Method parseRecurrence

src/utils/TasksPluginParser.ts:505–533

(recurrenceText: string | undefined)

	}

	private static parseRecurrence(recurrenceText: string | undefined): RecurrenceParseResult {
		const raw = recurrenceText?.trim();
		if (!raw) {
			return {};
		}

		const whenDoneMatch = raw.match(/\s+when\s+done$/iu);
		const recurrenceAnchor: RecurrenceAnchor | undefined = whenDoneMatch
			? "completion"
			: undefined;
		const text = raw.replace(/\s+when\s+done$/iu, "").trim();
		const existingRule = this.normalizeExistingRRule(text);
		const recurrence = existingRule || this.parseTextToRRule(text) || this.parseSimpleRecurrence(text);

		if (!recurrence) {
			return {
				recurrenceData: {
					frequency: "custom",
					raw,
				},
			};
		}

		return {
			recurrence,
			recurrenceAnchor,
			recurrenceData: this.buildRecurrenceData(recurrence, raw),
		};
	}

	private static normalizeExistingRRule(text: string): string | undefined {
		const normalized = text.trim().replace(/^RRULE:/iu, "");