Oleksandr Kholiavko f65b8464f6 csv_preview: Evolve into tabular data preview (#60768)
# Objective

The MVP version of CSV preview is ready. However it's trivial to extend
it to TSV & other formats.

## Solution

This PR does exactly that - switching from CSV only to any tabular data
(TSV/CSV/PSV/SSV).
1. added `tsv`/`psv`/`ssv` support
2. renamed action/eye button & crate
3. added `.psv`/`.ssv` types to use database icon (similar to
`csv`/`tsv`)
2. Added `Table` svg icon (was previously missing) so preview is not
longer using book icon (from markdown preview).

> NOTE: Crate renaming will be done separately (as it's mechanical work
& I don't want to mix it with logic changes)

## Testing

Opened csv/tsv/psv/ssv files in peview

## Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content adheres to Zed's UI standards
([UX/UI](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
and
[icon](https://github.com/zed-industries/zed/blob/main/crates/icons/README.md)
guidelines)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

## Showcase

PSV/SSV file formats icon

| Before | After |
| --- | --- |
| <img width="141" height="136" alt="image"
src="https://github.com/user-attachments/assets/ff5ec1a2-10e3-4363-a467-d535c7f621c0"
/> | <img width="143" height="135" alt="image"
src="https://github.com/user-attachments/assets/f4a85276-beee-4d3e-bc59-319c4fc8812c"
/> |

Change namespace for actions (`csv` -> `tabular data`)

| Before | After |
| --- | --- |
| <img width="551" height="150" alt="image"
src="https://github.com/user-attachments/assets/f7b79a7f-b300-4d14-8565-b42b3bcb11c4"
/> | <img width="558" height="152" alt="image"
src="https://github.com/user-attachments/assets/be9dcc54-51a4-4736-9539-172fecabdf6d"
/> |


Update parser & detection logic to support preview for TSV/PSV/SSV

| Before | After |
| --- | --- |
| <img width="470" height="287" alt="image"
src="https://github.com/user-attachments/assets/d0222bd1-91a7-46e0-b4da-76be0642bf51"
/> | <img width="541" height="275" alt="image"
src="https://github.com/user-attachments/assets/3c4d237a-4956-46ad-b7d6-3a8782b41888"
/> |


Introduce table svg icon

| Before | After |
| --- | --- |
| <img width="349" height="66" alt="image"
src="https://github.com/user-attachments/assets/bd7999ef-516f-43d1-a0e6-50055c1c3bed"
/> | <img width="331" height="50" alt="image"
src="https://github.com/user-attachments/assets/fc534921-0c15-421c-b046-8c5967178d24"
/> |


---

Release Notes:

- N/A or Added/Fixed/Improved ...
2026-08-14 15:58:14 +00:00
2026-08-12 08:35:43 +00:00
2026-07-29 13:03:22 +00:00
2026-01-22 23:57:26 +05:30
2026-07-27 05:59:53 +00:00
WIP
2023-12-14 09:25:14 -07:00
2026-08-09 22:29:52 +00:00
2026-08-09 22:29:52 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2026-06-27 15:06:29 +00:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00

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