Next Iteration

shared/src/contract.ts

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+import { contract, notificationContract, types } from "@hediet/typed-json-rpc";
+import { DataExtractionResult } from "@hediet/debug-visualizer-data-extraction";
+
+function unchecked<T>(): types.Type<T, T, unknown> {
+	return new types.Type<T, T, unknown>(
+		"unchecked",
+		(u): u is T => true,
+		value => types.success(value as T),
+		value => value
+	);
+}
+
+export type DataExtractionState =
+	| { kind: "loading" }
+	| { kind: "error"; message: string }
+	| { kind: "noDebugSession" }
+	| {
+			kind: "data";
+			result: DataExtractionResult;
+	  };
+
+export const debugVisualizerUIContract = contract({
+	client: {
+		updateState: notificationContract({
+			params: types.type({
+				newState: unchecked<DataExtractionState>(),
+			}),
+		}),
+	},
+	server: {
+		setExpression: notificationContract({
+			params: types.type({
+				newExpression: types.string,
+			}),
+		}),
+		refresh: notificationContract({}),
+		openInBrowser: notificationContract({}),
+	},
+});

shared/src/index.ts

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+export * from "./contract";