import { CoverageSubprovider } from '@0xproject/sol-cov'; import * as _ from 'lodash'; let coverageSubprovider: CoverageSubprovider; export function getCoverageSubprovider(): CoverageSubprovider { if (_.isUndefined(coverageSubprovider)) { const artifactsPath = './src/artifacts'; const contractsPath = './src/contracts'; const networkId = 50; coverageSubprovider = new CoverageSubprovider(artifactsPath, contractsPath, networkId); } return coverageSubprovider; }