Jonathan Neal jonathantneal

## _define.js
// 209/154 byte/gzip

/**
* Return an object with a property defined in a class prototype manner
* @param {T} object object on which to define the property
* @param {String|Symbol} key name or symbol to be defined
* @param {Descriptor} proto descriptor for the property being defined
* @template T
* @return {T}
*/

## es5class.js
// 281 bytes:

/** Return a class with prototype values conditionally inheriting from a super class
* @param {string} name name of the class
* @param {Object<string,any>} prototype prototype values of the class
* @param {Function} [Super] super class inherited by the class
* @return {Function}
*/
function _class(name, prototype, Super) {
	var Class = Function('_', 'return function ' + name + '(){return _(this,arguments)}')(

## _extends.js
// 128/122 byte/gzip

/** Extend a class with a super class
* @param {Function} Class - class inheriting from the super class
* @param {Function} Super - super class inherited by the class
* @example <caption>Yayay extends Array</caption>
* function Yaray() {}
* _extends(Yaray, Array)
*/
function _extends(Class, Super) {

## README.md

      
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                jonathantneal
                / README.md
            
            
              Last active Sep 12, 2019
            
              
                Minimal Node Servers
              
          
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    Minimal Node Servers
A collection of code snippets that create servers in as few steps as possible.
Minimal HTTP Server
// setup (61 bytes):
const http = require('http');

  
## getUnsupportedBrowsersByCaniuseId.js
const caniuse = require('caniuse-lite');

// return a list of all unsupported browsers by a caniuse id
function getUnsupportedBrowsersByCaniuseId (caniuseId) {
	// get compressed feature details from caniuse-lite by a caniuse id
	const featureDetails = caniuse.features[caniuseId];

	// if the feature exists
	if (featureDetails) {
		// get browsers stats for the feature

## getPropertyDescriptor.js
/**
* Return the property descriptor of a given object
* @param {Object} obj - The object for which to access property descriptors
* @param {String|Symbol} key - The name or Symbol of the property whose descriptor is to be retrieved
* @return {Object} The property descriptor of the given object
*/

function getPropertyDescriptor (obj, key) {
	if (obj === undefined || obj === null) {
		throw new TypeError('Cannot convert undefined or null to object');

## README.md

      
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                jonathantneal
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              Last active May 21, 2019
            
              
                JavaScript Array Transduce and FlatMap Alternative
              
          
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    transduce
The transduce function creates a new array of elements passing a filter and resulting from a map.
Implementation
function transduce (filterCallbackFn, mapCallbackFn, ...transduceArgs) {
  return Array.prototype.reduce.call(
    this,

  
## README.md

      
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                jonathantneal
                / README.md
            
            
              Created May 1, 2019
            
              
                babel-plugin-transform-globals: How I generate browserGlobals.js
              
          
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In each browser, I get a JSON-stringified array of every property name on window except itself. I place these names into files like name.chrome.json or name.firefox.json.

<!doctype html>
<body>
<script>
(function () {
	const windowNames = Object.getOwnPropertyNames(window).filter(name => name !== 'window');
	const textarea = document.createElement('textarea');
	textarea.value = JSON.stringify(windowNames);

  
## babel-plugin-utils.js
function getReplacementIdentifiers (globals, types) {
	return Object.keys(Object(globals)).reduce(
		(object, name) => Object.assign(object, {
			[name]: module.exports.createMemberExpressionFromString(globals[name], types)
		}),
		{}
	);
}

function getImportsBySource (globals) {

## recovery.sh
#!/bin/sh

# Set the macOS installer path as a variable
MACOS_INSTALLER="/Applications/$(ls /Applications | grep "Install macOS")"
MOUNT_POINT="$MACOS_INSTALLER/Contents/SharedSupport"
echo "macOS installer is \"$MACOS_INSTALLER\""

# Set the target disk as a variable
TARGET=$(diskutil info "$(bless --info --getBoot)" | awk -F':' '/Volume Name/ { print $2 }' | sed -e 's/^[[:space:]]*//')
echo "Target disk is \"$TARGET\""