feat(cli): add "--no-clear-screen" flag (#13454)

This commit adds "--no-clear-screen" flag which can be used
with "--watch" flag to disable clearing of terminal screen on
each file change.

1 files changed, 20 insertions, 8 deletions

diff --git a/cli/tools/lint.rs b/cli/tools/lint.rs
index b103550e2..74c5540fc 100644
--- a/cli/tools/lint.rs
+++ b/cli/tools/lint.rs
@@ -8,9 +8,10 @@
 //! the same functions as ops available in JS runtime.
 use crate::config_file::LintConfig;
 use crate::file_watcher::ResolutionResult;
-use crate::flags::LintFlags;
+use crate::flags::{Flags, LintFlags};
 use crate::fmt_errors;
 use crate::fs_util::{collect_files, is_supported_ext, specifier_to_file_path};
+use crate::proc_state::ProcState;
 use crate::tools::fmt::run_parallelized;
 use crate::{colors, file_watcher};
 use deno_ast::MediaType;
@@ -48,11 +49,7 @@ fn create_reporter(kind: LintReporterKind) -> Box<dyn LintReporter + Send> {
   }
 }
 
-pub async fn lint(
-  maybe_lint_config: Option<LintConfig>,
-  lint_flags: LintFlags,
-  watch: bool,
-) -> Result<(), AnyError> {
+pub async fn lint(flags: Flags, lint_flags: LintFlags) -> Result<(), AnyError> {
   let LintFlags {
     maybe_rules_tags,
     maybe_rules_include,
@@ -69,6 +66,13 @@ pub async fn lint(
   let mut include_files = args.clone();
   let mut exclude_files = ignore.clone();
 
+  let ps = ProcState::build(flags.clone()).await?;
+  let maybe_lint_config = if let Some(config_file) = &ps.maybe_config_file {
+    config_file.to_lint_config()?
+  } else {
+    None
+  };
+
   if let Some(lint_config) = maybe_lint_config.as_ref() {
     if include_files.is_empty() {
       include_files = lint_config
@@ -166,13 +170,21 @@ pub async fn lint(
 
     Ok(())
   };
-  if watch {
+  if flags.watch.is_some() {
     if args.len() == 1 && args[0].to_string_lossy() == "-" {
       return Err(generic_error(
         "Lint watch on standard input is not supported.",
       ));
     }
-    file_watcher::watch_func(resolver, operation, "Lint").await?;
+    file_watcher::watch_func(
+      resolver,
+      operation,
+      file_watcher::PrintConfig {
+        job_name: "Lint".to_string(),
+        clear_screen: !flags.no_clear_screen,
+      },
+    )
+    .await?;
   } else {
     if args.len() == 1 && args[0].to_string_lossy() == "-" {
       let reporter_lock =