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zent

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一套前端设计语言和基于React的实现

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import createPlacement from './create'; /** * --------------- * | anchor | * | | * --------------- * |popover| * --------- */ export default createPlacement((anchorBoundingBox, containerBoundingBox, contentDimension, options) => { const { left, right, bottom } = anchorBoundingBox; const middle = (left + right) / 2; const x = middle - contentDimension.width / 2; const y = bottom + options.cushion; return { getCSSStyle() { return { position: 'absolute', left: `${Math.round(x)}px`, top: `${Math.round(y)}px` }; }, name: 'position-bottom-center' }; });