src/function-forms/syntax/cls-expr-async-meth.template

// Copyright (C) 2017 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/class/async-method/
name: class expression async method
esid: sec-class-definitions-runtime-semantics-evaluation
info: |
  ClassExpression : class BindingIdentifieropt ClassTail

  1. If BindingIdentifieropt is not present, let className be undefined.
  2. Else, let className be StringValue of BindingIdentifier.
  3. Let value be the result of ClassDefinitionEvaluation of ClassTail
      with argument className.
  [...]

  14.5.14 Runtime Semantics: ClassDefinitionEvaluation

  21. For each ClassElement m in order from methods
    a. If IsStatic of m is false, then
      i. Let status be the result of performing
        PropertyDefinitionEvaluation for m with arguments proto and
        false.
    [...]

  Runtime Semantics: PropertyDefinitionEvaluation

  AsyncMethod : async PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }

  1. Let propKey be the result of evaluating PropertyName.
  2. ReturnIfAbrupt(propKey).
  3. If the function code for this AsyncMethod is strict mode code, let strict be true. Otherwise
     let strict be false.
  4. Let scope be the LexicalEnvironment of the running execution context.
  5. Let closure be ! AsyncFunctionCreate(Method, UniqueFormalParameters, AsyncFunctionBody,
     scope, strict).
  [...]

---*/

var C = class {
  static async method(/*{ params }*/) {
    /*{ body }*/
  }
};