Optionally execute code in LLM output

[logancyang]

Obsidian auto-executes code blocks for certain languages such as Mermaid. If you have a plugin like dataview, dataview and dataviewjs code are executed automatically too. Since LLM output is rendered with Obsidian's markdown renderer, they get auto execution too.

This is good and bad:

• Good: LLM output can show mermaid diagram and dataview result directly
• Bad: If the code is incorrect, you can't get to the source in the LLM output without copying the entire output to note

A better approach is to not execute the code blocks in the LLM output first, but leave a button for the user to trigger the run manually.

Discussion

2 sides of the argument:

• Auto code execution is on by user choice via other plugins like Dataview or Code Emitter, it is not Obsidian or Copilot's concern (at least at a conceptual level). Basically the user explicitly asks those plugin to execute codeblocks in Obsidian, Copilot Chat is just not excluded from it.
• From the user's point of view, Copilot Chat is not a place for chat mainly, code shouldn't be executed by default.

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There's a case where a user has a JS auto-execution plugin, and the JS in LLM output gets auto-executed. This can be dangerous! There should be an option to "run" in LLM output.

https://x.com/4confusedemoji/status/1833709872057057607

[taygetea]

Ah, yeah. Hi, that's me. This is what I settled on for the moment, but Obsidian makes it extremely annoying to remove the outer block if there's more than one.

The most straightforward way to do this as a plugin I can think of is to force replace the codeblockprocessor string with 'markdown' and inject a button that'll swap them out and rerun it.

Something like this appears to do everything you would need. [https://github.com/mugiwara85/CodeblockCustomizer]()