tablefmt - Markdown Table Formatter for Zed

A Zed extension that formats markdown tables with properly aligned columns.

Installation

Install from the Zed extension marketplace by searching for "tablefmt" or "Markdown Table Formatter".

Usage

1. Select a markdown table in your document
2. Run Editor: Format Selection (or use the keyboard shortcut)
3. The table will be formatted with aligned columns

Example

Before:

| Name | Age | City |
|---|---|---|
| Alice | 30 | New York |
| Bob | 25 | Los Angeles |

After:

| Name  | Age | City        |
|-------|-----|-------------|
| Alice | 30  | New York    |
| Bob   | 25  | Los Angeles |

Features

• Aligns all columns based on the widest cell in each column
• Properly formats separator rows with appropriate dash widths
• Works with any valid markdown table format

Building from Source

Prerequisites

• Rust (via rustup)

The required WASM target will be installed automatically via rust-toolchain.toml.

Extension (WASM)

cargo build --release --target wasm32-wasip1

LSP Binary

cd lsp
cargo build --release

License

MIT License - see LICENSE for details.