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Make pictures of Scratch blocks from text.

Screenshot

Try it out!

scratchblocks is used to write Scratch scripts:

It's MIT licensed, so you can use it in your projects. (But do send me a link on Twitter!)

For the full guide to the syntax, see the wiki.

Usage

MediaWiki

Use the MediaWiki plugin. (This is what the Scratch Wiki uses.)

WordPress

I found a WordPress plugin. It might work for you; I haven't tried it.

Pandoc

Code Club use their own lesson_format tool to generate the PDF versions of their project guides. It uses the pandoc_scratchblocks plugin they wrote to make pictures of Scratch scripts.

This would probably be a good way to write a Scratch book.

HTML

Include the scratchblocks JS file on your webpage:

<script src="https://scratchblocks.github.io/js/scratchblocks-v3.x-min.js"></script>

x must be replaced with a version number. You can see the list of the available versions.

Then call scratchblocks.renderMatching after the page has loaded, which will render matching page elements to shiny scratch blocks. Its sole argument is the CSS-style selector for the elements that contain the scratchblocks code. It uses pre.blocks by default.

scratchblocks.renderMatching('pre.blocks');

Inline blocks

To use blocks inside a paragraph...

I'm rather fond of the <code class="b">stamp</code> block in Scratch.

...make a separate call to renderMatching using the inline argument.

scratchblocks.renderMatching("code.b", {inline: true});

Browserify

You can even use scratchblocks with browserify, if you're into that sort of thing.

Once you've got browserify set up to build a client-side bundle from your app code, you can just add scratchblocks to your dependencies, and everything should Just Work™.

var scratchblocks = require('scratchblocks');
scratchblocks.renderMatching('pre.blocks');

Languages

To update the translations:

npm upgrade scratchr2_translations
npm run locales

In the browser, include translations.js, translations-all.js or build your own language pack.

translations.js contains all the languages needed on the Scratch Forums.

translations-all.js contains all the languages Scratch supports.

If you want to build your own language pack, use scratchblocks.loadLanguage(lang) where lang is the contents of src/locales/lang.json.

Adding a language

Each language requires some additional words which aren't in Scratch itself (mainly the words used for the flag and arrow images). I'd be happy to accept pull requests for those! You'll need to rebuild the translations with npm run locales after editing the aliases.

Development

This should set you up and start a http-server for development:

npm install
npm start

Then open http://localhost:8000/ :-)

For more details, see CONTRIBUTING.md.

Credits

Many, many thanks to the contributors!

  • Authored by tjvr
  • Icons derived from Scratch Blocks (Apache License 2.0)
  • Scratch 2 SVG proof-of-concept, shapes & filters by as-com
  • Anna helped with a formula, and pointed out that I can't read graphs
  • JSO designed the syntax and wrote the original Block Plugin
  • Help with translation code from joooni
  • Block translations from the Scratch translation server
  • Ported to node by arve0