78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
// Unique ID applied to modals created using the showWindowModal function
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export const WINDOW_MODAL_ID = 'window-modal';
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// We only import these modules if a user actually triggers a modal. Here we cache them so they are only imported once.
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let preactImport;
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let modalImports;
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const getPreactImport = () => {
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if (!preactImport) {
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preactImport = import('preact');
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}
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return preactImport;
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};
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const getModalImports = () => {
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if (!modalImports) {
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modalImports = [import('@crayons/Modal'), getPreactImport()];
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}
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return Promise.all(modalImports);
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};
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/**
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* This helper function finds the HTML with the given contentSelector, and presents it inside a Preact modal.
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* Only one modal will be presented at any given time. All additional props will be passed directly to the Modal component.
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*
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* @param {Object} args
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* @param {string} args.contentSelector The CSS query to locate the HTML to be presented in the modal (e.g. '#my-modal-content')
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* @param {Function} args.onOpen A callback function to run when the modal opens. This can be useful, for example, to attach any event listeners to items inside the modal.
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*/
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export const showWindowModal = async ({
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contentSelector,
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onOpen,
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...modalProps
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}) => {
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const [{ Modal }, { render, h }] = await getModalImports();
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// Guard against two modals being opened at once
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let currentModalContainer = document.getElementById(WINDOW_MODAL_ID);
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if (currentModalContainer) {
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render(null, currentModalContainer);
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} else {
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currentModalContainer = document.createElement('div');
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currentModalContainer.setAttribute('id', WINDOW_MODAL_ID);
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document.body.appendChild(currentModalContainer);
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}
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render(
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<Modal
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onClose={() => {
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render(null, currentModalContainer);
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}}
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focusTrapSelector={`#${WINDOW_MODAL_ID}`}
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{...modalProps}
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>
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<div
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className="h-100 w-100"
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// eslint-disable-next-line react/no-danger
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dangerouslySetInnerHTML={{
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__html: document.querySelector(contentSelector).innerHTML,
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}}
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/>
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</Modal>,
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currentModalContainer,
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);
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onOpen?.();
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};
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/**
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* This helper function closes any currently open window modal. This can be useful, for example, if your modal contains a "cancel" button.
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*/
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export const closeWindowModal = async () => {
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const currentModalContainer = document.getElementById(WINDOW_MODAL_ID);
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if (currentModalContainer) {
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const { render } = await getPreactImport();
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render(null, currentModalContainer);
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}
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};
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