first commit

app_vue/node_modules/eslint-plugin-vue/lib/rules/no-lifecycle-after-await.js

@@ -0,0 +1,143 @@
+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+const { ReferenceTracker } = require('eslint-utils')
+const utils = require('../utils')
+
+/**
+ * @typedef {import('eslint-utils').TYPES.TraceMap} TraceMap
+ */
+
+const LIFECYCLE_HOOKS = [
+  'onBeforeMount',
+  'onBeforeUnmount',
+  'onBeforeUpdate',
+  'onErrorCaptured',
+  'onMounted',
+  'onRenderTracked',
+  'onRenderTriggered',
+  'onUnmounted',
+  'onUpdated',
+  'onActivated',
+  'onDeactivated'
+]
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'disallow asynchronously registered lifecycle hooks',
+      categories: ['vue3-essential'],
+      url: 'https://eslint.vuejs.org/rules/no-lifecycle-after-await.html'
+    },
+    fixable: null,
+    schema: [],
+    messages: {
+      forbidden: 'The lifecycle hooks after `await` expression are forbidden.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    /**
+     * @typedef {object} SetupScopeData
+     * @property {boolean} afterAwait
+     * @property {[number,number]} range
+     */
+    /**
+     * @typedef {object} ScopeStack
+     * @property {ScopeStack | null} upper
+     * @property {FunctionDeclaration | FunctionExpression | ArrowFunctionExpression} scopeNode
+     */
+    /** @type {Set<ESNode>} */
+    const lifecycleHookCallNodes = new Set()
+    /** @type {Map<FunctionDeclaration | FunctionExpression | ArrowFunctionExpression, SetupScopeData>} */
+    const setupScopes = new Map()
+
+    /** @type {ScopeStack | null} */
+    let scopeStack = null
+
+    return utils.compositingVisitors(
+      {
+        Program() {
+          const tracker = new ReferenceTracker(context.getScope())
+          const traceMap = {
+            /** @type {TraceMap} */
+            vue: {
+              [ReferenceTracker.ESM]: true
+            }
+          }
+          for (const lifecycleHook of LIFECYCLE_HOOKS) {
+            traceMap.vue[lifecycleHook] = {
+              [ReferenceTracker.CALL]: true
+            }
+          }
+
+          for (const { node } of tracker.iterateEsmReferences(traceMap)) {
+            lifecycleHookCallNodes.add(node)
+          }
+        }
+      },
+      utils.defineVueVisitor(context, {
+        onSetupFunctionEnter(node) {
+          setupScopes.set(node, {
+            afterAwait: false,
+            range: node.range
+          })
+        },
+        /**
+         * @param {FunctionExpression | FunctionDeclaration | ArrowFunctionExpression} node
+         */
+        ':function'(node) {
+          scopeStack = {
+            upper: scopeStack,
+            scopeNode: node
+          }
+        },
+        ':function:exit'() {
+          scopeStack = scopeStack && scopeStack.upper
+        },
+        /** @param {AwaitExpression} node */
+        AwaitExpression(node) {
+          if (!scopeStack) {
+            return
+          }
+          const setupScope = setupScopes.get(scopeStack.scopeNode)
+          if (!setupScope || !utils.inRange(setupScope.range, node)) {
+            return
+          }
+          setupScope.afterAwait = true
+        },
+        /** @param {CallExpression} node */
+        CallExpression(node) {
+          if (!scopeStack) {
+            return
+          }
+          const setupScope = setupScopes.get(scopeStack.scopeNode)
+          if (
+            !setupScope ||
+            !setupScope.afterAwait ||
+            !utils.inRange(setupScope.range, node)
+          ) {
+            return
+          }
+
+          if (lifecycleHookCallNodes.has(node)) {
+            if (node.arguments.length >= 2) {
+              // Has target instance. e.g. `onMounted(() => {}, instance)`
+              return
+            }
+            context.report({
+              node,
+              messageId: 'forbidden'
+            })
+          }
+        },
+        onSetupFunctionExit(node) {
+          setupScopes.delete(node)
+        }
+      })
+    )
+  }
+}