MediaWiki:Common.js

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mw.loader.using(['mediawiki.util']).then(function () {
    // Load Vue.js from CDN
    var script = document.createElement('script');
    script.src = 'https://cdn.jsdelivr.net/npm/vue@2/dist/vue.min.js'; // Use Vue 2
    script.defer = true;
    script.onload = function () {
        // Ensure DOM is ready
        document.addEventListener("DOMContentLoaded", function () {
            if (typeof Vue === 'undefined') return; // Ensure Vue is loaded

            // Define the reusable Vue component
            Vue.component('tutorial-list', {
                props: ['items'],
                methods: {
                    splitContent: function (text) {
                        var firstSentenceEnd = text.indexOf(".") + 1;
                        if (firstSentenceEnd > 0) {
                            return {
                                first: text.slice(0, firstSentenceEnd),
                                rest: text.slice(firstSentenceEnd).trim()
                            };
                        }
                        return { first: text, rest: "" };
                    }
                },
                template: '<ol>' +
                            '<li v-for="item in items">' +
                                '<strong>{{ splitContent(item).first }}</strong> ' +
                                '{{ splitContent(item).rest }}' +
                            '</li>' +
                          '</ol>'
            });

            // Find all tutorial sections dynamically
            var tutorialHeaders = document.querySelectorAll("h2 > span#Steps");

            tutorialHeaders.forEach(function (header) {
                var orderedList = header.parentElement.nextElementSibling;

                if (orderedList && orderedList.tagName === "OL") {
                    var listItems = Array.from(orderedList.querySelectorAll("li")).map(function (li) {
                        return li.textContent.trim();
                    });

                    var vueAppContainer = document.createElement('div');
                    orderedList.parentElement.replaceChild(vueAppContainer, orderedList);

                    new Vue({
                        el: vueAppContainer,
                        data: {
                            listItems: listItems
                        },
                        template: '<tutorial-list :items="listItems"></tutorial-list>'
                    });
                }
            });
        });
    };
    document.head.appendChild(script);
});