Updated to ES6

advanced/gmail.gs

@@ -1,5 +1,5 @@
 /**
- * Copyright Google LLC
+ * Copyright 2021 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,30 +13,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-// [START apps_script_gmail_label]
+// [START gmail_label]
 /**
  * Lists the user's labels, including name, type,
  * ID and visibility information.
  */
-function listLabelInfo() {
-  var response =
+
+function listLabelInfo(){
+  try{
+  const response =
     Gmail.Users.Labels.list('me');
-  for (var i = 0; i < response.labels.length; i++) {
-    var label = response.labels[i];
+  for (let i = 0; i < response.labels.length; i++) {
+    const label = response.labels[i];
     Logger.log(JSON.stringify(label));
   }
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_label]
+// [END gmail_label]
 
-// [START apps_script_gmail_inbox_snippets]
+// [START gmail_inbox_snippets]
 /**
  * Lists, for each thread in the user's Inbox, a
  * snippet associated with that thread.
  */
 function listInboxSnippets() {
-  var pageToken;
+  try{
+  let pageToken;
   do {
-    var threadList = Gmail.Users.Threads.list('me', {
+    const threadList = Gmail.Users.Threads.list('me', {
       q: 'label:inbox',
       pageToken: pageToken
     });
@@ -47,39 +54,44 @@ function listInboxSnippets() {
     }
     pageToken = threadList.nextPageToken;
   } while (pageToken);
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_inbox_snippets]
+// [END gmail_inbox_snippets]
 
 
-// [START apps_script_gmail_history]
+// [START gmail_history]
 /**
  * Gets a history record ID associated with the most
  * recently sent message, then logs all the message IDs
  * that have changed since that message was sent.
  */
-function logRecentHistory() {
+function logRecentHistory () {
   // Get the history ID associated with the most recent
   // sent message.
-  var sent = Gmail.Users.Threads.list('me', {
+  const sent = Gmail.Users.Threads.list('me', {
       q: 'label:sent',
       maxResults: 1
   });
   if (!sent.threads || !sent.threads[0]) {
     Logger.log('No sent threads found.');
     return;
   }
-  var historyId = sent.threads[0].historyId;
+  const historyId = sent.threads[0].historyId;
 
   // Log the ID of each message changed since the most
   // recent message was sent.
-  var pageToken;
-  var changed = [];
+  try{
+  let pageToken;
+  let changed = [];
   do {
-    var recordList = Gmail.Users.History.list('me', {
+    const recordList = Gmail.Users.History.list('me', {
       startHistoryId: historyId,
       pageToken: pageToken
     });
-    var history = recordList.history;
+    const history = recordList.history;
     if (history && history.length > 0) {
       history.forEach(function(record) {
         record.messages.forEach(function(message) {
@@ -91,23 +103,32 @@ function logRecentHistory() {
     }
     pageToken = recordList.nextPageToken;
   } while (pageToken);
+
 
   changed.forEach(function(id) {
     Logger.log('Message Changed: %s', id);
   });
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_history]
-
-// [START apps_script_gmail_raw]
+// [END gmail_history]
+// [START gmail_raw]
 function getRawMessage() {
-  var messageId = Gmail.Users.Messages.list('me').messages[0].id;
+  try{
+  const messageId = Gmail.Users.Messages.list('me').messages[0].id;
   console.log(messageId);
-  var message = Gmail.Users.Messages.get('me', messageId, {
+  const message = Gmail.Users.Messages.get('me', messageId, {
     'format': 'raw'
   });
 
   // Get raw content as base64url encoded string.
-  var encodedMessage = Utilities.base64Encode(message.raw);
+  const encodedMessage = Utilities.base64Encode(message.raw);
   console.log(encodedMessage);
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_raw]
+// [END gmail_raw]

gmail/markup/Code.gs

@@ -1,14 +1,19 @@
-// [START apps_script_gmail_markup]
+// [START gmail_markup]
 /**
- * Tests the schema.
+ * Send an email with schemas in order to test email markup.
  */
 function testSchemas() {
-  var htmlBody = HtmlService.createHtmlOutputFromFile('mail_template').getContent();
+  try{
+  const htmlBody = HtmlService.createHtmlOutputFromFile('mail_template').getContent();
 
   MailApp.sendEmail({
     to: Session.getActiveUser().getEmail(),
     subject: 'Test Email markup - ' + new Date(),
     htmlBody: htmlBody,
   });
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_markup]
+// [END gmail_markup]

gmail/quickstart/quickstart.gs

@@ -1,5 +1,5 @@
 /**
- * Copyright Google LLC
+ * Copyright 2021 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,15 +18,20 @@
  * Lists the labels in the user's account.
  */
 function listLabels() {
-  var response = Gmail.Users.Labels.list('me');
+  try{
+  const response = Gmail.Users.Labels.list('me');
   if (response.labels.length == 0) {
     Logger.log('No labels found.');
   } else {
     Logger.log('Labels:');
-    for (var i = 0; i < response.labels.length; i++) {
-      var label = response.labels[i];
+    for (let i = 0; i < response.labels.length; i++) {
+      const label = response.labels[i];
       Logger.log('- %s', label.name);
     }
   }
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
 // [END gmail_quickstart]

gmail/sendingEmails/sendingEmails.gs

@@ -1,5 +1,5 @@
 /**
- * Copyright Google LLC
+ * Copyright 2021 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,56 +14,70 @@
  * limitations under the License.
  */
 
-// [START apps_script_gmail_send_emails]
+// [START gmail_send_emails]
 /**
  * Sends emails with data from the current spreadsheet.
  */
 function sendEmails() {
-  var sheet = SpreadsheetApp.getActiveSheet();
-  var startRow = 2; // First row of data to process
-  var numRows = 2; // Number of rows to process
+  try{
+   // Get the active sheet in spreadsheet
+  const sheet = SpreadsheetApp.getActiveSheet();
+  let startRow = 2; // First row of data to process
+  let numRows = 2; // Number of rows to process
   // Fetch the range of cells A2:B3
-  var dataRange = sheet.getRange(startRow, 1, numRows, 2);
+  const dataRange = sheet.getRange(startRow, 1, numRows, 2);
   // Fetch values for each row in the Range.
-  var data = dataRange.getValues();
-  for (var i in data) {
-    var row = data[i];
-    var emailAddress = row[0]; // First column
-    var message = row[1]; // Second column
-    var subject = 'Sending emails from a Spreadsheet';
+  const data = dataRange.getValues();
+  for (let i in data) {
+    const row = data[i];
+    const emailAddress = row[0]; // First column
+    const message = row[1]; // Second column
+    let subject = 'Sending emails from a Spreadsheet';
+    //Send emails to emailAddresses which are presents in First column
     MailApp.sendEmail(emailAddress, subject, message);
   }
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_send_emails]
+// [END gmail_send_emails]
 
-// [START apps_script_gmail_send_emails_2]
+// [START gmail_send_non_duplicate_emails]
 // This constant is written in column C for rows for which an email
 // has been sent successfully.
-var EMAIL_SENT = 'EMAIL_SENT';
+let EMAIL_SENT = 'EMAIL_SENT';
 
 /**
  * Sends non-duplicate emails with data from the current spreadsheet.
  */
-function sendEmails2() {
-  var sheet = SpreadsheetApp.getActiveSheet();
-  var startRow = 2; // First row of data to process
-  var numRows = 2; // Number of rows to process
+function sendNonDuplicateEmails() {
+  try{
+  // Get the active sheet in spreadsheet
+  const sheet = SpreadsheetApp.getActiveSheet();
+  let startRow = 2; // First row of data to process
+  let numRows = 2; // Number of rows to process
   // Fetch the range of cells A2:B3
-  var dataRange = sheet.getRange(startRow, 1, numRows, 3);
+  const dataRange = sheet.getRange(startRow, 1, numRows, 3);
   // Fetch values for each row in the Range.
-  var data = dataRange.getValues();
-  for (var i = 0; i < data.length; ++i) {
-    var row = data[i];
-    var emailAddress = row[0]; // First column
-    var message = row[1]; // Second column
-    var emailSent = row[2]; // Third column
+  const data = dataRange.getValues();
+  for (let i = 0; i < data.length; ++i) {
+    const row = data[i];
+    const emailAddress = row[0]; // First column
+    const message = row[1]; // Second column
+    const emailSent = row[2]; // Third column
     if (emailSent !== EMAIL_SENT) { // Prevents sending duplicates
-      var subject = 'Sending emails from a Spreadsheet';
+      let subject = 'Sending emails from a Spreadsheet';
+     //Send emails to emailAddresses which are presents in First column
       MailApp.sendEmail(emailAddress, subject, message);
       sheet.getRange(startRow + i, 3).setValue(EMAIL_SENT);
       // Make sure the cell is updated right away in case the script is interrupted
       SpreadsheetApp.flush();
     }
   }
+  }
+  catch(err){
+    Logger.log(err)
+  }
 }
-// [END apps_script_gmail_send_emails_2]
+// [END gmail_send_non_duplicate_emails]