Optimage

Installation

npm install -D optimage-cli

Usage

npx optimage-cli "{path}" "{ignore}" [--config=path/to/config.json]

Argument

| Argument | Description | Example | | -------- | ----------- | ------- | | path | A Glob pattern that match all files to optimize. | "images/**/*.@(png|jpg|jpeg|gif|webp)" | | ignore | A Glob pattern that match files to ignore. | "images/raw/*" |

Options

| Option | Description | Example | | -------- | ----------- | ------- | | --config | Relative or absolute path the a JSON config file. | optimage.json |

Example usage

node optimage "images/**/*.@(png|jpg|jpeg|gif|webp)" "images/raw/**/*" --config=optimage.json

Optimize all png and jpeg image files in ./images exept those in the ./images/raw folder using configuration from optimage.json.

Configuration

| Entry | Description | | ----- | ----------- | | cache | Sharp cache configuration | | options | Sharp images options (applied to all formats) | | jpeg | Sharp jpeg options | | png | Sharp png options | | webp | Sharp webp options | | gif | Sharp gif options |

Example configuration

optimage.json:

{
  "cache": {
    "memory":  500
  },
  "options": {
    "quality": 80
  },
  "png": {
    "compressionLevel": 9
  },
  "webp": {
    "reductionEffort": 6
  },
  "jpeg": {
    "quality": 75
  }
}