lspeasy / core/src / clientSupportsNotification
Function: clientSupportsNotification()
ts
function clientSupportsNotification<M, T>(method, capabilities): capabilities is T & ConditionalSimplifyDeep<UnionToIntersection<{ [P in "window.showMessage" | "textDocument.publishDiagnostics"]: { [KeyType in string | number | symbol]: PickDeepObject<ClientCapabilities, P>[KeyType] } }[ClientCapabilityForNotification<M>]>, NonRecursiveType | ReadonlyMap<unknown, unknown> | WeakMap<WeakKey, unknown> | ReadonlySet<unknown> | WeakSet<WeakKey>, object>;Defined in: packages/core/src/protocol/capabilities.ts:143
Type-guarding predicate that narrows capabilities to include the specific client capability key required for the given server-to-client notification method.
Type Parameters
| Type Parameter |
|---|
M extends | "textDocument/publishDiagnostics" | "window/showMessage" | "window/logMessage" | "$/cancelRequest" | "$/progress" | "$/logTrace" | "telemetry/event" |
T extends Partial<ClientCapabilities> |
Parameters
| Parameter | Type | Description |
|---|---|---|
method | M | The LSP notification method string (e.g. 'window/logMessage'). |
capabilities | T | The ClientCapabilities object to test. |
Returns
capabilities is T & ConditionalSimplifyDeep<UnionToIntersection<{ [P in "window.showMessage" | "textDocument.publishDiagnostics"]: { [KeyType in string | number | symbol]: PickDeepObject<ClientCapabilities, P>[KeyType] } }[ClientCapabilityForNotification<M>]>, NonRecursiveType | ReadonlyMap<unknown, unknown> | WeakMap<WeakKey, unknown> | ReadonlySet<unknown> | WeakSet<WeakKey>, object>
true when the client has declared support for the method.