public String version ( ) { if ( ES3 . contains ( this ) ) { return "es3" ; } if ( ES5 . contains ( this ) ) { return "es5" ; } if ( ES6_MODULES . contains ( this ) ) { return "es6" ; } if ( ES7_MODULES . contains ( this ) ) { return "es7" ; } if ( ES8_MODULES . contains ( this ) ) { return "es8" ; } if ( ES2018_MODULES . contains ( this ) ) { return "es9" ; } if ( ES2019_MODULES . contains ( this ) ) { return "es_2019" ; } if ( ES_NEXT . contains ( this ) ) { return "es_next" ; } if ( ES_UNSUPPORTED . contains ( this ) ) { return "es_unsupported" ; } if ( TYPESCRIPT . contains ( this ) ) { return "ts" ; } throw new IllegalStateException ( this . toString ( ) ) ; }
Returns a string representation suitable for encoding in depgraph and deps . js files .