Add es/no-regexp-d-flag rule

docs/rules/no-regexp-d-flag.md

@@ -0,0 +1,19 @@
+# es/no-regexp-d-flag
+> disallow RegExp `d` flag
+
+- ✅ The following configurations enable this rule: `plugin:es/no-new-in-esnext`
+
+This rule reports ES2022 [RegExp `d` flag](https://github.com/tc39/proposal-regexp-match-indices#readme) as errors.
+
+## Examples
+
+⛔ Examples of **incorrect** code for this rule:
+
+<eslint-playground type="bad" code="/*eslint es/no-regexp-d-flag: error */
+const r1 = /./d
+" />
+
+## 📚 References
+
+- [Rule source](https://github.com/mysticatea/eslint-plugin-es/blob/v4.1.0/lib/rules/no-regexp-d-flag.js)
+- [Test source](https://github.com/mysticatea/eslint-plugin-es/blob/v4.1.0/tests/lib/rules/no-regexp-d-flag.js)

lib/rules/no-regexp-d-flag.js

@@ -0,0 +1,44 @@
+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+const { getRegExpCalls } = require("../utils")
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow RegExp `d` flag.",
+            category: "ES2022",
+            recommended: false,
+            url:
+                "http://mysticatea.github.io/eslint-plugin-es/rules/no-regexp-d-flag.html",
+        },
+        fixable: null,
+        messages: {
+            forbidden: "ES2022 RegExp 'd' flag is forbidden.",
+        },
+        schema: [],
+        type: "problem",
+    },
+    create(context) {
+        return {
+            "Literal[regex]"(node) {
+                if (node.regex.flags.includes("d")) {
+                    context.report({ node, messageId: "forbidden" })
+                }
+            },
+
+            "Program:exit"() {
+                const scope = context.getScope()
+
+                for (const { node, flags } of getRegExpCalls(scope)) {
+                    if (flags && flags.includes("d")) {
+                        context.report({ node, messageId: "forbidden" })
+                    }
+                }
+            },
+        }
+    },
+}

package.json

@@ -20,11 +20,11 @@
     "@mysticatea/eslint-plugin": "^13.0.0",
     "@typescript-eslint/parser": "^4.8.2",
     "@vuepress/plugin-pwa": "^1.2.0",
-    "acorn": "^7.1.0",
+    "acorn": "^8.5.0",
     "codecov": "^3.8.1",
-    "eslint": "^7.10.0",
+    "eslint": "^8.0.0-0",
     "eslint4b": "^7.10.0",
-    "espree": "^7.0.0",
+    "espree": "^9.0.0",
     "globals": "^12.0.0",
     "mocha": "^6.2.0",
     "npm-run-all": "^4.1.5",

tests/lib/rules/no-regexp-d-flag.js

@@ -0,0 +1,47 @@
+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+const RuleTester = require("../../tester")
+const rule = require("../../../lib/rules/no-regexp-d-flag.js")
+
+if (!RuleTester.isSupported(2022)) {
+    //eslint-disable-next-line no-console
+    console.log("Skip the tests of no-regexp-d-flag.")
+    return
+}
+
+new RuleTester().run("no-regexp-d-flag", rule, {
+    valid: [
+        "/foo/gimuys",
+        "a\n/b/d",
+        "new RegExp('foo', 'gimuys')",
+        "new RegExp('foo')",
+        "new RegExp('foo', flags)",
+        "const flags = 'gimuys'; new RegExp('foo', flags)",
+    ],
+    invalid: [
+        {
+            code: "/foo/d",
+            errors: ["ES2022 RegExp 'd' flag is forbidden."],
+        },
+        {
+            code: "/foo/gimsuyd",
+            errors: ["ES2022 RegExp 'd' flag is forbidden."],
+        },
+        {
+            code: "new RegExp('foo', 'd')",
+            errors: ["ES2022 RegExp 'd' flag is forbidden."],
+        },
+        {
+            code: "new RegExp('foo', 'gimsuyd')",
+            errors: ["ES2022 RegExp 'd' flag is forbidden."],
+        },
+        {
+            code: "const flags = 'd'; new RegExp('foo', flags)",
+            errors: ["ES2022 RegExp 'd' flag is forbidden."],
+        },
+    ],
+})

tests/tester.js

@@ -11,6 +11,7 @@ const semver = require("semver")
 const eslintVersion = new Linter().version
 const ecmaVersion =
     /*eslint-disable @mysticatea/prettier */
+    semver.gte(eslintVersion, "8.0.0-0") ? 2022 :
     semver.gte(eslintVersion, "7.8.0") ? 2021 :
     semver.gte(eslintVersion, "6.2.0") ? 2020 :
     semver.gte(eslintVersion, "5.0.0") ? 2019 :