From 77e0a7fd6d09b341e9a7ab568249c44630a6925a Mon Sep 17 00:00:00 2001
From: Youssouf EL Azizi <youssoufelazizi@gmail.com>
Date: Mon, 13 Jan 2025 22:58:37 +0100
Subject: [PATCH] chore: improve docs examples

---
 README.md | 307 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 297 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index b601f09..3b23800 100644
--- a/README.md
+++ b/README.md
@@ -24,23 +24,310 @@ yarn add input-otp-native
 pnpm add input-otp-native
 ```
 
-## Examples ( copy paste)
-
-> [Apple OTP Input](./example/src/examples/apple.tsx)
+## Examples
+
+We create a few examples that you can copy paste and use in your project.
+
+💳 [Stripe OTP Input with Nativewind](./example/src/examples/stripe-nativewind.tsx)
+
+```tsx
+import { View, Text } from 'react-native';
+import { OTPInput, type SlotProps } from 'input-otp-native';
+import type { OTPInputRef } from 'input-otp-native';
+import { useRef } from 'react';
+import { Alert } from 'react-native';
+
+import Animated, {
+  useAnimatedStyle,
+  withRepeat,
+  withTiming,
+  withSequence,
+  useSharedValue,
+} from 'react-native-reanimated';
+import { useEffect } from 'react';
+import { cn } from './utils';
+
+export default function StripeOTPInput() {
+  const ref = useRef<OTPInputRef>(null);
+  const onComplete = (code: string) => {
+    Alert.alert('Completed with code:', code);
+    ref.current?.clear();
+  };
+
+  return (
+    <OTPInput
+      ref={ref}
+      onComplete={onComplete}
+      maxLength={6}
+      render={({ slots }) => (
+        <View className="flex-1 flex-row items-center justify-center my-4">
+          <View className="flex-row">
+            {slots.slice(0, 3).map((slot, idx) => (
+              <Slot key={idx} {...slot} index={idx} />
+            ))}
+          </View>
+          <FakeDash />
+          <View className="flex-row">
+            {slots.slice(3).map((slot, idx) => (
+              <Slot key={idx} {...slot} index={idx} />
+            ))}
+          </View>
+        </View>
+      )}
+    />
+  );
+}
+
+function Slot({
+  char,
+  isActive,
+  hasFakeCaret,
+  index,
+}: SlotProps & { index: number }) {
+  const isFirst = index === 0;
+  const isLast = index === 2;
+  return (
+    <View
+      className={cn(
+        `w-12 h-16 items-center justify-center bg-gray-50`,
+        'border border-gray-200',
+        {
+          'rounded-r-lg': isLast,
+          'rounded-l-lg': isFirst,
+          'bg-white border-black': isActive,
+        }
+      )}
+    >
+      {char !== null && (
+        <Text className="text-2xl font-medium text-gray-900">{char}</Text>
+      )}
+      {hasFakeCaret && <FakeCaret />}
+    </View>
+  );
+}
+
+function FakeDash() {
+  return (
+    <View className="w-8 items-center justify-center">
+      <View className="w-2 h-0.5 bg-gray-200 rounded-sm" />
+    </View>
+  );
+}
+
+function FakeCaret() {
+  const opacity = useSharedValue(1);
+
+  useEffect(() => {
+    opacity.value = withRepeat(
+      withSequence(
+        withTiming(0, { duration: 500 }),
+        withTiming(1, { duration: 500 })
+      ),
+      -1,
+      true
+    );
+  }, [opacity]);
+
+  const animatedStyle = useAnimatedStyle(() => ({
+    opacity: opacity.value,
+  }));
+
+  const baseStyle = {
+    width: 2,
+    height: 32,
+    backgroundColor: 'black',
+    borderRadius: 1,
+  };
+
+  return (
+    <View className="absolute w-full h-full items-center justify-center">
+      <Animated.View style={[baseStyle, animatedStyle]} />
+    </View>
+  );
+}
+```
 
-> [Apple OTP Input with Nativewind](./example/src/examples/apple-nativewind.tsx)
+💳 [Stripe OTP Input](./example/src/examples/stripe.tsx)
+
+```tsx
+import { View, Text, StyleSheet, type ViewStyle, Alert } from 'react-native';
+import { OTPInput, type SlotProps } from 'input-otp-native';
+import type { OTPInputRef } from 'input-otp-native';
+import { useRef } from 'react';
+
+import Animated, {
+  useAnimatedStyle,
+  withRepeat,
+  withTiming,
+  withSequence,
+  useSharedValue,
+} from 'react-native-reanimated';
+import { useEffect } from 'react';
+
+export default function StripeOTPInput() {
+  const ref = useRef<OTPInputRef>(null);
+  const onComplete = (code: string) => {
+    Alert.alert('Completed with code:', code);
+    ref.current?.clear();
+  };
+
+  return (
+    <OTPInput
+      ref={ref}
+      onComplete={onComplete}
+      maxLength={6}
+      render={({ slots }) => (
+        <View style={styles.mainContainer}>
+          <View style={styles.slotsContainer}>
+            {slots.slice(0, 3).map((slot, idx) => (
+              <Slot key={idx} {...slot} index={idx} />
+            ))}
+          </View>
+          <FakeDash />
+          <View style={styles.slotsContainer}>
+            {slots.slice(3).map((slot, idx) => (
+              <Slot key={idx} {...slot} index={idx} />
+            ))}
+          </View>
+        </View>
+      )}
+    />
+  );
+}
+
+function Slot({
+  char,
+  isActive,
+  hasFakeCaret,
+  index,
+}: SlotProps & { index: number }) {
+  const isFirst = index === 0;
+  const isLast = index === 2;
+
+  return (
+    <View
+      style={[
+        styles.slot,
+        isFirst && styles.slotFirst,
+        isLast && styles.slotLast,
+        isActive && styles.activeSlot,
+      ]}
+    >
+      {char !== null && <Text style={styles.char}>{char}</Text>}
+      {hasFakeCaret && <FakeCaret />}
+    </View>
+  );
+}
+
+function FakeDash() {
+  return (
+    <View style={styles.fakeDashContainer}>
+      <View style={styles.fakeDash} />
+    </View>
+  );
+}
+
+function FakeCaret({ style }: { style?: ViewStyle }) {
+  const opacity = useSharedValue(1);
+
+  useEffect(() => {
+    opacity.value = withRepeat(
+      withSequence(
+        withTiming(0, { duration: 500 }),
+        withTiming(1, { duration: 500 })
+      ),
+      -1,
+      true
+    );
+  }, [opacity]);
+
+  const animatedStyle = useAnimatedStyle(() => ({
+    opacity: opacity.value,
+  }));
+
+  return (
+    <View style={styles.fakeCaretContainer}>
+      <Animated.View style={[styles.fakeCaret, style, animatedStyle]} />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  mainContainer: {
+    flex: 1,
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginVertical: 16,
+  },
+  slotsContainer: {
+    flexDirection: 'row',
+  },
+  slot: {
+    width: 42,
+    height: 52,
+    alignItems: 'center',
+    justifyContent: 'center',
+    backgroundColor: '#F9FAFB',
+    borderWidth: 1,
+    borderColor: '#E5E7EB',
+  },
+  slotFirst: {
+    borderTopLeftRadius: 8,
+    borderBottomLeftRadius: 8,
+  },
+  slotLast: {
+    borderTopRightRadius: 8,
+    borderBottomRightRadius: 8,
+  },
+  activeSlot: {
+    backgroundColor: '#FFF',
+    borderColor: '#000',
+  },
+  char: {
+    fontSize: 22,
+    fontWeight: '500',
+    color: '#111827',
+  },
+  fakeDashContainer: {
+    width: 32,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  fakeDash: {
+    width: 8,
+    height: 2,
+    backgroundColor: '#E5E7EB',
+    borderRadius: 1,
+  },
+  /* Caret */
+  fakeCaretContainer: {
+    position: 'absolute',
+    width: '100%',
+    height: '100%',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  fakeCaret: {
+    width: 2,
+    height: 32,
+    backgroundColor: '#000',
+    borderRadius: 1,
+  },
+});
+```
 
-> [Stripe OTP Input](./example/src/examples/stripe.tsx)
+🍏 [Apple OTP Input with Nativewind](./example/src/examples/apple-nativewind.tsx)
 
-> [Stripe OTP Input with Nativewind](./example/src/examples/stripe-nativewind.tsx)
+🍎 [Apple OTP Input](./example/src/examples/apple.tsx)
 
-> [Revolt OTP Input](./example/src/examples/revolt.tsx)
+🔄 [Revolt OTP Input](./example/src/examples/revolt.tsx)
 
-> [Revolt OTP Input with Nativewind](./example/src/examples/revolt-nativewind.tsx)
+🔄 [Revolt OTP Input with Nativewind](./example/src/examples/revolt-nativewind.tsx)
 
-> [Dashed OTP Input](./example/src/examples/dashed.tsx)
+〰️ [Dashed OTP Input](./example/src/examples/dashed.tsx)
 
-> [Dashed OTP Input with Nativewind](./example/src/examples/dashed-nativewind.tsx)
+〰️ [Dashed OTP Input with Nativewind](./example/src/examples/dashed-nativewind.tsx)
 
 ## API Reference