81 lines
2.6 KiB
TypeScript
81 lines
2.6 KiB
TypeScript
import { parsePhoneNumber, AsYouType } from 'libphonenumber-js';
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import React, { useState, useEffect } from 'react';
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import { CountryCode } from 'soapbox/utils/phone';
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import Input from '../input/input';
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import CountryCodeDropdown from './country-code-dropdown';
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interface IPhoneInput extends Pick<React.InputHTMLAttributes<HTMLInputElement>, 'required' | 'autoFocus'> {
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/** E164 phone number. */
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value?: string,
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/** Change handler which receives the E164 phone string. */
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onChange?: (phone: string | undefined) => void,
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/** Country code that's selected on mount. */
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defaultCountryCode?: CountryCode,
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}
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/** Internationalized phone input with country code picker. */
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const PhoneInput: React.FC<IPhoneInput> = (props) => {
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const { value, onChange, defaultCountryCode = '1', ...rest } = props;
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const [countryCode, setCountryCode] = useState<CountryCode>(defaultCountryCode);
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const [nationalNumber, setNationalNumber] = useState<string>('');
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const handleChange: React.ChangeEventHandler<HTMLInputElement> = ({ target }) => {
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// HACK: AsYouType is not meant to be used this way. But it works!
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const asYouType = new AsYouType({ defaultCallingCode: countryCode });
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const formatted = asYouType.input(target.value);
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// If the new value is the same as before, we might be backspacing,
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// so use the actual event value instead of the formatted value.
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if (formatted === nationalNumber && target.value !== nationalNumber) {
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setNationalNumber(target.value);
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} else {
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setNationalNumber(formatted);
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}
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};
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// When the internal state changes, update the external state.
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useEffect(() => {
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if (onChange) {
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try {
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const opts = { defaultCallingCode: countryCode, extract: false } as any;
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const result = parsePhoneNumber(nationalNumber, opts);
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// Throw if the number is invalid, but catch it below.
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// We'll only ever call `onChange` with a valid E164 string or `undefined`.
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if (!result.isPossible()) {
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throw result;
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}
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onChange(result.format('E.164'));
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} catch (e) {
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// The value returned is always a valid E164 string.
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// If it's not valid, it'll return undefined.
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onChange(undefined);
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}
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}
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}, [countryCode, nationalNumber]);
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useEffect(() => {
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handleChange({ target: { value: nationalNumber } } as any);
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}, [countryCode, nationalNumber]);
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return (
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<Input
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onChange={handleChange}
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value={nationalNumber}
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addon={
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<CountryCodeDropdown
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countryCode={countryCode}
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onChange={setCountryCode}
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/>
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}
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{...rest}
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/>
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);
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};
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export default PhoneInput;
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