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