behavior-copy.js
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behavior-copy.js
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	/**
	* @provides javelin-behavior-phabricator-clipboard-copy
	* @requires javelin-behavior
	* javelin-dom
	* javelin-stratcom
	* @javelin
	*/

	JX.behavior('phabricator-clipboard-copy', function() {

	if (!document.queryCommandSupported) {
	return;
	}

	if (!document.queryCommandSupported('copy')) {
	return;
	}

	JX.DOM.alterClass(document.body, 'supports-clipboard', true);

	JX.Stratcom.listen('click', 'clipboard-copy', function(e) {
	e.kill();

	var data = e.getNodeData('clipboard-copy');
	var attr = {
	value: data.text \|\| '',
	className: 'clipboard-buffer'
	};

	var node = JX.$N('textarea', attr);
	document.body.appendChild(node);

	try {
	node.select();
	document.execCommand('copy');
	} catch (ignored) {
	// Ignore any errors we hit.
	}

	JX.DOM.remove(node);
	});

	});