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https://gerrit.wikimedia.org/r/mediawiki/skins/Vector.git
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41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
const features = require( './features.js' );
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const LIMITED_WIDTH_FEATURE_NAME = 'limited-width';
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/**
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* Sets data attribute for click tracking purposes.
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*
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* @param {HTMLElement} toggleBtn
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*/
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function setDataAttribute( toggleBtn ) {
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toggleBtn.dataset.eventName = features.isEnabled( LIMITED_WIDTH_FEATURE_NAME ) ?
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'limited-width-toggle-off' : 'limited-width-toggle-on';
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}
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/**
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* adds a toggle button
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*/
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function init() {
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const toggle = document.createElement( 'button' );
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toggle.setAttribute( 'title', mw.msg( 'vector-limited-width-toggle' ) );
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toggle.setAttribute( 'aria-hidden', 'true' );
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toggle.textContent = mw.msg( 'vector-limited-width-toggle' );
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toggle.classList.add( 'mw-ui-icon', 'mw-ui-icon-element', 'mw-ui-button', 'vector-limited-width-toggle' );
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setDataAttribute( toggle );
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document.body.appendChild( toggle );
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toggle.addEventListener( 'click', function () {
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features.toggle( LIMITED_WIDTH_FEATURE_NAME );
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setDataAttribute( toggle );
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// Fire a simulated window resize event (T328121)
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let event;
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if ( typeof Event === 'function' ) {
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event = new Event( 'resize' );
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} else {
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// IE11
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event = window.document.createEvent( 'UIEvents' );
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event.initUIEvent( 'resize', true, false, window, 0 );
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}
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window.dispatchEvent( event );
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} );
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}
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module.exports = init;
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