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slider/node_modules/eslint-plugin-vue/lib/rules/no-deprecated-model-definition.js

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+/**
+ * @author Flo Edelmann
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const utils = require('../utils')
+
+const allowedPropNames = new Set(['modelValue', 'model-value'])
+const allowedEventNames = new Set(['update:modelValue', 'update:model-value'])
+
+/**
+ * @param {ObjectExpression} node
+ * @param {string} key
+ * @returns {Literal | TemplateLiteral | undefined}
+ */
+function findPropertyValue(node, key) {
+  const property = node.properties.find(
+    (property) =>
+      property.type === 'Property' &&
+      property.key.type === 'Identifier' &&
+      property.key.name === key
+  )
+  if (
+    !property ||
+    property.type !== 'Property' ||
+    !utils.isStringLiteral(property.value)
+  ) {
+    return undefined
+  }
+  return property.value
+}
+
+/**
+ * @param {RuleFixer} fixer
+ * @param {Literal | TemplateLiteral} node
+ * @param {string} text
+ */
+function replaceLiteral(fixer, node, text) {
+  return fixer.replaceTextRange([node.range[0] + 1, node.range[1] - 1], text)
+}
+
+module.exports = {
+  meta: {
+    type: 'problem',
+    docs: {
+      description: 'disallow deprecated `model` definition (in Vue.js 3.0.0+)',
+      categories: ['vue3-essential'],
+      url: 'https://eslint.vuejs.org/rules/no-deprecated-model-definition.html'
+    },
+    fixable: null,
+    hasSuggestions: true,
+    schema: [
+      {
+        type: 'object',
+        additionalProperties: false,
+        properties: {
+          allowVue3Compat: {
+            type: 'boolean'
+          }
+        }
+      }
+    ],
+    messages: {
+      deprecatedModel: '`model` definition is deprecated.',
+      vue3Compat:
+        '`model` definition is deprecated. You may use the Vue 3-compatible `modelValue`/`update:modelValue` though.',
+      changeToModelValue: 'Change to `modelValue`/`update:modelValue`.',
+      changeToKebabModelValue: 'Change to `model-value`/`update:model-value`.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const allowVue3Compat = Boolean(context.options[0]?.allowVue3Compat)
+
+    return utils.executeOnVue(context, (obj) => {
+      const modelProperty = utils.findProperty(obj, 'model')
+      if (!modelProperty || modelProperty.value.type !== 'ObjectExpression') {
+        return
+      }
+
+      if (!allowVue3Compat) {
+        context.report({
+          node: modelProperty,
+          messageId: 'deprecatedModel'
+        })
+        return
+      }
+
+      const propName = findPropertyValue(modelProperty.value, 'prop')
+      const eventName = findPropertyValue(modelProperty.value, 'event')
+
+      if (
+        !propName ||
+        !eventName ||
+        !allowedPropNames.has(
+          utils.getStringLiteralValue(propName, true) ?? ''
+        ) ||
+        !allowedEventNames.has(
+          utils.getStringLiteralValue(eventName, true) ?? ''
+        )
+      ) {
+        context.report({
+          node: modelProperty,
+          messageId: 'vue3Compat',
+          suggest:
+            propName && eventName
+              ? [
+                  {
+                    messageId: 'changeToModelValue',
+                    *fix(fixer) {
+                      const newPropName = 'modelValue'
+                      const newEventName = 'update:modelValue'
+                      yield replaceLiteral(fixer, propName, newPropName)
+                      yield replaceLiteral(fixer, eventName, newEventName)
+                    }
+                  },
+                  {
+                    messageId: 'changeToKebabModelValue',
+                    *fix(fixer) {
+                      const newPropName = 'model-value'
+                      const newEventName = 'update:model-value'
+                      yield replaceLiteral(fixer, propName, newPropName)
+                      yield replaceLiteral(fixer, eventName, newEventName)
+                    }
+                  }
+                ]
+              : []
+        })
+      }
+    })
+  }
+}