26 lines
936 B
TypeScript
26 lines
936 B
TypeScript
function maybeUpdateEndField(start_date_field: HTMLInputElement) {
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let end_date_field: HTMLInputElement | null | undefined = start_date_field
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?.closest(".form-row")
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?.querySelector(".field-end .vDateField");
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if (end_date_field && !end_date_field.value) {
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end_date_field.value = start_date_field.value;
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}
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}
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function setupListeners(element: ParentNode) {
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for (let start_date_field of element.querySelectorAll(
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"#meeting_times-group .field-start .vDateField",
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) as NodeListOf<HTMLInputElement>) {
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start_date_field.addEventListener("change", () => {
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maybeUpdateEndField(start_date_field);
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});
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// element is focused after selecting a date using Django's DateTimeShortcuts
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start_date_field.addEventListener("focus", () => {
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maybeUpdateEndField(start_date_field);
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});
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}
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}
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$(() => setupListeners(document));
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$(document).on("formset:added", (event) => setupListeners(event.target));
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