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feat: Add support for Arabic numbers #440

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feat: Add support for Arabic numbers #440

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26 changes: 16 additions & 10 deletions src/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,12 @@ interface OTPInputProps {

const isStyleObject = (obj: unknown) => typeof obj === 'object' && obj !== null;

const en = '01234567890123456789'.split('');
const ar = '٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹'.split('');
const toEnglishNumber = (strNum: string) => {
return strNum.replace(/[٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹]/g, (x) => en[ar.indexOf(x)]).replace(/\D/g, '');
};

const OTPInput = ({
value = '',
numInputs = 4,
Expand Down Expand Up @@ -104,16 +110,17 @@ const OTPInput = ({

const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
const { value } = event.target;
const translatedValue = isInputNum ? toEnglishNumber(value) : value;

if (isInputValueValid(value)) {
changeCodeAtFocus(value);
if (isInputValueValid(translatedValue)) {
changeCodeAtFocus(translatedValue);
focusInput(activeInput + 1);
}
};

const handleInputChange = (event: React.ChangeEvent<HTMLInputElement>) => {
const { nativeEvent } = event;
const value = event.target.value;
const value = isInputNum ? toEnglishNumber(event.target.value) : event.target.value;

if (!isInputValueValid(value)) {
// Pasting from the native autofill suggestion on a mobile device can pass
Expand Down Expand Up @@ -210,20 +217,19 @@ const OTPInput = ({
let nextActiveInput = activeInput;

// Get pastedData in an array of max size (num of inputs - current position)
const pastedData = event.clipboardData
.getData('text/plain')
.slice(0, numInputs - activeInput)
.split('');
const pastedData = event.clipboardData.getData('text/plain').slice(0, numInputs - activeInput);

const pastedDataArray = (isInputNum ? toEnglishNumber(pastedData) : pastedData).split('');

// Prevent pasting if the clipboard data contains non-numeric values for number inputs
if (isInputNum && pastedData.some((value) => isNaN(Number(value)))) {
if (isInputNum && pastedDataArray.some((value) => isNaN(Number(value)))) {
return;
}

// Paste data from focused input onwards
for (let pos = 0; pos < numInputs; ++pos) {
if (pos >= activeInput && pastedData.length > 0) {
otp[pos] = pastedData.shift() ?? '';
if (pos >= activeInput && pastedDataArray.length > 0) {
otp[pos] = pastedDataArray.shift() ?? '';
nextActiveInput++;
}
}
Expand Down