Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | 2x 2x 2x 2x 22x 22x 22x 2x 2x 2x 2x 2x 2x 2x 22x 24x | import React, { useEffect } from "react";
import Animated, {
Easing,
interpolateColor,
SharedValue,
useAnimatedStyle,
useSharedValue,
withRepeat,
withTiming,
} from "react-native-reanimated";
import { View } from "react-native";
import { makeStyles } from "@repo/ui/themes/makeStyles";
const SHIMMER_LABEL = "Thinking...";
const SHIMMER_BASE_COLOR = "#5E6C84";
const SHIMMER_ACTIVE_COLOR = "#D0D5DD";
const ShimmerChar = ({
char,
index,
progress,
}: {
char: string;
index: number;
progress: SharedValue<number>;
}) => {
const styles = useStyles();
const animatedTextStyle = useAnimatedStyle(() => ({
color: interpolateColor(
progress.value,
[index - 1.5, index, index + 1.5],
[SHIMMER_BASE_COLOR, SHIMMER_ACTIVE_COLOR, SHIMMER_BASE_COLOR],
),
}));
return <Animated.Text style={[styles.shimmerCharText, animatedTextStyle]}>{char}</Animated.Text>;
};
/** "Thinking..." with a highlight sweeping one character at a time. */
export const ShimmerText = () => {
const styles = useStyles();
const chars = SHIMMER_LABEL.split("");
const progress = useSharedValue(-2);
useEffect(() => {
progress.value = withRepeat(
withTiming(chars.length + 2, { duration: 1800, easing: Easing.linear }),
-1,
false,
);
}, [progress, chars.length]);
return (
<View style={styles.shimmerTextContainer}>
{chars.map((char, index) => (
<ShimmerChar key={index} char={char} index={index} progress={progress} />
))}
</View>
);
};
const useStyles = makeStyles(() => ({
shimmerTextContainer: {
flexDirection: "row",
alignItems: "center",
paddingVertical: 6,
paddingHorizontal: 4,
},
shimmerCharText: {
fontSize: 14,
fontWeight: "400",
letterSpacing: 0.5,
},
}));
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