Use case: ionic build android
Error thrown after linting is finished:
Error: Metadata emit requires the sourceFiles are passed to WriteFileCallback. Update to TypeScript
^1.9.0-dev
ngc failed
ionic-app-script task: "build"
Error: Error
npm ERR! Darwin 16.0.0
npm ERR! argv “/usr/local/bin/node” “/usr/local/bin/npm” “run” "build"
npm ERR! node v6.9.1
npm ERR! npm v4.0.2
npm ERR! code ELIFECYCLE
npm ERR! ionic-conference-app@ build: ionic-app-scripts build