3Speak is a relatively new video publishing platform in the Steem ecosystem. However, it was missing an official support in Steemit.com. This work is to allow support for the following requirements:
- Render an embedded player when you add a plain URL to a valid 3Speak video URL.
- Allow the use of a valid 3Speak iFrame player
- Replace 3Speak generated image HTML with their embedded player.
What's involved
What's usually involved in adding support for an embedded video player is a little bit tedious (read repetitive) and I'm planning to find a way to make this simpler in the future:
- update helmet directive to allow 3Speak domain names
- come up with regular expressions to detect 3Speak URL, video ID and HTML markup
- update the MarkdownViewer component to generate the embedded player code
- come up with a regular expression to inform the sanitizer whitelist 3Speak's specific iframe code
New logic for embedded players
A new logic was added for 3Speak: replacing their linked image with an embedded player. Up until now, there was only two ways of rendering an embedded player on Steemit.com:
- a URL in plain text
- an iframe HTML code
However, when a user upload a video on 3Speak, their system creates a blog post with a big image linking to the 3Speak page. The code looks something like this:
[](https://3speak.online/watch?v=wehmoen/xrhjxocx)
The thing is the HTMLReady tool only allows replacement of text nodes but the Mardown code above has already been replaced with its HTML equivalent, hence bypassing HTMLReady. So I had to preprocess the HTML before it gets passed to HTMLReady.
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