$mol_view_tree2_to_js_test $mol_view to $mol_object, some type tests

view/tree2/to/js/test/ex/aarray_constructor_tuple.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_constructor_tuple_foo $mol_view
-	blobs /$mol_view
+$mol_view_tree2_to_js_test_ex_array_constructor_tuple_foo $mol_object
+	blobs /$mol_object
 		<= text_blob? $mol_view_tree2_to_js_test_ex_klass_tuple /
 			/string <= text \123

view/tree2/to/js/test/ex/array_boolean.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_boolean_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_boolean_foo $mol_object
 	bar /boolean
 		false
 		true

view/tree2/to/js/test/ex/array_indexed.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_indexed_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_indexed_foo $mol_object
 	tags* /string
 		<= tag1* \t1
 		^ slot* /

view/tree2/to/js/test/ex/array_inheritance.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_inheritance_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_inheritance_foo $mol_object
 	arr /
 		\v1
 $mol_view_tree2_to_js_test_ex_array_inheritance_bar $mol_view_tree2_to_js_test_ex_array_inheritance_foo

view/tree2/to/js/test/ex/array_number.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_number_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_number_foo $mol_object
 	bar /
 		- NaN
 		-Infinity

view/tree2/to/js/test/ex/array_of_array_or_object.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_of_array_or_object_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_of_array_or_object_foo $mol_object
 	complex /
 		/number|string
 			1

view/tree2/to/js/test/ex/array_slot.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_slot_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_slot_foo $mol_object
 	foot /string|number|boolean
 		1
 		2

view/tree2/to/js/test/ex/array_spread_other_channel.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_array_spread_other_bar $mol_view
+$mol_view_tree2_to_js_test_ex_array_spread_other_bar $mol_object
 	sup /
 		\v1
 	arr /

view/tree2/to/js/test/ex/array_with_types.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_array_with_types_foo $mol_view
+$mol_view_tree2_to_js_test_ex_array_with_types_foo $mol_object
 	arr /readonly(number)[]

view/tree2/to/js/test/ex/bidi_chaining.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_chaining_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_chaining_foo $mol_object
 	a? <=> b? <=> c? null

view/tree2/to/js/test/ex/bidi_doubing_right_part_with_same_default.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_bidi_doubing_right_part_with_same_default_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_doubing_right_part_with_same_default_foo $mol_object
 	a? <=> b? false
 	c? <=> b? false

view/tree2/to/js/test/ex/bidi_fallback.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_fallback_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_fallback_foo $mol_object
 	bar1? <=> bar2? 1

view/tree2/to/js/test/ex/bidi_in_dictionary.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_bidi_in_dictionary_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_in_dictionary_foo $mol_object
 	event *
 		click? <=> run? null

view/tree2/to/js/test/ex/bidi_indexed.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_indexed_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_indexed_foo $mol_object
 	indexed*? <=> owner*? null

view/tree2/to/js/test/ex/bidi_indexed_second_level.view.tree

@@ -1,5 +1,5 @@
-$mol_view_tree2_to_js_test_ex_bidi_indexed_second_level_bar $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_indexed_second_level_bar $mol_object
 	expanded \
-$mol_view_tree2_to_js_test_ex_bidi_indexed_second_level_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_indexed_second_level_foo $mol_object
 	indexed*? $mol_view_tree2_to_js_test_ex_bidi_indexed_second_level_bar
 		expanded <=> owner*? \w

view/tree2/to/js/test/ex/bidi_legacy_value.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_legacy_value_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_legacy_value_foo $mol_object
 	a?v <=> b?v 1

view/tree2/to/js/test/ex/bidi_localized_default_value.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_localized_default_value_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_localized_default_value_foo $mol_object
 	a? <=> b? @ \some1

view/tree2/to/js/test/ex/bidi_localized_in_object.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_bidi_localized_in_object_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_localized_in_object_foo $mol_object
 	obj *
 		loc? <=> outer? @ \test1

view/tree2/to/js/test/ex/bidi_with_default_object.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_bidi_with_default_object_foo $mol_view
-	class? <=> owner? $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_with_default_object_foo $mol_object
+	class? <=> owner? $mol_object

view/tree2/to/js/test/ex/bidi_with_separate_default_in_right_part.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_bidi_with_separate_default_in_right_part_foo $mol_view
+$mol_view_tree2_to_js_test_ex_bidi_with_separate_default_in_right_part_foo $mol_object
 	b? false
 	a? <=> b?

view/tree2/to/js/test/ex/klass.ts

@@ -1,5 +1,5 @@
 namespace $ {
 	export class $mol_view_tree2_to_js_test_ex_klass_tuple {
-		constructor(readonly tuple: readonly string[]) {}
+		constructor(readonly tuple: readonly string[] = []) {}
 	}
 }

view/tree2/to/js/test/ex/left_chaining.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_left_chaining_foo $mol_view
+$mol_view_tree2_to_js_test_ex_left_chaining_foo $mol_object
 	a <= b <= c? 0

view/tree2/to/js/test/ex/left_in_array_and_object.view.tree

@@ -1,6 +1,6 @@
-$mol_view_tree2_to_js_test_ex_left_in_array_and_object_bar $mol_view
+$mol_view_tree2_to_js_test_ex_left_in_array_and_object_bar $mol_object
 	rows /
-$mol_view_tree2_to_js_test_ex_left_in_array_and_object_foo $mol_view
+$mol_view_tree2_to_js_test_ex_left_in_array_and_object_foo $mol_object
 	obj *
 		prop <= Obj
 	arr /

view/tree2/to/js/test/ex/left_read_only.view.tree

@@ -1,2 +1,2 @@
-$mol_view_tree2_to_js_test_ex_left_read_only_foo $mol_view
+$mol_view_tree2_to_js_test_ex_left_read_only_foo $mol_object
 	bar1 <= bar2? 1

view/tree2/to/js/test/ex/left_second_level_index.view.tree

@@ -1,6 +1,6 @@
-$mol_view_tree2_to_js_test_ex_left_second_level_index_bar $mol_view
+$mol_view_tree2_to_js_test_ex_left_second_level_index_bar $mol_object
 	localized \
 
-$mol_view_tree2_to_js_test_ex_left_second_level_index_foo $mol_view
+$mol_view_tree2_to_js_test_ex_left_second_level_index_foo $mol_object
 	cls* <= owner*? $mol_view_tree2_to_js_test_ex_left_second_level_index_bar
 		localized <= some*? @ \v1

view/tree2/to/js/test/ex/left_with_separate_default_and_comment.view.tree

@@ -1,6 +1,6 @@
-$mol_view_tree2_to_js_test_ex_left_with_separate_default_and_comment_bar $mol_view
+$mol_view_tree2_to_js_test_ex_left_with_separate_default_and_comment_bar $mol_object
 	rows /
-$mol_view_tree2_to_js_test_ex_left_with_separate_default_and_comment_foo $mol_view
+$mol_view_tree2_to_js_test_ex_left_with_separate_default_and_comment_foo $mol_object
 	content 123
 	Obj $mol_view_tree2_to_js_test_ex_left_with_separate_default_and_comment_bar
 		rows / <= content - 321

view/tree2/to/js/test/ex/right_in_left_bind.view.tree

@@ -1,5 +1,5 @@
-$mol_view_tree2_to_js_test_ex_right_in_left_foo $mol_view
+$mol_view_tree2_to_js_test_ex_right_in_left_foo $mol_object
 	a null
-$mol_view_tree2_to_js_test_ex_right_in_left_bar $mol_view
+$mol_view_tree2_to_js_test_ex_right_in_left_bar $mol_object
 	foo <= Cls $mol_view_tree2_to_js_test_ex_right_in_left_foo
 		a => b

view/tree2/to/js/test/ex/right_indexed.view.tree

@@ -1,6 +1,6 @@
-$mol_view_tree2_to_js_test_ex_right_indexed_foo $mol_view
+$mol_view_tree2_to_js_test_ex_right_indexed_foo $mol_object
 	a? *
 		some 123
-$mol_view_tree2_to_js_test_ex_right_indexed_bar $mol_view
+$mol_view_tree2_to_js_test_ex_right_indexed_bar $mol_object
 	Cls* $mol_view_tree2_to_js_test_ex_right_indexed_foo
 		a => b*

view/tree2/to/js/test/ex/right_read_only.view.tree

@@ -1,5 +1,5 @@
-$mol_view_tree2_to_js_test_ex_right_read_only_foo $mol_view
+$mol_view_tree2_to_js_test_ex_right_read_only_foo $mol_object
 	a*? null
-$mol_view_tree2_to_js_test_ex_right_read_only_bar $mol_view
+$mol_view_tree2_to_js_test_ex_right_read_only_bar $mol_object
 	Obj $mol_view_tree2_to_js_test_ex_right_read_only_foo
 		a*? => b*?

view/tree2/to/js/test/ex/simple_default_indexed.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_simple_default_indexed_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_default_indexed_foo $mol_object
 	a_b*? 0
 	legacy*k?v 0

view/tree2/to/js/test/ex/simple_empty_class.view.tree

@@ -1 +1 @@
-$mol_view_tree2_to_js_test_ex_simple_empty_class_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_empty_class_foo $mol_object

view/tree2/to/js/test/ex/simple_factory_props.view.tree

@@ -1,9 +1,9 @@
-$mol_view_tree2_to_js_test_ex_simple_factory_props_bar $mol_view
+$mol_view_tree2_to_js_test_ex_simple_factory_props_bar $mol_object
 	sub /number
 	loc \v2
 	some false
 
-$mol_view_tree2_to_js_test_ex_simple_factory_props_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_factory_props_foo $mol_object
 	button $mol_view_tree2_to_js_test_ex_simple_factory_props_bar
 		some true
 		loc @ \v1

view/tree2/to/js/test/ex/simple_mutable_and_read_only.view.tree

@@ -1,3 +1,3 @@
-$mol_view_tree2_to_js_test_ex_simple_mutable_and_read_only_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_mutable_and_read_only_foo $mol_object
 	readonly null
 	mutable? null

view/tree2/to/js/test/ex/simple_nan.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_simple_nan_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_nan_foo $mol_object
 	a NaN
 	b +NaN
 	c -NaN

view/tree2/to/js/test/ex/simple_string.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_simple_string_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_string_foo $mol_object
 	hardcoded \
 		\First
 		\Second

view/tree2/to/js/test/ex/simple_two_classes.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_simple_two_classes_foo $mol_view
+$mol_view_tree2_to_js_test_ex_simple_two_classes_foo $mol_object
 	str \some
 $mol_view_tree2_to_js_test_ex_simple_two_classes_bar $mol_view_tree2_to_js_test_ex_simple_two_classes_foo
 	str \some2

view/tree2/to/js/test/ex/structural.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_foo $mol_object
 	bar *
 		alpha 1
 		beta *

view/tree2/to/js/test/ex/structural_complex_key.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_complex_key_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_complex_key_foo $mol_object
 	dictionary *
 		\raw data key
 			\1

view/tree2/to/js/test/ex/structural_dict.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_dict_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_dict_foo $mol_object
 	bar *
 		alpha 1
 		beta \a

view/tree2/to/js/test/ex/structural_localized_prop_value.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_localized_prop_value_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_localized_prop_value_foo $mol_object
 	bar *
 		loc @ \\v1
 		baz *

view/tree2/to/js/test/ex/structural_quoted_props.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_quoted_props_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_quoted_props_foo $mol_object
 	bar *
 		$a 1
 		b-t *

view/tree2/to/js/test/ex/structural_spread_other.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_spread_other_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_spread_other_foo $mol_object
 	test *
 		aaa 123
 	field *

view/tree2/to/js/test/ex/structural_with_inheritance.view.tree

@@ -1,4 +1,4 @@
-$mol_view_tree2_to_js_test_ex_structural_with_inheritance_foo $mol_view
+$mol_view_tree2_to_js_test_ex_structural_with_inheritance_foo $mol_object
 	field *
 		xxx 123
 		xxy \test

view/tree2/to/js/test/js.array.test.ts

@@ -84,6 +84,16 @@ namespace $ {
 			const _foo = $mol_view_tree2_to_js_test_ex_array_constructor_tuple_foo
 			const foo = _foo.make({ $ })
 
+			type a0 = $mol_type_assert<
+				ReturnType<typeof foo['text_blob']>,
+				$mol_view_tree2_to_js_test_ex_klass_tuple
+			>
+
+			type a1 = $mol_type_assert<
+				ReturnType<typeof foo['blobs']>,
+				readonly $mol_view_tree2_to_js_test_ex_klass_tuple[]
+			>
+
 			$mol_assert_like(
 				foo.text_blob().tuple,
 				[ '123' ]

view/tree2/to/js/test/js.bidi.test.ts

@@ -151,8 +151,8 @@ namespace $ {
 		// 'Bidi bind index from outer scope throws error'( $ ) {
 		// 	$mol_assert_fail(() => {
 		// 		$mol_view_tree2_to_js_test_run(`
-		// 			Foo $mol_view
-		// 				a*? $mol_view
+		// 			Foo $mol_object
+		// 				a*? $mol_object
 		// 					expanded <=> cell_test_expanded*? null
 		// 		`)
 		// 	})
@@ -161,7 +161,7 @@ namespace $ {
 		'Bidi bind with default object'( $ ) {
 			const _foo = $mol_view_tree2_to_js_test_ex_bidi_with_default_object_foo
 			const foo = _foo.make({ $ })
-			const view = new $mol_view
+			const view = new $mol_object
 			foo.owner(view)
 
 			$mol_assert_like(

view/tree2/to/js/test/js.left.test.ts

@@ -28,7 +28,7 @@ namespace $ {
 			const _foo = $mol_view_tree2_to_js_test_ex_left_second_level_index_foo
 			const foo = _foo.make({ $ })
 
-			$mol_assert_ok(foo.owner(1) instanceof $mol_view)
+			$mol_assert_ok(foo.owner(1) instanceof $mol_object)
 			$mol_assert_like(
 				foo.some(1),
 				foo.some(1),

view/tree2/to/js/test/js.simple.test.ts

@@ -69,14 +69,14 @@ namespace $ {
 		'simple empty legacy indexed channel throws error'( $ ) {
 			$mol_assert_fail(() => {
 				$mol_view_tree2_to_js_test_run(`
-					Foo $mol_view
+					Foo $mol_object
 						a!? null
 				`)
 			})
 
 			$mol_assert_fail(() => {
 				$mol_view_tree2_to_js_test_run(`
-					Foo $mol_view
+					Foo $mol_object
 						b! 1
 				`)
 			})
@@ -97,8 +97,8 @@ namespace $ {
 
 		'simple commented node'( $ ) {
 			const { Foo } = $mol_view_tree2_to_js_test_run(`
-				- Foo $mol_view
-					a!? $mol_view
+				- Foo $mol_object
+					a!? $mol_object
 						expanded <=> cell_test_expanded!? null
 			`)
 			$mol_assert_ok(Foo === undefined)
@@ -136,7 +136,7 @@ namespace $ {
 		'extra char' ($) {
 			$mol_assert_fail(() => {
 				$mol_view_tree2_to_js_test_run(`
-					Foo $mol_view
+					Foo $mol_object
 						item_чount 50
 				`)
 			})

view/tree2/to/js/test/run.ts

@@ -20,7 +20,7 @@ namespace $ {
 
 	export function $mol_view_tree2_to_js_test_run( tree: string ): any {
 		class $mol_view_mock extends $mol_object {}
-		const $ = { $mol_view: $mol_view_mock }
+		const $ = { $mol_object: $mol_view_mock }
 		;( $mol_view_mock as any )[$mol_ambient_ref] = $
 
 		const name = $mol_view_tree2_to_js_test_id(2, true)