From 093e81b9a7243ceb23292920345a15a691f7a51d Mon Sep 17 00:00:00 2001
From: Daniel Imms <2193314+Tyriar@users.noreply.github.com>
Date: Sat, 2 May 2026 06:07:41 -0700
Subject: [PATCH] Fix build, lint

---
 src/common/buffer/Buffer.test.ts           |  2 +-
 src/common/buffer/BufferLineStringCache.ts | 11 +++++------
 src/headless/tsconfig.json                 |  3 ++-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/common/buffer/Buffer.test.ts b/src/common/buffer/Buffer.test.ts
index 38fd513d3..abfea7b06 100644
--- a/src/common/buffer/Buffer.test.ts
+++ b/src/common/buffer/Buffer.test.ts
@@ -1199,7 +1199,7 @@ describe('Buffer', () => {
       let timeoutId = 0;
       let now = 0;
       const clearedTimeouts: number[] = [];
-      const scheduledTimeouts = new Map<number, { delay: number; fire: () => void }>();
+      const scheduledTimeouts = new Map<number, { delay: number, fire: () => void }>();
       (globalThis as any).setTimeout = ((handler: (...args: any[]) => void, timeout?: number) => {
         const id = ++timeoutId;
         scheduledTimeouts.set(id, {
diff --git a/src/common/buffer/BufferLineStringCache.ts b/src/common/buffer/BufferLineStringCache.ts
index 0918a66ba..b365eef70 100644
--- a/src/common/buffer/BufferLineStringCache.ts
+++ b/src/common/buffer/BufferLineStringCache.ts
@@ -5,11 +5,10 @@
 
 import type { IBufferLineStringCache, IBufferLineStringCacheEntry } from 'common/buffer/BufferLine';
 import { disposableTimeout } from 'common/Async';
-import { Disposable, MutableDisposable, toDisposable } from 'common/Lifecycle';
-import type { IDisposable } from 'common/Lifecycle';
+import { Disposable, MutableDisposable, toDisposable, type IDisposable } from 'common/Lifecycle';
 
 const enum Constants {
-  CacheTtlMs = 15000
+  CACHE_TTL_MS = 15000
 }
 
 export class BufferLineStringCache extends Disposable implements IBufferLineStringCache {
@@ -54,17 +53,17 @@ export class BufferLineStringCache extends Disposable implements IBufferLineStri
     if (this._clearTimeout.value) {
       return;
     }
-    this._scheduleClearTimeout(Constants.CacheTtlMs);
+    this._scheduleClearTimeout(Constants.CACHE_TTL_MS);
   }
 
   private _scheduleClearTimeout(timeoutMs: number): void {
     this._clearTimeout.value = disposableTimeout(() => {
       const elapsed = Date.now() - this._lastAccessTimestamp;
-      if (elapsed >= Constants.CacheTtlMs) {
+      if (elapsed >= Constants.CACHE_TTL_MS) {
         this.clear();
         return;
       }
-      this._scheduleClearTimeout(Constants.CacheTtlMs - elapsed);
+      this._scheduleClearTimeout(Constants.CACHE_TTL_MS - elapsed);
     }, timeoutMs);
   }
 }
diff --git a/src/headless/tsconfig.json b/src/headless/tsconfig.json
index 6ae7b1dc9..0c445bcfc 100644
--- a/src/headless/tsconfig.json
+++ b/src/headless/tsconfig.json
@@ -3,7 +3,8 @@
   "compilerOptions": {
     "lib": [
       "es2015",
-      "es2016.Array.Include"
+      "es2016.Array.Include",
+      "es2021.weakref"
     ],
     "outDir": "../../out",
     "types": [