1 files changed, 61 insertions, 0 deletions
diff --git a/v_windows/v/vlib/builtin/js/builtin.js.v b/v_windows/v/vlib/builtin/js/builtin.js.v
new file mode 100644
index 0000000..f64da00
--- /dev/null
+++ b/v_windows/v/vlib/builtin/js/builtin.js.v
@@ -0,0 +1,61 @@
+module builtin
+
+// used to generate JS throw statements.
+pub fn js_throw(s any) {
+	#throw s
+}
+
+pub fn println(s string) {
+	$if js_freestanding {
+		#print(s.str)
+	} $else {
+		#console.log(s.str)
+	}
+}
+
+pub fn print(s string) {
+	$if js_node {
+		#$process.stdout.write(s.str)
+	} $else {
+		panic('Cannot `print` in a browser, use `println` instead')
+	}
+}
+
+pub fn eprintln(s string) {
+	$if js_freestanding {
+		#print(s.str)
+	} $else {
+		#console.error(s.str)
+	}
+}
+
+pub fn eprint(s string) {
+	$if js_node {
+		#$process.stderr.write(s.str)
+	} $else {
+		panic('Cannot `eprint` in a browser, use `println` instead')
+	}
+}
+
+// Exits the process in node, and halts execution in the browser
+// because `process.exit` is undefined. Workaround for not having
+// a 'real' way to exit in the browser.
+pub fn exit(c int) {
+	JS.process.exit(c)
+	js_throw('exit($c)')
+}
+
+fn opt_ok(data voidptr, option Option) {
+	#option.state = 0
+	#option.err = none__
+	#option.data = data
+}
+
+pub fn unwrap(opt string) string {
+	mut o := Option{}
+	#o = opt
+	if o.state != 0 {
+		js_throw(o.err)
+	}
+	return opt
+}