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import { useEffect, useRef } from 'react';
type JQuery = () => object;
type Polldaddy = {
display: () => void;
};
type WindowWithPolldaddyAndJQuery = {
polldaddy: Polldaddy;
jQuery: JQuery;
} & Window &
typeof globalThis;
const POLL_ID = 14948860;
const createPollSettingsEl = ( pollId: number ): HTMLDivElement => {
const sliderMountEl = document.createElement( 'div' );
sliderMountEl.className = 'pd-embed';
sliderMountEl.dataset.settings = JSON.stringify( {
type: 'slider',
embed: 'poll',
delay: 100,
visit: 'multiple',
id: pollId,
} );
return sliderMountEl;
};
const CrowdsignalPollComponent = () => {
const mountRef = useRef< HTMLDivElement >( null );
const handleScriptLoad = () => {
if ( ! mountRef.current ) {
return;
}
const pollSettingsEl = createPollSettingsEl( POLL_ID );
mountRef.current.appendChild( pollSettingsEl );
// The polldaddy script depends on jQuery and will pull it itself and then call polldaddy.display() if it's not on the page.
// I know... it's gross.
if ( typeof ( window as WindowWithPolldaddyAndJQuery ).jQuery === 'undefined' ) {
return;
}
// If jQuery is already on the page, we need to call polldaddy.display() ourselves.
if ( typeof ( window as WindowWithPolldaddyAndJQuery ).polldaddy === 'undefined' ) {
return;
}
( window as WindowWithPolldaddyAndJQuery ).polldaddy.display();
};
useEffect( () => {
if ( ! mountRef.current ) {
return;
}
const scriptEl = document.createElement( 'script' );
scriptEl.setAttribute( 'src', 'https://app.crowdsignal.com/survey.js' );
scriptEl.setAttribute( 'async', 'true' );
scriptEl.setAttribute( 'charset', 'utf-8' );
scriptEl.onload = handleScriptLoad;
mountRef.current.appendChild( scriptEl );
return () => {
const sliderEl = document.getElementById( 'pd-embed-slider' ); // The polldaddy script adds a slider element to the end of the body, which won't get cleaned up by the component unmounting
const sliderStyleEl = sliderEl?.nextElementSibling; // The polldaddy script also adds style tag after the slider element, which we need to clean up
if ( sliderEl ) {
sliderEl.remove();
}
if ( sliderStyleEl && sliderStyleEl.tagName === 'STYLE' ) {
sliderStyleEl.remove();
}
};
}, [] );
return <div id="reader-crowdsignal-poll" ref={ mountRef }></div>;
};
export default CrowdsignalPollComponent;
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