metamask-extension/ui/app/components/customize-gas-modal/gas-modal-card.js

const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits
const InputNumber = require('../input-number.js')
const GasSlider = require('./gas-slider.js')

module.exports = GasModalCard

inherits(GasModalCard, Component)
function GasModalCard () {
  Component.call(this)
}

GasModalCard.prototype.render = function () {
  const {
    memo,
    identities,
    onChange,
    unitLabel,
    value,
    min,
    max,
    step,
    title,
    copy
  } = this.props

  return h('div.send-v2__gas-modal-card', [

    h('div.send-v2__gas-modal-card__title', {}, title),

    h('div.send-v2__gas-modal-card__copy', {}, copy),

    h(InputNumber, {
      unitLabel,
      step,
      max,
      min,
      placeholder: '0',
      value,
      onChange,
    }),

    h(GasSlider, {
      value,
      step,
      max,
      min,
      onChange,
    }),
    
  ])
    
}