v.gen.js: fix method calls and other codegen parts, rand module compiles (#11205)

vlib/time/parse.js.v

@@ -0,0 +1,24 @@
+module time
+
+// parse returns time from a date string.
+//
+// TODO(playX): JS Date expects iso8061 format of strings and other formats
+// are implementation dependant, we probably want to implement parsing in JS.
+pub fn parse(s string) Time {
+	mut res := Time{}
+	#let date = new Date(s.str)
+	#res.year.val = date.getFullYear()
+	#res.month.val = date.getMonth()
+	#res.day.val = date.getDay()
+	#res.hour.val = date.getHours()
+	#res.minute.val = date.getMinutes()
+	#res.second.val = date.getSeconds()
+	#res.microsecond.val = date.getMilliseconds() * 1000
+	#res.unix.val = (date.getTime() / 1000).toFixed(0)
+
+	return res
+}
+
+pub fn parse_iso8601(s string) ?Time {
+	return parse(s)
+}