github-code Web Component
Mirrored from Simon Willison for archival readability. Support the source by reading on the original site.
7th July 2026
An experimental Web Component built using GPT-5.5 and the following prompt:
let's build a Web Component for embedding code from GitHub
<github-code href="https://github.com/simonw/sqlite-ast/blob/437c759129154f05296324a7f82aa1246340dd14/sqlite_ast/parser.py#L9-L18"></github-code>
It takes URLs like that, converts them to https://raw.githubusercontent.com/simonw/sqlite-ast/437c759129154f05296324a7f82aa1246340dd14/sqlite_ast/parser.py, then uses fetch() to fetch them and displays the specified range of lines - with line numbers, no syntax highlighting though
Show me a preview web browser so I can see your work
Here's what it looks like embedded on this page:
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This is a beat by Simon Willison, posted on 7th July 2026.
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