79 lines
1.9 KiB
TypeScript
79 lines
1.9 KiB
TypeScript
import { useRef, useCallback, useMemo, useState } from 'react';
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import { fire } from '@utils';
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export function useDeferredSubmit(input?: HTMLInputElement): {
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(callback: () => void): void;
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done: () => void;
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} {
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const calledRef = useRef(false);
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const awaitFormSubmit = useCallback(
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(callback: () => void) => {
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const form = input?.form;
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if (!form) {
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return;
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}
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const interceptFormSubmit = (event: Event) => {
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event.preventDefault();
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runCallback();
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form.submit();
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};
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calledRef.current = false;
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form.addEventListener('submit', interceptFormSubmit);
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const runCallback = () => {
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form.removeEventListener('submit', interceptFormSubmit);
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clearTimeout(timer);
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if (!calledRef.current) {
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callback();
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}
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};
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const timer = setTimeout(runCallback, 400);
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},
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[input]
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);
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const done = () => {
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calledRef.current = true;
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};
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return Object.assign(awaitFormSubmit, { done });
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}
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export function groupId(id: string) {
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return `#champ-${id.replace(/-input$/, '')}`;
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}
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export function useHiddenField(
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group?: string,
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name = 'value'
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): [
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value: string | undefined,
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setValue: (value: string) => void,
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input: HTMLInputElement | undefined
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] {
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const hiddenField = useMemo(
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() => selectInputInGroup(group, name),
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[group, name]
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);
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const [value, setValue] = useState(() => hiddenField?.value);
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return [
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value,
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(value) => {
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if (hiddenField) {
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hiddenField.setAttribute('value', value);
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setValue(value);
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fire(hiddenField, 'autosave:trigger');
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}
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},
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hiddenField ?? undefined
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];
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}
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function selectInputInGroup(
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group: string | undefined,
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name: string
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): HTMLInputElement | undefined | null {
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if (group) {
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return document.querySelector<HTMLInputElement>(
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`${group} input[type="hidden"][name$="[${name}]"], ${group} input[type="hidden"][name="${name}"]`
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);
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}
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}
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