rjhilgefort

const { log, clear } = console
clear()

const logHof = (fn) => (...args) => pipe(
  tap(() => log('-----------------------------')),
  tap((args) => log(`args:  ${args}`)),
  fn, 
  tap((res) => log(`res:   ${res}`)),
)(...args)

rjhilgefort

#!/usr/bin/env node
/* eslint-disable import/no-commonjs */

;(async () => {
  const util = require('util')
  const child_process = require('child_process')
  const { tap } = require('ramda')

  const execP = util.promisify(child_process.exec)
  const exec = command => execP(command).then(({ stdout, stderr }) => {})

rjhilgefort

console.clear()

const upperAsync = (x) => Promise.resolve(toUpper(x))
const splitChars = split('')

const handleResponse = curry((tag, promise) => 
pipe(
  then((data) => {
    console.log(`${tag}-SUCCESS: ${data}`)
    return data

rjhilgefort

const { log, clear } = console;
clear();
log('=================================================');

const add2 = (x, y) => x + y;
const add2P = (x, y) => Promise.resolve(x + y);
      
const logFn =
      
const logAdd2 = logFn(add2);

rjhilgefort

const { log, clear } = console
clear()

class Foo {
  constructor() {
    this.state = {}
    this.util = {
      nested: {
        mergeRight,
        identity,

rjhilgefort

const maybeHof = compose(when, complement)(isNil)

const maybeToUpper = maybeHof(toUpper)

maybeToUpper(null)           // null
maybeToUpper(undefined)      // undefined
maybeToUpper('foo')          // 'FOO'

rjhilgefort

const evolveAll = spec => compose(
  evolve(spec),
  compose(pickAll, keys)(spec),
)

const maybeHof = compose(when, complement)(isNil)

const maybeToUpper = maybeHof(toUpper)

evolveAll({

rjhilgefort

console.clear()

// util.js
/////////////////////////////////////////////////////////////////
const PromiseResolve = x => Promise.resolve(x)

// pipeAny.js
/////////////////////////////////////////////////////////////////
const pipeAny = compose(
  apply(pipeP),

rjhilgefort

// `tryCatch` is useful when you want to do assignment and have a sane default 

// The value provided is not parseable, so we get `{}` because there was an error
tryCatch(JSON.parse, always({}))('{{50')
// {}

// Here, the value is parseable, so we get the parsed object literal
tryCatch(JSON.parse, always({}))('{ "foo": "HI" }')
// {"foo": "HI"}

rjhilgefort

const R = require('ramda')
const { Logger } = require('../logger')

// higher order "plugin" factories; these functions accept
// a factory, add functionality to it, and then return it
const locksHof = require('./locksHof')
const loggerHof = require('./methodLoggerHof')
const speakHof = require('./speakHof')

// create a "base" higher-order factory that has adds the methods