Fedora release 40 (Forty)

$ uname -a Linux perseus.luma 6.9.4-200.fc40.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Jun 12 13:33:34 UTC 2024 x86_64 GNU/Linux

$ tsc --version Version 5.5.2 $ npm --version 10.5.0

$ npm install lit

added 6 packages in 716ms

first-componet.ts is the sourcecode from https://lit.dev/docs/components/overview/

$ tsc first-component.ts

first-component.ts:13:4 - error TS1240: Unable to resolve signature of property decorator when called as an expression. No overload matches this call. Overload 1 of 3, '(target: ClassAccessorDecoratorTarget<SimpleGreeting, string>, context: ClassAccessorDecoratorContext<SimpleGreeting, string>): ClassAccessorDecoratorResult<...>', gave the following error. Argument of type 'ClassFieldDecoratorContext<SimpleGreeting, string> & { name: "name"; private: false; static: false; }' is not assignable to parameter of type 'ClassAccessorDecoratorContext<SimpleGreeting, string>'. Types of property 'kind' are incompatible. Type '"field"' is not assignable to type '"accessor"'. Overload 2 of 3, '(target: (value: string) => void, context: ClassSetterDecoratorContext<SimpleGreeting, string>): (this: SimpleGreeting, value: string) => void', gave the following error. Argument of type 'ClassFieldDecoratorContext<SimpleGreeting, string> & { name: "name"; private: false; static: false; }' is not assignable to parameter of type 'ClassSetterDecoratorContext<SimpleGreeting, string>'. Types of property 'kind' are incompatible. Type '"field"' is not assignable to type '"setter"'. Overload 3 of 3, '(protoOrDescriptor: Object, name: PropertyKey, descriptor?: PropertyDescriptor): any', gave the following error. Argument of type 'ClassFieldDecoratorContext<SimpleGreeting, string> & { name: "name"; private: false; static: false; }' is not assignable to parameter of type 'PropertyKey'.

13 @property()


first-component.ts:13:4 - error TS1270: Decorator function return type 'ClassAccessorDecoratorResult<SimpleGreeting, string>' is not assignable to type 'void | ((this: SimpleGreeting, value: string) => string)'.

13   @property()

node_modules/@lit/reactive-element/reactive-element.d.ts:128:31 - error TS2583: Cannot find name 'Map'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

128 type PropertyDeclarationMap = Map<PropertyKey, PropertyDeclaration>;


node_modules/@lit/reactive-element/reactive-element.d.ts:140:80 - error TS2583: Cannot find name 'Map'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

140 export type PropertyValues<T = any> = T extends object ? PropertyValueMap<T> : Map<PropertyKey, unknown>;

node_modules/@lit/reactive-element/reactive-element.d.ts:144:46 - error TS2583: Cannot find name 'Map'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

144 export interface PropertyValueMap extends Map<PropertyKey, unknown> {


node_modules/@lit/reactive-element/reactive-element.d.ts:170:30 - error TS2583: Cannot find name 'WeakMap'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

170     var litPropertyMetadata: WeakMap<object, Map<PropertyKey, PropertyDeclaration>>;

node_modules/@lit/reactive-element/reactive-element.d.ts:170:46 - error TS2583: Cannot find name 'Map'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

170 var litPropertyMetadata: WeakMap<object, Map<PropertyKey, PropertyDeclaration>>;


node_modules/@lit/reactive-element/reactive-element.d.ts:417:12 - error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.

417     static [Symbol.metadata]: object & Record<PropertyKey, unknown>;

node_modules/@lit/reactive-element/reactive-element.d.ts:417:13 - error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.

417 static [Symbol.metadata]: object & Record<PropertyKey, unknown>;


node_modules/lit-html/lit-html.d.ts:359:32 - error TS2583: Cannot find name 'Set'. Do you need to change your target library? Try changing the 'lib' compiler option to 'es2015' or later.

359     _$disconnectableChildren?: Set<Disconnectable>;

node_modules/lit-html/lit-html.d.ts:546:47 - error TS2304: Cannot find name 'Iterable'.

546 _isIterable: (value: unknown) => value is Iterable;



Found 11 errors in 3 files.

Errors  Files
     2  first-component.ts:13
     7  node_modules/@lit/reactive-element/reactive-element.d.ts:128
     2  node_modules/lit-html/lit-html.d.ts:359

lit / lit.dev

Component example code does not compile #1344

first-componet.ts is the sourcecode from https://lit.dev/docs/components/overview/