Drop support for Node.js <=v17, and v19

.changeset/calm-onions-yell.md

@@ -0,0 +1,5 @@
+---
+"eslint-plugin-regexp": major
+---
+
+Drop support for Node.js <=v17, and v19

.github/workflows/NodeCI.yml

@@ -13,7 +13,7 @@ jobs:
             - uses: actions/checkout@v3
             - uses: actions/setup-node@v3
               with:
-                  node-version: 16
+                  node-version: 18
             - name: Install Packages
               run: npm ci
             - name: Build
@@ -24,7 +24,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                node-version: [12.x, 14.x, 16.x, 18.x]
+                node-version: [18.x, 20.x]
         steps:
             - uses: actions/checkout@v3
             - name: Use Node.js ${{ matrix.node-version }}
@@ -41,24 +41,20 @@ jobs:
             - uses: actions/checkout@v3
             - uses: actions/setup-node@v3
               with:
-                  node-version: 12.13.x
+                  node-version: 18.x
             - name: Install Target Packages
               run: |+
                   npm ci
-                  npm i -D eslint@6 mocha@9
+                  npm i -D eslint@6 mocha@9 --legacy-peer-deps
             - name: Test
               run: npm test
     test-with-eslint7:
         runs-on: ubuntu-latest
-        strategy:
-            matrix:
-                node-version: [12.x, 14.x, 16.x]
         steps:
             - uses: actions/checkout@v3
-            - name: Use Node.js ${{ matrix.node-version }}
-              uses: actions/setup-node@v3
+            - uses: actions/setup-node@v3
               with:
-                  node-version: ${{ matrix.node-version }}
+                  node-version: 18.x
             - name: Install Target Packages
               run: |+
                   npm ci
@@ -84,7 +80,7 @@ jobs:
             - uses: actions/checkout@v3
             - uses: actions/setup-node@v3
               with:
-                  node-version: 14
+                  node-version: 18
             - name: Install Packages
               run: npm ci
             - name: Build

README.md

@@ -41,7 +41,7 @@ npm install --save-dev eslint eslint-plugin-regexp
 > **Requirements**
 >
 > - ESLint v6.0.0 and above
-> - Node.js v12.x, v14.x and above
+> - Node.js v18.x, v20.x and above
 
 <!--DOCS_IGNORE_END-->
 

docs/user-guide/index.md

@@ -9,7 +9,7 @@ npm install --save-dev eslint eslint-plugin-regexp
 ::: tip Requirements
 
 - ESLint v6.0.0 and above
-- Node.js v12.x, v14.x and above
+- Node.js v18.x, v20.x and above
 
 :::
 

package.json

@@ -3,7 +3,7 @@
     "version": "1.15.0",
     "description": "ESLint plugin for finding RegExp mistakes and RegExp style guide violations.",
     "engines": {
-        "node": "^12 || >=14"
+        "node": "^18 || >=20"
     },
     "main": "dist/index.js",
     "files": [