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node_modules/eslint-plugin-vue/lib/rules/no-v-model-argument.js

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+/**
+ * @author Przemyslaw Falowski (@przemkow)
+ * @fileoverview This rule checks whether v-model used on custom component do not have an argument
+ */
+'use strict'
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+const utils = require('../utils')
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description:
+        'disallow adding an argument to `v-model` used in custom component',
+      categories: ['essential'],
+      url: 'https://eslint.vuejs.org/rules/no-v-model-argument.html'
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      vModelRequireNoArgument: "'v-model' directives require no argument."
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    return utils.defineTemplateBodyVisitor(context, {
+      /** @param {VDirective} node */
+      "VAttribute[directive=true][key.name.name='model']"(node) {
+        const element = node.parent.parent
+
+        if (node.key.argument && utils.isCustomComponent(element)) {
+          context.report({
+            node,
+            loc: node.loc,
+            messageId: 'vModelRequireNoArgument'
+          })
+        }
+      }
+    })
+  }
+}