no-implicit-coercion.js
10.06
KB
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2019-09-14 01:35
no-implicit-globals.js
1.78
KB
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2019-09-14 01:35
no-implied-eval.js
5.99
KB
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2019-09-14 01:35
no-import-assign.js
6.92
KB
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2019-09-14 01:35
no-inline-comments.js
2.19
KB
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2019-09-14 01:35
no-inner-declarations.js
2.59
KB
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2019-09-14 01:35
no-invalid-regexp.js
4.01
KB
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2019-09-14 01:35
no-invalid-this.js
3.74
KB
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2019-09-14 01:35
no-irregular-whitespace.js
8.72
KB
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2019-09-14 01:35
no-iterator.js
1.08
KB
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2019-09-14 01:35
no-label-var.js
2.13
KB
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2019-09-14 01:35
no-labels.js
4.22
KB
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2019-09-14 01:35
no-lone-blocks.js
3.68
KB
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2019-09-14 01:35
no-lonely-if.js
3.62
KB
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2019-09-14 01:35
no-loop-func.js
6.16
KB
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2019-09-14 01:35
no-magic-numbers.js
5.8
KB
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2019-09-14 01:35
no-misleading-character-class.js
6.05
KB
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2019-09-14 01:35
no-mixed-operators.js
8.21
KB
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2019-09-14 01:35
no-mixed-requires.js
6.91
KB
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2019-09-14 01:35
no-mixed-spaces-and-tabs.js
4.54
KB
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2019-09-14 01:35
no-multi-assign.js
1.18
KB
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2019-09-14 01:35
no-multi-spaces.js
4.85
KB
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2019-09-14 01:35
no-multi-str.js
1.64
KB
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2019-09-14 01:35
no-multiple-empty-lines.js
5.75
KB
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2019-09-14 01:35
no-native-reassign.js
2.86
KB
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2019-09-14 01:35
no-negated-condition.js
2.68
KB
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2019-09-14 01:35
no-negated-in-lhs.js
1.08
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2019-09-14 01:35
no-nested-ternary.js
986
B
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2019-09-14 01:35
no-new-func.js
1.24
KB
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2019-09-14 01:35
no-new-object.js
923
B
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2019-09-14 01:35
no-new-require.js
960
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2019-09-14 01:35
no-new-symbol.js
1.27
KB
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2019-09-14 01:35
no-new-wrappers.js
1.05
KB
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2019-09-14 01:35
no-new.js
913
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2019-09-14 01:35
no-obj-calls.js
1.84
KB
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2019-09-14 01:35
no-octal-escape.js
1.42
KB
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2019-09-14 01:35
no-octal.js
886
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2019-09-14 01:35
no-param-reassign.js
6.8
KB
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2019-09-14 01:35
no-path-concat.js
1.44
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2019-09-14 01:35
no-plusplus.js
1.66
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2019-09-14 01:35
no-process-env.js
1.01
KB
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2019-09-14 01:35
no-process-exit.js
1.08
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2019-09-14 01:35
no-proto.js
1.07
KB
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2019-09-14 01:35
no-prototype-builtins.js
1.63
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2019-09-14 01:35
no-redeclare.js
5.6
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2019-09-14 01:35
no-regex-spaces.js
3.73
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2019-09-14 01:35
no-restricted-globals.js
3.76
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2019-09-14 01:35
no-restricted-imports.js
11.43
KB
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2023-12-15 20:21
no-restricted-modules.js
5.9
KB
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2023-12-15 20:21
no-restricted-properties.js
6.46
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2019-09-14 01:35
no-restricted-syntax.js
1.97
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2019-09-14 01:35
no-return-assign.js
2.49
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2019-09-14 01:35
no-return-await.js
3.73
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2019-09-14 01:35
no-script-url.js
1.05
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2019-09-14 01:35
no-self-assign.js
6.79
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2019-09-14 01:35
no-self-compare.js
1.72
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2019-09-14 01:35
no-sequences.js
3.94
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2019-09-14 01:35
no-shadow-restricted-names.js
2
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2019-09-14 01:35
no-shadow.js
6.81
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2019-09-14 01:35
no-spaced-func.js
2.34
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2019-09-14 01:35
no-sparse-arrays.js
1.07
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2019-09-14 01:35
no-sync.js
1.52
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2019-09-14 01:35
no-tabs.js
2.01
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2019-09-14 01:35
no-template-curly-in-string.js
1.04
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2019-09-14 01:35
no-ternary.js
793
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2019-09-14 01:35
no-this-before-super.js
9.95
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2019-09-14 01:35
no-throw-literal.js
1.26
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2019-09-14 01:35
no-trailing-spaces.js
6.13
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2019-09-14 01:35
no-undef-init.js
2.01
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2019-09-14 01:35
no-undef.js
2.24
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2019-09-14 01:35
no-undefined.js
2.07
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2019-09-14 01:35
no-underscore-dangle.js
7.44
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2019-09-14 01:35
no-unexpected-multiline.js
3.59
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2019-09-14 01:35
no-unmodified-loop-condition.js
11.65
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2019-09-14 01:35
no-unneeded-ternary.js
6.58
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2019-09-14 01:35
no-unreachable.js
6.29
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2019-09-14 01:35
no-unsafe-finally.js
3.87
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2019-09-14 01:35
no-unsafe-negation.js
2.36
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2019-09-14 01:35
no-unused-expressions.js
4.7
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2019-09-14 01:35
no-unused-labels.js
3.22
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2019-09-14 01:35
no-unused-vars.js
23.08
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2019-09-14 01:35
no-use-before-define.js
7.45
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2019-09-14 01:35
no-useless-call.js
2.78
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2019-09-14 01:35
no-useless-catch.js
1.55
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2019-09-14 01:35
no-useless-computed-key.js
3.19
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2019-09-14 01:35
no-useless-concat.js
3.16
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2019-09-14 01:35
no-useless-constructor.js
5.46
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2019-09-14 01:35
no-useless-escape.js
8.98
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2019-09-14 01:35
no-useless-rename.js
5.08
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2019-09-14 01:35
no-useless-return.js
11.77
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2019-09-14 01:35
no-var.js
12.13
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2019-09-14 01:35
no-void.js
1.03
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2019-09-14 01:35
no-warning-comments.js
5.4
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2019-09-14 01:35
no-whitespace-before-property.js
3.33
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2019-09-14 01:35
no-with.js
784
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2019-09-14 01:35
nonblock-statement-body-position.js
4.41
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2023-12-15 20:21
object-curly-newline.js
10.69
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2019-09-14 01:35
object-curly-spacing.js
11.27
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2019-09-14 01:35
object-property-newline.js
3.59
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2019-09-14 01:35
object-shorthand.js
20.66
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2019-09-14 01:35
one-var-declaration-per-line.js
2.74
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2019-09-14 01:35
one-var.js
21
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2019-09-14 01:35
operator-assignment.js
7.73
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Save
Rename
/** * @fileoverview enforce a particular style for multiline comments * @author Teddy Katz */ "use strict"; const astUtils = require("./utils/ast-utils"); //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ module.exports = { meta: { type: "suggestion", docs: { description: "enforce a particular style for multiline comments", category: "Stylistic Issues", recommended: false, url: "https://eslint.org/docs/rules/multiline-comment-style" }, fixable: "whitespace", schema: [{ enum: ["starred-block", "separate-lines", "bare-block"] }], messages: { expectedBlock: "Expected a block comment instead of consecutive line comments.", expectedBareBlock: "Expected a block comment without padding stars.", startNewline: "Expected a linebreak after '/*'.", endNewline: "Expected a linebreak before '*/'.", missingStar: "Expected a '*' at the start of this line.", alignment: "Expected this line to be aligned with the start of the comment.", expectedLines: "Expected multiple line comments instead of a block comment." } }, create(context) { const sourceCode = context.getSourceCode(); const option = context.options[0] || "starred-block"; //---------------------------------------------------------------------- // Helpers //---------------------------------------------------------------------- /** * Gets a list of comment lines in a group * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment * @returns {string[]} A list of comment lines */ function getCommentLines(commentGroup) { if (commentGroup[0].type === "Line") { return commentGroup.map(comment => comment.value); } return commentGroup[0].value .split(astUtils.LINEBREAK_MATCHER) .map(line => line.replace(/^\s*\*?/u, "")); } /** * Converts a comment into starred-block form * @param {Token} firstComment The first comment of the group being converted * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment * @returns {string} A representation of the comment value in starred-block form, excluding start and end markers */ function convertToStarredBlock(firstComment, commentLinesList) { const initialOffset = sourceCode.text.slice(firstComment.range[0] - firstComment.loc.start.column, firstComment.range[0]); const starredLines = commentLinesList.map(line => `${initialOffset} *${line}`); return `\n${starredLines.join("\n")}\n${initialOffset} `; } /** * Converts a comment into separate-line form * @param {Token} firstComment The first comment of the group being converted * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment * @returns {string} A representation of the comment value in separate-line form */ function convertToSeparateLines(firstComment, commentLinesList) { const initialOffset = sourceCode.text.slice(firstComment.range[0] - firstComment.loc.start.column, firstComment.range[0]); const separateLines = commentLinesList.map(line => `// ${line.trim()}`); return separateLines.join(`\n${initialOffset}`); } /** * Converts a comment into bare-block form * @param {Token} firstComment The first comment of the group being converted * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment * @returns {string} A representation of the comment value in bare-block form */ function convertToBlock(firstComment, commentLinesList) { const initialOffset = sourceCode.text.slice(firstComment.range[0] - firstComment.loc.start.column, firstComment.range[0]); const blockLines = commentLinesList.map(line => line.trim()); return `/* ${blockLines.join(`\n${initialOffset} `)} */`; } /** * Check a comment is JSDoc form * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment * @returns {boolean} if commentGroup is JSDoc form, return true */ function isJSDoc(commentGroup) { const lines = commentGroup[0].value.split(astUtils.LINEBREAK_MATCHER); return commentGroup[0].type === "Block" && /^\*\s*$/u.test(lines[0]) && lines.slice(1, -1).every(line => /^\s* /u.test(line)) && /^\s*$/u.test(lines[lines.length - 1]); } /** * Each method checks a group of comments to see if it's valid according to the given option. * @param {Token[]} commentGroup A list of comments that appear together. This will either contain a single * block comment or multiple line comments. * @returns {void} */ const commentGroupCheckers = { "starred-block"(commentGroup) { const commentLines = getCommentLines(commentGroup); if (commentLines.some(value => value.includes("*/"))) { return; } if (commentGroup.length > 1) { context.report({ loc: { start: commentGroup[0].loc.start, end: commentGroup[commentGroup.length - 1].loc.end }, messageId: "expectedBlock", fix(fixer) { const range = [commentGroup[0].range[0], commentGroup[commentGroup.length - 1].range[1]]; const starredBlock = `/*${convertToStarredBlock(commentGroup[0], commentLines)}*/`; return commentLines.some(value => value.startsWith("/")) ? null : fixer.replaceTextRange(range, starredBlock); } }); } else { const block = commentGroup[0]; const lines = block.value.split(astUtils.LINEBREAK_MATCHER); const expectedLinePrefix = `${sourceCode.text.slice(block.range[0] - block.loc.start.column, block.range[0])} *`; if (!/^\*?\s*$/u.test(lines[0])) { const start = block.value.startsWith("*") ? block.range[0] + 1 : block.range[0]; context.report({ loc: { start: block.loc.start, end: { line: block.loc.start.line, column: block.loc.start.column + 2 } }, messageId: "startNewline", fix: fixer => fixer.insertTextAfterRange([start, start + 2], `\n${expectedLinePrefix}`) }); } if (!/^\s*$/u.test(lines[lines.length - 1])) { context.report({ loc: { start: { line: block.loc.end.line, column: block.loc.end.column - 2 }, end: block.loc.end }, messageId: "endNewline", fix: fixer => fixer.replaceTextRange([block.range[1] - 2, block.range[1]], `\n${expectedLinePrefix}/`) }); } for (let lineNumber = block.loc.start.line + 1; lineNumber <= block.loc.end.line; lineNumber++) { const lineText = sourceCode.lines[lineNumber - 1]; if (!lineText.startsWith(expectedLinePrefix)) { context.report({ loc: { start: { line: lineNumber, column: 0 }, end: { line: lineNumber, column: sourceCode.lines[lineNumber - 1].length } }, messageId: /^\s*\*/u.test(lineText) ? "alignment" : "missingStar", fix(fixer) { const lineStartIndex = sourceCode.getIndexFromLoc({ line: lineNumber, column: 0 }); const linePrefixLength = lineText.match(/^\s*\*? ?/u)[0].length; const commentStartIndex = lineStartIndex + linePrefixLength; const replacementText = lineNumber === block.loc.end.line || lineText.length === linePrefixLength ? expectedLinePrefix : `${expectedLinePrefix} `; return fixer.replaceTextRange([lineStartIndex, commentStartIndex], replacementText); } }); } } } }, "separate-lines"(commentGroup) { if (!isJSDoc(commentGroup) && commentGroup[0].type === "Block") { const commentLines = getCommentLines(commentGroup); const block = commentGroup[0]; const tokenAfter = sourceCode.getTokenAfter(block, { includeComments: true }); if (tokenAfter && block.loc.end.line === tokenAfter.loc.start.line) { return; } context.report({ loc: { start: block.loc.start, end: { line: block.loc.start.line, column: block.loc.start.column + 2 } }, messageId: "expectedLines", fix(fixer) { return fixer.replaceText(block, convertToSeparateLines(block, commentLines.filter(line => line))); } }); } }, "bare-block"(commentGroup) { if (!isJSDoc(commentGroup)) { const commentLines = getCommentLines(commentGroup); // disallows consecutive line comments in favor of using a block comment. if (commentGroup[0].type === "Line" && commentLines.length > 1 && !commentLines.some(value => value.includes("*/"))) { context.report({ loc: { start: commentGroup[0].loc.start, end: commentGroup[commentGroup.length - 1].loc.end }, messageId: "expectedBlock", fix(fixer) { const range = [commentGroup[0].range[0], commentGroup[commentGroup.length - 1].range[1]]; const block = convertToBlock(commentGroup[0], commentLines.filter(line => line)); return fixer.replaceTextRange(range, block); } }); } // prohibits block comments from having a * at the beginning of each line. if (commentGroup[0].type === "Block") { const block = commentGroup[0]; const lines = block.value.split(astUtils.LINEBREAK_MATCHER).filter(line => line.trim()); if (lines.length > 0 && lines.every(line => /^\s*\*/u.test(line))) { context.report({ loc: { start: block.loc.start, end: { line: block.loc.start.line, column: block.loc.start.column + 2 } }, messageId: "expectedBareBlock", fix(fixer) { return fixer.replaceText(block, convertToBlock(block, commentLines.filter(line => line))); } }); } } } } }; //---------------------------------------------------------------------- // Public //---------------------------------------------------------------------- return { Program() { return sourceCode.getAllComments() .filter(comment => comment.type !== "Shebang") .filter(comment => !astUtils.COMMENTS_IGNORE_PATTERN.test(comment.value)) .filter(comment => { const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true }); return !tokenBefore || tokenBefore.loc.end.line < comment.loc.start.line; }) .reduce((commentGroups, comment, index, commentList) => { const tokenBefore = sourceCode.getTokenBefore(comment, { includeComments: true }); if ( comment.type === "Line" && index && commentList[index - 1].type === "Line" && tokenBefore && tokenBefore.loc.end.line === comment.loc.start.line - 1 && tokenBefore === commentList[index - 1] ) { commentGroups[commentGroups.length - 1].push(comment); } else { commentGroups.push([comment]); } return commentGroups; }, []) .filter(commentGroup => !(commentGroup.length === 1 && commentGroup[0].loc.start.line === commentGroup[0].loc.end.line)) .forEach(commentGroupCheckers[option]); } }; } };