AppsScriptPulse

Snippet, V8, Beginner, Sheets

Setting Alternate Background Colors for Rows in Google Spreadsheet using Google Apps Script

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This is a sample script for setting alternate background colors for rows in Google Spreadsheet using Google Apps Script.

It has already been known when the conditional formatting rule and custom function are used, this can be simply achieved. In this report, I would like to introduce the method for using Google Apps Script.

Source: Setting Alternate Background Colors for Rows in Google Spreadsheet using Google Apps Script

Community News

Trend of google-apps-script Tag on Stackoverflow 2021

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Year vs. number of Questioners and Answerers. These all questions include the tag of "google-apps-script" in the tags

Year vs. number of Questioners and Answerers. These all questions include the tag of “google-apps-script” in the tags

Trend of google-apps-script Tag on Stackoverflow 2021

Kanshi Tanaike returns with an updated look at trends in the [google-apps-script] tag on Stackoverflow.  A highlight from the report is the continued growth in new questioners, indicating that the Google Apps Script community is continuing to grow.

Source: Trend of google-apps-script Tag on Stackoverflow 2021

Solutions, Sheets, V8

Benchmark: Process Costs for Searching Values with TextFinder in Google Sheets using Google Apps Script

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Here, I would like to report the process costs for searching values in Spreadsheet using Google Apps Script (GAS). When the values are searched in Google Spreadsheet, the following 3 patterns can be considered. Ref

  1. Retrieve all values using getValues, and the values are searched from the retrieved array.
  2. Use TextFinder.
  3. Use Query language.

TextFinder is a relatively new addition to Google Apps Script with was released on April 5, 2019. TextFinder is part of the Spreadsheet Service and provides methods for finding or replacing text within a range, sheet or spreadsheet. There have been some reports on Stack Overflow that the TextFinder methods can be relatively slow to execute compared to using native JavaScript techniques. This post by Tanaike explores the process time of TextFinder against other techniques. Click through to the source for the results and code for running the experiment.

Source: Benchmark: Process Costs for Searching Values in Spreadsheet using Google Apps Script

Solutions, Sheets

Converting Range in Google Spreadsheet as Image using Google Apps Script · tanaike

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This is a sample script for converting a range in Google Spreadsheet as an image data using Google Apps Script. Unfortunately, there are no methods for directly converting the range in Google Spreadsheet as an image data in the built-in functions. So in this case, as a workaround, Charts Service is used.

Source: Converting Range in Google Spreadsheet as Image using Google Apps Script · tanaike

Snippet, Solutions, Slides, V8

Retrieving Data from QR code on Google Slides using Google Apps Script · tanaike

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This is a sample script for decoding a QR code put in Google Slides using Google Apps Script. In this case, Javascript is used at the opened dialog. And Canvas API and jsQR are used.

This is a nice example of how you can easily drop in existing JavaScript libraries into your Apps Script project by using a HTML dialog. The post also has some nice tricks for handing image data, in particular, from getDataFromQRCode() the image data is passed into the HtmlService:

const html = HtmlService.createTemplateFromFile("index");
html.image = JSON.stringify(blob.getBytes()); // adding image data
SlidesApp.getUi().showModalDialog(html.evaluate(), "sample");

This is added in client side with a printing scriptlet:

image.src = `data:image/png;base64,${btoa(String.fromCharCode(...new Uint8Array(Int8Array.of(...JSON.parse(<?= image ?>)).buffer)))}`; 

Another way you could achieve this is base64 encoding the image server side with Utilities.base64Encode().

Source: Retrieving Data from QR code on Google Slides using Google Apps Script · tanaike

Snippet, Solutions, Slides, V8

Cropping Images in Google Slides using Google Apps Script

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This is a sample script for cropping images in the Google Slides using Google Apps Script.

Useful snippet from Tanaike which shows how you can crop images in Google Slides by using the replace(blobSource, crop) method. The  post also highlights a limitation with the image manipulation methods available around crop centering.

Source: Cropping Images in Google Slides using Google Apps Script · tanaike

Snippet, Drive

Converting SVG Format to PNG Format using Google Apps Script · tanaike

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This is a sample script for converting the SVG image data to PNG image data using Google Apps Script. Unfortunately, in the current stage, there are no methods for directly converting the SVG to PNG in Google Drive service. But it can be achieved by Drive API

Nice trick to get .svg files stored in Google Drive in a raster format.

Source: Converting SVG Format to PNG Format using Google Apps Script · tanaike

Snippet, V8, Sheets

Highlighting Row and Column of Selected Cell in Google Sheets using Google Apps Script · tanaike

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This is a sample script for highlighting the row and column of the selected cell using Google Apps Script … and the OnSelectionChange event trigger

Nice little script solution which could be a very useful addition to your script projects as an accessibility feature.

Source: Highlighting Row and Column of Selected Cell using Google Apps Script · tanaike

Snippet, Solutions, Sheets, V8

Using Google Apps Script to disable custom functions assigned to Google Sheets buttons/images to prevent simultaneous execution · tanaike

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This is a sample script for disabling the buttons put on Google Spreadsheet using Google Apps Script. When a script is run by clicking a button on Google Spreadsheet, there is the case that you don’t want to make users run the script in duplicate.

Nice little Google Apps Script snippet that prevents a function assigned to an image or drawing in Google Sheets from being run simultaneously. The clever bit is the code uses Google Apps Script to modify the function assigned to the button/image when it is running.

Source: Disabling Buttons Put on Google Spreadsheet using Google Apps Script · tanaike

Snippet, Sheets

Change Tab Detection on Google Spreadsheet using onSelectionChange Event Trigger with Google Apps Script

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Change Tab Detection on Google Spreadsheet using onSelectionChange Event Trigger with Google Apps Script – submit.md

An example script from Kanshi TANAIKE which lets you test the new onSelectionChange(e) simple event trigger in Google Sheets.

The onSelectionChange(e) trigger runs automatically when a user changes the selection in a spreadsheet.

In the example shared this is used to detect the user changing Google Sheet tab.

Source: Change Tab Detection on Google Spreadsheet using onSelectionChange Event Trigger with Google Apps Script