Type definitions for 'Symbols as WeakMap keys' (#76) (#54195)

Signed-off-by: Leo Elmecker <lelmeckerpla@bloomberg.net>

src/compiler/commandLineParser.ts

@@ -212,7 +212,9 @@ const libEntries: [string, string][] = [
     ["es2022.string", "lib.es2022.string.d.ts"],
     ["es2022.regexp", "lib.es2022.regexp.d.ts"],
     ["es2023.array", "lib.es2023.array.d.ts"],
+    ["es2023.collection", "lib.es2023.collection.d.ts"],
     ["esnext.array", "lib.es2023.array.d.ts"],
+    ["esnext.collection", "lib.es2023.collection.d.ts"],
     ["esnext.symbol", "lib.es2019.symbol.d.ts"],
     ["esnext.asynciterable", "lib.es2018.asynciterable.d.ts"],
     ["esnext.intl", "lib.esnext.intl.d.ts"],

src/harness/fourslashInterfaceImpl.ts

@@ -1225,6 +1225,8 @@ export namespace Completion {
         varEntry("Float64Array"),
         interfaceEntry("Float64ArrayConstructor"),
         moduleEntry("Intl"),
+        typeEntry("WeakKey"),
+        interfaceEntry("WeakKeyTypes"),
     ];
 
     export const globalThisEntry: ExpectedCompletionEntry = {

src/lib/es2015.collection.d.ts

@@ -42,7 +42,7 @@ interface ReadonlyMap<K, V> {
     readonly size: number;
 }
 
-interface WeakMap<K extends object, V> {
+interface WeakMap<K extends WeakKey, V> {
     /**
      * Removes the specified element from the WeakMap.
      * @returns true if the element was successfully removed, or false if it was not present.
@@ -58,14 +58,14 @@ interface WeakMap<K extends object, V> {
     has(key: K): boolean;
     /**
      * Adds a new element with a specified key and value.
-     * @param key Must be an object.
+     * @param key Must be an object or symbol.
      */
     set(key: K, value: V): this;
 }
 
 interface WeakMapConstructor {
-    new <K extends object = object, V = any>(entries?: readonly (readonly [K, V])[] | null): WeakMap<K, V>;
-    readonly prototype: WeakMap<object, any>;
+    new <K extends WeakKey = WeakKey, V = any>(entries?: readonly [K, V][] | null): WeakMap<K, V>;
+    readonly prototype: WeakMap<WeakKey, any>;
 }
 declare var WeakMap: WeakMapConstructor;
 
@@ -107,9 +107,9 @@ interface ReadonlySet<T> {
     readonly size: number;
 }
 
-interface WeakSet<T extends object> {
+interface WeakSet<T extends WeakKey> {
     /**
-     * Appends a new object to the end of the WeakSet.
+     * Appends a new value to the end of the WeakSet.
      */
     add(value: T): this;
     /**
@@ -118,13 +118,13 @@ interface WeakSet<T extends object> {
      */
     delete(value: T): boolean;
     /**
-     * @returns a boolean indicating whether an object exists in the WeakSet or not.
+     * @returns a boolean indicating whether a value exists in the WeakSet or not.
      */
     has(value: T): boolean;
 }
 
 interface WeakSetConstructor {
-    new <T extends object = object>(values?: readonly T[] | null): WeakSet<T>;
-    readonly prototype: WeakSet<object>;
+    new <T extends WeakKey = WeakKey>(values?: readonly T[] | null): WeakSet<T>;
+    readonly prototype: WeakSet<WeakKey>;
 }
 declare var WeakSet: WeakSetConstructor;

src/lib/es2015.iterable.d.ts

@@ -141,10 +141,10 @@ interface MapConstructor {
     new <K, V>(iterable?: Iterable<readonly [K, V]> | null): Map<K, V>;
 }
 
-interface WeakMap<K extends object, V> { }
+interface WeakMap<K extends WeakKey, V> { }
 
 interface WeakMapConstructor {
-    new <K extends object, V>(iterable: Iterable<readonly [K, V]>): WeakMap<K, V>;
+    new <K extends WeakKey, V>(iterable: Iterable<readonly [K, V]>): WeakMap<K, V>;
 }
 
 interface Set<T> {
@@ -189,10 +189,10 @@ interface SetConstructor {
     new <T>(iterable?: Iterable<T> | null): Set<T>;
 }
 
-interface WeakSet<T extends object> { }
+interface WeakSet<T extends WeakKey> { }
 
 interface WeakSetConstructor {
-    new <T extends object = object>(iterable: Iterable<T>): WeakSet<T>;
+    new <T extends WeakKey = WeakKey>(iterable: Iterable<T>): WeakSet<T>;
 }
 
 interface Promise<T> { }

src/lib/es2015.symbol.wellknown.d.ts

@@ -119,7 +119,7 @@ interface Map<K, V> {
     readonly [Symbol.toStringTag]: string;
 }
 
-interface WeakMap<K extends object, V> {
+interface WeakMap<K extends WeakKey, V> {
     readonly [Symbol.toStringTag]: string;
 }
 
@@ -127,7 +127,7 @@ interface Set<T> {
     readonly [Symbol.toStringTag]: string;
 }
 
-interface WeakSet<T extends object> {
+interface WeakSet<T extends WeakKey> {
     readonly [Symbol.toStringTag]: string;
 }
 

src/lib/es2021.weakref.d.ts

@@ -1,9 +1,10 @@
-interface WeakRef<T extends object> {
+interface WeakRef<T extends WeakKey> {
     readonly [Symbol.toStringTag]: "WeakRef";
 
     /**
-     * Returns the WeakRef instance's target object, or undefined if the target object has been
+     * Returns the WeakRef instance's target value, or undefined if the target value has been
      * reclaimed.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
      */
     deref(): T | undefined;
 }
@@ -12,10 +13,11 @@ interface WeakRefConstructor {
     readonly prototype: WeakRef<any>;
 
     /**
-     * Creates a WeakRef instance for the given target object.
-     * @param target The target object for the WeakRef instance.
+     * Creates a WeakRef instance for the given target value.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     * @param target The target value for the WeakRef instance.
      */
-    new<T extends object>(target: T): WeakRef<T>;
+    new<T extends WeakKey>(target: T): WeakRef<T>;
 }
 
 declare var WeakRef: WeakRefConstructor;
@@ -24,22 +26,23 @@ interface FinalizationRegistry<T> {
     readonly [Symbol.toStringTag]: "FinalizationRegistry";
 
     /**
-     * Registers an object with the registry.
-     * @param target The target object to register.
-     * @param heldValue The value to pass to the finalizer for this object. This cannot be the
-     * target object.
+     * Registers a value with the registry.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
+     * @param target The target value to register.
+     * @param heldValue The value to pass to the finalizer for this value. This cannot be the
+     * target value.
      * @param unregisterToken The token to pass to the unregister method to unregister the target
-     * object. If provided (and not undefined), this must be an object. If not provided, the target
-     * cannot be unregistered.
+     * value. If not provided, the target cannot be unregistered.
      */
-    register(target: object, heldValue: T, unregisterToken?: object): void;
+    register(target: WeakKey, heldValue: T, unregisterToken?: WeakKey): void;
 
     /**
-     * Unregisters an object from the registry.
+     * Unregisters a value from the registry.
+     * In es2023 the value can be either a symbol or an object, in previous versions only object is permissible.
      * @param unregisterToken The token that was used as the unregisterToken argument when calling
-     * register to register the target object.
+     * register to register the target value.
      */
-    unregister(unregisterToken: object): void;
+    unregister(unregisterToken: WeakKey): void;
 }
 
 interface FinalizationRegistryConstructor {
@@ -47,7 +50,7 @@ interface FinalizationRegistryConstructor {
 
     /**
      * Creates a finalization registry with an associated cleanup callback
-     * @param cleanupCallback The callback to call after an object in the registry has been reclaimed.
+     * @param cleanupCallback The callback to call after a value in the registry has been reclaimed.
      */
     new<T>(cleanupCallback: (heldValue: T) => void): FinalizationRegistry<T>;
 }

src/lib/es2023.collection.d.ts

@@ -0,0 +1,3 @@
+interface WeakKeyTypes {
+    symbol: symbol;
+}

src/lib/es2023.d.ts

@@ -1,2 +1,3 @@
 /// <reference lib="es2022" />
 /// <reference lib="es2023.array" />
+/// <reference lib="es2023.collection" />

src/lib/es5.d.ts

@@ -1647,6 +1647,15 @@ type Uncapitalize<S extends string> = intrinsic;
  */
 interface ThisType<T> { }
 
+/**
+ * Stores types to be used with WeakSet, WeakMap, WeakRef, and FinalizationRegistry
+ */
+interface WeakKeyTypes {
+    object: object;
+}
+
+type WeakKey = WeakKeyTypes[keyof WeakKeyTypes];
+
 /**
  * Represents a raw buffer of binary data, which is used to store data for the
  * different typed arrays. ArrayBuffers cannot be read from or written to directly,

src/lib/libs.json

@@ -66,6 +66,7 @@
         "es2022.string",
         "es2022.regexp",
         "es2023.array",
+        "es2023.collection",
         "esnext.intl",
         "decorators",
         "decorators.legacy",

tests/baselines/reference/acceptSymbolAsWeakType.js

@@ -0,0 +1,40 @@
+//// [tests/cases/compiler/acceptSymbolAsWeakType.ts] ////
+
+//// [acceptSymbolAsWeakType.ts]
+const s: symbol = Symbol('s');
+
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+
+const wr = new WeakRef(s);
+wr.deref();
+
+const f = new FinalizationRegistry(() => {});
+f.register(s, null);
+f.unregister(s);
+
+//// [acceptSymbolAsWeakType.js]
+"use strict";
+const s = Symbol('s');
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+const wr = new WeakRef(s);
+wr.deref();
+const f = new FinalizationRegistry(() => { });
+f.register(s, null);
+f.unregister(s);

tests/baselines/reference/acceptSymbolAsWeakType.symbols

@@ -0,0 +1,85 @@
+//// [tests/cases/compiler/acceptSymbolAsWeakType.ts] ////
+
+=== acceptSymbolAsWeakType.ts ===
+const s: symbol = Symbol('s');
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2019.symbol.d.ts, --, --))
+
+const ws = new WeakSet([s]);
+>ws : Symbol(ws, Decl(acceptSymbolAsWeakType.ts, 2, 5))
+>WeakSet : Symbol(WeakSet, Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+ws.add(s);
+>ws.add : Symbol(WeakSet.add, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(acceptSymbolAsWeakType.ts, 2, 5))
+>add : Symbol(WeakSet.add, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+ws.has(s);
+>ws.has : Symbol(WeakSet.has, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(acceptSymbolAsWeakType.ts, 2, 5))
+>has : Symbol(WeakSet.has, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+ws.delete(s);
+>ws.delete : Symbol(WeakSet.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(acceptSymbolAsWeakType.ts, 2, 5))
+>delete : Symbol(WeakSet.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+const wm = new WeakMap([[s, false]]);
+>wm : Symbol(wm, Decl(acceptSymbolAsWeakType.ts, 7, 5))
+>WeakMap : Symbol(WeakMap, Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+wm.set(s, true);
+>wm.set : Symbol(WeakMap.set, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(acceptSymbolAsWeakType.ts, 7, 5))
+>set : Symbol(WeakMap.set, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+wm.has(s);
+>wm.has : Symbol(WeakMap.has, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(acceptSymbolAsWeakType.ts, 7, 5))
+>has : Symbol(WeakMap.has, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+wm.get(s);
+>wm.get : Symbol(WeakMap.get, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(acceptSymbolAsWeakType.ts, 7, 5))
+>get : Symbol(WeakMap.get, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+wm.delete(s);
+>wm.delete : Symbol(WeakMap.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(acceptSymbolAsWeakType.ts, 7, 5))
+>delete : Symbol(WeakMap.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+const wr = new WeakRef(s);
+>wr : Symbol(wr, Decl(acceptSymbolAsWeakType.ts, 13, 5))
+>WeakRef : Symbol(WeakRef, Decl(lib.es2021.weakref.d.ts, --, --), Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+wr.deref();
+>wr.deref : Symbol(WeakRef.deref, Decl(lib.es2021.weakref.d.ts, --, --))
+>wr : Symbol(wr, Decl(acceptSymbolAsWeakType.ts, 13, 5))
+>deref : Symbol(WeakRef.deref, Decl(lib.es2021.weakref.d.ts, --, --))
+
+const f = new FinalizationRegistry(() => {});
+>f : Symbol(f, Decl(acceptSymbolAsWeakType.ts, 16, 5))
+>FinalizationRegistry : Symbol(FinalizationRegistry, Decl(lib.es2021.weakref.d.ts, --, --), Decl(lib.es2021.weakref.d.ts, --, --))
+
+f.register(s, null);
+>f.register : Symbol(FinalizationRegistry.register, Decl(lib.es2021.weakref.d.ts, --, --))
+>f : Symbol(f, Decl(acceptSymbolAsWeakType.ts, 16, 5))
+>register : Symbol(FinalizationRegistry.register, Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+
+f.unregister(s);
+>f.unregister : Symbol(FinalizationRegistry.unregister, Decl(lib.es2021.weakref.d.ts, --, --))
+>f : Symbol(f, Decl(acceptSymbolAsWeakType.ts, 16, 5))
+>unregister : Symbol(FinalizationRegistry.unregister, Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(acceptSymbolAsWeakType.ts, 0, 5))
+

tests/baselines/reference/acceptSymbolAsWeakType.types

@@ -0,0 +1,107 @@
+//// [tests/cases/compiler/acceptSymbolAsWeakType.ts] ////
+
+=== acceptSymbolAsWeakType.ts ===
+const s: symbol = Symbol('s');
+>s : symbol
+>Symbol('s') : unique symbol
+>Symbol : SymbolConstructor
+>'s' : "s"
+
+const ws = new WeakSet([s]);
+>ws : WeakSet<symbol>
+>new WeakSet([s]) : WeakSet<symbol>
+>WeakSet : WeakSetConstructor
+>[s] : symbol[]
+>s : symbol
+
+ws.add(s);
+>ws.add(s) : WeakSet<symbol>
+>ws.add : (value: symbol) => WeakSet<symbol>
+>ws : WeakSet<symbol>
+>add : (value: symbol) => WeakSet<symbol>
+>s : symbol
+
+ws.has(s);
+>ws.has(s) : boolean
+>ws.has : (value: symbol) => boolean
+>ws : WeakSet<symbol>
+>has : (value: symbol) => boolean
+>s : symbol
+
+ws.delete(s);
+>ws.delete(s) : boolean
+>ws.delete : (value: symbol) => boolean
+>ws : WeakSet<symbol>
+>delete : (value: symbol) => boolean
+>s : symbol
+
+const wm = new WeakMap([[s, false]]);
+>wm : WeakMap<symbol, boolean>
+>new WeakMap([[s, false]]) : WeakMap<symbol, boolean>
+>WeakMap : WeakMapConstructor
+>[[s, false]] : [symbol, false][]
+>[s, false] : [symbol, false]
+>s : symbol
+>false : false
+
+wm.set(s, true);
+>wm.set(s, true) : WeakMap<symbol, boolean>
+>wm.set : (key: symbol, value: boolean) => WeakMap<symbol, boolean>
+>wm : WeakMap<symbol, boolean>
+>set : (key: symbol, value: boolean) => WeakMap<symbol, boolean>
+>s : symbol
+>true : true
+
+wm.has(s);
+>wm.has(s) : boolean
+>wm.has : (key: symbol) => boolean
+>wm : WeakMap<symbol, boolean>
+>has : (key: symbol) => boolean
+>s : symbol
+
+wm.get(s);
+>wm.get(s) : boolean | undefined
+>wm.get : (key: symbol) => boolean | undefined
+>wm : WeakMap<symbol, boolean>
+>get : (key: symbol) => boolean | undefined
+>s : symbol
+
+wm.delete(s);
+>wm.delete(s) : boolean
+>wm.delete : (key: symbol) => boolean
+>wm : WeakMap<symbol, boolean>
+>delete : (key: symbol) => boolean
+>s : symbol
+
+const wr = new WeakRef(s);
+>wr : WeakRef<symbol>
+>new WeakRef(s) : WeakRef<symbol>
+>WeakRef : WeakRefConstructor
+>s : symbol
+
+wr.deref();
+>wr.deref() : symbol | undefined
+>wr.deref : () => symbol | undefined
+>wr : WeakRef<symbol>
+>deref : () => symbol | undefined
+
+const f = new FinalizationRegistry(() => {});
+>f : FinalizationRegistry<unknown>
+>new FinalizationRegistry(() => {}) : FinalizationRegistry<unknown>
+>FinalizationRegistry : FinalizationRegistryConstructor
+>() => {} : () => void
+
+f.register(s, null);
+>f.register(s, null) : void
+>f.register : (target: WeakKey, heldValue: unknown, unregisterToken?: WeakKey | undefined) => void
+>f : FinalizationRegistry<unknown>
+>register : (target: WeakKey, heldValue: unknown, unregisterToken?: WeakKey | undefined) => void
+>s : symbol
+
+f.unregister(s);
+>f.unregister(s) : void
+>f.unregister : (unregisterToken: WeakKey) => void
+>f : FinalizationRegistry<unknown>
+>unregister : (unregisterToken: WeakKey) => void
+>s : symbol
+

tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js

@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 es7,0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.

tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js

@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 es7,0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.

tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js

@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js

@@ -30,5 +30,5 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with jsonSourceFile api.js

@@ -30,7 +30,7 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-tsconfig.json:8:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+tsconfig.json:8:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 
 8    ""
      ~~

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with json api.js

@@ -33,5 +33,5 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with jsonSourceFile api.js

@@ -33,7 +33,7 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-tsconfig.json:9:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+tsconfig.json:9:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 
 9    ""
      ~~

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with json api.js

@@ -35,5 +35,5 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with jsonSourceFile api.js

@@ -35,7 +35,7 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-tsconfig.json:10:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+tsconfig.json:10:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 
 10    "incorrectLib"
       ~~~~~~~~~~~~~~

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with json api.js

@@ -30,5 +30,5 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with jsonSourceFile api.js

@@ -30,7 +30,7 @@ CompilerOptions::
  "configFilePath": "tsconfig.json"
 }
 Errors::
-tsconfig.json:8:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
+tsconfig.json:8:4 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.
 
 8    "   "
      ~~~~~

tests/baselines/reference/dissallowSymbolAsWeakType.errors.txt

@@ -0,0 +1,99 @@
+dissallowSymbolAsWeakType.ts(3,12): error TS2769: No overload matches this call.
+  Overload 1 of 2, '(iterable: Iterable<object>): WeakSet<object>', gave the following error.
+    Argument of type 'symbol[]' is not assignable to parameter of type 'Iterable<object>'.
+      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+        Type 'IteratorResult<symbol, any>' is not assignable to type 'IteratorResult<object, any>'.
+          Type 'IteratorYieldResult<symbol>' is not assignable to type 'IteratorResult<object, any>'.
+            Type 'IteratorYieldResult<symbol>' is not assignable to type 'IteratorYieldResult<object>'.
+              Type 'symbol' is not assignable to type 'object'.
+  Overload 2 of 2, '(values?: readonly object[]): WeakSet<object>', gave the following error.
+    Type 'symbol' is not assignable to type 'object'.
+dissallowSymbolAsWeakType.ts(4,8): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(5,8): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(6,11): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(8,12): error TS2769: No overload matches this call.
+  Overload 1 of 2, '(iterable: Iterable<readonly [object, boolean]>): WeakMap<object, boolean>', gave the following error.
+    Argument of type '[symbol, false][]' is not assignable to parameter of type 'Iterable<readonly [object, boolean]>'.
+      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+        Type 'IteratorResult<[symbol, false], any>' is not assignable to type 'IteratorResult<readonly [object, boolean], any>'.
+          Type 'IteratorYieldResult<[symbol, false]>' is not assignable to type 'IteratorResult<readonly [object, boolean], any>'.
+            Type 'IteratorYieldResult<[symbol, false]>' is not assignable to type 'IteratorYieldResult<readonly [object, boolean]>'.
+              Type '[symbol, false]' is not assignable to type 'readonly [object, boolean]'.
+                Type at position 0 in source is not compatible with type at position 0 in target.
+                  Type 'symbol' is not assignable to type 'object'.
+  Overload 2 of 2, '(entries?: readonly [object, boolean][]): WeakMap<object, boolean>', gave the following error.
+    Type 'symbol' is not assignable to type 'object'.
+dissallowSymbolAsWeakType.ts(9,8): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(10,8): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(11,8): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(12,11): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(14,24): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(18,12): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+dissallowSymbolAsWeakType.ts(19,14): error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+
+
+==== dissallowSymbolAsWeakType.ts (12 errors) ====
+    const s: symbol = Symbol('s');
+    
+    const ws = new WeakSet([s]);
+               ~~~~~~~~~~~~~~~~
+!!! error TS2769: No overload matches this call.
+!!! error TS2769:   Overload 1 of 2, '(iterable: Iterable<object>): WeakSet<object>', gave the following error.
+!!! error TS2769:     Argument of type 'symbol[]' is not assignable to parameter of type 'Iterable<object>'.
+!!! error TS2769:       The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+!!! error TS2769:         Type 'IteratorResult<symbol, any>' is not assignable to type 'IteratorResult<object, any>'.
+!!! error TS2769:           Type 'IteratorYieldResult<symbol>' is not assignable to type 'IteratorResult<object, any>'.
+!!! error TS2769:             Type 'IteratorYieldResult<symbol>' is not assignable to type 'IteratorYieldResult<object>'.
+!!! error TS2769:               Type 'symbol' is not assignable to type 'object'.
+!!! error TS2769:   Overload 2 of 2, '(values?: readonly object[]): WeakSet<object>', gave the following error.
+!!! error TS2769:     Type 'symbol' is not assignable to type 'object'.
+    ws.add(s);
+           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    ws.has(s);
+           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    ws.delete(s);
+              ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    
+    const wm = new WeakMap([[s, false]]);
+               ~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2769: No overload matches this call.
+!!! error TS2769:   Overload 1 of 2, '(iterable: Iterable<readonly [object, boolean]>): WeakMap<object, boolean>', gave the following error.
+!!! error TS2769:     Argument of type '[symbol, false][]' is not assignable to parameter of type 'Iterable<readonly [object, boolean]>'.
+!!! error TS2769:       The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
+!!! error TS2769:         Type 'IteratorResult<[symbol, false], any>' is not assignable to type 'IteratorResult<readonly [object, boolean], any>'.
+!!! error TS2769:           Type 'IteratorYieldResult<[symbol, false]>' is not assignable to type 'IteratorResult<readonly [object, boolean], any>'.
+!!! error TS2769:             Type 'IteratorYieldResult<[symbol, false]>' is not assignable to type 'IteratorYieldResult<readonly [object, boolean]>'.
+!!! error TS2769:               Type '[symbol, false]' is not assignable to type 'readonly [object, boolean]'.
+!!! error TS2769:                 Type at position 0 in source is not compatible with type at position 0 in target.
+!!! error TS2769:                   Type 'symbol' is not assignable to type 'object'.
+!!! error TS2769:   Overload 2 of 2, '(entries?: readonly [object, boolean][]): WeakMap<object, boolean>', gave the following error.
+!!! error TS2769:     Type 'symbol' is not assignable to type 'object'.
+    wm.set(s, true);
+           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    wm.has(s);
+           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    wm.get(s);
+           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    wm.delete(s);
+              ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    
+    const wr = new WeakRef(s);
+                           ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    wr.deref();
+    
+    const f = new FinalizationRegistry(() => {});
+    f.register(s, null);
+               ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    f.unregister(s);
+                 ~
+!!! error TS2345: Argument of type 'symbol' is not assignable to parameter of type 'object'.
+    

tests/baselines/reference/dissallowSymbolAsWeakType.js

@@ -0,0 +1,40 @@
+//// [tests/cases/compiler/dissallowSymbolAsWeakType.ts] ////
+
+//// [dissallowSymbolAsWeakType.ts]
+const s: symbol = Symbol('s');
+
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+
+const wr = new WeakRef(s);
+wr.deref();
+
+const f = new FinalizationRegistry(() => {});
+f.register(s, null);
+f.unregister(s);
+
+
+//// [dissallowSymbolAsWeakType.js]
+const s = Symbol('s');
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+const wr = new WeakRef(s);
+wr.deref();
+const f = new FinalizationRegistry(() => { });
+f.register(s, null);
+f.unregister(s);

tests/baselines/reference/dissallowSymbolAsWeakType.symbols

@@ -0,0 +1,85 @@
+//// [tests/cases/compiler/dissallowSymbolAsWeakType.ts] ////
+
+=== dissallowSymbolAsWeakType.ts ===
+const s: symbol = Symbol('s');
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2019.symbol.d.ts, --, --))
+
+const ws = new WeakSet([s]);
+>ws : Symbol(ws, Decl(dissallowSymbolAsWeakType.ts, 2, 5))
+>WeakSet : Symbol(WeakSet, Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+ws.add(s);
+>ws.add : Symbol(WeakSet.add, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(dissallowSymbolAsWeakType.ts, 2, 5))
+>add : Symbol(WeakSet.add, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+ws.has(s);
+>ws.has : Symbol(WeakSet.has, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(dissallowSymbolAsWeakType.ts, 2, 5))
+>has : Symbol(WeakSet.has, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+ws.delete(s);
+>ws.delete : Symbol(WeakSet.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>ws : Symbol(ws, Decl(dissallowSymbolAsWeakType.ts, 2, 5))
+>delete : Symbol(WeakSet.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+const wm = new WeakMap([[s, false]]);
+>wm : Symbol(wm, Decl(dissallowSymbolAsWeakType.ts, 7, 5))
+>WeakMap : Symbol(WeakMap, Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+wm.set(s, true);
+>wm.set : Symbol(WeakMap.set, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(dissallowSymbolAsWeakType.ts, 7, 5))
+>set : Symbol(WeakMap.set, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+wm.has(s);
+>wm.has : Symbol(WeakMap.has, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(dissallowSymbolAsWeakType.ts, 7, 5))
+>has : Symbol(WeakMap.has, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+wm.get(s);
+>wm.get : Symbol(WeakMap.get, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(dissallowSymbolAsWeakType.ts, 7, 5))
+>get : Symbol(WeakMap.get, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+wm.delete(s);
+>wm.delete : Symbol(WeakMap.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>wm : Symbol(wm, Decl(dissallowSymbolAsWeakType.ts, 7, 5))
+>delete : Symbol(WeakMap.delete, Decl(lib.es2015.collection.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+const wr = new WeakRef(s);
+>wr : Symbol(wr, Decl(dissallowSymbolAsWeakType.ts, 13, 5))
+>WeakRef : Symbol(WeakRef, Decl(lib.es2021.weakref.d.ts, --, --), Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+wr.deref();
+>wr.deref : Symbol(WeakRef.deref, Decl(lib.es2021.weakref.d.ts, --, --))
+>wr : Symbol(wr, Decl(dissallowSymbolAsWeakType.ts, 13, 5))
+>deref : Symbol(WeakRef.deref, Decl(lib.es2021.weakref.d.ts, --, --))
+
+const f = new FinalizationRegistry(() => {});
+>f : Symbol(f, Decl(dissallowSymbolAsWeakType.ts, 16, 5))
+>FinalizationRegistry : Symbol(FinalizationRegistry, Decl(lib.es2021.weakref.d.ts, --, --), Decl(lib.es2021.weakref.d.ts, --, --))
+
+f.register(s, null);
+>f.register : Symbol(FinalizationRegistry.register, Decl(lib.es2021.weakref.d.ts, --, --))
+>f : Symbol(f, Decl(dissallowSymbolAsWeakType.ts, 16, 5))
+>register : Symbol(FinalizationRegistry.register, Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+
+f.unregister(s);
+>f.unregister : Symbol(FinalizationRegistry.unregister, Decl(lib.es2021.weakref.d.ts, --, --))
+>f : Symbol(f, Decl(dissallowSymbolAsWeakType.ts, 16, 5))
+>unregister : Symbol(FinalizationRegistry.unregister, Decl(lib.es2021.weakref.d.ts, --, --))
+>s : Symbol(s, Decl(dissallowSymbolAsWeakType.ts, 0, 5))
+

tests/baselines/reference/dissallowSymbolAsWeakType.types

@@ -0,0 +1,107 @@
+//// [tests/cases/compiler/dissallowSymbolAsWeakType.ts] ////
+
+=== dissallowSymbolAsWeakType.ts ===
+const s: symbol = Symbol('s');
+>s : symbol
+>Symbol('s') : unique symbol
+>Symbol : SymbolConstructor
+>'s' : "s"
+
+const ws = new WeakSet([s]);
+>ws : WeakSet<object>
+>new WeakSet([s]) : WeakSet<object>
+>WeakSet : WeakSetConstructor
+>[s] : symbol[]
+>s : symbol
+
+ws.add(s);
+>ws.add(s) : WeakSet<object>
+>ws.add : (value: object) => WeakSet<object>
+>ws : WeakSet<object>
+>add : (value: object) => WeakSet<object>
+>s : symbol
+
+ws.has(s);
+>ws.has(s) : boolean
+>ws.has : (value: object) => boolean
+>ws : WeakSet<object>
+>has : (value: object) => boolean
+>s : symbol
+
+ws.delete(s);
+>ws.delete(s) : boolean
+>ws.delete : (value: object) => boolean
+>ws : WeakSet<object>
+>delete : (value: object) => boolean
+>s : symbol
+
+const wm = new WeakMap([[s, false]]);
+>wm : WeakMap<object, boolean>
+>new WeakMap([[s, false]]) : WeakMap<object, boolean>
+>WeakMap : WeakMapConstructor
+>[[s, false]] : [symbol, false][]
+>[s, false] : [symbol, false]
+>s : symbol
+>false : false
+
+wm.set(s, true);
+>wm.set(s, true) : WeakMap<object, boolean>
+>wm.set : (key: object, value: boolean) => WeakMap<object, boolean>
+>wm : WeakMap<object, boolean>
+>set : (key: object, value: boolean) => WeakMap<object, boolean>
+>s : symbol
+>true : true
+
+wm.has(s);
+>wm.has(s) : boolean
+>wm.has : (key: object) => boolean
+>wm : WeakMap<object, boolean>
+>has : (key: object) => boolean
+>s : symbol
+
+wm.get(s);
+>wm.get(s) : boolean
+>wm.get : (key: object) => boolean
+>wm : WeakMap<object, boolean>
+>get : (key: object) => boolean
+>s : symbol
+
+wm.delete(s);
+>wm.delete(s) : boolean
+>wm.delete : (key: object) => boolean
+>wm : WeakMap<object, boolean>
+>delete : (key: object) => boolean
+>s : symbol
+
+const wr = new WeakRef(s);
+>wr : WeakRef<object>
+>new WeakRef(s) : WeakRef<object>
+>WeakRef : WeakRefConstructor
+>s : symbol
+
+wr.deref();
+>wr.deref() : object
+>wr.deref : () => object
+>wr : WeakRef<object>
+>deref : () => object
+
+const f = new FinalizationRegistry(() => {});
+>f : FinalizationRegistry<unknown>
+>new FinalizationRegistry(() => {}) : FinalizationRegistry<unknown>
+>FinalizationRegistry : FinalizationRegistryConstructor
+>() => {} : () => void
+
+f.register(s, null);
+>f.register(s, null) : void
+>f.register : (target: object, heldValue: unknown, unregisterToken?: object) => void
+>f : FinalizationRegistry<unknown>
+>register : (target: object, heldValue: unknown, unregisterToken?: object) => void
+>s : symbol
+
+f.unregister(s);
+>f.unregister(s) : void
+>f.unregister : (unregisterToken: object) => void
+>f : FinalizationRegistry<unknown>
+>unregister : (unregisterToken: object) => void
+>s : symbol
+

tests/baselines/reference/esNextWeakRefs_IterableWeakMap.types

@@ -129,10 +129,10 @@ export class IterableWeakMap<K extends object, V> implements WeakMap<K, V> {
 
             this.#finalizationGroup.register(key, {
 >this.#finalizationGroup.register(key, {                set: this.#refSet,                ref,            }, ref) : void
->this.#finalizationGroup.register : (target: object, heldValue: { readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }, unregisterToken?: object | undefined) => void
+>this.#finalizationGroup.register : (target: WeakKey, heldValue: { readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }, unregisterToken?: WeakKey | undefined) => void
 >this.#finalizationGroup : FinalizationRegistry<{ readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }>
 >this : this
->register : (target: object, heldValue: { readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }, unregisterToken?: object | undefined) => void
+>register : (target: WeakKey, heldValue: { readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }, unregisterToken?: WeakKey | undefined) => void
 >key : K
 >{                set: this.#refSet,                ref,            } : { set: Set<WeakRef<K>>; ref: WeakRef<K>; }
 
@@ -223,10 +223,10 @@ export class IterableWeakMap<K extends object, V> implements WeakMap<K, V> {
 
         this.#finalizationGroup.unregister(ref);
 >this.#finalizationGroup.unregister(ref) : void
->this.#finalizationGroup.unregister : (unregisterToken: object) => void
+>this.#finalizationGroup.unregister : (unregisterToken: WeakKey) => void
 >this.#finalizationGroup : FinalizationRegistry<{ readonly ref: WeakRef<object>; readonly set: Set<WeakRef<object>>; }>
 >this : this
->unregister : (unregisterToken: object) => void
+>unregister : (unregisterToken: WeakKey) => void
 >ref : WeakRef<K>
 
         return true;

tests/baselines/reference/tsc/runWithoutArgs/does-not-add-color-when-NO_COLOR-is-set.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, esnext.intl, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection/esnext.collection, esnext.intl, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, esnext.intl, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection/esnext.collection, esnext.intl, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js

@@ -111,7 +111,7 @@ default: undefined
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, esnext.intl, decorators, decorators.legacy
+one or more: es5, es6/es2015, es7/es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.date, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable/esnext.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol/esnext.symbol, es2019.intl, es2020.bigint/esnext.bigint, es2020.date, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2020.number, es2021.promise/esnext.promise, es2021.string, es2021.weakref/esnext.weakref, es2021.intl, es2022.array, es2022.error, es2022.intl, es2022.object, es2022.sharedmemory, es2022.string/esnext.string, es2022.regexp, es2023.array/esnext.array, es2023.collection/esnext.collection, esnext.intl, decorators, decorators.legacy
 default: undefined
 
 --allowJs

tests/baselines/reference/tsserver/telemetry/does-not-expose-paths.js

@@ -430,7 +430,7 @@ Info seq  [hh:mm:ss:mss] event:
          "line": 1,
          "offset": 431
         },
-        "text": "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'esnext.array', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.",
+        "text": "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.sharedmemory', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'decorators', 'decorators.legacy'.",
         "code": 6046,
         "category": "error",
         "fileName": "/tsconfig.json"

tests/baselines/reference/typesVersions.ambientModules.trace.json

@@ -762,6 +762,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.emptyTypes.trace.json

@@ -788,6 +788,19 @@
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.justIndex.trace.json

@@ -788,6 +788,19 @@
     "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersions.multiFile.trace.json

@@ -741,6 +741,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.ambient.trace.json

@@ -762,6 +762,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFile.trace.json

@@ -741,6 +741,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFileBackReferenceToSelf.trace.json

@@ -764,6 +764,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/baselines/reference/typesVersionsDeclarationEmit.multiFileBackReferenceToUnmapped.trace.json

@@ -747,6 +747,18 @@
     "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
     "Directory '/node_modules' does not exist, skipping all lookups in it.",
     "======== Module name '@typescript/lib-es2023/array' was not resolved. ========",
+    "======== Resolving module '@typescript/lib-es2023/collection' from '/.src/__lib_node_modules_lookup_lib.es2023.collection.d.ts__.ts'. ========",
+    "Explicitly specified module resolution kind: 'Node10'.",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: TypeScript, Declaration.",
+    "Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
+    "Directory '/.src/node_modules/@types' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "Scoped package detected, looking in 'typescript__lib-es2023/collection'",
+    "Loading module '@typescript/lib-es2023/collection' from 'node_modules' folder, target file types: JavaScript.",
+    "Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
+    "Directory '/node_modules' does not exist, skipping all lookups in it.",
+    "======== Module name '@typescript/lib-es2023/collection' was not resolved. ========",
     "======== Resolving module '@typescript/lib-esnext/intl' from '/.src/__lib_node_modules_lookup_lib.esnext.intl.d.ts__.ts'. ========",
     "Explicitly specified module resolution kind: 'Node10'.",
     "Loading module '@typescript/lib-esnext/intl' from 'node_modules' folder, target file types: TypeScript, Declaration.",

tests/cases/compiler/acceptSymbolAsWeakType.ts

@@ -0,0 +1,23 @@
+// @strict: true
+// @lib: esnext
+// @target: esnext
+
+const s: symbol = Symbol('s');
+
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+
+const wr = new WeakRef(s);
+wr.deref();
+
+const f = new FinalizationRegistry(() => {});
+f.register(s, null);
+f.unregister(s);

tests/cases/compiler/dissallowSymbolAsWeakType.ts

@@ -0,0 +1,22 @@
+// @lib: es2022
+// @target: es2022
+
+const s: symbol = Symbol('s');
+
+const ws = new WeakSet([s]);
+ws.add(s);
+ws.has(s);
+ws.delete(s);
+
+const wm = new WeakMap([[s, false]]);
+wm.set(s, true);
+wm.has(s);
+wm.get(s);
+wm.delete(s);
+
+const wr = new WeakRef(s);
+wr.deref();
+
+const f = new FinalizationRegistry(() => {});
+f.register(s, null);
+f.unregister(s);