@jbrowse/plugin-wiggle/esm/XYPlotRenderer/XYPlotRenderer.js

JBrowse 2 wiggle adapters, tracks, etc.

import { readConfObject } from '@jbrowse/core/configuration';
import WiggleBaseRenderer from '../WiggleBaseRenderer';
import { YSCALEBAR_LABEL_OFFSET } from '../util';
export default class XYPlotRenderer extends WiggleBaseRenderer {
    async draw(ctx, props) {
        const { inverted, stopToken, features, config } = props;
        const { drawXY } = await import('../drawXY');
        const pivotValue = readConfObject(config, 'bicolorPivotValue');
        const negColor = readConfObject(config, 'negColor');
        const posColor = readConfObject(config, 'posColor');
        return drawXY(ctx, {
            ...props,
            colorCallback: !config.color.isCallback
                ? (_feature, score) => (score < pivotValue ? negColor : posColor)
                : (feature, _score) => readConfObject(config, 'color', { feature }),
            offset: YSCALEBAR_LABEL_OFFSET,
            features: [...features.values()],
            inverted,
            stopToken,
        });
    }
}