From 91881b7cd362eed7bf28e09ad2ca0d40a36f1d9b Mon Sep 17 00:00:00 2001
From: Yusuke Tanaka <tanaka.yusuke@stadium.co.jp>
Date: Fri, 19 Feb 2021 21:18:16 +0900
Subject: fix: lint and fmt error if no target files are found (#9527)

---
 cli/tools/fmt.rs  | 8 +++++++-
 cli/tools/lint.rs | 9 ++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'cli/tools')

diff --git a/cli/tools/fmt.rs b/cli/tools/fmt.rs
index d4002984a..6afcb90af 100644
--- a/cli/tools/fmt.rs
+++ b/cli/tools/fmt.rs
@@ -37,7 +37,13 @@ pub async fn format(
 ) -> Result<(), AnyError> {
   let target_file_resolver = || {
     // collect the files that are to be formatted
-    collect_files(&args, &ignore, is_supported_ext_fmt)
+    collect_files(&args, &ignore, is_supported_ext_fmt).and_then(|files| {
+      if files.is_empty() {
+        Err(generic_error("No target files found."))
+      } else {
+        Ok(files)
+      }
+    })
   };
   let operation = |paths: Vec<PathBuf>| {
     let config = get_typescript_config();
diff --git a/cli/tools/lint.rs b/cli/tools/lint.rs
index 165f32233..2f31c88d6 100644
--- a/cli/tools/lint.rs
+++ b/cli/tools/lint.rs
@@ -47,7 +47,14 @@ pub async fn lint_files(
   if args.len() == 1 && args[0].to_string_lossy() == "-" {
     return lint_stdin(json);
   }
-  let target_files = collect_files(&args, &ignore, is_supported_ext)?;
+  let target_files =
+    collect_files(&args, &ignore, is_supported_ext).and_then(|files| {
+      if files.is_empty() {
+        Err(generic_error("No target files found."))
+      } else {
+        Ok(files)
+      }
+    })?;
   debug!("Found {} files", target_files.len());
   let target_files_len = target_files.len();
 
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