I'm encountering the following error after updating to Angular 9, so I haven't downgraded TypeScript. Could someone please assist me? I've tried numerous solutions without success.
node_modules/karma/config.tpl.ts:66:16 - error TS1005: ',' expected.
node_modules/karma/config.tpl.ts:67:3 - error TS1005: ',' expected.
Package.json
"devDependencies": {
"@angular-devkit/build-angular": "~0.900.6",
"@angular-devkit/core": "^9.0.6",
"@angular/cli": "^9.0.6",
"@angular/compiler-cli": "~9.0.6",
"@angular/language-service": "~9.0.6",
"@types/jasmine": "2.8.6",
"@types/jasminewd2": "2.0.3",
"@types/node": "^13.9.1",
"codelyzer": "^5.1.2",
"jasmine-core": "~2.99.1",
"jasmine-spec-reporter": "~4.2.1",
"karma": "~4.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-cli": "~1.0.1",
"karma-coverage-istanbul-reporter": "~2.0.1",
"karma-html-reporter": "^0.2.7",
"karma-jasmine": "~1.1.2",
"karma-jasmine-html-reporter": "^0.2.2",
"karma-junit-reporter": "^1.2.0",
"karma-typescript": "^5.0.0",
"node-sass": "^4.11.0",
"protractor": "~5.4.0",
"ts-node": "~8.6.2",
"tslint": "~6.1.0",
"typescript": "^3.8.3"
}