refactor(ask): reorganize ask flow internals

src/state/result.ts

@@ -0,0 +1,54 @@
+import { CANCELLED_SUMMARY, SUBMITTED_SUMMARY } from "../constants.ts";
+import { formatResultLines } from "../result-format.ts";
+import type { AskResult, AskState } from "../types.ts";
+import { isAnswerEmpty, serializeAnswer } from "./answers.ts";
+
+export function toAskResult(state: AskState): AskResult {
+	const answers = Object.fromEntries(
+		Object.entries(state.answers)
+			.map(
+				([questionId, answer]) =>
+					[questionId, serializeAnswer(answer)] as const,
+			)
+			.filter(([, answer]) => !isSerializedAnswerEmpty(answer)),
+	);
+
+	return {
+		title: state.title,
+		cancelled: state.cancelled,
+		questions: state.questions.map((question) => ({
+			id: question.id,
+			label: question.label,
+			prompt: question.prompt,
+			type: question.type,
+		})),
+		answers,
+	};
+}
+
+export function summarizeResult(result: AskResult): string {
+	if (result.cancelled) {
+		return CANCELLED_SUMMARY;
+	}
+
+	const lines = formatResultLines(result, { mode: "summary" });
+	return lines.join("\n") || SUBMITTED_SUMMARY;
+}
+
+export function hasAnswerContent(state: AskState, questionId: string): boolean {
+	const answer = state.answers[questionId];
+	return !!answer && !isAnswerEmpty(answer);
+}
+
+function isSerializedAnswerEmpty(
+	answer: AskResult["answers"][string],
+): boolean {
+	return (
+		answer.values.length === 0 &&
+		answer.labels.length === 0 &&
+		answer.indices.length === 0 &&
+		!answer.customText &&
+		!answer.note &&
+		(!answer.optionNotes || Object.keys(answer.optionNotes).length === 0)
+	);
+}