Allow exponential op in await expression

Closes #898
acornjs · Dec 31, 2019 · 2247347 · 2247347
1 parent ca43135
commit 2247347
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diff --git a/acorn/src/expression.js b/acorn/src/expression.js
@@ -962,6 +962,6 @@ pp.parseAwait = function() {
 
   let node = this.startNode()
   this.next()
-  node.argument = this.parseMaybeUnary(null, true)
+  node.argument = this.parseMaybeUnary(null, false)
   return this.finishNode(node, "AwaitExpression")
 }
diff --git a/test/tests-asyncawait.js b/test/tests-asyncawait.js
@@ -3523,3 +3523,5 @@ test(
 test("({ async delete() {} })", {}, {ecmaVersion: 8})
 
 testFail("abc: async function a() {}", "Unexpected token (1:5)", {ecmaVersion: 8})
+
+test("(async() => { await 4 ** 2 })()", {}, {ecmaVersion: 8})
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3523,3 +3523,5 @@ test(
		test("({ async delete() {} })", {}, {ecmaVersion: 8})

		testFail("abc: async function a() {}", "Unexpected token (1:5)", {ecmaVersion: 8})

		test("(async() => { await 4 ** 2 })()", {}, {ecmaVersion: 8})