Function recurring

codebase/sources/dhtmlxscheduler.js:18245–19779

(scheduler2)

    return "".concat(header).concat(dateString);
  }
  function recurring(scheduler2) {
    scheduler2.ext.recurring = { confirm: function(context) {
    }, confirmDefault: function showRecurringConfirmModal(context) {
      const labels = context.labels || {};
      const options = Array.isArray(context.options) ? context.options : [];
      if (options.length === 0) {
        return Promise.resolve(null);
      }
      if (options.length === 1) {
        return Promise.resolve(options[0]);
      }
      const modalOptions = options.map((decision, index) => ({ value: decision, label: labelForDecision(decision, labels), checked: index === 0 }));
      return new Promise((resolve) => {
        scheduler2.modalbox({ text: `<div class="dhx_edit_recurrence_options">
			${modalOptions.map((option) => `<label class="dhx_styled_radio">
				<input type="radio" value="${option.value}" name="option" ${option.checked ? "checked" : ""}>
				${option.label}
				</label>`).join("")}
			</div>`, type: "recurring_mode", title: labels.title || scheduler2.locale.labels.confirm_recurring, width: "auto", position: "middle", buttons: [{ label: labels.ok || scheduler2.locale.labels.message_ok, value: "ok", css: "rec_ok" }, { label: labels.cancel || scheduler2.locale.labels.message_cancel, value: "cancel" }], callback: function onModalClose(value, event2) {
          if (value === "cancel") {
            resolve(null);
            return;
          }
          const box = event2.target.closest(".scheduler_modal_box");
          const checked = box && box.querySelector("input[type='radio']:checked");
          const selected = checked ? checked.value : null;
          if (!selected) {
            resolve(null);
            return;
          }
          resolve(selected);
        } });
      });
    }, _getDecision: async function _getDecision(context) {
      const confirmHandler = scheduler2.ext.recurring.confirm;
      let decision;
      if (typeof confirmHandler === "function") {
        decision = await confirmHandler(context);
      } else {
        decision = void 0;
      }
      if (decision === void 0) {
        decision = await scheduler2.ext.recurring.confirmDefault(context);
      }
      if (decision === null) {
        return null;
      }
      if (context.options && context.options.length > 0) {
        if (context.options.indexOf(decision) === -1) {
          console.warning(`[recurring extension] - the custom confirm handler returned a value ("${decision}") which is not in the allowed options list. The allowed options are: [${context.options.join(", ")}]. The operation will be cancelled.`);
          return null;
        }
      }
      return decision;
    } };
    scheduler2.ext.recurring.confirm = scheduler2.ext.recurring.confirmDefault;
    function labelForDecision(decision, labels) {
      if (decision === "occurrence") {