MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

// Auto-preload template for Shared_Experiences new story form
mw.hook('wikipage.content').add(function () {
    // Only run on new-section add
    if (
        mw.config.get('wgPageName') === 'Shared_Experiences' &&
        mw.config.get('wgAction') === 'edit' &&
        new URLSearchParams(window.location.search).get('section') === 'new'
    ) {
        var textbox = document.getElementById('wpTextbox1');

        // Only insert if the textbox is empty
        if (textbox && textbox.value.trim() === '') {
            new mw.Api().get({
                action: 'parse',
                page: 'Template:SharedExperience/Preload',
                prop: 'wikitext',
                format: 'json'
            }).done(function (data) {
                // FIX: MediaWiki stores wikitext under ['*']
                textbox.value = data.parse.wikitext['*'];
            });
        }
    }
});