After upgrading my project to Babel 7, running tests through jest is throwing the following error. The tests used to run without any issues in Babel 6, but are failing in Babel 7 with the following error
TypeError: wks is not a function at Object.<anonymous>.module.exports (node_modules/core-js/modules/_fix-re-wks.js:16:16) at Object.<anonymous> (node_modules/core-js/modules/es6.regexp.replace.js:4:25) at Object.<anonymous> (node_modules/core-js/modules/es6.regexp.split.js:3:1) at Object.<anonymous> (node_modules/core-js/modules/es6.symbol.js:7:1) at Object.<anonymous> (node_modules/core-js/modules/_is-object.js:5:1) at Object.<anonymous> (node_modules/core-js/modules/_inherit-if-required.js:3:16) at Object.<anonymous> (node_modules/core-js/modules/es6.regexp.constructor.js:5:25) at Object.<anonymous> (node_modules/core-js/modules/es6.regexp.match.js:3:1) at Object.<anonymous> (node_modules/core-js/modules/es6.function.name.js:3:1) at Object.<anonymous> (node_modules/core-js/modules/_wks.js:3:1) at Object.<anonymous> (node_modules/core-js/modules/_add-to-unscopables.js:4:19) at Object.<anonymous> (node_modules/core-js/modules/es6.array.iterator.js:3:24) at Object.<anonymous> (node_modules/core-js/modules/web.dom.iterable.js:3:18) at Object.<anonymous> (node_modules/regenerator-runtime/runtime.js:3:1) Jest config
{ "unmockedModulePathPatterns": [ "<rootDir>/node_modules/react", "<rootDir>/node_modules/react-dom", "<rootDir>/node_modules/react-addons-test-utils", "<rootDir>/node_modules/fbjs", "enzyme" ], "roots": [ "<rootDir>/__tests__" ], "transformIgnorePatterns": [ "node_modules/(^generic-)/i", //a module matching this is throwing an error "node_modules/react-infinite-scroller" ], "setupFiles": [ "./jestsetup.js" ], "snapshotSerializers": [ "enzyme-to-json/serializer" ], "testResultsProcessor": "./jestTrxProcessor", "verbose": true } babel.js.config
{ "presets": [ [ "@babel/preset-env", { "targets": { "ie": 11 }, "useBuiltIns": "usage" } ], "@babel/preset-react" ], "plugins": [ "@babel/plugin-transform-runtime", "@babel/plugin-syntax-dynamic-import", "@babel/plugin-syntax-import-meta", "@babel/plugin-proposal-class-properties", "@babel/plugin-proposal-json-strings", [ "@babel/plugin-proposal-decorators", { "legacy": true } ], "@babel/plugin-proposal-function-sent", "@babel/plugin-proposal-export-namespace-from", "@babel/plugin-proposal-numeric-separator", "@babel/plugin-proposal-throw-expressions", "@babel/plugin-proposal-object-rest-spread", "@babel/plugin-transform-object-assign" ] } package.json
"devDependencies": { "@babel/cli": "^7.0.0", "@babel/core": "^7.0.1", "@babel/plugin-proposal-class-properties": "^7.0.0", "@babel/plugin-proposal-decorators": "^7.0.0", "@babel/plugin-proposal-export-namespace-from": "^7.0.0", "@babel/plugin-proposal-function-sent": "^7.0.0", "@babel/plugin-proposal-json-strings": "^7.0.0", "@babel/plugin-proposal-numeric-separator": "^7.0.0", "@babel/plugin-proposal-object-rest-spread": "^7.0.0", "@babel/plugin-proposal-throw-expressions": "^7.0.0", "@babel/plugin-syntax-dynamic-import": "^7.0.0", "@babel/plugin-syntax-import-meta": "^7.0.0", "@babel/plugin-transform-object-assign": "^7.0.0", "@babel/preset-env": "^7.0.0", "@babel/preset-react": "^7.0.0", "babel-core": "7.0.0-bridge.0", "babel-loader": "^8.0.0", "body-parser": "^1.18.3", "create-if-not-exist": "^0.0.2", "enzyme": "^3.3.0", "enzyme-adapter-react-16": "^1.1.1", "enzyme-to-json": "^3.3.1", "eslint": "^4.13.1", "eslint-config-airbnb": "^16.1.0", "eslint-config-defaults": "^9.0.0", "eslint-config-rallycoding": "^3.2.0", "eslint-plugin-import": "^2.7.0", "eslint-plugin-jsx-a11y": "^6.0.2", "eslint-plugin-react": "^7.4.0", "exports-loader": "0.6.4", "express": "^4.16.3", "generic-redux-root": "^0.0.1", "imports-loader": "0.7.1", "jasmine": "^2.8.0", "jest": "^23.4.1", "jest-cli": "^23.4.1", "jest-trx-results-processor": "^0.0.7", "redux-mock-store": "^1.5.1", "string-replace-webpack-plugin": "^0.1.3", "webpack": "^4.5.0", "webpack-cli": "^2.0.12", "webpack-dev-server": "^3.1.1" }, "dependencies": { "@babel/polyfill": "^7.0.0", "babel-jest": "^23.6.0", "babel-plugin-add-module-exports": "^0.2.1", "core-js": "^2.5.5", "draft-js": "^0.10.5", "es6-promise": "^3.3.1", "flux": "^3.1.3", "generic-api-fetch": "1.0.1", "generic-http": "^1.0.2", "generic-limited-textarea": "^1.1.0", "generic-select": "^1.0.3", "generic-throttled-select": "^1.0.3", "lodash": "4.17.4", "moment": "^2.22.2", "prop-types": "^15.6.2", "react": "16.2.0", "react-addons-update": "15.6.2", "react-datepicker": "^1.5.0", "react-dom": "16.2.0", "react-hot-loader": "3.1.3", "react-infinite-scroller": "^1.2.0", "react-redux": "5.0.6", "react-select": "1.1.0", "redux": "3.7.2", "redux-logger": "3.0.6", "redux-thunk": "2.2.0", "reselect": "3.0.1", "whatwg-fetch": "^2.0.4" } What am I doing wrong?