All files / app/codeCharta/state/effects/updateVisibleTopLabels getNumberOfTopLabels.ts

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import { defaultAmountOfTopLabels } from "../../store/appSettings/amountOfTopLabels/amountOfTopLabels.reducer"
 
const BUILDINGS_PER_LABEL = 100
const MAX_NUMBER_OF_LABELS = 10
 
export const getNumberOfTopLabels = (codeMapNodes: { length: number }) => {
    const numberOfLabels = Math.floor(codeMapNodes.length / BUILDINGS_PER_LABEL)
    if (numberOfLabels <= defaultAmountOfTopLabels) {
        return defaultAmountOfTopLabels
    }
    return Math.min(numberOfLabels, MAX_NUMBER_OF_LABELS)
}