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const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits
const Identicon = require('../identicon')
const AutosizeInput = require('react-input-autosize').default
const { conversionUtil } = require('../../conversion-util')
module.exports = CurrencyDisplay
inherits(CurrencyDisplay, Component)
function CurrencyDisplay () {
Component.call(this)
this.state = {
minWidth: null,
}
}
function isValidNumber (text) {
const re = /^([1-9]\d*|0)(\.|\.\d*)?$/
return re.test(text)
}
CurrencyDisplay.prototype.componentDidMount = function () {
this.setState({ minWidth: this.refs.currencyDisplayInput.sizer.scrollWidth + 10 })
}
CurrencyDisplay.prototype.render = function () {
const {
className,
primaryCurrency,
convertedCurrency,
value = '',
placeholder = '0',
conversionRate,
convertedPrefix = '',
readOnly = false,
handleChange,
inputFontSize,
} = this.props
const { minWidth } = this.state
const convertedValue = conversionUtil(value, {
fromNumericBase: 'dec',
fromCurrency: primaryCurrency,
toCurrency: convertedCurrency,
conversionRate,
})
return h('div.currency-display', {
className,
}, [
h('div.currency-display__primary-row', [
h(AutosizeInput, {
ref: 'currencyDisplayInput',
className: 'currency-display__input-wrapper',
inputClassName: 'currency-display__input',
value,
placeholder,
readOnly,
minWidth,
onChange: (event) => {
const newValue = event.target.value
if (newValue && !isValidNumber(newValue)) {
event.preventDefault()
}
else {
handleChange(newValue)
}
},
style: { fontSize: inputFontSize },
}),
h('span.currency-display__primary-currency', {}, primaryCurrency),
]),
h('div.currency-display__converted-value', {}, `${convertedPrefix}${convertedValue} ${convertedCurrency}`),
])
}
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