Huzma NPM | npm.io

بسم الله الرحمن الرحيم

Huzma 📦

A manifest format for browser-based package managers

Huzma (the Arabic word for package, pronounced like this, spelt in Arabic حزمة) is a manifest format for browser-based package managers. This library is a Javascript implementation of the Huzma manifest format which includes:

Various functions, constants, and types to aid in creating and validating huzma manifests.
A command line interface to ease automation.

Originally made to import game mods into the Zakhaarif Launcher, this format takes inspiration from Node's package.json and Rust's cargo.toml manifest formats.

Installation

npm i huzma

Specification

A huzma is a json file that has the file extension .huzma.json and includes these keys:

⚠️ Required

schema: an integer value of 1 or 2, indicating which huzma version is used.
name: a string naming package.
version: a vaild semver (semantic version) string, indicating the version of package. Implementation provided by small-semver package.

✅ Optional

files: an array of strings or objects indicating files that should be cached on disk if possible (via Cache API, IndexedDB, etc.). Objects must include a string value at name field and an optional integer value at bytes field and invalidation (string) at invalidation field.
If a string value is provided it indicates the relative url of a file. If an object value is provided the name field repersents the relative url of a file, the invalidation field repersents how file should be diffed on package update, and the bytes field repersents uncompressed size of file in bytes.
All File urls must be relative to huzma manifest and cannot be an absolute url or start with ../.
Example:
```
{
    "files": [
        "index.js",
        "./index.js",
        "assets/cat.png",
        {"name": "assets/doggo.png"},
        {"name": "styles/style.css", "bytes": 1234},
        {
            "name": "multi-thread.wasm", 
            "invalidation": "purge"
        },
        {
            "name": "config.json", 
            "invalidation": "url-diff",
            "bytes": 10540
        }
    ]
}
```
entry: a url relative to huzma manifest that denotes an entry script (cannot be an absolute url or start with ../.). This communicates to package managers which file to import in order to execute code included in package.
invalidation: specify the default invalidation strategy for all files mentioned in files field.
description: a string that describes package.

authors: an array of objects repersenting project maintainers / main contributors. Object must include a string value at name field, and optionally can provide an email value at email field and url (absolute) for at url field.

Example:

{
    "authors": [
        {"name": "moomoolive"}, 
        {
            "name": "milk_farmer", 
            "email": "lactose-free@dairy.com"
        }, 
        {
            "name": "pure_lactose", 
            "email": "we-love-lactose@farm.com", 
            "url": "https://whatsinyourmilk.milk"
        }
    ]
}

logoUrl: a relative or absolute url to a picture that repersents package. Examples: https://yo-mamas.house/logo.png, ./silly-logo.jpg, etc.
keywords: an array of string tags that describe package. Examples: penguins, kitties, html-parser, etc.
license: a string denoting license granted to package user. Examples: MIT, GPL-3, Apache-2, My-Own-Cool-License, etc.
repo: an object representing package's code repository, with an optional string value at type field and url at url field.
Example:
```
{
    "repo": {
        "type": "git", 
        "url": "https://github.com/moomoolive/huzma"
    }
}
```
homepageUrl: absolute url to package website. Example: https://www.nexusmods.com/my-amazing-mod-homepage
permissions: an array of strings or objects with a string value at key field and an array of strings at value field. A string value (i.e "permission") is equivalent to an object with a string value at key field and an empty array at value field (i.e { "key": "permission", "value": [] }).
It is up to package managers to implement a concrete set of permissions.
Example:
```
{
    "permissions": [
        "permission1",
        {"key": "permission2", "value": []},
        {"key": "permission3", "value": ["value1"]},
        {"key": "permission3", "value": ["value1", "value2"]},
    ]
}
```
metadata: an object of arbitrary key & value pairs, where values are strings. Denotes specific information a particular package manager may want to know about package. Works similar to http headers.
Example:
```
{
    "metadata": {
        "is-extension": "true",
        "pkg-manager-x-key": "key-exists",
        "created": "100003231414",
        "updated": "100003431414"
    }
}
```

Invalidations

If a new version of a package is released, package managers will need to update the cached files of said package. Providing an invalidation strategy for a file(s) hints to package managers how to cache files.

Here are a list of strategies that may be provided:

url-diff: file should only be cached if file with same url does not exist in package manager cache. Otherwise, file should not be cached.
purge: file should be recached on every new package version, regardless if a file with same url exists in package manager cache. By default the entry file of a huzma manifest uses this strategy if it is found in files.
default: let package manager decide.

Command Line Tools

This package comes bundled with cli commands to help create huzem (plural for huzma). All commands can be programmatically invoked from as well. Package must be installed to invoke commands.

npx huzma-init: initialize a huzma config file - a configuration file which is used by other commands in this package.

Options:

path: a path where huzma config file should be created, must end with js or mjs extension. Defaults to huzma.config.mjs.

CLI:

npx huzma-init --path huzma.config.mjs

JS:

import {initHuzma} from "huzma/dist/cli.js"

await initHuzma({path: "huzma.config.mjs"})

template: available templates include zakhaarif. Defaults to empty string.

CLI:

npx huzma-init --template zakhaarif

JS:

import {initHuzma} from "huzma/dist/cli.js"

await initHuzma({template: "zakhaarif"})

npx huzma-create: create a huzma manifest.

Options:

buildDir: ⚠️ required, directory that includes all package files.

CLI:

npx huzma-create --buildDir dist

JS:

import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({buildDir: "dist"})

outFile: the full path with the generated huzma manifest should be written to. Path must end with .huzma.json. Defaults to buildDir + default.huzma.json.
CLI:
```
npx huzma-create --outFile dist/default.huzma.json
```
js:
```
import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({outFile: "dist/default.huzma.json"})
```

configFileName: path to huzma config file, path must end with js or mjs. Can be generated via npx huzma-init command. Defaults to huzma.config.mjs

CLI:

npx huzma-create --configFileName huzma.config.mjs

JS:

import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({configFileName: "huzma.config.mjs"})

packageJsonPath: Path to package json from which to auto-fill missing values from. See disablePackageJsonFill for more details. Defaults to package.json
CLI:
```
npx huzma-create --packageJsonPath package.json
```
JS:
```
import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({packageJsonPath: "package.json"})
```
disablePackageJsonFill: Whether missing values not found in config file & inline config should be autofilled from package json. Values in package json are given a lower precedent than values found in config file or inline config. Setting flag disables auto-fill. To set path of package json set the packageJsonPath argument. Values that can be auto-filled from package.json include:
- name
- version
- description
- keywords
- license
- repository: maps to huzma's repo field.
- contributors: maps to huzma's authors field.
- homepage: maps to huzma's homepageUrl field.
  CLI:
```
npx huzma-create --disablePackageJsonFill
```
  JS:
```
import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({disablePackageJsonFill: true})
```

inlineConfigFile: provide an inline config, which takes precedent over config file. Defaults to null. Cannot be used from cli.

JS:

import {createHuzma} from "huzma/dist/cli.js"

await createHuzma({
    inlineConfigFile: {
        name: "my-huzma",
        version: "0.1.0"
        // ...rest of config
    }
})

manifest browser dependencies

@jsdevtools/file-path-filter command-line-args filehound semver small-semver zod

@everything-registry/sub-chunk-1880

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