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https://github.com/scratchfoundation/scratch-blocks

Scratch Blocks is a library for building creative computing interfaces.
https://github.com/scratchfoundation/scratch-blocks

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Scratch Blocks is a library for building creative computing interfaces.

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README 

        
# scratch-blocks



Scratch Blocks is a library for building creative computing interfaces.



[![CircleCI](https://dl.circleci.com/status-badge/img/gh/LLK/scratch-blocks/tree/develop.svg?style=shield)](https://dl.circleci.com/status-badge/redirect/gh/LLK/scratch-blocks/tree/develop)



![An image of Scratch Blocks running on a tablet](https://cloud.githubusercontent.com/assets/747641/15227351/c37c09da-1854-11e6-8dc7-9a298f2b1f01.jpg)



## Introduction



Scratch Blocks is a fork of Google's [Blockly](https://github.com/google/blockly) project that provides a design

specification and codebase for building creative computing interfaces. Together with the [Scratch Virtual Machine

(VM)](https://github.com/scratchfoundation/scratch-vm) this codebase allows for the rapid design and development of visual

programming interfaces. Unlike [Blockly](https://github.com/google/blockly), Scratch Blocks does not use [code

generators](https://developers.google.com/blockly/guides/configure/web/code-generators), but rather leverages the

[Scratch Virtual Machine](https://github.com/scratchfoundation/scratch-vm) to create highly dynamic, interactive programming

environments.



*This project is in active development and should be considered a "developer preview" at this time.*



## Two Types of Blocks



![A divided image showing horizontal blocks on the left and vertical blocks on the right](https://cloud.githubusercontent.com/assets/747641/15255731/dad4d028-190b-11e6-9c16-8df7445adc96.png)



Scratch Blocks brings together two different programming "grammars" that the Scratch Team has designed and continued

to refine over the past decade. The standard [Scratch](https://scratch.mit.edu) grammar uses blocks that snap together

vertically, much like LEGO bricks. For our [ScratchJr](https://scratchjr.org) software, intended for younger children,

we developed blocks that are labelled with icons rather than words, and snap together horizontally rather than

vertically. We have found that the horizontal grammar is not only friendlier for beginning programmers but also better

suited for devices with small screens.



## Documentation



The "getting started" guide including [FAQ](https://scratch.mit.edu/developers#faq) and [design

documentation](https://github.com/scratchfoundation/scratch-blocks/wiki/Design) can be found in the

[wiki](https://github.com/scratchfoundation/scratch-blocks/wiki).



## Donate



We provide [Scratch](https://scratch.mit.edu) free of charge, and want to keep it that way! Please consider making a

[donation](https://secure.donationpay.org/scratchfoundation/) to support our continued engineering, design, community,

and resource development efforts. Donations of any size are appreciated. Thank you!



## Committing



This project uses [semantic release](https://github.com/semantic-release/semantic-release) to ensure version bumps

follow semver so that projects depending on it don't break unexpectedly.



In order to automatically determine version updates, semantic release expects commit messages to follow the

[conventional-changelog](https://github.com/bcoe/conventional-changelog-standard/blob/master/convention.md)

specification.



You can use the [commitizen CLI](https://github.com/commitizen/cz-cli) to make commits formatted in this way:



```bash

npm install -g commitizen@latest cz-conventional-changelog@latest

```



Now you're ready to make commits using `git cz`.