in packages/layers/geojson/src/Polygon/PolygonLayer.ts [99:133]
highlightByIndices(dataIndexArr: number[], style: { type: 'none' | 'select' | 'hover' }) {
const data = this.getProp('data')
if (!data || !Array.isArray(data.features)) return
if (!style || !style.type) return
dataIndexArr.forEach((index) => {
const feature = data.features[index]
if (!feature) return
// Restore last highlight styles
this._restoreFeatureColor(feature)
this._restoreHoverLines(feature)
this._restoreSelectLines(feature)
switch (style.type) {
case 'none':
break
case 'select':
this._updateSelectLines(feature)
if (this.selectColor) {
this._updateFeatureColor(feature, this.selectColor)
}
break
case 'hover':
this._updateHoverLines(feature)
if (this.hoverColor) {
this._updateFeatureColor(feature, this.hoverColor)
}
break
default:
console.error(`Polaris::PolygonLayer - Invalid style.type param: ${style}`)
}
})
}