title: Unknown compiler option 'files' launching ./node_modules/.bin/ng-xi18n
body: <p>In order to translate my angular 4 app I'm trying to launch </p>
  
  <blockquote>
    <p>./node_modules/.bin/ng-xi18n
     from the root directory but I'm facing a problem and here is my log :</p>
  </blockquote>
  
  <pre><code>    Error: Error Unknown compiler option 'files'.
      at UserError.Error (native)
      at new UserError (/Users/danilodughetti/Coding/creatiweapp/creatiwe/node_modules/@angular/tsc-wrapped/src/tsc.js:27:28)
      at check (/Users/danilodughetti/Coding/creatiweapp/creatiwe/node_modules/@angular/tsc-wrapped/src/tsc.js:93:15)
      at Tsc.readConfiguration (/Users/danilodughetti/Coding/creatiweapp/creatiwe/node_modules/@angular/tsc-wrapped/src/tsc.js:152:9)
      at Object.main (/Users/danilodughetti/Coding/creatiweapp/creatiwe/node_modules/@angular/tsc-wrapped/src/main.js:65:28)
      at Object.&lt;anonymous&gt; (/Users/danilodughetti/Coding/creatiweapp/creatiwe/node_modules/@angular/compiler-cli/src/extract_i18n.js:16:9)
      at Module._compile (module.js:570:32)
      at Object.Module._extensions..js (module.js:579:10)
      at Module.load (module.js:487:32)
      at tryModuleLoad (module.js:446:12)
  Extraction failed
  </code></pre>
  
  <p>my package.js is like this : </p>
  
  <blockquote>
    <p>"name": "eheheh",
          "version": "0.0.0",
          "license": "MIT",
          "scripts": {
            "ng": "ng",
            "start": "ng serve",
            "build": "ng build",
            "test": "ng test",
            "lint": "ng lint",
            "e2e": "ng e2e"
          },
          "private": true,
          "dependencies": {
            "@angular/animations": "^4.4.3",
            "@angular/cdk": "^2.0.0-beta.12",
            "@angular/common": "^4.2.4",
            "@angular/compiler": "^4.2.4",
            "@angular/core": "^4.2.4",
            "@angular/forms": "^4.2.4",
            "@angular/http": "^4.2.4",
            "@angular/material": "^2.0.0-beta.12",
            "@angular/platform-browser": "^4.2.4",
            "@angular/platform-browser-dynamic": "^4.2.4",
            "@angular/router": "^4.2.4",
            "angular2-uuid": "^1.1.1",
            "angularfire2": "^4.0.0-rc.2",
            "bootstrap": "^3.3.7",
            "core-js": "^2.4.1",
            "firebase": "^4.4.0",
            "font-awesome": "^4.7.0",
            "hammerjs": "^2.0.8",
            "ng2-markdown-to-html": "^1.3.2",
            "ng2wig": "^0.2.1",
            "ngx-loading": "^1.0.7",
            "rxjs": "^5.4.2",
            "zone.js": "^0.8.14"
          },
          "devDependencies": {
            "@angular/cli": "1.4.3",
            "@angular/compiler-cli": "^4.2.4",
            "@angular/language-service": "^4.2.4",
            "@types/jasmine": "~2.5.53",
            "@types/jasminewd2": "~2.0.2",
            "@types/node": "~6.0.60",
            "codelyzer": "~3.1.1",
            "jasmine-core": "~2.6.2",
            "jasmine-spec-reporter": "~4.1.0",
            "karma": "~1.7.0",
            "karma-chrome-launcher": "~2.1.1",
            "karma-cli": "~1.0.1",
            "karma-coverage-istanbul-reporter": "^1.2.1",
            "karma-jasmine": "~1.1.0",
            "karma-jasmine-html-reporter": "^0.2.2",
            "protractor": "~5.1.2",
            "ts-node": "~3.2.0",
            "tslint": "~5.3.2",
            "typescript": "~2.3.3"
          }
        }</p>
  </blockquote>
  
  <p>Thanks</p>