const mod = require('module') const hookPropertyMap = new Map([ [ /node-polyfill-web-streams/, require.resolve('../__mocks__/node-polyfill-web-streams.js'), ], ]) function matchModule(request) { for (const [key, value] of hookPropertyMap) { if (key.test(request)) { return value } } return null } const resolveFilename = mod._resolveFilename mod._resolveFilename = function (request, parent, isMain, options) { const hookResolved = matchModule(request) if (hookResolved) request = hookResolved return resolveFilename.call(mod, request, parent, isMain, options) }