baoyu-compress-image

SKILL.md

Image Compressor

Compresses images using best available tool (sips → cwebp → ImageMagick → Sharp).

Script Directory

Scripts in scripts/ subdirectory. {baseDir} = this SKILL.md's directory path. Resolve ${BUN_X} runtime: if bun installed → bun; if npx available → npx -y bun; else suggest installing bun. Replace {baseDir} and ${BUN_X} with actual values.

Script
Purpose

scripts/main.ts
Image compression CLI

Preferences (EXTEND.md)

Check EXTEND.md in priority order — the first one found wins:

Priority
Path
Scope

1
.baoyu-skills/baoyu-compress-image/EXTEND.md
Project

2
${XDG_CONFIG_HOME:-$HOME/.config}/baoyu-skills/baoyu-compress-image/EXTEND.md
XDG

3
$HOME/.baoyu-skills/baoyu-compress-image/EXTEND.md
User home

If none found, use defaults.

EXTEND.md supports: Default format, default quality, keep-original preference.

Usage

${BUN_X} {baseDir}/scripts/main.ts <input> [options]

Options

Option
Short
Description
Default

<input>

File or directory
Required

--output
-o
Output path
Same path, new ext

--format
-f
webp, png, jpeg
webp

--quality
-q
Quality 0-100
80

--keep
-k
Keep original
false

--recursive
-r
Process subdirs
false

--json

JSON output
false

Examples

# Single file → WebP (replaces original)
${BUN_X} {baseDir}/scripts/main.ts image.png

# Keep PNG format
${BUN_X} {baseDir}/scripts/main.ts image.png -f png --keep

# Directory recursive
${BUN_X} {baseDir}/scripts/main.ts ./images/ -r -q 75

# JSON output
${BUN_X} {baseDir}/scripts/main.ts image.png --json

Output:

image.png → image.webp (245KB → 89KB, 64% reduction)

Extension Support

Custom configurations via EXTEND.md. See Preferences section for paths and supported options.
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