import { r as registerInstance, h, H as Host } from './index-xvTBZcD2.js';
import { m as markdownToHTML } from './markdown-parser-DJi1w622.js';
import { g as globalConfig } from './config-Dnt5w_Bp.js';
import './_commonjsHelpers-BFTU3MAI.js';
import './index-CJ0GYrWG.js';

class ImageIntersectionObserver {
    /**
     * @param containerElement - The element containing images to observe.
     */
    constructor(containerElement) {
        this.handleIntersection = (entries) => {
            for (const entry of entries) {
                if (entry.isIntersecting) {
                    const img = entry.target;
                    const dataSrc = img.dataset.src;
                    if (dataSrc) {
                        img.setAttribute('src', dataSrc);
                        delete img.dataset.src;
                    }
                    this.observer.unobserve(img);
                }
            }
        };
        this.observer = new IntersectionObserver(this.handleIntersection);
        const images = containerElement.querySelectorAll('img');
        for (const img of images) {
            this.observer.observe(img);
        }
    }
    disconnect() {
        this.observer.disconnect();
    }
}

const markdownCss = () => `@charset "UTF-8";code{font-family:ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "DejaVu Sans Mono", monospace;font-size:var(--limel-theme-default-small-font-size);letter-spacing:-0.0125rem;color:rgb(var(--contrast-1300));-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none;display:inline-block;border-radius:0.25rem;padding:0.03125rem 0.25rem;background-color:rgb(var(--contrast-600))}pre>code{display:block;margin:0.5rem 0;padding:0.5rem 0.75rem;overflow:auto;white-space:pre-wrap}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.125rem}h4{font-size:1rem}h5{font-size:var(--limel-theme-default-font-size)}h6{font-size:0.75rem}h1,h2{margin-top:0.5rem;margin-bottom:0.5rem;letter-spacing:-0.03125rem;font-weight:500}h3,h4{margin-top:0.75rem;margin-bottom:0.25rem;font-weight:600}h5,h6{margin-top:0.5rem;margin-bottom:0.125rem;font-weight:600}h1,h2,h3,h4,h5,h6{word-break:break-word;hyphens:auto;-webkit-hyphens:auto}:not([contenteditable=true]) h1,:not([contenteditable=true]) h2,:not([contenteditable=true]) h3,:not([contenteditable=true]) h4,:not([contenteditable=true]) h5,:not([contenteditable=true]) h6{text-wrap:balance}[contenteditable=true] h1,[contenteditable=true] h2,[contenteditable=true] h3,[contenteditable=true] h4,[contenteditable=true] h5,[contenteditable=true] h6{text-wrap:initial}:host(limel-markdown.truncate-paragraphs) p{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}p,li{font-size:var(--limel-theme-default-font-size);word-break:break-word}a{word-break:break-all}p{margin-top:0;margin-bottom:0.5rem}p:only-child{margin-bottom:0}a{transition:color 0.2s ease;color:var(--markdown-hyperlink-color, rgb(var(--color-blue-dark)));text-decoration:none}a:hover{color:var(--markdown-hyperlink-color--hovered, rgb(var(--color-blue-default)))}hr{margin:1.75rem 0 2rem 0;border-width:0;border-top:1px solid rgb(var(--contrast-500))}ul{list-style:none}ul li{position:relative;margin-left:0.75rem}ul li:before{content:"";position:absolute;left:-0.5rem;top:0.5rem;width:0.25rem;height:0.25rem;border-radius:50%;background-color:rgb(var(--contrast-700));display:block}ol{margin-top:0.25rem;padding-left:1rem}ul{margin-top:0.25rem;padding-left:0}ul ul,ul ol,ol ol,ol ul{margin-left:0}li{margin-bottom:0.25rem}:host(limel-markdown:not(.no-table-styles)) table{table-layout:auto;min-width:100%;border-collapse:collapse;border-spacing:0;background:transparent;margin:0.75rem 0}:host(limel-markdown:not(.no-table-styles)) tbody{border:1px solid rgb(var(--contrast-400));border-radius:0.25rem}:host(limel-markdown:not(.no-table-styles)) th,:host(limel-markdown:not(.no-table-styles)) td{text-align:left;vertical-align:top;transition:background-color 0.2s ease;font-size:var(--limel-theme-default-font-size)}:host(limel-markdown:not(.no-table-styles)) td{padding:0.5rem 0.375rem 0.75rem 0.375rem}:host(limel-markdown:not(.no-table-styles)) tr th{background-color:rgb(var(--contrast-400));padding:0.25rem 0.375rem;font-weight:normal}:host(limel-markdown:not(.no-table-styles)) tr th:only-child{text-align:center}:host(limel-markdown:not(.no-table-styles)) tbody tr:nth-child(odd) td{background-color:rgb(var(--contrast-200))}:host(limel-markdown:not(.no-table-styles)) tbody tr:hover td{background-color:rgb(var(--contrast-300))}table{display:block;box-sizing:border-box;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}blockquote{position:relative;max-width:100%;margin:0.75rem 0;padding:0.5rem;border-left:0.25rem solid rgb(var(--contrast-500));background-color:rgb(var(--contrast-200))}blockquote:before,blockquote:after{position:absolute;line-height:0;font-size:2rem;opacity:0.4}blockquote:before{content:"“";left:-0.5rem;top:0.5rem}blockquote:after{content:"”";right:-0.25rem;bottom:-0.25rem}blockquote blockquote{padding-top:0;padding-right:0;padding-bottom:0;padding-left:0.25rem;border-color:rgb(var(--contrast-700));border-left-width:1px}blockquote blockquote:before,blockquote blockquote:after{display:none}blockquote:has(>blockquote){padding-left:0.25rem;padding-bottom:0}dl{display:grid;grid-template-columns:1fr 2fr;grid-template-rows:1fr;margin-bottom:2rem;border:1px solid rgb(var(--contrast-400));border-radius:0.375rem;background-color:rgb(var(--contrast-200))}dl dt,dl dd{padding:0.375rem 0.5rem;font-size:var(--limel-theme-default-font-size);margin:0}dl dt:nth-of-type(even),dl dd:nth-of-type(even){background-color:rgb(var(--contrast-300))}dl dt:first-child{border-top-left-radius:0.375rem}dl dt:last-child{border-bottom-left-radius:0.375rem}dl dd:first-child{border-top-right-radius:0.375rem}dl dd:last-child{border-bottom-right-radius:0.375rem}img{max-width:100%;border-radius:0.25rem}kbd{font-family:ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "DejaVu Sans Mono", monospace;font-weight:600;color:rgb(var(--contrast-1100));background-color:rgb(var(--contrast-200));white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:normal;padding:0.125rem 0.5rem;margin:0 0.25rem;box-shadow:var(--button-shadow-normal), 0 0.03125rem 0.21875rem 0 rgba(var(--contrast-100), 0.5) inset;border-radius:0.125rem;border-style:solid;border-color:rgba(var(--contrast-600), 0.8);border-width:0 1px 0.125rem 1px}:host(limel-markdown.adjust-for-table-cell) img{max-height:1.25rem;vertical-align:middle}:host(limel-markdown.adjust-for-table-cell) p{display:inline}:host(limel-markdown.adjust-for-table-cell) h1,:host(limel-markdown.adjust-for-table-cell) h2,:host(limel-markdown.adjust-for-table-cell) h3,:host(limel-markdown.adjust-for-table-cell) h4,:host(limel-markdown.adjust-for-table-cell) h5,:host(limel-markdown.adjust-for-table-cell) h6{display:inline-block;vertical-align:bottom;font-size:var(--limel-theme-default-font-size);margin:0 0.25rem 0 0;letter-spacing:normal;font-weight:500}:host(limel-markdown.adjust-for-table-cell) h1:before,:host(limel-markdown.adjust-for-table-cell) h2:before,:host(limel-markdown.adjust-for-table-cell) h3:before,:host(limel-markdown.adjust-for-table-cell) h4:before,:host(limel-markdown.adjust-for-table-cell) h5:before,:host(limel-markdown.adjust-for-table-cell) h6:before{opacity:0.6;vertical-align:middle;font-size:0.5rem;border-radius:0.25rem 0 0 0.25rem;padding:0.25rem;padding-right:2rem;margin-right:-1.75rem;background:linear-gradient(to right, rgb(var(--contrast-800), 0.6), rgb(var(--contrast-800), 0))}:host(limel-markdown.adjust-for-table-cell) h1:before{content:"H1"}:host(limel-markdown.adjust-for-table-cell) h2:before{content:"H2"}:host(limel-markdown.adjust-for-table-cell) h3:before{content:"H3"}:host(limel-markdown.adjust-for-table-cell) h4:before{content:"H4"}:host(limel-markdown.adjust-for-table-cell) h5:before{content:"H5"}:host(limel-markdown.adjust-for-table-cell) h6:before{content:"H6"}:host(limel-markdown.adjust-for-table-cell) pre{margin:0}:host(limel-markdown.adjust-for-table-cell) pre>code{padding:0.125rem;margin:0}:host(limel-markdown.adjust-for-table-cell) dl{margin:0}:host(limel-markdown.adjust-for-table-cell) dl dt,:host(limel-markdown.adjust-for-table-cell) dl dd{padding:0.00625rem 0.125rem}*,*::before,*::after{box-sizing:border-box}* :where(:not(img,video,svg,canvas,iframe)),*::before :where(:not(img,video,svg,canvas,iframe)),*::after :where(:not(img,video,svg,canvas,iframe)){min-width:0;min-height:0}hr{border-top:1px solid rgb(var(--contrast-700))}.MsoNormal{margin:0}:host(limel-markdown.reset-img-height) #markdown img{height:auto}`;

const Markdown = class {
    constructor(hostRef) {
        registerInstance(this, hostRef);
        /**
         * The input text. Treated as GitHub Flavored Markdown, with the addition
         * that any included HTML will be parsed and rendered as HTML, rather than
         * as text.
         */
        this.value = '';
        /**
         * Whitelisted html elements.
         *
         * Any custom element added here will not be sanitized and thus rendered.
         * Can also be set via `limel-config`. Setting this property will override
         * the global config.
         * @alpha
         */
        this.whitelist = globalConfig.markdownWhitelist;
        /**
         * Enable lazy loading for images
         */
        this.lazyLoadImages = false;
        /**
         * Set to `false` to preserve empty paragraphs before rendering.
         * Empty paragraphs are paragraphs that do not contain
         * any meaningful content (text, images, etc.), or only contain
         * whitespace (`<br />` or `&nbsp;`).
         */
        this.removeEmptyParagraphs = true;
        this.imageIntersectionObserver = null;
    }
    async textChanged() {
        var _a;
        try {
            this.cleanupImageIntersectionObserver();
            const html = await markdownToHTML(this.value, {
                forceHardLineBreaks: true,
                whitelist: (_a = this.whitelist) !== null && _a !== void 0 ? _a : [],
                lazyLoadImages: this.lazyLoadImages,
                removeEmptyParagraphs: this.removeEmptyParagraphs,
            });
            this.rootElement.innerHTML = html;
            this.setupImageIntersectionObserver();
        }
        catch (error) {
            console.error(error);
        }
    }
    handleRemoveEmptyParagraphsChange() {
        return this.textChanged();
    }
    async componentDidLoad() {
        this.textChanged();
    }
    disconnectedCallback() {
        this.cleanupImageIntersectionObserver();
    }
    render() {
        return (h(Host, { key: 'b1939b572c0a9ac59178497f56ebc469bc707d98' }, h("div", { key: 'f9dd27e5263281fad9e6d1da9d25d3ccd3a9990e', id: "markdown", ref: (el) => (this.rootElement = el) })));
    }
    setupImageIntersectionObserver() {
        if (this.lazyLoadImages) {
            this.imageIntersectionObserver = new ImageIntersectionObserver(this.rootElement);
        }
    }
    cleanupImageIntersectionObserver() {
        if (this.imageIntersectionObserver) {
            this.imageIntersectionObserver.disconnect();
            this.imageIntersectionObserver = null;
        }
    }
    static get watchers() { return {
        "value": [{
                "textChanged": 0
            }],
        "removeEmptyParagraphs": [{
                "handleRemoveEmptyParagraphsChange": 0
            }]
    }; }
};
Markdown.style = markdownCss();

export { Markdown as limel_markdown };
