7.23.9-2 • Published 1 month ago

babylonia v7.23.9-2

Weekly downloads
3
License
MIT
Repository
github
Last release
1 month ago

Babylonia

A zero-dependency package which vendors all @babel modules for security and simplicity. It follows the same versioning scheme as babel: e.g. babylonia@7.2.2 includes @babel/core@7.2.2.

Usage

Simply require babylonia instead of @babel/core. All modules typically residing under @babel/ will resolve with babylonia/ as a prefix.

const fs = require('fs');
const path = require('path');
const babel = require('babylonia');
const filename = path.resolve(process.argv[2]);

const options = {
  presets: [
    ['babylonia/preset-env', {
      targets: {
        browsers: ['last 2 versions']
      },
      useBuiltIns: 'usage',
      loose: true
    }]
  ],
  filename,
  code: true,
  ast: false
};

const config = babel.loadPartialConfig(options);
const code = fs.readFileSync(filename, 'utf8');

babel.transform(code, config.options, (err, result) => {
  if (err)
    throw err;

  console.log(result.code);
});

As an extra bonus, babylonia users never have to consider which @babel modules to add to their package.json.

CLI Usage

This module will provide babel, babel-external-helpers, babel-node, and babel-parser commands. This will conflict with the regular @babel/cli, @babel/node, and @babel/parser.

$ babel -h

Disclaimer & Reasoning

Although its snappy name may make it look like one, Babylonia is not an official @babel module. It's simply a snapshot of all @babel NPM packages. It was specifically created for the bcoin development cycle. Bcoin is a cryptocurrency project whose devs and users are particularly target-able for certain kinds of package attacks like the one seen on the event-stream package. As such, we seek to minimize the NPM attack surface.

Why not use shrinkwrap?

Bundling the dependencies directly allows one to clone directly from github without having to run npm install. We are aiming to minimize reliance on NPM altogether.

Why not use babel-standalone?

babel-standalone by itself does not provide a complete solution. Several plugins and presets would still need to be included. Furthermore, as of babel@7.2.2 babel-preset-env-standalone is broken and throws an error when required.

Why not bundle it?

Babel is a massive codebase and it is non-trivial to compile it into a single file (as evidenced by the official babel-preset-env-standalone package not even working!), especially when its baked-in behavior assumes dynamic requires for things like presets and plugins.

License

Babel License

MIT License

Copyright (c) 2014-2018 Sebastian McKenzie and other contributors

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Babylonia License

This software is licensed under the MIT License.

Copyright (c) 2018, Christopher Jeffrey (https://github.com/chjj)

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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