86 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
---
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import Icon from '@components/ui/icons/icon.astro';
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---
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<button
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  type="button"
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  class="focus-visible:ring-secondary group inline-flex items-center rounded-lg p-2.5 text-neutral-600 ring-neutral-500 transition duration-300 outline-none hover:bg-neutral-100 focus:outline-none focus-visible:ring-1 focus-visible:outline-none dark:text-neutral-400 dark:ring-neutral-200 dark:hover:bg-neutral-700"
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  data-bookmark-button="bookmark-button"
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>
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  <Icon name="bookmark" />
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</button>
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<script>
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  class Bookmark {
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    private static readonly BOOKMARKS_KEY = 'bookmarks';
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    private bookmarkButton: Element | null;
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    constructor(private dataAttrValue: string) {
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      this.bookmarkButton = document.querySelector(`[data-bookmark-button="${dataAttrValue}"]`);
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    }
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    private getStoredBookmarks(): string[] {
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      const item = localStorage.getItem(Bookmark.BOOKMARKS_KEY);
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      return item ? JSON.parse(item) : [];
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    }
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    init(): void {
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      if (this.bookmarkButton && this.isStored()) {
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        this.markAsStored();
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      }
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      this.bookmarkButton?.addEventListener('click', () => this.toggleBookmark());
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    }
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    isStored(): boolean {
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      return this.getStoredBookmarks().includes(window.location.pathname);
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    }
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    markAsStored(): void {
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      if (this.bookmarkButton) {
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        this.bookmarkButton.classList.add('bookmarked');
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        const svgElement = this.bookmarkButton.querySelector('svg');
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        if (svgElement) {
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          svgElement.setAttribute('class', 'h-6 w-6 fill-red-500 dark:fill-red-500');
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        }
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        const pathElement = svgElement?.querySelector('path');
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        if (pathElement) {
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          pathElement.setAttribute('class', 'fill-current text-red-500 dark:text-red-500');
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        }
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      }
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    }
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    unmarkAsStored(): void {
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      if (this.bookmarkButton) {
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        this.bookmarkButton.classList.remove('bookmarked');
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        const svgElement = this.bookmarkButton.querySelector('svg');
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        if (svgElement) {
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          svgElement.setAttribute('class', 'h-6 w-6 fill-none');
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        }
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        const pathElement = svgElement?.querySelector('path');
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        if (pathElement) {
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          pathElement.setAttribute(
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            'class',
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            'fill-current text-neutral-500 group-hover:text-red-400 dark:text-neutral-500 group-hover:dark:text-red-400'
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          );
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        }
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      }
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    }
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    toggleBookmark(): void {
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      const storedBookmarks = this.getStoredBookmarks();
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      const index = storedBookmarks.indexOf(window.location.pathname);
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      if (index !== -1) {
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        storedBookmarks.splice(index, 1);
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        this.unmarkAsStored();
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      } else {
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        storedBookmarks.push(window.location.pathname);
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        this.markAsStored();
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      }
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      localStorage.setItem(Bookmark.BOOKMARKS_KEY, JSON.stringify(storedBookmarks));
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    }
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  }
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  new Bookmark('bookmark-button').init();
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</script>
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