import joplin from 'api' ; joplin . plugins . register ( { onStart : async function ( ) { setTimeout ( async ( ) => { const installDir = await joplin . plugins . installationDir ( ) ; console . info ( 'Plugin installation directory: ' , installDir ) ; const fs = joplin . require ( 'fs-extra' ) ; const fileContent = await fs . readFile ( installDir + '/external.txt' , 'utf8' ) ; console . info ( 'Read external file content: ' + fileContent ) ; } , 5000 ) ; } , } ) ;