User:Sekidoki/Scripts/FileUploadWizard-loader.js

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// <nowiki>
/* Install on User:Sekidoki/Scripts/FileUploadWizard-loader.js. */
(function () {
    'use strict';
    const page = String(mw.config.get('wgPageName')).replace(/_/g, ' ');
    if (page !== 'Template:Upload Wizard Page' || mw.config.get('wgAction') !== 'view' || new URLSearchParams(location.search).get('fuwdev') !== '1') return;
    if (window.fuwDevLoading) return;
    window.fuwDevLoading = true;
    mw.loader.using(['mediawiki.util', 'mediawiki.api']).then(function () {
        const raw = (name, type) => mw.util.getUrl('User:Sekidoki/Scripts/' + name, { action: 'raw', ctype: type });
        mw.loader.load(raw('FileUploadWizard-dev.css', 'text/css'), 'text/css');
        // The interface reads its text from i18n and its rules from core, so both load first.
        return mw.loader.getScript(raw('FileUploadWizard-i18n.js', 'text/javascript')).then(function () {
            return mw.loader.getScript(raw('FileUploadWizard-core.js', 'text/javascript'));
        }).then(function () {
            return mw.loader.getScript(raw('FileUploadWizard-dev.js', 'text/javascript'));
        });
    }).catch(function () {
        window.fuwDevLoading = false;
        const root = document.getElementById('fuw-dev-root');
        if (root) {
            const message = document.createElement('p');
            message.setAttribute('role', 'alert');
            message.textContent = '上傳精靈載入失敗／上传向导加载失败。請重新整理頁面／请刷新页面。';
            root.appendChild(message);
        }
    });
}());
// </nowiki>