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fix(cli): support "deno run --v8-flags=--help" without script (#8110)

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Max Drosdo.www 2020-11-22 01:33:42 +03:00 committed by GitHub
parent a4f27c4d57
commit 686a17fc07
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1 changed files with 9 additions and 7 deletions
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16
cli/flags.rs
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@ -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()