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

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+/**
+ * @fileoverview Prevent overwrite reserved keys
+ * @author Armano
+ */
+'use strict'
+
+const utils = require('../utils')
+
+/**
+ * @typedef {import('../utils').GroupName} GroupName
+ */
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+const RESERVED_KEYS = require('../utils/vue-reserved.json')
+/** @type {GroupName[]} */
+const GROUP_NAMES = [
+  'props',
+  'computed',
+  'data',
+  'asyncData',
+  'methods',
+  'setup'
+]
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'disallow overwriting reserved keys',
+      categories: ['vue3-essential', 'essential'],
+      url: 'https://eslint.vuejs.org/rules/no-reserved-keys.html'
+    },
+    fixable: null,
+    schema: [
+      {
+        type: 'object',
+        properties: {
+          reserved: {
+            type: 'array'
+          },
+          groups: {
+            type: 'array'
+          }
+        },
+        additionalProperties: false
+      }
+    ],
+    messages: {
+      reserved: "Key '{{name}}' is reserved.",
+      startsWithUnderscore:
+        "Keys starting with '_' are reserved in '{{name}}' group."
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const options = context.options[0] || {}
+    const reservedKeys = new Set(RESERVED_KEYS.concat(options.reserved || []))
+    const groups = new Set(GROUP_NAMES.concat(options.groups || []))
+
+    // ----------------------------------------------------------------------
+    // Public
+    // ----------------------------------------------------------------------
+
+    return utils.compositingVisitors(
+      utils.defineScriptSetupVisitor(context, {
+        onDefinePropsEnter(_node, props) {
+          for (const prop of props) {
+            if (prop.propName && reservedKeys.has(prop.propName)) {
+              const { propName, node } = prop
+              context.report({
+                node,
+                messageId: 'reserved',
+                data: {
+                  name: propName
+                }
+              })
+            }
+          }
+        }
+      }),
+      utils.executeOnVue(context, (obj) => {
+        const properties = utils.iterateProperties(obj, groups)
+        for (const o of properties) {
+          if (
+            (o.groupName === 'data' || o.groupName === 'asyncData') &&
+            o.name[0] === '_'
+          ) {
+            context.report({
+              node: o.node,
+              messageId: 'startsWithUnderscore',
+              data: {
+                name: o.name
+              }
+            })
+          } else if (reservedKeys.has(o.name)) {
+            context.report({
+              node: o.node,
+              messageId: 'reserved',
+              data: {
+                name: o.name
+              }
+            })
+          }
+        }
+      })
+    )
+  }
+}