fix(emit) exists sync check failed if file didn't exist
fix(emit) exists sync check failed if file didn't exist

alm-tools/alm,TypeScriptBuilder/tsb,basarat/tsb,TypeScriptBuilder/tsb,basarat/tsb,basarat/tsb,alm-tools/alm,basarat/tsb,alm-tools/alm,TypeScriptBuilder/tsb,alm-tools/alm,TypeScriptBuilder/tsb,alm-tools/alm