@jbrowse/plugin-linear-genome-view/esm/LinearGenomeView/components/util.js

JBrowse 2 linear genome view

export { fetchResults, splitLast } from "../../searchUtils.js";
export function getRelativeX(event, element) {
    return event.clientX - (element?.getBoundingClientRect().left || 0);
}
export function getCytobands(assembly, refName) {
    return (assembly?.cytobands
        ?.map(f => ({
        refName: assembly.getCanonicalRefName(f.get('refName')) || f.get('refName'),
        start: f.get('start'),
        end: f.get('end'),
        type: f.get('gieStain'),
        name: f.get('name'),
    }))
        .filter(f => f.refName === refName) || []);
}
const MIN_DRAG_DISTANCE = 30;
export function shouldSwapTracks(lastSwapY, currentY, movingDown) {
    return (lastSwapY === undefined ||
        (movingDown && currentY > lastSwapY + MIN_DRAG_DISTANCE) ||
        (!movingDown && currentY < lastSwapY - MIN_DRAG_DISTANCE));
}