chore: temp fix for tools/format.js (#21360)

Author: dsherret

cli/Cargo.toml

@@ -82,9 +82,9 @@ data-url.workspace = true
 dissimilar = "=1.0.4"
 dotenvy = "0.15.7"
 dprint-plugin-json = "=0.19.1"
+dprint-plugin-jupyter = "=0.1.1"
 dprint-plugin-markdown = "=0.16.3"
 dprint-plugin-typescript = "=0.88.5"
-dprint-plugin-jupyter = "=0.1.1"
 encoding_rs.workspace = true
 env_logger = "=0.10.0"
 fancy-regex = "=0.10.0"

tools/format.js

@@ -14,9 +14,17 @@ const cmd = new Deno.Command("deno", {
     "--config=" + configFile,
   ],
   cwd: ROOT_PATH,
-  stdout: "inherit",
+  stdout: "piped",
   stderr: "inherit",
 });
 
-const { code } = await cmd.output();
-Deno.exit(code);
+const { code, stdout } = await cmd.output();
+// todo(dsherret): temporary until https://github.com/denoland/deno/pull/21359 gets released.
+// Once it's released, just have stdout be inherited above and do `Deno.exit(code)` here.
+const stdoutText = new TextDecoder().decode(stdout);
+console.log(stdoutText);
+if (stdoutText.length > 0) {
+  Deno.exit(20);
+} else {
+  Deno.exit(code);
+}