Function getColumnByName

packages/sanddance-specs/src/inference.ts:41–43

(name: string)

 */
export function getSpecColumns(insight: Insight, columns: Column[]): SpecColumns {
    function getColumnByName(name: string) {
        return columns.filter(c => c.name === name)[0];
    }
    return {
        color: getColumnByName(insight.columns && insight.columns.color),
        facet: getColumnByName(insight.columns && insight.columns.facet),