refactor(core): move app para src e padroniza estrutura

src/features/notes/lib/formatters.ts

@@ -0,0 +1,51 @@
+type NoteTasksSummaryInput = {
+	type: string;
+	tasks?: Array<{ completed: boolean }> | null;
+};
+
+const NOTE_CREATED_AT_FORMATTER = new Intl.DateTimeFormat("pt-BR", {
+	dateStyle: "medium",
+});
+
+const NOTE_CREATED_AT_LONG_FORMATTER = new Intl.DateTimeFormat("pt-BR", {
+	dateStyle: "long",
+	timeStyle: "short",
+});
+
+const parseNoteDate = (value: string | Date | null | undefined) => {
+	if (!value) {
+		return null;
+	}
+
+	const parsed = value instanceof Date ? value : new Date(value);
+	return Number.isNaN(parsed.getTime()) ? null : parsed;
+};
+
+export const buildNoteDisplayTitle = (value: string | null | undefined) => {
+	const trimmed = value?.trim() ?? "";
+	return trimmed.length > 0 ? trimmed : "Anotação sem título";
+};
+
+export const getNoteTasksSummary = (note: NoteTasksSummaryInput) => {
+	if (note.type !== "tarefa") {
+		return "Nota";
+	}
+
+	const tasks = note.tasks ?? [];
+	const completed = tasks.filter((task) => task.completed).length;
+	return `${completed}/${tasks.length} concluídas`;
+};
+
+export const formatNoteCreatedAt = (
+	value: string | Date | null | undefined,
+) => {
+	const parsed = parseNoteDate(value);
+	return parsed ? NOTE_CREATED_AT_FORMATTER.format(parsed) : null;
+};
+
+export const formatNoteCreatedAtLong = (
+	value: string | Date | null | undefined,
+) => {
+	const parsed = parseNoteDate(value);
+	return parsed ? NOTE_CREATED_AT_LONG_FORMATTER.format(parsed) : null;
+};