Files F95173042

animate.js
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Created: Fri, Dec 13, 10:59

animate.js
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	import css from './css';
	import hyphenate from './hyphenate';
	import isTransform from './isTransform';
	import transitionEnd from './transitionEnd';
	var reset = {
	transition: '',
	'transition-duration': '',
	'transition-delay': '',
	'transition-timing-function': ''
	};

	// super lean animate function for transitions
	// doesn't support all translations to keep it matching the jquery API

	/**
	* code in part from: Zepto 1.1.4 \| zeptojs.com/license
	*/
	function _animate(_ref) {
	var node = _ref.node,
	properties = _ref.properties,
	_ref$duration = _ref.duration,
	duration = _ref$duration === void 0 ? 200 : _ref$duration,
	easing = _ref.easing,
	callback = _ref.callback;
	var cssProperties = [];
	var cssValues = {};
	var transforms = '';
	Object.keys(properties).forEach(function (key) {
	var value = properties[key];
	if (isTransform(key)) transforms += key + "(" + value + ") ";else {
	cssValues[key] = value;
	cssProperties.push(hyphenate(key));
	}
	});

	if (transforms) {
	cssValues.transform = transforms;
	cssProperties.push('transform');
	}

	function done(event) {
	if (event.target !== event.currentTarget) return;
	css(node, reset);
	if (callback) callback.call(this, event);
	}

	if (duration > 0) {
	cssValues.transition = cssProperties.join(', ');
	cssValues['transition-duration'] = duration / 1000 + "s";
	cssValues['transition-delay'] = '0s';
	cssValues['transition-timing-function'] = easing \|\| 'linear';
	}

	var removeListener = transitionEnd(node, done, duration); // eslint-disable-next-line no-unused-expressions

	node.clientLeft; // trigger page reflow

	css(node, cssValues);
	return {
	cancel: function cancel() {
	removeListener();
	css(node, reset);
	}
	};
	}

	function animate(nodeOrOptions, properties, duration, easing, callback) {
	if (!('nodeType' in nodeOrOptions)) {
	return _animate(nodeOrOptions);
	}

	if (!properties) {
	throw new Error('must include properties to animate');
	}

	if (typeof easing === 'function') {
	callback = easing;
	easing = '';
	}

	return _animate({
	node: nodeOrOptions,
	properties: properties,
	duration: duration,
	easing: easing,
	callback: callback
	});
	}

	export default animate;

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