ags

home/ags/node_modules/eslint-plugin-es-x/lib/rules/no-regexp-y-flag.js

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+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+const { getSourceCode } = require("eslint-compat-utils")
+const { getRegExpCalls } = require("../utils")
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow RegExp `y` flag.",
+            category: "ES2015",
+            recommended: false,
+            url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-regexp-y-flag.html",
+        },
+        fixable: null,
+        messages: {
+            forbidden: "ES2015 RegExp 'y' flag is forbidden.",
+        },
+        schema: [],
+        type: "problem",
+    },
+    create(context) {
+        return {
+            "Literal[regex]"(node) {
+                if (node.regex.flags.includes("y")) {
+                    context.report({ node, messageId: "forbidden" })
+                }
+            },
+
+            "Program:exit"(program) {
+                const sourceCode = getSourceCode(context)
+                const scope = sourceCode.getScope(program)
+
+                for (const { node, flags } of getRegExpCalls(scope)) {
+                    if (flags && flags.includes("y")) {
+                        context.report({ node, messageId: "forbidden" })
+                    }
+                }
+            },
+        }
+    },
+}