fix(core): don't panic on invalid arguments for Deno.core.print (deno…

…land#9834)

core/bindings.rs

@@ -315,16 +315,19 @@ fn print(
  _rv: v8::ReturnValue,
 ) {
  let arg_len = args.length();
- assert!((0..=2).contains(&arg_len));
+ if !(0..=2).contains(&arg_len) {
+ return throw_type_error(scope, "Expected a maximum of 2 arguments.");
+ }
 
  let obj = args.get(0);
  let is_err_arg = args.get(1);
 
  let mut is_err = false;
  if arg_len == 2 {
- let int_val = is_err_arg
- .integer_value(scope)
- .expect("Unable to convert to integer");
+ let int_val = match is_err_arg.integer_value(scope) {
+ Some(v) => v,
+ None => return throw_type_error(scope, "Invalid arugment. Argument 2 should indicate wheter or not to print to stderr."),
+ };
  is_err = int_val != 0;
  };
  let tc_scope = &mut v8::TryCatch::new(scope);