fix(doc): require source files if --html or --lint used (#21072)

Fixes https://github.com/denoland/deno/issues/21067
Fixes https://github.com/denoland/deno/issues/21070

1 files changed, 9 insertions, 1 deletions

diff --git a/cli/args/flags.rs b/cli/args/flags.rs
index fa1534e0c..82a536e47 100644
--- a/cli/args/flags.rs
+++ b/cli/args/flags.rs
@@ -1480,7 +1480,8 @@ Show documentation for runtime built-ins:
           Arg::new("source_file")
             .num_args(1..)
             .action(ArgAction::Append)
-            .value_hint(ValueHint::FilePath),
+            .value_hint(ValueHint::FilePath)
+            .required_if_eq_any([("html", "true"), ("lint", "true")]),
         )
     })
 }
@@ -7541,6 +7542,10 @@ mod tests {
       }
     );
 
+    let r =
+      flags_from_vec(svec!["deno", "doc", "--html", "--name=My library",]);
+    assert!(r.is_err());
+
     let r = flags_from_vec(svec![
       "deno",
       "doc",
@@ -7677,6 +7682,9 @@ mod tests {
       }
     );
 
+    let r = flags_from_vec(svec!["deno", "doc", "--lint",]);
+    assert!(r.is_err());
+
     let r = flags_from_vec(svec![
       "deno",
       "doc",