Module build failed: TypeError: Cannot read property 'newLine' of undefined

Question

Everything was running fine yesterday, now when I try to ng serve I get these errors:

ERROR in ./src/main.ts Module build failed: TypeError

Answer 1

Just update to "@angular/cli": "1.0.0-rc.0" "@angular/compiler-cli": "2.4.0" in your package.json and update file angular-cli.json like below

change

"environments": {
    "source": "environments/environment.ts",
    "dev": "environments/environment.ts",
    "prod": "environments/environment.prod.ts"
}

by

"environmentSource": "environments/environment.ts",
      "environments": {
        "dev": "environments/environment.ts",
        "prod": "environments/environment.prod.ts"
      }