105 lines
2.8 KiB
Diff
105 lines
2.8 KiB
Diff
diff --git a/lib/rules/no-useless-escape.js b/lib/rules/no-useless-escape.js
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index 480b51597..3e8cdbaf1 100644
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--- a/lib/rules/no-useless-escape.js
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+++ b/lib/rules/no-useless-escape.js
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@@ -95,6 +95,14 @@ module.exports = {
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},
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uniqueItems: true,
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},
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+ extra: {
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+ type: "string",
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+ default: ""
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+ },
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+ extraCharClass: {
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+ type: "string",
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+ default: ""
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+ }
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},
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additionalProperties: false,
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},
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@@ -102,10 +110,15 @@ module.exports = {
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},
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create(context) {
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+ const options = context.options[0] || {};
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+ const { extra, extraCharClass } = options;
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const sourceCode = context.sourceCode;
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const [{ allowRegexCharacters }] = context.options;
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const parser = new RegExpParser();
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+ const NON_CHARCLASS_ESCAPES = union(REGEX_NON_CHARCLASS_ESCAPES, new Set(extra));
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+ const CHARCLASS_ESCAPES = union(REGEX_GENERAL_ESCAPES, new Set(extraCharClass));
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+
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/**
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* Reports a node
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* @param {ASTNode} node The node to report
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@@ -145,16 +158,16 @@ module.exports = {
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...(disableEscapeBackslashSuggest
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? []
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: [
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- {
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- messageId: "escapeBackslash",
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- fix(fixer) {
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- return fixer.insertTextBeforeRange(
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- range,
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- "\\",
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- );
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- },
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+ {
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+ messageId: "escapeBackslash",
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+ fix(fixer) {
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+ return fixer.insertTextBeforeRange(
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+ range,
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+ "\\",
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+ );
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},
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- ]),
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+ },
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+ ]),
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],
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});
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}
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@@ -238,7 +251,7 @@ module.exports = {
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if (
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escapedChar !==
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- String.fromCodePoint(characterNode.value) ||
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+ String.fromCodePoint(characterNode.value) ||
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allowRegexCharacters.includes(escapedChar)
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) {
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// It's a valid escape.
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@@ -247,11 +260,9 @@ module.exports = {
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let allowedEscapes;
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if (characterClassStack.length) {
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- allowedEscapes = unicodeSets
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- ? REGEX_CLASSSET_CHARACTER_ESCAPES
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- : REGEX_GENERAL_ESCAPES;
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+ allowedEscapes = unicodeSets ? REGEX_CLASSSET_CHARACTER_ESCAPES : CHARCLASS_ESCAPES;
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} else {
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- allowedEscapes = REGEX_NON_CHARCLASS_ESCAPES;
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+ allowedEscapes = NON_CHARCLASS_ESCAPES;
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}
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if (allowedEscapes.has(escapedChar)) {
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return;
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@@ -287,9 +298,9 @@ module.exports = {
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*/
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if (
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characterClassNode.start + 1 !==
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- characterNode.start &&
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+ characterNode.start &&
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characterNode.end !==
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- characterClassNode.end - 1
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+ characterClassNode.end - 1
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) {
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return;
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}
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@@ -334,7 +345,7 @@ module.exports = {
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if (
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characterNode.parent.type ===
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- "ClassIntersection" ||
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+ "ClassIntersection" ||
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characterNode.parent.type === "ClassSubtraction"
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) {
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disableEscapeBackslashSuggest = true;
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