35 lines
1 KiB
JavaScript
35 lines
1 KiB
JavaScript
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// Like react-motion's Motion, but checks to see if the user prefers
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// reduced motion and uses a cross-fade in those cases.
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import Motion from 'react-motion/lib/Motion';
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import { connect } from 'react-redux';
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const stylesToKeep = ['opacity', 'backgroundOpacity'];
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const extractValue = (value) => {
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// This is either an object with a "val" property or it's a number
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return (typeof value === 'object' && value && 'val' in value) ? value.val : value;
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};
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const mapStateToProps = (state, ownProps) => {
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const reduceMotion = state.getIn(['meta', 'reduce_motion']);
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if (reduceMotion) {
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const { style, defaultStyle } = ownProps;
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Object.keys(style).forEach(key => {
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if (stylesToKeep.includes(key)) {
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return;
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}
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// If it's setting an x or height or scale or some other value, we need
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// to preserve the end-state value without actually animating it
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style[key] = defaultStyle[key] = extractValue(style[key]);
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});
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return { style, defaultStyle };
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}
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return {};
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};
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export default connect(mapStateToProps)(Motion);
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