david kaye dfkaye

## utc-date-to-locale-date-string.js
// 16 July 2019
export { UTCDate };

/**
 * @function UTCDate accepts a datetime number or string in milliseconds since
 * 1 January 1970 UTC and returns a formatted human-readable date string.
 *
 * Given: UTCDate(1363358559454)
 * Returns: "March 15, 2013 at 7:42:39 AM"
 *

## accessible-loading-spinner.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <title>accessible loading spinner</title>
    <!-- see http://pauljadam.com/demos/loading-indicator.html -->

    <style nonce="4AEemGb0xJptoIGFP3Nd">

      html {
        font-size: 1em;

## august-2019.md

      
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                dev-links for august 2019...
              
          
      View august-2019.md
  
    
    August 2019

coming soon eventually...

Designing Robust Systems

Dan Golant (2017), Hapi-er Express Routing with Celebrate (an Express middleware for Joi validation) and Joi (the built-in schema validation library for Hapi) - https://hackernoon.com/hapi-er-express-routing-with-celebrate-and-joi-9986cc421e24 - validation middleware
Jason Watmore (2018), NodeJS + MongoDB - Simple API for Authentication, Registration and User Management - https://jasonwatmore.com/post/2018/06/14/nodejs-mongodb-simple-api-for-authentication-registration-and-user-management - uses express-jwt, jsonwebtoken, bcryptjs, 'mongoose`,  and a super useful global error handler.
Jared Hanson (2013), fork of Mozilla's mock LDAP server - https://github.com/jaredhanson/mozilla-idp/tree/master/mock-ldap-server

with tests - https://github.com/jaredhanson/mozilla-idp/blob/master/tests/ldap.js


## flexbox-fieldset-supported.js
// 28 June 2019

// Does your browser support flexbox on fieldset elements?
// Chrome doesn't, according to Eric Meyer tweet today:
// see https://twitter.com/meyerweb/status/1144656888707125248

// We ran into this a few months back. Here's a supports test for it.

function flexboxFieldsetSupported(/* tagName */) {

## csv.js
export { transform, parse, match };


/* TRANSFORM DATA TO CSV */

/**
 * @function transform accepts an array of objects and returns a string of
 * comma-separated values based on the object's key-value entries. Each row in
 * the output ends with the newline character. If the array argument is nothing
 * or empty, function returns an empty string.

## multiline-strings.js
// 16 June 2019
// 3 ways to generate multiline strings in JavaScript

// see also string templates
// https://gist.github.com/dfkaye/088f0d5cc76d387c1357
// and "stateless" components
// https://gist.github.com/dfkaye/2d5cbd87f6bbf4976762


// 1. template literals (es6)

## create-selector.js
// 4 June 2019
// ES5 version of create and test taken from Nick Scialli's articl,
// "Calculating Derived State in JavaScript Using Selectors"
// @see https://hackernoon.com/calculating-derived-state-in-javascript-using-selectors-7f6ce06ac247

function createSelector(functions) {
  var len = arguments.length;
  if (!len || (len == 1 && typeof functions == 'function')) {
    throw new SyntaxError("expects more than one function: " + functions);
  }

## shuffle.js
// 4 June 2019
// fisher-yates shuffle
// array and array-like structures
// modified from very nice implementation at
// https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array/2450976#2450976

function shuffle(items) {
  var array = Object.keys(items);
  var currentIndex = array.length, temporaryValue, randomIndex;

## update.js
// 29 May 2019
// another deep setter function but that first clones the target object before
// setting a new value at the key path - essentially an 'immutable' version of
// _.set @see https://gist.github.com/dfkaye/1b277589b04753cf0211eca25ea25b1d

// companion to resolve() function
// @see https://gist.github.com/dfkaye/5828ef43e2dccea576c78bb4eeb9747e

// Note: handles a single key path rather than a batch of updates making it
// potentially expensive (clone explosion).

## generator-example.js
// 27 May 2019
// The generator example refactored from
// James H. Fisher's "JavaScript generators are also consumers!"
// https://jameshfisher.com/2019/05/18/javascript-generators-are-also-consumers/


function send(data) {
  console.log(data);
}