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accessor-pairs.js
11.71
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array-bracket-newline.js
9.45
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array-bracket-spacing.js
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array-callback-return.js
15.5
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array-element-newline.js
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arrow-body-style.js
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arrow-parens.js
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arrow-spacing.js
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block-scoped-var.js
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block-spacing.js
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brace-style.js
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callback-return.js
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camelcase.js
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capitalized-comments.js
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class-methods-use-this.js
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comma-dangle.js
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comma-spacing.js
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comma-style.js
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complexity.js
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computed-property-spacing.js
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consistent-return.js
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consistent-this.js
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constructor-super.js
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curly.js
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default-case-last.js
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default-case.js
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default-param-last.js
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dot-location.js
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dot-notation.js
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eol-last.js
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eqeqeq.js
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for-direction.js
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func-call-spacing.js
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func-name-matching.js
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func-names.js
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func-style.js
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function-call-argument-newline...
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function-paren-newline.js
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generator-star-spacing.js
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getter-return.js
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global-require.js
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grouped-accessor-pairs.js
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guard-for-in.js
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handle-callback-err.js
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id-blacklist.js
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id-denylist.js
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id-length.js
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id-match.js
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implicit-arrow-linebreak.js
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indent-legacy.js
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indent.js
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index.js
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init-declarations.js
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jsx-quotes.js
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key-spacing.js
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keyword-spacing.js
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line-comment-position.js
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linebreak-style.js
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lines-around-comment.js
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lines-around-directive.js
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lines-between-class-members.js
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logical-assignment-operators.j...
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max-classes-per-file.js
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max-depth.js
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max-len.js
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max-lines-per-function.js
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max-lines.js
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max-nested-callbacks.js
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max-params.js
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max-statements-per-line.js
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max-statements.js
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multiline-comment-style.js
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multiline-ternary.js
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new-cap.js
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new-parens.js
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newline-after-var.js
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newline-before-return.js
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newline-per-chained-call.js
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no-alert.js
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no-array-constructor.js
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no-async-promise-executor.js
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no-await-in-loop.js
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no-bitwise.js
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no-caller.js
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no-case-declarations.js
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no-catch-shadow.js
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no-class-assign.js
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no-compare-neg-zero.js
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no-cond-assign.js
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no-confusing-arrow.js
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no-console.js
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no-const-assign.js
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no-constant-condition.js
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no-constructor-return.js
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no-continue.js
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no-control-regex.js
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no-debugger.js
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no-delete-var.js
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no-div-regex.js
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no-dupe-args.js
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no-dupe-class-members.js
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no-dupe-else-if.js
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no-dupe-keys.js
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no-duplicate-case.js
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no-duplicate-imports.js
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no-else-return.js
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no-empty-character-class.js
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no-empty-function.js
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no-empty-pattern.js
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no-empty-static-block.js
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no-empty.js
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no-eq-null.js
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no-eval.js
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no-ex-assign.js
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no-extend-native.js
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no-extra-bind.js
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no-extra-boolean-cast.js
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no-extra-label.js
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no-extra-parens.js
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no-extra-semi.js
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no-fallthrough.js
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no-floating-decimal.js
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no-func-assign.js
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no-global-assign.js
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no-implicit-coercion.js
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no-implicit-globals.js
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no-implied-eval.js
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no-import-assign.js
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no-inline-comments.js
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no-inner-declarations.js
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no-invalid-regexp.js
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no-invalid-this.js
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no-irregular-whitespace.js
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no-iterator.js
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no-label-var.js
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no-labels.js
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no-lone-blocks.js
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no-lonely-if.js
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no-loop-func.js
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no-loss-of-precision.js
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no-magic-numbers.js
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no-misleading-character-class....
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no-mixed-operators.js
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no-mixed-requires.js
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no-mixed-spaces-and-tabs.js
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no-multi-assign.js
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no-multi-spaces.js
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no-multi-str.js
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no-multiple-empty-lines.js
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no-native-reassign.js
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no-negated-condition.js
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no-negated-in-lhs.js
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no-nested-ternary.js
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no-new-func.js
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no-new-object.js
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no-new-require.js
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no-new-symbol.js
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no-new-wrappers.js
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no-new.js
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no-nonoctal-decimal-escape.js
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no-obj-calls.js
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no-object-constructor.js
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no-octal-escape.js
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no-octal.js
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no-param-reassign.js
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no-path-concat.js
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no-plusplus.js
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no-process-env.js
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no-process-exit.js
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no-promise-executor-return.js
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no-proto.js
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no-prototype-builtins.js
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no-redeclare.js
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no-regex-spaces.js
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no-restricted-exports.js
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no-restricted-globals.js
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no-restricted-imports.js
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no-restricted-modules.js
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no-restricted-properties.js
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no-restricted-syntax.js
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no-return-assign.js
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no-return-await.js
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no-script-url.js
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no-self-assign.js
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no-self-compare.js
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no-sequences.js
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no-setter-return.js
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no-shadow-restricted-names.js
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no-shadow.js
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no-sparse-arrays.js
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no-sync.js
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no-tabs.js
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no-template-curly-in-string.js
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no-ternary.js
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no-this-before-super.js
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no-throw-literal.js
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no-trailing-spaces.js
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no-undef.js
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no-undefined.js
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no-unexpected-multiline.js
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no-unreachable-loop.js
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no-unreachable.js
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no-unsafe-negation.js
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no-unsafe-optional-chaining.js
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no-unused-vars.js
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no-useless-backreference.js
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no-useless-call.js
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no-useless-catch.js
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no-useless-computed-key.js
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no-useless-concat.js
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no-useless-constructor.js
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no-useless-escape.js
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no-useless-rename.js
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no-useless-return.js
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no-var.js
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no-void.js
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no-with.js
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object-curly-newline.js
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object-curly-spacing.js
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object-property-newline.js
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object-shorthand.js
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one-var.js
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operator-assignment.js
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operator-linebreak.js
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padded-blocks.js
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prefer-rest-params.js
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prefer-spread.js
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prefer-template.js
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quote-props.js
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quotes.js
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radix.js
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require-atomic-updates.js
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require-await.js
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require-jsdoc.js
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require-unicode-regexp.js
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require-yield.js
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rest-spread-spacing.js
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semi-spacing.js
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semi-style.js
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semi.js
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spaced-comment.js
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strict.js
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switch-colon-spacing.js
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symbol-description.js
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valid-jsdoc.js
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valid-typeof.js
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vars-on-top.js
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wrap-iife.js
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wrap-regex.js
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yield-star-spacing.js
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yoda.js
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Code Editor : spaced-comment.js
/** * @fileoverview Source code for spaced-comments rule * @author Gyandeep Singh * @deprecated in ESLint v8.53.0 */ "use strict"; const escapeRegExp = require("escape-string-regexp"); const astUtils = require("./utils/ast-utils"); //------------------------------------------------------------------------------ // Helpers //------------------------------------------------------------------------------ /** * Escapes the control characters of a given string. * @param {string} s A string to escape. * @returns {string} An escaped string. */ function escape(s) { return `(?:${escapeRegExp(s)})`; } /** * Escapes the control characters of a given string. * And adds a repeat flag. * @param {string} s A string to escape. * @returns {string} An escaped string. */ function escapeAndRepeat(s) { return `${escape(s)}+`; } /** * Parses `markers` option. * If markers don't include `"*"`, this adds `"*"` to allow JSDoc comments. * @param {string[]} [markers] A marker list. * @returns {string[]} A marker list. */ function parseMarkersOption(markers) { // `*` is a marker for JSDoc comments. if (!markers.includes("*")) { return markers.concat("*"); } return markers; } /** * Creates string pattern for exceptions. * Generated pattern: * * 1. A space or an exception pattern sequence. * @param {string[]} exceptions An exception pattern list. * @returns {string} A regular expression string for exceptions. */ function createExceptionsPattern(exceptions) { let pattern = ""; /* * A space or an exception pattern sequence. * [] ==> "\s" * ["-"] ==> "(?:\s|\-+$)" * ["-", "="] ==> "(?:\s|(?:\-+|=+)$)" * ["-", "=", "--=="] ==> "(?:\s|(?:\-+|=+|(?:\-\-==)+)$)" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5Cs%7C(%3F%3A%5C-%2B%7C%3D%2B%7C(%3F%3A%5C-%5C-%3D%3D)%2B)%24) */ if (exceptions.length === 0) { // a space. pattern += "\\s"; } else { // a space or... pattern += "(?:\\s|"; if (exceptions.length === 1) { // a sequence of the exception pattern. pattern += escapeAndRepeat(exceptions[0]); } else { // a sequence of one of the exception patterns. pattern += "(?:"; pattern += exceptions.map(escapeAndRepeat).join("|"); pattern += ")"; } pattern += `(?:$|[${Array.from(astUtils.LINEBREAKS).join("")}]))`; } return pattern; } /** * Creates RegExp object for `always` mode. * Generated pattern for beginning of comment: * * 1. First, a marker or nothing. * 2. Next, a space or an exception pattern sequence. * @param {string[]} markers A marker list. * @param {string[]} exceptions An exception pattern list. * @returns {RegExp} A RegExp object for the beginning of a comment in `always` mode. */ function createAlwaysStylePattern(markers, exceptions) { let pattern = "^"; /* * A marker or nothing. * ["*"] ==> "\*?" * ["*", "!"] ==> "(?:\*|!)?" * ["*", "/", "!<"] ==> "(?:\*|\/|(?:!<))?" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5C*%7C%5C%2F%7C(%3F%3A!%3C))%3F */ if (markers.length === 1) { // the marker. pattern += escape(markers[0]); } else { // one of markers. pattern += "(?:"; pattern += markers.map(escape).join("|"); pattern += ")"; } pattern += "?"; // or nothing. pattern += createExceptionsPattern(exceptions); return new RegExp(pattern, "u"); } /** * Creates RegExp object for `never` mode. * Generated pattern for beginning of comment: * * 1. First, a marker or nothing (captured). * 2. Next, a space or a tab. * @param {string[]} markers A marker list. * @returns {RegExp} A RegExp object for `never` mode. */ function createNeverStylePattern(markers) { const pattern = `^(${markers.map(escape).join("|")})?[ \t]+`; return new RegExp(pattern, "u"); } //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../shared/types').Rule} */ module.exports = { meta: { deprecated: true, replacedBy: [], type: "suggestion", docs: { description: "Enforce consistent spacing after the `//` or `/*` in a comment", recommended: false, url: "https://eslint.org/docs/latest/rules/spaced-comment" }, fixable: "whitespace", schema: [ { enum: ["always", "never"] }, { type: "object", properties: { exceptions: { type: "array", items: { type: "string" } }, markers: { type: "array", items: { type: "string" } }, line: { type: "object", properties: { exceptions: { type: "array", items: { type: "string" } }, markers: { type: "array", items: { type: "string" } } }, additionalProperties: false }, block: { type: "object", properties: { exceptions: { type: "array", items: { type: "string" } }, markers: { type: "array", items: { type: "string" } }, balanced: { type: "boolean", default: false } }, additionalProperties: false } }, additionalProperties: false } ], messages: { unexpectedSpaceAfterMarker: "Unexpected space or tab after marker ({{refChar}}) in comment.", expectedExceptionAfter: "Expected exception block, space or tab after '{{refChar}}' in comment.", unexpectedSpaceBefore: "Unexpected space or tab before '*/' in comment.", unexpectedSpaceAfter: "Unexpected space or tab after '{{refChar}}' in comment.", expectedSpaceBefore: "Expected space or tab before '*/' in comment.", expectedSpaceAfter: "Expected space or tab after '{{refChar}}' in comment." } }, create(context) { const sourceCode = context.sourceCode; // Unless the first option is never, require a space const requireSpace = context.options[0] !== "never"; /* * Parse the second options. * If markers don't include `"*"`, it's added automatically for JSDoc * comments. */ const config = context.options[1] || {}; const balanced = config.block && config.block.balanced; const styleRules = ["block", "line"].reduce((rule, type) => { const markers = parseMarkersOption(config[type] && config[type].markers || config.markers || []); const exceptions = config[type] && config[type].exceptions || config.exceptions || []; const endNeverPattern = "[ \t]+$"; // Create RegExp object for valid patterns. rule[type] = { beginRegex: requireSpace ? createAlwaysStylePattern(markers, exceptions) : createNeverStylePattern(markers), endRegex: balanced && requireSpace ? new RegExp(`${createExceptionsPattern(exceptions)}$`, "u") : new RegExp(endNeverPattern, "u"), hasExceptions: exceptions.length > 0, captureMarker: new RegExp(`^(${markers.map(escape).join("|")})`, "u"), markers: new Set(markers) }; return rule; }, {}); /** * Reports a beginning spacing error with an appropriate message. * @param {ASTNode} node A comment node to check. * @param {string} messageId An error message to report. * @param {Array} match An array of match results for markers. * @param {string} refChar Character used for reference in the error message. * @returns {void} */ function reportBegin(node, messageId, match, refChar) { const type = node.type.toLowerCase(), commentIdentifier = type === "block" ? "/*" : "//"; context.report({ node, fix(fixer) { const start = node.range[0]; let end = start + 2; if (requireSpace) { if (match) { end += match[0].length; } return fixer.insertTextAfterRange([start, end], " "); } end += match[0].length; return fixer.replaceTextRange([start, end], commentIdentifier + (match[1] ? match[1] : "")); }, messageId, data: { refChar } }); } /** * Reports an ending spacing error with an appropriate message. * @param {ASTNode} node A comment node to check. * @param {string} messageId An error message to report. * @param {string} match An array of the matched whitespace characters. * @returns {void} */ function reportEnd(node, messageId, match) { context.report({ node, fix(fixer) { if (requireSpace) { return fixer.insertTextAfterRange([node.range[0], node.range[1] - 2], " "); } const end = node.range[1] - 2, start = end - match[0].length; return fixer.replaceTextRange([start, end], ""); }, messageId }); } /** * Reports a given comment if it's invalid. * @param {ASTNode} node a comment node to check. * @returns {void} */ function checkCommentForSpace(node) { const type = node.type.toLowerCase(), rule = styleRules[type], commentIdentifier = type === "block" ? "/*" : "//"; // Ignores empty comments and comments that consist only of a marker. if (node.value.length === 0 || rule.markers.has(node.value)) { return; } const beginMatch = rule.beginRegex.exec(node.value); const endMatch = rule.endRegex.exec(node.value); // Checks. if (requireSpace) { if (!beginMatch) { const hasMarker = rule.captureMarker.exec(node.value); const marker = hasMarker ? commentIdentifier + hasMarker[0] : commentIdentifier; if (rule.hasExceptions) { reportBegin(node, "expectedExceptionAfter", hasMarker, marker); } else { reportBegin(node, "expectedSpaceAfter", hasMarker, marker); } } if (balanced && type === "block" && !endMatch) { reportEnd(node, "expectedSpaceBefore"); } } else { if (beginMatch) { if (!beginMatch[1]) { reportBegin(node, "unexpectedSpaceAfter", beginMatch, commentIdentifier); } else { reportBegin(node, "unexpectedSpaceAfterMarker", beginMatch, beginMatch[1]); } } if (balanced && type === "block" && endMatch) { reportEnd(node, "unexpectedSpaceBefore", endMatch); } } } return { Program() { const comments = sourceCode.getAllComments(); comments.filter(token => token.type !== "Shebang").forEach(checkCommentForSpace); } }; } };
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