fix(compiler-core): avoid runtime dependency on @babel/types

fix #4531

diff --git a/packages/compiler-core/src/babelUtils.ts b/packages/compiler-core/src/babelUtils.ts
index 571f6175643ee7728757d187bd15c603be7d50ec..738bf6ad353901688662a3fae2258cb8edb0be21 100644 (file)
--- a/packages/compiler-core/src/babelUtils.ts
+++ b/packages/compiler-core/src/babelUtils.ts
@@ -1,5 +1,6 @@
-import {
-  isReferenced,
+// should only use types from @babel/types
+// do not import runtime methods
+import type {
   Identifier,
   Node,
   Function,
@@ -243,3 +244,181 @@ export const isStaticProperty = (node: Node): node is ObjectProperty =>
 
 export const isStaticPropertyKey = (node: Node, parent: Node) =>
   isStaticProperty(parent) && parent.key === node
+
+/**
+ * Copied from https://github.com/babel/babel/blob/main/packages/babel-types/src/validators/isReferenced.ts
+ * To avoid runtime dependency on @babel/types (which includes process references)
+ * This file should not change very often in babel but we may need to keep it
+ * up-to-date from time to time.
+ *
+ * https://github.com/babel/babel/blob/main/LICENSE
+ *
+ */
+function isReferenced(node: Node, parent: Node, grandparent?: Node): boolean {
+  switch (parent.type) {
+    // yes: PARENT[NODE]
+    // yes: NODE.child
+    // no: parent.NODE
+    case 'MemberExpression':
+    case 'OptionalMemberExpression':
+      if (parent.property === node) {
+        return !!parent.computed
+      }
+      return parent.object === node
+
+    case 'JSXMemberExpression':
+      return parent.object === node
+    // no: let NODE = init;
+    // yes: let id = NODE;
+    case 'VariableDeclarator':
+      return parent.init === node
+
+    // yes: () => NODE
+    // no: (NODE) => {}
+    case 'ArrowFunctionExpression':
+      return parent.body === node
+
+    // no: class { #NODE; }
+    // no: class { get #NODE() {} }
+    // no: class { #NODE() {} }
+    // no: class { fn() { return this.#NODE; } }
+    case 'PrivateName':
+      return false
+
+    // no: class { NODE() {} }
+    // yes: class { [NODE]() {} }
+    // no: class { foo(NODE) {} }
+    case 'ClassMethod':
+    case 'ClassPrivateMethod':
+    case 'ObjectMethod':
+      if (parent.key === node) {
+        return !!parent.computed
+      }
+      return false
+
+    // yes: { [NODE]: "" }
+    // no: { NODE: "" }
+    // depends: { NODE }
+    // depends: { key: NODE }
+    case 'ObjectProperty':
+      if (parent.key === node) {
+        return !!parent.computed
+      }
+      // parent.value === node
+      return !grandparent || grandparent.type !== 'ObjectPattern'
+    // no: class { NODE = value; }
+    // yes: class { [NODE] = value; }
+    // yes: class { key = NODE; }
+    case 'ClassProperty':
+      if (parent.key === node) {
+        return !!parent.computed
+      }
+      return true
+    case 'ClassPrivateProperty':
+      return parent.key !== node
+
+    // no: class NODE {}
+    // yes: class Foo extends NODE {}
+    case 'ClassDeclaration':
+    case 'ClassExpression':
+      return parent.superClass === node
+
+    // yes: left = NODE;
+    // no: NODE = right;
+    case 'AssignmentExpression':
+      return parent.right === node
+
+    // no: [NODE = foo] = [];
+    // yes: [foo = NODE] = [];
+    case 'AssignmentPattern':
+      return parent.right === node
+
+    // no: NODE: for (;;) {}
+    case 'LabeledStatement':
+      return false
+
+    // no: try {} catch (NODE) {}
+    case 'CatchClause':
+      return false
+
+    // no: function foo(...NODE) {}
+    case 'RestElement':
+      return false
+
+    case 'BreakStatement':
+    case 'ContinueStatement':
+      return false
+
+    // no: function NODE() {}
+    // no: function foo(NODE) {}
+    case 'FunctionDeclaration':
+    case 'FunctionExpression':
+      return false
+
+    // no: export NODE from "foo";
+    // no: export * as NODE from "foo";
+    case 'ExportNamespaceSpecifier':
+    case 'ExportDefaultSpecifier':
+      return false
+
+    // no: export { foo as NODE };
+    // yes: export { NODE as foo };
+    // no: export { NODE as foo } from "foo";
+    case 'ExportSpecifier':
+      // @ts-expect-error
+      if (grandparent?.source) {
+        return false
+      }
+      return parent.local === node
+
+    // no: import NODE from "foo";
+    // no: import * as NODE from "foo";
+    // no: import { NODE as foo } from "foo";
+    // no: import { foo as NODE } from "foo";
+    // no: import NODE from "bar";
+    case 'ImportDefaultSpecifier':
+    case 'ImportNamespaceSpecifier':
+    case 'ImportSpecifier':
+      return false
+
+    // no: import "foo" assert { NODE: "json" }
+    case 'ImportAttribute':
+      return false
+
+    // no: <div NODE="foo" />
+    case 'JSXAttribute':
+      return false
+
+    // no: [NODE] = [];
+    // no: ({ NODE }) = [];
+    case 'ObjectPattern':
+    case 'ArrayPattern':
+      return false
+
+    // no: new.NODE
+    // no: NODE.target
+    case 'MetaProperty':
+      return false
+
+    // yes: type X = { somePropert: NODE }
+    // no: type X = { NODE: OtherType }
+    case 'ObjectTypeProperty':
+      return parent.key !== node
+
+    // yes: enum X { Foo = NODE }
+    // no: enum X { NODE }
+    case 'TSEnumMember':
+      return parent.id !== node
+
+    // yes: { [NODE]: value }
+    // no: { NODE: value }
+    case 'TSPropertySignature':
+      if (parent.key === node) {
+        return !!parent.computed
+      }
+
+      return true
+  }
+
+  return true
+}