fix(lsp): add a document preload file system entry limit (#18553)

I was testing this out and it's badly needed. For now, it's not
configurable and limited to 1,000 file system entries.

Related to #18538

cli/lsp/config.rs

@@ -485,8 +485,12 @@ impl Config {
  .unwrap_or_else(|| self.settings.workspace.enable)
  }
 
- /// Gets the root directories or file paths based on the workspace config.
- pub fn enabled_root_urls(&self) -> Vec<Url> {
+ /// Gets the directories or specifically enabled file paths based on the
+ /// workspace config.
+ ///
+ /// WARNING: This may incorrectly have some directory urls as being
+ /// represented as file urls.
+ pub fn enabled_urls(&self) -> Vec<Url> {
  let mut urls: Vec<Url> = Vec::new();
 
  if !self.settings.workspace.enable && self.enabled_paths.is_empty() {
@@ -501,12 +505,15 @@ impl Config {
  urls.push(workspace.clone());
  }
  }
+
  if urls.is_empty() {
  if let Some(root_dir) = &self.root_uri {
  urls.push(root_dir.clone())
  }
  }
- sort_and_remove_non_leaf_urls(&mut urls);
+
+ // sort for determinism
+ urls.sort();
  urls
  }
 
@@ -646,26 +653,12 @@ impl Config {
  }
 }
 
-/// Removes any URLs that are a descendant of another URL in the collection.
-fn sort_and_remove_non_leaf_urls(dirs: &mut Vec<Url>) {
- if dirs.is_empty() {
- return;
- }
-
- dirs.sort();
- for i in (0..dirs.len() - 1).rev() {
- let prev = &dirs[i + 1];
- if prev.as_str().starts_with(dirs[i].as_str()) {
- dirs.remove(i + 1);
- }
- }
-}
-
 #[cfg(test)]
 mod tests {
  use super::*;
  use deno_core::resolve_url;
  use deno_core::serde_json::json;
+ use pretty_assertions::assert_eq;
 
  #[test]
  fn test_config_specifier_enabled() {
@@ -827,41 +820,16 @@ mod tests {
  }
 
  #[test]
- fn test_sort_and_remove_non_leaf_urls() {
- fn run_test(dirs: Vec<&str>, expected_output: Vec<&str>) {
- let mut dirs = dirs
- .into_iter()
- .map(|dir| Url::parse(dir).unwrap())
- .collect();
- sort_and_remove_non_leaf_urls(&mut dirs);
- let dirs: Vec<_> = dirs.iter().map(|dir| dir.as_str()).collect();
- assert_eq!(dirs, expected_output);
- }
-
- run_test(
- vec![
- "file:https:///test/asdf/test/asdf/",
- "file:https:///test/asdf/",
- "file:https:///test/asdf/",
- "file:https:///testing/456/893/",
- "file:https:///testing/456/893/test/",
- ],
- vec!["file:https:///test/asdf/", "file:https:///testing/456/893/"],
- );
- run_test(vec![], vec![]);
- }
-
- #[test]
- fn config_enabled_root_urls() {
+ fn config_enabled_urls() {
  let mut config = Config::new();
  let root_dir = Url::parse("file:https:///example/").unwrap();
  config.root_uri = Some(root_dir.clone());
  config.settings.workspace.enable = false;
  config.settings.workspace.enable_paths = Vec::new();
- assert_eq!(config.enabled_root_urls(), vec![]);
+ assert_eq!(config.enabled_urls(), vec![]);
 
  config.settings.workspace.enable = true;
- assert_eq!(config.enabled_root_urls(), vec![root_dir]);
+ assert_eq!(config.enabled_urls(), vec![root_dir]);
 
  config.settings.workspace.enable = false;
  let root_dir1 = Url::parse("file:https:///root1/").unwrap();
@@ -871,8 +839,8 @@ mod tests {
  (
  root_dir1.clone(),
  vec![
- root_dir1.join("sub_dir").unwrap(),
- root_dir1.join("sub_dir/other").unwrap(),
+ root_dir1.join("sub_dir/").unwrap(),
+ root_dir1.join("sub_dir/other/").unwrap(),
  root_dir1.join("test.ts").unwrap(),
  ],
  ),
@@ -881,9 +849,10 @@ mod tests {
  ]);
 
  assert_eq!(
- config.enabled_root_urls(),
+ config.enabled_urls(),
  vec![
- root_dir1.join("sub_dir").unwrap(),
+ root_dir1.join("sub_dir/").unwrap(),
+ root_dir1.join("sub_dir/other/").unwrap(),
  root_dir1.join("test.ts").unwrap(),
  root_dir2.join("other.ts").unwrap(),
  root_dir3