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89 lines
2.1 KiB
89 lines
2.1 KiB
import { placements as rcPlacements } from './src/placements'
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const autoAdjustOverflowEnabled = {
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adjustX: 1,
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adjustY: 1,
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}
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const autoAdjustOverflowDisabled = {
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adjustX: 0,
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adjustY: 0,
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}
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const targetOffset = [0, 0]
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export function getOverflowOptions (autoAdjustOverflow) {
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if (typeof autoAdjustOverflow === 'boolean') {
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return autoAdjustOverflow ? autoAdjustOverflowEnabled : autoAdjustOverflowDisabled
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}
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return {
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...autoAdjustOverflowDisabled,
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...autoAdjustOverflow,
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}
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}
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export default function getPlacements (config) {
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const { arrowWidth = 5, horizontalArrowShift = 16, verticalArrowShift = 12, autoAdjustOverflow = true } = config
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const placementMap = {
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left: {
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points: ['cr', 'cl'],
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offset: [-4, 0],
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},
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right: {
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points: ['cl', 'cr'],
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offset: [4, 0],
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},
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top: {
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points: ['bc', 'tc'],
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offset: [0, -4],
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},
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bottom: {
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points: ['tc', 'bc'],
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offset: [0, 4],
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},
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topLeft: {
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points: ['bl', 'tc'],
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offset: [-(horizontalArrowShift + arrowWidth), -4],
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},
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leftTop: {
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points: ['tr', 'cl'],
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offset: [-4, -(verticalArrowShift + arrowWidth)],
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},
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topRight: {
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points: ['br', 'tc'],
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offset: [horizontalArrowShift + arrowWidth, -4],
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},
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rightTop: {
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points: ['tl', 'cr'],
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offset: [4, -(verticalArrowShift + arrowWidth)],
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},
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bottomRight: {
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points: ['tr', 'bc'],
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offset: [horizontalArrowShift + arrowWidth, 4],
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},
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rightBottom: {
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points: ['bl', 'cr'],
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offset: [4, verticalArrowShift + arrowWidth],
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},
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bottomLeft: {
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points: ['tl', 'bc'],
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offset: [-(horizontalArrowShift + arrowWidth), 4],
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},
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leftBottom: {
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points: ['br', 'cl'],
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offset: [-4, verticalArrowShift + arrowWidth],
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},
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}
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Object.keys(placementMap).forEach(key => {
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placementMap[key] = config.arrowPointAtCenter ? {
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...placementMap[key],
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overflow: getOverflowOptions(autoAdjustOverflow),
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targetOffset,
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} : {
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...rcPlacements[key],
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overflow: getOverflowOptions(autoAdjustOverflow),
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}
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})
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return placementMap
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}
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