nl_tokens: Hook the environment to pick up on global errors .
pl_tokens: function listenForErrors ( ) { window . addEventListener ( 'error' , function ( event ) { globalErrors . push ( event . error ) ; } ) ; // Also, we treat `console.error` as a test failure. Unless you prefer not. var origConsole = console ; var origError = console . error ; console . error = function wctShimmedError ( ) { origError . apply ( origConsole , arguments ) ; if ( get ( 'trackConsoleError' ) ) { throw 'console.error: ' + Array . prototype . join . <mask> ( arguments , ' ' ) ; } } ; }