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app_vue/node_modules/eslint-plugin-vue/lib/rules/no-reserved-props.js

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+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+const utils = require('../utils')
+const casing = require('../utils/casing')
+
+/**
+ * @typedef {import('../utils').ComponentProp} ComponentProp
+ */
+
+// ------------------------------------------------------------------------------
+// Helpers
+// ------------------------------------------------------------------------------
+
+const RESERVED = {
+  3: ['key', 'ref'],
+  2: ['key', 'ref', 'is', 'slot', 'slot-scope', 'slotScope', 'class', 'style']
+}
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'disallow reserved names in props',
+      categories: ['vue3-essential', 'essential'],
+      url: 'https://eslint.vuejs.org/rules/no-reserved-props.html',
+      defaultOptions: {
+        vue2: [{ vueVersion: 2 }]
+      }
+    },
+    fixable: null,
+    schema: [
+      {
+        type: 'object',
+        properties: {
+          vueVersion: {
+            enum: [2, 3]
+          }
+        },
+        additionalProperties: false
+      }
+    ],
+    messages: {
+      reserved:
+        "'{{propName}}' is a reserved attribute and cannot be used as props."
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const options = context.options[0] || {}
+    /** @type {2|3} */
+    const vueVersion = options.vueVersion || 3
+
+    const reserved = new Set(RESERVED[vueVersion])
+
+    /**
+     * @param {ComponentProp[]} props
+     */
+    function processProps(props) {
+      for (const prop of props) {
+        if (prop.propName != null && reserved.has(prop.propName)) {
+          context.report({
+            node: prop.node,
+            messageId: `reserved`,
+            data: {
+              propName: casing.kebabCase(prop.propName)
+            }
+          })
+        }
+      }
+    }
+
+    return utils.compositingVisitors(
+      utils.defineScriptSetupVisitor(context, {
+        onDefinePropsEnter(_node, props) {
+          processProps(props)
+        }
+      }),
+      utils.executeOnVue(context, (obj) => {
+        processProps(utils.getComponentPropsFromOptions(obj))
+      })
+    )
+  }
+}