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# Description This PR closes #14137 and allows the display hook to be set on byte streams. So, with a hook like this below. ```nushell display_output: { metadata access {|meta| match $meta.content_type? { "application/x-nuscript" | "application/x-nuon" | "text/x-nushell" => { nu-highlight }, "application/json" => { ^bat --language=json --color=always --style=plain --paging=never }, _ => {}, } } | table } ``` You could type `open toolkit.nu` and the text of toolkit.nu would be highlighted by nu-highlight. This PR also changes the way content-type is assigned with `open`. Previously it would only assign it if `--raw` was specified. Lastly, it changes the `is_external()` function to only say `ByteStreamSource::Child`'s are external instead of both Child and `ByteStreamSource::File`. Again, this was to allow the hook to function properly. I'm not sure what negative ramifications changing `is_external()` could have, but there may be some? # User-Facing Changes <!-- List of all changes that impact the user experience here. This helps us keep track of breaking changes. --> # Tests + Formatting <!-- Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - `cargo run -- -c "use toolkit.nu; toolkit test stdlib"` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # After Submitting <!-- If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. --> |
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| .. | ||
| byte_stream.rs | ||
| handlers.rs | ||
| list_stream.rs | ||
| metadata.rs | ||
| mod.rs | ||
| out_dest.rs | ||
| pipeline_data.rs | ||
| signals.rs | ||