Fix release declaration build with TypeScript 6

.github/workflows/release.yml

@@ -45,7 +45,7 @@ jobs:
         run: npm install --ignore-scripts
 
       - name: Prepare package
-        run: npx -p typescript tsc --declaration --emitDeclarationOnly --allowJs --checkJs --downlevelIteration --module nodenext --moduleResolution nodenext --target es2022 --outDir . index.js
+        run: npx -p typescript tsc --declaration --emitDeclarationOnly --allowJs --checkJs --module nodenext --moduleResolution nodenext --target es2022 --outDir . index.js
 
       - name: Upload package artifact
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4

index.js

@@ -1,5 +1,14 @@
 // Borrowed/modified from https://github.com/jenseng/abuse-the-platform/blob/2993a7e846c95ace693ce61626fa072174c8d9c7/app/utils/singleton.ts
 
+/**
+ * @returns {Map<string, unknown>}
+ */
+function getRememberMap() {
+	/** @type {typeof globalThis & { __remember_epic_web?: Map<string, unknown> }} */
+	const thusly = globalThis
+	return (thusly.__remember_epic_web ??= new Map())
+}
+
 /**
  * Remembers and retrieves a value by a given name, or the value generated by `getValue` if the name doesn't exist.
  * The return type is inferred from the return type of `getValue`.
@@ -10,12 +19,11 @@
  * @returns {Value} - The remembered value.
  */
 export function remember(name, getValue) {
-	const thusly = globalThis
-	thusly.__remember_epic_web ??= new Map()
-	if (!thusly.__remember_epic_web.has(name)) {
-		thusly.__remember_epic_web.set(name, getValue())
+	const rememberMap = getRememberMap()
+	if (!rememberMap.has(name)) {
+		rememberMap.set(name, getValue())
 	}
-	return thusly.__remember_epic_web.get(name)
+	return /** @type {Value} */ (rememberMap.get(name))
 }
 
 /**
@@ -25,7 +33,5 @@ export function remember(name, getValue) {
  * @return {boolean} - A remembered value existed and has been forgotten.
  */
 export function forget(name) {
-	const thusly = globalThis
-	thusly.__remember_epic_web ??= new Map()
-	return thusly.__remember_epic_web.delete(name)
+	return getRememberMap().delete(name)
 }