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const isDeliverable = async address => {
  if (disableEcommerce) {
    return false
  }
  const api = Api.init()
  const { deliverable } = await api.post(
    '/location?delivery_type=all',
    {
      ...address,
      tentative: undefined

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function parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

export PS1="\n\[\033[38;5;247m\]\w\[\033[34m\]\$(parse_git_branch)\n🐻  \[\033[0m\]"

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function checkPageVisibility() {
  let eventName = 'visibilitychange'
  let hiddenProp = 'hidden'
  // set proper event name for other browsers
  if (typeof document.msHidden !== 'undefined') {
    hiddenProp = 'msHidden'
    eventName = 'msvisibilitychange'
  } else if (typeof document.webkitHidden !== "undefined") {
    hiddenProp = 'webkitHidden'

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// compose fns together
const compose = (...fns) => fns.reduce((f, g) => (...args) => f(g(...args)))

// If `fn` evaluates to true call fn2 passing args through
const middleware = fn => fn2 => (...args) => fn(...args) && fn2(...args)

// 
// Example usage and tests
//

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// It's composable

const compose = (a,b) => v => a(b(v))
const isValid = valid => fn => (...p) => valid(...p) && fn(...p)

const hasTwoParams = isValid((...params) => params.length === 2)
const firstParamIsArray = isValid(a => Array.isArray(a))
const hasTwoFirstArray = compose(hasTwoParams, firstParamIsArray)
const myValidatedFn = hasTwoFirstArray((a, b) => console.log('It worked', a, b))

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app.get('/csv', (req, res) => {
  let data = "name,age,status\nderek,30,online\nsarah,28,offline\nDan,36,online"
  let filename = 'cool.csv'
  res.setHeader('Content-disposition', `attachment; filename=${filename}`)
  res.set('Content-Type', 'text/csv')
  res.send(data)
})

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const express = require('express')
const request = require('request')

// APP 1 (the proxy server)

const app1 = express()

app.use('/proxy', (req, res) => {
  let target = req.url.replace('/', 'http://')
  req.pipe(request(target)).pipe(res)

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function repeat(n = 1) {
  let i = 0;
  return fn => {
    while(n--) {
      i++;
      fn(i)
    }
  }
}

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const CREATE = 0
const READ = 1
const UPDATE = 2
const DELETE = 3

const add = (a, b) => a |= (1 << b)
const remove = (a, b) => a &= ~(1 << b)
const has = (a, b) => ((a & (1 << b)) > 0)
const bin = (a) => (s).toString(2)

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https://twitone.bandcamp.com/album/hi-hat-club-vol-1-testiculo-y-uno