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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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Rename
/** * @fileoverview Enforces empty lines around comments. * @author Jamund Ferguson */ "use strict"; //------------------------------------------------------------------------------ // Requirements //------------------------------------------------------------------------------ const lodash = require("lodash"), astUtils = require("./utils/ast-utils"); //------------------------------------------------------------------------------ // Helpers //------------------------------------------------------------------------------ /** * Return an array with with any line numbers that are empty. * @param {Array} lines An array of each line of the file. * @returns {Array} An array of line numbers. */ function getEmptyLineNums(lines) { const emptyLines = lines.map((line, i) => ({ code: line.trim(), num: i + 1 })).filter(line => !line.code).map(line => line.num); return emptyLines; } /** * Return an array with with any line numbers that contain comments. * @param {Array} comments An array of comment tokens. * @returns {Array} An array of line numbers. */ function getCommentLineNums(comments) { const lines = []; comments.forEach(token => { const start = token.loc.start.line; const end = token.loc.end.line; lines.push(start, end); }); return lines; } //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ module.exports = { meta: { type: "layout", docs: { description: "require empty lines around comments", category: "Stylistic Issues", recommended: false, url: "https://eslint.org/docs/rules/lines-around-comment" }, fixable: "whitespace", schema: [ { type: "object", properties: { beforeBlockComment: { type: "boolean", default: true }, afterBlockComment: { type: "boolean", default: false }, beforeLineComment: { type: "boolean", default: false }, afterLineComment: { type: "boolean", default: false }, allowBlockStart: { type: "boolean", default: false }, allowBlockEnd: { type: "boolean", default: false }, allowClassStart: { type: "boolean" }, allowClassEnd: { type: "boolean" }, allowObjectStart: { type: "boolean" }, allowObjectEnd: { type: "boolean" }, allowArrayStart: { type: "boolean" }, allowArrayEnd: { type: "boolean" }, ignorePattern: { type: "string" }, applyDefaultIgnorePatterns: { type: "boolean" } }, additionalProperties: false } ], messages: { after: "Expected line after comment.", before: "Expected line before comment." } }, create(context) { const options = Object.assign({}, context.options[0]); const ignorePattern = options.ignorePattern; const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN; const customIgnoreRegExp = new RegExp(ignorePattern, "u"); const applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns !== false; options.beforeBlockComment = typeof options.beforeBlockComment !== "undefined" ? options.beforeBlockComment : true; const sourceCode = context.getSourceCode(); const lines = sourceCode.lines, numLines = lines.length + 1, comments = sourceCode.getAllComments(), commentLines = getCommentLineNums(comments), emptyLines = getEmptyLineNums(lines), commentAndEmptyLines = commentLines.concat(emptyLines); /** * Returns whether or not comments are on lines starting with or ending with code * @param {token} token The comment token to check. * @returns {boolean} True if the comment is not alone. */ function codeAroundComment(token) { let currentToken = token; do { currentToken = sourceCode.getTokenBefore(currentToken, { includeComments: true }); } while (currentToken && astUtils.isCommentToken(currentToken)); if (currentToken && astUtils.isTokenOnSameLine(currentToken, token)) { return true; } currentToken = token; do { currentToken = sourceCode.getTokenAfter(currentToken, { includeComments: true }); } while (currentToken && astUtils.isCommentToken(currentToken)); if (currentToken && astUtils.isTokenOnSameLine(token, currentToken)) { return true; } return false; } /** * Returns whether or not comments are inside a node type or not. * @param {ASTNode} parent The Comment parent node. * @param {string} nodeType The parent type to check against. * @returns {boolean} True if the comment is inside nodeType. */ function isParentNodeType(parent, nodeType) { return parent.type === nodeType || (parent.body && parent.body.type === nodeType) || (parent.consequent && parent.consequent.type === nodeType); } /** * Returns the parent node that contains the given token. * @param {token} token The token to check. * @returns {ASTNode} The parent node that contains the given token. */ function getParentNodeOfToken(token) { return sourceCode.getNodeByRangeIndex(token.range[0]); } /** * Returns whether or not comments are at the parent start or not. * @param {token} token The Comment token. * @param {string} nodeType The parent type to check against. * @returns {boolean} True if the comment is at parent start. */ function isCommentAtParentStart(token, nodeType) { const parent = getParentNodeOfToken(token); return parent && isParentNodeType(parent, nodeType) && token.loc.start.line - parent.loc.start.line === 1; } /** * Returns whether or not comments are at the parent end or not. * @param {token} token The Comment token. * @param {string} nodeType The parent type to check against. * @returns {boolean} True if the comment is at parent end. */ function isCommentAtParentEnd(token, nodeType) { const parent = getParentNodeOfToken(token); return parent && isParentNodeType(parent, nodeType) && parent.loc.end.line - token.loc.end.line === 1; } /** * Returns whether or not comments are at the block start or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at block start. */ function isCommentAtBlockStart(token) { return isCommentAtParentStart(token, "ClassBody") || isCommentAtParentStart(token, "BlockStatement") || isCommentAtParentStart(token, "SwitchCase"); } /** * Returns whether or not comments are at the block end or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at block end. */ function isCommentAtBlockEnd(token) { return isCommentAtParentEnd(token, "ClassBody") || isCommentAtParentEnd(token, "BlockStatement") || isCommentAtParentEnd(token, "SwitchCase") || isCommentAtParentEnd(token, "SwitchStatement"); } /** * Returns whether or not comments are at the class start or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at class start. */ function isCommentAtClassStart(token) { return isCommentAtParentStart(token, "ClassBody"); } /** * Returns whether or not comments are at the class end or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at class end. */ function isCommentAtClassEnd(token) { return isCommentAtParentEnd(token, "ClassBody"); } /** * Returns whether or not comments are at the object start or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at object start. */ function isCommentAtObjectStart(token) { return isCommentAtParentStart(token, "ObjectExpression") || isCommentAtParentStart(token, "ObjectPattern"); } /** * Returns whether or not comments are at the object end or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at object end. */ function isCommentAtObjectEnd(token) { return isCommentAtParentEnd(token, "ObjectExpression") || isCommentAtParentEnd(token, "ObjectPattern"); } /** * Returns whether or not comments are at the array start or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at array start. */ function isCommentAtArrayStart(token) { return isCommentAtParentStart(token, "ArrayExpression") || isCommentAtParentStart(token, "ArrayPattern"); } /** * Returns whether or not comments are at the array end or not. * @param {token} token The Comment token. * @returns {boolean} True if the comment is at array end. */ function isCommentAtArrayEnd(token) { return isCommentAtParentEnd(token, "ArrayExpression") || isCommentAtParentEnd(token, "ArrayPattern"); } /** * Checks if a comment token has lines around it (ignores inline comments) * @param {token} token The Comment token. * @param {Object} opts Options to determine the newline. * @param {boolean} opts.after Should have a newline after this line. * @param {boolean} opts.before Should have a newline before this line. * @returns {void} */ function checkForEmptyLine(token, opts) { if (applyDefaultIgnorePatterns && defaultIgnoreRegExp.test(token.value)) { return; } if (ignorePattern && customIgnoreRegExp.test(token.value)) { return; } let after = opts.after, before = opts.before; const prevLineNum = token.loc.start.line - 1, nextLineNum = token.loc.end.line + 1, commentIsNotAlone = codeAroundComment(token); const blockStartAllowed = options.allowBlockStart && isCommentAtBlockStart(token) && !(options.allowClassStart === false && isCommentAtClassStart(token)), blockEndAllowed = options.allowBlockEnd && isCommentAtBlockEnd(token) && !(options.allowClassEnd === false && isCommentAtClassEnd(token)), classStartAllowed = options.allowClassStart && isCommentAtClassStart(token), classEndAllowed = options.allowClassEnd && isCommentAtClassEnd(token), objectStartAllowed = options.allowObjectStart && isCommentAtObjectStart(token), objectEndAllowed = options.allowObjectEnd && isCommentAtObjectEnd(token), arrayStartAllowed = options.allowArrayStart && isCommentAtArrayStart(token), arrayEndAllowed = options.allowArrayEnd && isCommentAtArrayEnd(token); const exceptionStartAllowed = blockStartAllowed || classStartAllowed || objectStartAllowed || arrayStartAllowed; const exceptionEndAllowed = blockEndAllowed || classEndAllowed || objectEndAllowed || arrayEndAllowed; // ignore top of the file and bottom of the file if (prevLineNum < 1) { before = false; } if (nextLineNum >= numLines) { after = false; } // we ignore all inline comments if (commentIsNotAlone) { return; } const previousTokenOrComment = sourceCode.getTokenBefore(token, { includeComments: true }); const nextTokenOrComment = sourceCode.getTokenAfter(token, { includeComments: true }); // check for newline before if (!exceptionStartAllowed && before && !lodash.includes(commentAndEmptyLines, prevLineNum) && !(astUtils.isCommentToken(previousTokenOrComment) && astUtils.isTokenOnSameLine(previousTokenOrComment, token))) { const lineStart = token.range[0] - token.loc.start.column; const range = [lineStart, lineStart]; context.report({ node: token, messageId: "before", fix(fixer) { return fixer.insertTextBeforeRange(range, "\n"); } }); } // check for newline after if (!exceptionEndAllowed && after && !lodash.includes(commentAndEmptyLines, nextLineNum) && !(astUtils.isCommentToken(nextTokenOrComment) && astUtils.isTokenOnSameLine(token, nextTokenOrComment))) { context.report({ node: token, messageId: "after", fix(fixer) { return fixer.insertTextAfter(token, "\n"); } }); } } //-------------------------------------------------------------------------- // Public //-------------------------------------------------------------------------- return { Program() { comments.forEach(token => { if (token.type === "Line") { if (options.beforeLineComment || options.afterLineComment) { checkForEmptyLine(token, { after: options.afterLineComment, before: options.beforeLineComment }); } } else if (token.type === "Block") { if (options.beforeBlockComment || options.afterBlockComment) { checkForEmptyLine(token, { after: options.afterBlockComment, before: options.beforeBlockComment }); } } }); } }; } };