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Darren Schroeder b318d588fe
add new --flatten parameter to the ast command (#14400) 
# Description

By request, this PR introduces a new `--flatten` parameter to the ast
command for generating a more readable version of the AST output. This
enhancement improves usability by allowing users to easily visualize the
structure of the AST.


![image](https://github.com/user-attachments/assets/a66644ef-5fff-4d3d-a334-4e9f80edb39d)

```nushell
❯ ast 'ls | sort-by type name -i' --flatten --json
[
  {
    "content": "ls",
    "shape": "shape_internalcall",
    "span": {
      "start": 0,
      "end": 2
    }
  },
  {
    "content": "|",
    "shape": "shape_pipe",
    "span": {
      "start": 3,
      "end": 4
    }
  },
  {
    "content": "sort-by",
    "shape": "shape_internalcall",
    "span": {
      "start": 5,
      "end": 12
    }
  },
  {
    "content": "type",
    "shape": "shape_string",
    "span": {
      "start": 13,
      "end": 17
    }
  },
  {
    "content": "name",
    "shape": "shape_string",
    "span": {
      "start": 18,
      "end": 22
    }
  },
  {
    "content": "-i",
    "shape": "shape_flag",
    "span": {
      "start": 23,
      "end": 25
    }
  }
]
❯ ast 'ls | sort-by type name -i' --flatten --json --minify
[{"content":"ls","shape":"shape_internalcall","span":{"start":0,"end":2}},{"content":"|","shape":"shape_pipe","span":{"start":3,"end":4}},{"content":"sort-by","shape":"shape_internalcall","span":{"start":5,"end":12}},{"content":"type","shape":"shape_string","span":{"start":13,"end":17}},{"content":"name","shape":"shape_string","span":{"start":18,"end":22}},{"content":"-i","shape":"shape_flag","span":{"start":23,"end":25}}]
```
# User-Facing Changes
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helps us keep track of breaking changes. -->

# Tests + Formatting
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> **Note**
> from `nushell` you can also use the `toolkit` as follows
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> ```
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# After Submitting
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2024-11-20 11:39:15 -06:00
..
src add new --flatten parameter to the ast command (#14400) 2024-11-20 11:39:15 -06:00
tests allow ps1 files to be executed without pwsh/powershell -c file.ps1 (#14379) 2024-11-20 21:55:26 +08:00
Cargo.toml Add utouch command from uutils/coreutils (#11817) 2024-11-17 18:03:21 -06:00
LICENSE Fix rest of license year ranges (#8727) 2023-04-04 09:03:29 +12:00
README.md Add top-level crate documentation/READMEs (#12907) 2024-07-14 10:10:41 +02:00

README.md

This crate contains the majority of our commands

We allow ourselves to move some of the commands in nu-command to nu-cmd-* crates as needed.

Internal Nushell crate

This crate implements components of Nushell and is not designed to support plugin authors or other users directly.