Support m (multi-line) flag

tjenkinson · Nov 12, 2023 · 1a2d500 · 1a2d500
1 parent 23d971e
commit 1a2d500
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/eslint-plugin-redos-detector.test.ts b/src/eslint-plugin-redos-detector.test.ts
@@ -24,6 +24,10 @@ describe('Eslint Plugin Redos Detector', () => {
             code: '/a/s',
             options: [{ ignoreError }],
           },
+          {
+            code: '/a/m',
+            options: [{ ignoreError }],
+          },
           ...(ignoreError
             ? [
                 {
@@ -49,6 +53,11 @@ describe('Eslint Plugin Redos Detector', () => {
             options: [{ ignoreError }],
             errors: 1,
           },
+          {
+            code: '/a+a+/m',
+            options: [{ ignoreError }],
+            errors: 1,
+          },
           ...(!ignoreError
             ? [
                 {

diff --git a/src/eslint-plugin-redos-detector.ts b/src/eslint-plugin-redos-detector.ts
@@ -60,6 +60,7 @@ export const rules: Record<string, Rule.RuleModule> = {
           let caseInsensitive = false;
           let unicode = false;
           let dotAll = false;
+          let multiLine = false;
 
           for (const flag of flags.split('')) {
             if (flag === 'i') {
@@ -68,6 +69,8 @@ export const rules: Record<string, Rule.RuleModule> = {
               unicode = true;
             } else if (flag === 's') {
               dotAll = true;
+            } else if (flag === 'm') {
+              multiLine = true;
             } else if (flag !== 'g') {
               if (!ignoreError) {
                 context.report({
@@ -98,6 +101,7 @@ export const rules: Record<string, Rule.RuleModule> = {
               caseInsensitive,
               unicode,
               dotAll,
+              multiLine,
             });
           } catch (e: any) {
             if (!ignoreError) {