getXRange.js

getXrange(data) {
    const xRange = this.props.xRange
    let max = -Infinity
    let min = Infinity
    if (xRange.max) {
        max = xRange.max
    }
    if (xRange.min) {
        min = xRange.min
        if (xRange.pivotNumber) {
            max = min.clone().add(xRange.pivotNumber, this.props.pivot)
        }
    }
    if (min !== Infinity && max !== -Infinity) {
        return new Range(min, max)
    }
    for (let row of data) {
        let value = this.getXvalue(row)
        let maxv = this.getXmax(row, value)
        if (maxv > max) {
            max = maxv
        }
        if (value < min) {
            min = value
        }
    }
    return new Range(min, max)
}