clean-pkg-json

clean-pkg-json

Script to remove unnecessary properties from package.json on prepublish hook.

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Why?

package.json is primarily for declaring an npm package and describing how it can be consumed.

However, it can often get bloated with development concerns such as devDependencies and configuration like eslintConfig, prettier, lint-staged, simple-git-hooks, etc.

Use clean-pkg-json in a prepublish hook to remove unnecessary properties from package.json. Useful in micropackages where every byte matters.

Usage

Add clean-pkg-json to the prepack hook, which runs before npm publish and npm pack.

// package.json
{
    "name": "my-package",
    // ...
    "scripts": {
        // ...
        "prepack": "clean-pkg-json"
    }
}

Flags

Flag	Description
-k, --keep <property name>	Property names to keep. Accepts multiple flags or a comma-delimited list.
-v, --verbose	Verbose logs.
-d, --dry	Dry run mode. Instead of writing to disk, it will log it.
-h, --help	Show help
--version	Show version

Default preserved properties

By default, these properties are preserved in package.json:

name, version, private, publishConfig, type, files, bin, browser, main, module, types, exports, imports, man, dependencies, peerDependencies, peerDependenciesMeta, bundledDependencies, optionalDependencies, engines, os, cpu, description, keywords, author, contributors, license, homepage, repository, bugs, funding