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app_vue/node_modules/eslint-plugin-vue/lib/rules/no-unsupported-features.js

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+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const semver = require('semver')
+const utils = require('../utils')
+
+/**
+ * @typedef {object} SyntaxRule
+ * @property {string} supported
+ * @property { (context: RuleContext) => TemplateListener } [createTemplateBodyVisitor]
+ * @property { (context: RuleContext) => RuleListener } [createScriptVisitor]
+ */
+
+const FEATURES = {
+  // Vue.js 2.5.0+
+  'slot-scope-attribute': require('./syntaxes/slot-scope-attribute'),
+  // Vue.js 2.6.0+
+  'dynamic-directive-arguments': require('./syntaxes/dynamic-directive-arguments'),
+  'v-slot': require('./syntaxes/v-slot'),
+  // Vue.js 3.0.0+
+  'v-model-argument': require('./syntaxes/v-model-argument'),
+  'v-model-custom-modifiers': require('./syntaxes/v-model-custom-modifiers'),
+  'v-is': require('./syntaxes/v-is'),
+  'script-setup': require('./syntaxes/script-setup'),
+  'style-css-vars-injection': require('./syntaxes/style-css-vars-injection'),
+  // Vue.js 3.1.0+
+  'is-attribute-with-vue-prefix': require('./syntaxes/is-attribute-with-vue-prefix'),
+  // Vue.js 3.2.0+
+  'v-memo': require('./syntaxes/v-memo'),
+  'v-bind-prop-modifier-shorthand': require('./syntaxes/v-bind-prop-modifier-shorthand'),
+  'v-bind-attr-modifier': require('./syntaxes/v-bind-attr-modifier')
+}
+
+const SYNTAX_NAMES = /** @type {(keyof FEATURES)[]} */ (Object.keys(FEATURES))
+
+const cache = new Map()
+/**
+ * Get the `semver.Range` object of a given range text.
+ * @param {string} x The text expression for a semver range.
+ * @returns {semver.Range} The range object of a given range text.
+ * It's null if the `x` is not a valid range text.
+ */
+function getSemverRange(x) {
+  const s = String(x)
+  let ret = cache.get(s) || null
+
+  if (!ret) {
+    try {
+      ret = new semver.Range(s)
+    } catch (_error) {
+      // Ignore parsing error.
+    }
+    cache.set(s, ret)
+  }
+
+  return ret
+}
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description:
+        'disallow unsupported Vue.js syntax on the specified version',
+      categories: undefined,
+      url: 'https://eslint.vuejs.org/rules/no-unsupported-features.html'
+    },
+    fixable: 'code',
+    schema: [
+      {
+        type: 'object',
+        properties: {
+          version: {
+            type: 'string'
+          },
+          ignores: {
+            type: 'array',
+            items: {
+              enum: SYNTAX_NAMES
+            },
+            uniqueItems: true
+          }
+        },
+        additionalProperties: false
+      }
+    ],
+    messages: {
+      // Vue.js 2.5.0+
+      forbiddenSlotScopeAttribute:
+        '`slot-scope` are not supported except Vue.js ">=2.5.0 <3.0.0".',
+      // Vue.js 2.6.0+
+      forbiddenDynamicDirectiveArguments:
+        'Dynamic arguments are not supported until Vue.js "2.6.0".',
+      forbiddenVSlot: '`v-slot` are not supported until Vue.js "2.6.0".',
+      // Vue.js 3.0.0+
+      forbiddenVModelArgument:
+        'Argument on `v-model` is not supported until Vue.js "3.0.0".',
+      forbiddenVModelCustomModifiers:
+        'Custom modifiers on `v-model` are not supported until Vue.js "3.0.0".',
+      forbiddenVIs: '`v-is` are not supported until Vue.js "3.0.0".',
+      forbiddenScriptSetup:
+        '`<script setup>` are not supported until Vue.js "3.0.0".',
+      forbiddenStyleCssVarsInjection:
+        'SFC CSS variable injection is not supported until Vue.js "3.0.3".',
+      // Vue.js 3.1.0+
+      forbiddenIsAttributeWithVuePrefix:
+        '`is="vue:"` are not supported until Vue.js "3.1.0".',
+      // Vue.js 3.2.0+
+      forbiddenVMemo: '`v-memo` are not supported until Vue.js "3.2.0".',
+      forbiddenVBindPropModifierShorthand:
+        '`.prop` shorthand are not supported until Vue.js "3.2.0".',
+      forbiddenVBindAttrModifier:
+        '`.attr` modifiers on `v-bind` are not supported until Vue.js "3.2.0".'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const { version, ignores } = Object.assign(
+      {
+        version: null,
+        ignores: []
+      },
+      context.options[0] || {}
+    )
+    if (!version) {
+      // version is not set.
+      return {}
+    }
+    const versionRange = getSemverRange(version)
+
+    /**
+     * Check whether a given case object is full-supported on the configured node version.
+     * @param {SyntaxRule} aCase The case object to check.
+     * @returns {boolean} `true` if it's supporting.
+     */
+    function isNotSupportingVersion(aCase) {
+      return !semver.subset(versionRange, getSemverRange(aCase.supported))
+    }
+
+    /** @type {TemplateListener} */
+    let templateBodyVisitor = {}
+    /** @type {RuleListener} */
+    let scriptVisitor = {}
+
+    for (const syntaxName of SYNTAX_NAMES) {
+      /** @type {SyntaxRule} */
+      const syntax = FEATURES[syntaxName]
+      if (ignores.includes(syntaxName) || !isNotSupportingVersion(syntax)) {
+        continue
+      }
+      if (syntax.createTemplateBodyVisitor) {
+        const visitor = syntax.createTemplateBodyVisitor(context)
+        templateBodyVisitor = utils.compositingVisitors(
+          templateBodyVisitor,
+          visitor
+        )
+      }
+      if (syntax.createScriptVisitor) {
+        const visitor = syntax.createScriptVisitor(context)
+        scriptVisitor = utils.compositingVisitors(scriptVisitor, visitor)
+      }
+    }
+
+    return utils.defineTemplateBodyVisitor(
+      context,
+      templateBodyVisitor,
+      scriptVisitor
+    )
+  }
+}