Supported invoke on expressions on js backend

js/js.translator/testData/expression/invoke/cases/InvokeWithThisObjectAndReceiver.kt

@@ -0,0 +1,12 @@
+package foo
+
+class A
+class B {
+    fun A.invoke(i: Int) = i
+}
+
+fun box(): Boolean {
+    val a = A()
+    val b = B()
+    return a.(b)(1) == 1
+}

js/js.translator/testData/expression/invoke/cases/invokeInExtensionFunctionLiteral.kt

@@ -0,0 +1,10 @@
+package foo
+
+fun box(): Boolean {
+    val v1 = 1.{ Int.(x: Int) -> this + x }(2)
+
+    val f = { Int.(x: Int) -> this + x }
+    val v2 = 1.(f)(2)
+
+    return v1 == 3 && v2 == 3
+}

js/js.translator/testData/expression/invoke/cases/invokeInFunctionLiteral.kt

@@ -0,0 +1,10 @@
+package foo
+
+fun box(): Boolean {
+    val v1 = {(x: Int) -> x}(2)
+
+    val f = {(x: Int) -> x}
+    val v2 = (f)(2)
+
+    return v1 == 2 && v2 == 2
+}

js/js.translator/testData/expression/invoke/cases/invokeOnExprByConvention.kt

@@ -0,0 +1,19 @@
+package foo
+
+class A {
+    fun invoke() = "##"
+    fun invoke(i: Int) = "#${i}"
+}
+
+fun foo() = A()
+
+fun box(): String {
+    if (A()() != "##") return "fail1"
+    if (A()(1) != "#1") return "fail2"
+    if (foo()() != "##") return "fail3"
+    if (foo()(42) != "#42") return "fail4"
+    if ((foo())(42) != "#42") return "fail5"
+    if ({() -> A()}()() != "##") return "fail6"
+    if ({() -> A()}()(37) != "#37") return "fail7"
+    return "OK"
+}

js/js.translator/testData/expression/invoke/cases/invokeWithReceiverArgument.kt

@@ -0,0 +1,6 @@
+package foo
+
+fun Int.invoke(x: Int) = this + x
+fun box(): Boolean {
+    return 1(2) == 3
+}

js/js.translator/testData/expression/invoke/cases/invokeWithThisObject.kt

@@ -0,0 +1,9 @@
+package foo
+
+class A {
+    fun invoke(i: Int) = i
+}
+
+fun box(): Boolean {
+    return A()(1) == 1
+}