'use strict';

var index = require('./index-DuCXzb-X.js');

const spwTocContainerCss = () => `html{line-height:1.3;-webkit-text-size-adjust:100%;}h1,h2,h3,h4,h5,h6,p,ul,li{padding:0;margin:0}ul{list-style:none}:host{box-sizing:border-box;line-height:1.3;-webkit-text-size-adjust:100%;font-size:100%}:host *,:host *::before,:host *::after{box-sizing:inherit;font-family:var(--spw-ds-font-main)}body{margin:0}hr{box-sizing:content-box;height:0;overflow:visible;}pre{font-family:monospace, monospace;font-size:1em;}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted;}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace, monospace;font-size:1em;}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0;}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:0.35em 0.75em 0.625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal;}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0;}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px;}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit;}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}:root{--spw-ds-container-xl:1232px;--spw-ds-container-lg:1024px;--spw-ds-container-md:768px;--spw-ds-container-sm:640px}.spw-ds-container{width:100%;padding-left:16px;padding-right:16px;margin-left:auto;margin-right:auto}@media (min-width: 460px){.spw-ds-container{max-width:var(--spw-ds-container-sm)}}@media (min-width: 768px){.spw-ds-container{max-width:var(--spw-ds-container-md)}}@media (min-width: 1024px){.spw-ds-container{max-width:var(--spw-ds-container-lg)}}@media (min-width: 1350px){.spw-ds-container{max-width:var(--spw-ds-container-xl)}}:host{display:block}`;

const SpwTocContainer = class {
    constructor(hostRef) {
        index.registerInstance(this, hostRef);
        this.tocItemsChanged = index.createEvent(this, "tocItemsChanged", 7);
    }
    componentDidLoad() {
        this.scanHeadings();
        this.setupMutationObserver();
    }
    disconnectedCallback() {
        if (this.observer) {
            this.observer.disconnect();
        }
    }
    async getItems() {
        return this.scanHeadings();
    }
    setupMutationObserver() {
        this.observer = new MutationObserver(() => {
            this.scanHeadings();
        });
        this.observer.observe(this.el, {
            childList: true,
            subtree: true,
            characterData: true,
        });
    }
    slugify(text) {
        return text
            .toLowerCase()
            .trim()
            .normalize('NFD')
            .replace(/[\u0300-\u036f]/g, '')
            .replace(/[^\w\s-]/g, '')
            .replace(/[\s_-]+/g, '-')
            .replace(/^-+|-+$/g, '');
    }
    scanHeadings() {
        const tocItems = [];
        const headings = this.el.querySelectorAll('h2, h3, h4, h5, h6');
        headings.forEach((heading) => {
            var _a;
            const text = ((_a = heading.textContent) === null || _a === void 0 ? void 0 : _a.trim()) || '';
            let id = heading.id;
            if (!id && text) {
                id = this.slugify(text);
                heading.id = id;
            }
            if (id && text) {
                const level = parseInt(heading.tagName.substring(1));
                tocItems.push({ id, text, level });
            }
        });
        this.tocItemsChanged.emit(tocItems);
        return tocItems;
    }
    render() {
        return (index.h(index.Host, { key: 'b65fc485e901264fc4df9443d7ad55b4c17cb52c' }, index.h("slot", { key: '186f67706aa14e2fd3ce5799e61de589bd1a5a59' })));
    }
    get el() { return index.getElement(this); }
};
SpwTocContainer.style = spwTocContainerCss();

exports.spw_toc_container = SpwTocContainer;
