createMail.js

	makeBody(){
		var arr = [];
		for(var i=0;i<this.attachment.length;i++){
			arr[i] = {
				path: this.attachment[i],
				encoding: 'base64'
			}
		}

		//Mail Body is created.
		if(this.attachment.length){
			let mail = new mailComposer({
				to: this.to,
				text: this.body,
				subject: this.sub,
				textEncoding: "base64",
				attachments: arr
			});	
		}
		else{
			let mail = new mailComposer({
				to: this.to,
				text: this.body,
				subject: this.sub,
				textEncoding: "base64"
			});
		}
		
		//Compiles and encodes the mail.
		mail.compile().build((err, msg) => {
			if (err){
				return console.log('Error compiling email ' + error);
			} 
		
			const encodedMessage = Buffer.from(msg)
			  .toString('base64')
			  .replace(/\+/g, '-')
			  .replace(/\//g, '_')
			  .replace(/=+$/, '');
			
			if(this.task === 'mail'){
				this.sendMail(encodedMessage);
			}
			else{
				this.saveDraft(encodedMessage);
			}
		});
	}