AppsScriptPulse

Snippet, V8

Apps Script V8: spreading and destructuring – Desktop liberation

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V8 adds destructuring from  JavaScript ES6. Legacy Apps Script already had destructuring of arrays added fairly recently, but v8 gives full a destructuring capabilitity. These destructuring and spreading capabilities, which at first may again seem a little like syntactic sugar, have contributed greatly to  the development of state management frameworks such as Vuex and Redux for client side apps. V8 brings some of that cleanliness to Apps Script.

Source: Apps Script V8: spreading and destructuring – Desktop liberation

Snippet, V8

JavaScript V8 Arrow functions, this and that – Desktop liberation

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V8 adds the arrow function declarator from modern JavaScript. This is a handy shorthand but it’s more than just that. There are some behavioral differences too that you’ll need to understand before diving in. The old way of declaring functions still exists of course, and there will always be a need for it.

More tips and guidance from Bruce Mcpherson for developers migrating code to the Apps Script V8 runtime.

Source: JavaScript V8 Arrow functions, this and that – Desktop liberation

Snippet, V8

Apps Script V8: Maps and Sets – Desktop liberation

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Sets and Maps can often be a cleaner way of storing data than using Objects or Arrays, even though at first glance they may seem a little redundant. Unlike an array, they are aware of what else is in the map or set (so you can avoid duplicates), and unlike an object, you can use anything as the key – including the item value itself

Given many Apps Script projects focus on manipulating data Bruce Mcpherson provides a useful introduction to Maps and Sets.

Source: Apps Script V8: Maps and Sets – Desktop liberation

Snippet, V8

Apps Script V8: Template literals – Desktop liberation

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It’s a shorthand way of using a template into which variables are subsituted in a string. This allows for better reuse of string structures, and a few other goodies besides (like all V8 additions, it’s more than just a syntactical spruce up)

Bruce Mcpherson has a very useful post highlighting the benefits of using the new V8 runtime when working with string output

Source: Apps Script V8: Template literals – Desktop liberation

Official News, V8

Apps Script’s new V8 runtime | Google Cloud Blog

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This update to Apps Script lets users take advantage of modern JavaScript features and enhances new or existing scripts with less verbose, more standardized code.

This post from Alexandrina Garcia-Verdin, better known in the community as AGV, highlights some of the benefits of the new Google Apps Script V8 runtime including succinct syntax and data processing operations: map(), filter() and reduce(). As part this AGV also highlights some of the resources from Ben Collins and Amit Agarwal put together to support the community transition to V8. A nice feature of this post from AGV is side-by-side comparisons of old and new JavaScript syntax:

Image source: Google

Source: Apps Script’s new V8 runtime | Google Cloud Blog

Solutions, Docs, Drive, Forms, Gmail, Sheets, V8

G Suite Solutions —  Apps Script Powered Workflow Automation

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Laura Taylor recently spoke at SheetsCon on the topic of Automation with Apps Script. During the presentation, she walked through a simple approval workflow for a hypothetical small business to demonstrate the power of Apps Script to automate workflow inside G Suite. She also showcased modern ECMAScript features supported by the new Apps Script V8 Javascript runtime.

The article is an overview of the workflow covered in the author’s presentation along with install instructions for trying it out in your G Suite domain.

Source: G Suite Solutions —  Apps Script Powered Workflow Automation

Snippet, V8

Things one can get used to for the V8 Google Apps Scripts engine

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A bit of a monologue about various syntax changes and adjustments in learning and using the tool.

Great post from Adam Morris (@clssrmtechtools) aimed at Google Apps Script developers wanting to start coding with the more modern JavaScript syntax used in V8. Adam shares lots of great advice to get started and build upon.

Source: Things one can get used to for the V8 Google Apps Scripts engine

Snippet, V8

Google Apps Script V8 variable scopes – var, const and let – Desktop liberation

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One of the key things that V8 has sorted out is the scope of variables. Using var to declare variables meant that anything declared within the scope of a function could easily be accidentally overwritten, causing hard to track down errors. ES6 (since it’s commonly known as V8 in Apps Script – I’ll be referring to it as V8 from now on), has added const and let to the variable declaration vocabulary to help prevent these kind of problems.

With the introduction to the new Google Apps Script V8 runtime new opportunities are available for writing clean and robust code in the script editor using modern JavaScript syntax. In this post from Bruce Mcpherson you can learn some of the basics of var, const and let.

Source: JavaScript V8 variable scopes – Desktop liberation

Snippet, Solutions, V8

Logger Drop-in Replacement for V8 Runtime

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Why not make it a proper library? Because to make it a drop-in replacement, needs to have access to global scope, which a library doesn’t.

The V8 runtime changes how the Logger class works, which has shown much slower load times for simple Logging statements. This snippet writes all Logger.log calls to a spreadsheet when invoked, greatly speeding up development time.

Source: classroomtechtools/modularLibrariesV8

Community News, V8

Benchmark: Loop for Array Processing using Google Apps Script with V8

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Benchmark: Loop for Array Processing using Google Apps Script with V8 – submit.md

Kanshi Tanaike has published some useful benchmarks looking at the process time for various loop methods comparing the old Google Apps Script runtime with V8. Something to keep in mind that while there are performance improvements there is a cost as calls to G Suite services:

Source: Benchmark: Loop for Array Processing using Google Apps Script with V8