fix(lsp): increase default max heap size to 3Gb (#19115)

1 files changed, 12 insertions, 3 deletions

diff --git a/cli/util/v8.rs b/cli/util/v8.rs
index 6afaf285e..93a2ef83f 100644
--- a/cli/util/v8.rs
+++ b/cli/util/v8.rs
@@ -10,17 +10,26 @@ pub fn get_v8_flags_from_env() -> Vec<String> {
 
 #[inline(always)]
 pub fn construct_v8_flags(
+  default_v8_flags: &[String],
   v8_flags: &[String],
   env_v8_flags: Vec<String>,
 ) -> Vec<String> {
   std::iter::once("UNUSED_BUT_NECESSARY_ARG0".to_owned())
+    .chain(default_v8_flags.iter().cloned())
     .chain(env_v8_flags.into_iter())
     .chain(v8_flags.iter().cloned())
     .collect::<Vec<_>>()
 }
 
-pub fn init_v8_flags(v8_flags: &[String], env_v8_flags: Vec<String>) {
-  if v8_flags.is_empty() && env_v8_flags.is_empty() {
+pub fn init_v8_flags(
+  default_v8_flags: &[String],
+  v8_flags: &[String],
+  env_v8_flags: Vec<String>,
+) {
+  if default_v8_flags.is_empty()
+    && v8_flags.is_empty()
+    && env_v8_flags.is_empty()
+  {
     return;
   }
 
@@ -29,7 +38,7 @@ pub fn init_v8_flags(v8_flags: &[String], env_v8_flags: Vec<String>) {
     .chain(v8_flags)
     .any(|flag| flag == "-help" || flag == "--help");
   // Keep in sync with `standalone.rs`.
-  let v8_flags = construct_v8_flags(v8_flags, env_v8_flags);
+  let v8_flags = construct_v8_flags(default_v8_flags, v8_flags, env_v8_flags);
   let unrecognized_v8_flags = deno_core::v8_set_flags(v8_flags)
     .into_iter()
     .skip(1)