365devnet/src/components/common/BasicScripts.astro

---
import { UI } from 'astrowind:config';
---

<script is:inline define:vars={{ defaultTheme: UI.theme }}>
  if (window.basic_script) {
    return;
  }

  window.basic_script = true;

  function applyTheme(theme) {
    if (theme === 'dark') {
      document.documentElement.classList.add('dark');
    } else {
      document.documentElement.classList.remove('dark');
    }
  }

  const initTheme = function () {
    if ((defaultTheme && defaultTheme.endsWith(':only')) || (!localStorage.theme && defaultTheme !== 'system')) {
      applyTheme(defaultTheme.replace(':only', ''));
    } else if (
      localStorage.theme === 'dark' ||
      (!('theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)
    ) {
      applyTheme('dark');
    } else {
      applyTheme('light');
    }
  };
  initTheme();

  function attachEvent(selector, event, fn) {
    const matches = typeof selector === 'string' ? document.querySelectorAll(selector) : selector;
    if (matches && matches.length) {
      matches.forEach((elem) => {
        elem.addEventListener(event, (e) => fn(e, elem), false);
      });
    }
  }

  const onLoad = function () {
    let lastKnownScrollPosition = window.scrollY;
    let ticking = true;

    attachEvent('#header nav', 'click', function () {
      document.querySelector('[data-aw-toggle-menu]')?.classList.remove('expanded');
      document.body.classList.remove('overflow-hidden');
      document.getElementById('header')?.classList.remove('h-screen');
      document.getElementById('header')?.classList.remove('expanded');
      document.getElementById('header')?.classList.remove('bg-page');
      document.querySelector('#header nav')?.classList.add('hidden');
      document.querySelector('#header > div > div:last-child')?.classList.add('hidden');
    });

    attachEvent('[data-aw-toggle-menu]', 'click', function (_, elem) {
      elem.classList.toggle('expanded');
      document.body.classList.toggle('overflow-hidden');
      document.getElementById('header')?.classList.toggle('h-screen');
      document.getElementById('header')?.classList.toggle('expanded');
      document.getElementById('header')?.classList.toggle('bg-page');
      document.querySelector('#header nav')?.classList.toggle('hidden');
      document.querySelector('#header > div > div:last-child')?.classList.toggle('hidden');
    });

    attachEvent('[data-aw-toggle-color-scheme]', 'click', function () {
      if (defaultTheme.endsWith(':only')) {
        return;
      }
      document.documentElement.classList.toggle('dark');
      localStorage.theme = document.documentElement.classList.contains('dark') ? 'dark' : 'light';
    });

    attachEvent('[data-aw-social-share]', 'click', function (_, elem) {
      const network = elem.getAttribute('data-aw-social-share');
      const url = encodeURIComponent(elem.getAttribute('data-aw-url'));
      const text = encodeURIComponent(elem.getAttribute('data-aw-text'));

      let href;
      switch (network) {
        case 'facebook':
          href = `https://www.facebook.com/sharer.php?u=${url}`;
          break;
        case 'twitter':
          href = `https://twitter.com/intent/tweet?url=${url}&text=${text}`;
          break;
        case 'linkedin':
          href = `https://www.linkedin.com/shareArticle?mini=true&url=${url}&title=${text}`;
          break;
        case 'whatsapp':
          href = `https://wa.me/?text=${text}%20${url}`;
          break;
        case 'mail':
          href = `mailto:?subject=%22${text}%22&body=${text}%20${url}`;
          break;

        default:
          return;
      }

      const newlink = document.createElement('a');
      newlink.target = '_blank';
      newlink.href = href;
      newlink.click();
    });

    const screenSize = window.matchMedia('(max-width: 767px)');
    screenSize.addEventListener('change', function () {
      document.querySelector('[data-aw-toggle-menu]')?.classList.remove('expanded');
      document.body.classList.remove('overflow-hidden');
      document.getElementById('header')?.classList.remove('h-screen');
      document.getElementById('header')?.classList.remove('expanded');
      document.getElementById('header')?.classList.remove('bg-page');
      document.querySelector('#header nav')?.classList.add('hidden');
      document.querySelector('#header > div > div:last-child')?.classList.add('hidden');
    });

    function applyHeaderStylesOnScroll() {
      const header = document.querySelector('#header[data-aw-sticky-header]');
      if (!header) return;
      if (lastKnownScrollPosition > 60 && !header.classList.contains('scroll')) {
        header.classList.add('scroll');
      } else if (lastKnownScrollPosition <= 60 && header.classList.contains('scroll')) {
        header.classList.remove('scroll');
      }
      ticking = false;
    }
    applyHeaderStylesOnScroll();

    attachEvent([document], 'scroll', function () {
      lastKnownScrollPosition = window.scrollY;

      if (!ticking) {
        window.requestAnimationFrame(() => {
          applyHeaderStylesOnScroll();
        });
        ticking = true;
      }
    });
  };
  const onPageShow = function () {
    document.documentElement.classList.add('motion-safe:scroll-smooth');
    const elem = document.querySelector('[data-aw-toggle-menu]');
    if (elem) {
      elem.classList.remove('expanded');
    }
    document.body.classList.remove('overflow-hidden');
    document.getElementById('header')?.classList.remove('h-screen');
    document.getElementById('header')?.classList.remove('expanded');
    document.querySelector('#header nav')?.classList.add('hidden');
  };

  window.onload = onLoad;
  window.onpageshow = onPageShow;

  document.addEventListener('astro:after-swap', () => {
    initTheme();
    onLoad();
    onPageShow();
  });
</script>

<script is:inline>
  /* Inspired by: https://github.com/heidkaemper/tailwindcss-intersect */
  const Observer = {
    observers: {},
    visibleElementsQueue: [],
    processing: false,
    delayBetweenAnimations: 100,

    start() {
      const selectors = [
        '[class*=" intersect:"]',
        '[class*=":intersect:"]',
        '[class^="intersect:"]',
        '[class="intersect"]',
        '[class*=" intersect "]',
        '[class^="intersect "]',
        '[class$=" intersect"]',
      ];

      const elements = Array.from(document.querySelectorAll(selectors.join(',')));

      elements.forEach((el) => el.setAttribute('no-intersect', ''));

      const getThreshold = (element) => {
        if (element.classList.contains('intersect-full')) return 0.99;
        if (element.classList.contains('intersect-half')) return 0.5;
        if (element.classList.contains('intersect-quarter')) return 0.25;
        return 0;
      };

      Object.values(this.observers).forEach((observer) => observer.disconnect());
      this.observers = {};

      const callback = (entries) => {
        entries.forEach((entry) => {
          const target = entry.target;

          if (entry.isIntersecting) {
            if (target.classList.contains('intercept-no-queue')) {
              target.removeAttribute('no-intersect');
              if (target.classList.contains('intersect-once')) {
                Object.values(this.observers).forEach((observer) => observer.unobserve(target));
              }
              return;
            }

            if (!this.visibleElementsQueue.includes(target)) {
              this.visibleElementsQueue.push(target);
            }

            this.processQueue();
          } else {
            target.setAttribute('no-intersect', '');

            const index = this.visibleElementsQueue.indexOf(target);
            if (index > -1) {
              this.visibleElementsQueue.splice(index, 1);
            }
          }
        });
      };

      elements.forEach((el) => {
        const threshold = getThreshold(el);

        if (!this.observers[threshold]) {
          this.observers[threshold] = new IntersectionObserver(callback, { threshold });
        }

        this.observers[threshold].observe(el);
      });
    },

    async processQueue() {
      if (this.processing) {
        return;
      }

      this.processing = true;

      while (this.visibleElementsQueue.length > 0) {
        const element = this.visibleElementsQueue.shift();

        element.removeAttribute('no-intersect');

        if (element.classList.contains('intersect-once')) {
          Object.values(this.observers).forEach((observer) => observer.unobserve(element));
        }

        if (this.isElementInViewport(element)) {
          await this.delay(this.delayBetweenAnimations);
        }
      }

      this.processing = false;
    },

    delay(ms) {
      return new Promise((resolve) => setTimeout(resolve, ms));
    },

    isElementInViewport(element) {
      const rect = element.getBoundingClientRect();
      return (
        rect.top < (window.innerHeight || document.documentElement.clientHeight) &&
        rect.bottom > 0 &&
        rect.left < (window.innerWidth || document.documentElement.clientWidth) &&
        rect.right > 0
      );
    },
  };

  Observer.start();

  document.addEventListener('astro:after-swap', () => {
    Observer.start();
  });
</script>