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-rw-r--r--cli/flags.rs16
1 files changed, 9 insertions, 7 deletions
diff --git a/cli/flags.rs b/cli/flags.rs
index 7c38a25d8..81a113fb0 100644
--- a/cli/flags.rs
+++ b/cli/flags.rs
@@ -1199,6 +1199,13 @@ Directory arguments are expanded to all contained files matching the glob
fn script_arg<'a, 'b>() -> Arg<'a, 'b> {
Arg::with_name("script_arg")
.multiple(true)
+ // NOTE: these defaults are provided
+ // so `deno run --v8-flags=--help` works
+ // without specifying file to run.
+ .default_value_ifs(&[
+ ("v8-flags", Some("--help"), "_"),
+ ("v8-flags", Some("-help"), "_"),
+ ])
.help("Script arg")
.value_name("SCRIPT_ARG")
}
@@ -1646,17 +1653,12 @@ mod tests {
#[test]
fn run_v8_flags() {
- let r = flags_from_vec_safe(svec![
- "deno",
- "run",
- "--v8-flags=--help",
- "script.ts"
- ]);
+ let r = flags_from_vec_safe(svec!["deno", "run", "--v8-flags=--help"]);
assert_eq!(
r.unwrap(),
Flags {
subcommand: DenoSubcommand::Run {
- script: "script.ts".to_string(),
+ script: "_".to_string(),
},
v8_flags: Some(svec!["--help"]),
..Flags::default()