1 files changed, 25 insertions, 0 deletions
diff --git a/deps/acorn-plugins/acorn-private-methods/index.js b/deps/acorn-plugins/acorn-private-methods/index.js
new file mode 100644
index 0000000000..a296425168
--- /dev/null
+++ b/deps/acorn-plugins/acorn-private-methods/index.js
@@ -0,0 +1,25 @@
+"use strict"
+
+const privateClassElements = require('internal/deps/acorn-plugins/acorn-private-class-elements/index')
+
+module.exports = function(Parser) {
+  const ExtendedParser = privateClassElements(Parser)
+
+  return class extends ExtendedParser {
+    // Parse private methods
+    parseClassElement(_constructorAllowsSuper) {
+      const oldInClassMemberName = this._inClassMemberName
+      this._inClassMemberName = true
+      const result = super.parseClassElement.apply(this, arguments)
+      this._inClassMemberName = oldInClassMemberName
+      return result
+    }
+
+    parsePropertyName(prop) {
+      const isPrivate = this.options.ecmaVersion >= 8 && this._inClassMemberName && this.type == this.privateNameToken
+      this._inClassMemberName = false
+      if (!isPrivate) return super.parsePropertyName(prop)
+      return this.parsePrivateClassElementName(prop)
+    }
+  }
+}