[ REFACT ] : BlurText Text Animation

2026-03-07 06:29:30 -07:00 · 2026-01-31 22:58:03 +05:30
parent d312302823
commit 101dde4c6d
3 changed files with 110 additions and 153 deletions
--- a/src/constants/code/TextAnimations/blurTextCode.ts
+++ b/src/constants/code/TextAnimations/blurTextCode.ts
@@ -1,18 +1,15 @@
-import code from '@content/TextAnimations/BlurText/BlurText.vue?raw';
 import { createCodeObject } from '@/types/code';
+import code from '@content/TextAnimations/BlurText/BlurText.vue?raw';

 export const blurText = createCodeObject(code, 'TextAnimations/BlurText', {
  installation: `npm install motion-v`,
  usage: `<template>
  <BlurText
    text="Isn't this so cool?!"
-    :delay="200"
-    class-name="text-2xl font-semibold text-center"
    animate-by="words"
    direction="top"
-    :threshold="0.1"
-    root-margin="0px"
-    :step-duration="0.35"
+    :delay="200"
+    class-name="text-2xl font-semibold text-center"
    @animation-complete="handleAnimationComplete"
  />
 </template>
--- a/src/content/TextAnimations/BlurText/BlurText.vue
+++ b/src/content/TextAnimations/BlurText/BlurText.vue
@@ -1,81 +1,99 @@
 <template>
-  <p ref="rootRef" :class="['blur-text', className, 'flex', 'flex-wrap']">
+  <p ref="rootRef" class="flex flex-wrap blur-text" :class="className">
    <Motion
      v-for="(segment, index) in elements"
-      :key="`${animationKey}-${index}`"
+      :key="index"
      tag="span"
      :initial="fromSnapshot"
-      :animate="inView ? getAnimateKeyframes() : fromSnapshot"
+      :animate="inView ? buildKeyframes(fromSnapshot, toSnapshots) : fromSnapshot"
      :transition="getTransition(index)"
-      :style="{
-        display: 'inline-block',
-        willChange: 'transform, filter, opacity'
-      }"
-      @animation-complete="() => handleAnimationComplete(index)"
+      @animation-complete="handleAnimationComplete(index)"
+      style="display: inline-block; will-change: transform, filter, opacity"
    >
-      {{ segment === ' ' ? '\u00A0' : segment
-      }}{{ animateBy === 'words' && index < elements.length - 1 ? '\u00A0' : '' }}
+      {{ segment === ' ' ? '\u00A0' : segment }}
+      <template v-if="animateBy === 'words' && index < elements.length - 1">&nbsp;</template>
    </Motion>
  </p>
 </template>

 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted, watch, useTemplateRef } from 'vue';
-import { Motion } from 'motion-v';
+import { Motion, type Transition } from 'motion-v';
+import { computed, onBeforeUnmount, onMounted, ref, useTemplateRef } from 'vue';

-type AnimateBy = 'words' | 'letters';
-type Direction = 'top' | 'bottom';
-type AnimationSnapshot = Record<string, string | number>;
-
-interface BlurTextProps {
+type BlurTextProps = {
  text?: string;
  delay?: number;
  className?: string;
-  animateBy?: AnimateBy;
-  direction?: Direction;
+  animateBy?: 'words' | 'letters';
+  direction?: 'top' | 'bottom';
  threshold?: number;
  rootMargin?: string;
-  animationFrom?: AnimationSnapshot;
-  animationTo?: AnimationSnapshot[];
+  animationFrom?: Record<string, string | number>;
+  animationTo?: Array<Record<string, string | number>>;
  easing?: (t: number) => number;
  onAnimationComplete?: () => void;
  stepDuration?: number;
-}
+};
+
+const buildKeyframes = (
+  from: Record<string, string | number>,
+  steps: Array<Record<string, string | number>>
+): Record<string, Array<string | number>> => {
+  const keys = new Set<string>([...Object.keys(from), ...steps.flatMap(s => Object.keys(s))]);
+
+  const keyframes: Record<string, Array<string | number>> = {};
+  keys.forEach(k => {
+    keyframes[k] = [from[k], ...steps.map(s => s[k])];
+  });
+  return keyframes;
+};

 const props = withDefaults(defineProps<BlurTextProps>(), {
  text: '',
  delay: 200,
  className: '',
-  animateBy: 'words' as AnimateBy,
-  direction: 'top' as Direction,
+  animateBy: 'words',
+  direction: 'top',
  threshold: 0.1,
  rootMargin: '0px',
  easing: (t: number) => t,
  stepDuration: 0.35
 });

-const buildKeyframes = (
-  from: AnimationSnapshot,
-  steps: AnimationSnapshot[]
-): Record<string, Array<string | number>> => {
-  const keys = new Set<string>([...Object.keys(from), ...steps.flatMap(step => Object.keys(step))]);
+const inView = ref(false);
+const rootRef = useTemplateRef<HTMLParagraphElement>('rootRef');
+let observer: IntersectionObserver | null = null;

-  const keyframes: Record<string, Array<string | number>> = {};
+onMounted(() => {
+  if (!rootRef.value) return;

-  for (const key of keys) {
-    keyframes[key] = [from[key], ...steps.map(step => step[key])];
-  }
+  observer = new IntersectionObserver(
+    ([entry]) => {
+      if (entry.isIntersecting) {
+        inView.value = true;
+        observer?.unobserve(rootRef.value as Element);
+      }
+    },
+    {
+      threshold: props.threshold,
+      rootMargin: props.rootMargin
+    }
+  );

-  return keyframes;
-};
+  observer.observe(rootRef.value);
+});
+
+onBeforeUnmount(() => {
+  observer?.disconnect();
+});

 const elements = computed(() => (props.animateBy === 'words' ? props.text.split(' ') : props.text.split('')));

-const defaultFrom = computed<AnimationSnapshot>(() =>
+const defaultFrom = computed(() =>
  props.direction === 'top' ? { filter: 'blur(10px)', opacity: 0, y: -50 } : { filter: 'blur(10px)', opacity: 0, y: 50 }
 );

-const defaultTo = computed<AnimationSnapshot[]>(() => [
+const defaultTo = computed(() => [
  {
    filter: 'blur(5px)',
    opacity: 0.5,
@@ -93,71 +111,21 @@ const toSnapshots = computed(() => props.animationTo ?? defaultTo.value);

 const stepCount = computed(() => toSnapshots.value.length + 1);
 const totalDuration = computed(() => props.stepDuration * (stepCount.value - 1));
+
 const times = computed(() =>
  Array.from({ length: stepCount.value }, (_, i) => (stepCount.value === 1 ? 0 : i / (stepCount.value - 1)))
 );

-const inView = ref(false);
-const animationKey = ref(0);
-const completionFired = ref(false);
-const rootRef = useTemplateRef<HTMLParagraphElement>('rootRef');
-
-let observer: IntersectionObserver | null = null;
-
-const setupObserver = () => {
-  if (!rootRef.value) return;
-
-  observer = new IntersectionObserver(
-    ([entry]) => {
-      if (entry.isIntersecting) {
-        inView.value = true;
-        observer?.unobserve(rootRef.value as Element);
-      }
-    },
-    {
-      threshold: props.threshold,
-      rootMargin: props.rootMargin
-    }
-  );
-
-  observer.observe(rootRef.value);
-};
-
-const getAnimateKeyframes = () => {
-  return buildKeyframes(fromSnapshot.value, toSnapshots.value);
-};
-
-const getTransition = (index: number) => {
-  return {
-    duration: totalDuration.value,
-    times: times.value,
-    delay: (index * props.delay) / 1000,
-    ease: props.easing
-  };
-};
+const getTransition = (index: number): Transition => ({
+  duration: totalDuration.value,
+  times: times.value,
+  delay: (index * props.delay) / 1000,
+  ease: props.easing
+});

 const handleAnimationComplete = (index: number) => {
-  if (index === elements.value.length - 1 && !completionFired.value && props.onAnimationComplete) {
-    completionFired.value = true;
-    props.onAnimationComplete();
+  if (index === elements.value.length - 1) {
+    props.onAnimationComplete?.();
  }
 };
-
-onMounted(() => {
-  setupObserver();
-});
-
-onUnmounted(() => {
-  observer?.disconnect();
-});
-
-watch([() => props.threshold, () => props.rootMargin], () => {
-  observer?.disconnect();
-  setupObserver();
-});
-
-watch([() => props.delay, () => props.stepDuration, () => props.animateBy, () => props.direction], () => {
-  animationKey.value++;
-  completionFired.value = false;
-});
 </script>
--- a/src/demo/TextAnimations/BlurTextDemo.vue
+++ b/src/demo/TextAnimations/BlurTextDemo.vue
@@ -1,33 +1,24 @@
 <template>
  <TabbedLayout>
    <template #preview>
-      <div class="demo-container h-[400px] overflow-hidden">
+      <div class="h-[400px] overflow-hidden demo-container">
        <RefreshButton @refresh="forceRerender" />

        <BlurText
          :key="rerenderKey"
          text="Isn't this so cool?!"
-          :delay="delay"
-          class-name="blur-text-demo"
          :animate-by="animateBy"
          :direction="direction"
-          :threshold="threshold"
-          :root-margin="rootMargin"
-          :step-duration="stepDuration"
-          @animation-complete="
-            () => {
-              showCallback && showToast();
-            }
-          "
+          :delay="delay"
+          class-name="blur-text-demo"
+          @animation-complete="showToast"
        />
      </div>

      <Customize>
-        <PreviewSwitch title="Show Completion Toast" v-model="showCallback" />
-
-        <div class="flex gap-4 flex-wrap">
+        <div class="flex flex-wrap gap-4">
          <button
-            class="text-xs bg-[#0b0b0b] rounded-[10px] border border-[#333] hover:bg-[#222] text-white h-8 px-3 transition-colors cursor-pointer"
+            class="bg-[#0b0b0b] hover:bg-[#222] px-3 border border-[#333] rounded-[10px] h-8 text-white text-xs transition-colors cursor-pointer"
            @click="toggleAnimateBy"
          >
            Animate By:
@@ -35,7 +26,7 @@
          </button>

          <button
-            class="text-xs bg-[#0b0b0b] rounded-[10px] border border-[#333] hover:bg-[#222] text-white h-8 px-3 transition-colors cursor-pointer"
+            class="bg-[#0b0b0b] hover:bg-[#222] px-3 border border-[#333] rounded-[10px] h-8 text-white text-xs transition-colors cursor-pointer"
            @click="toggleDirection"
          >
            Direction:
@@ -43,11 +34,15 @@
          </button>
        </div>

-        <PreviewSlider title="Delay (ms)" v-model="delay" :min="50" :max="500" :step="10" />
-
-        <PreviewSlider title="Step Duration (s)" v-model="stepDuration" :min="0.1" :max="1" :step="0.05" />
-
-        <PreviewSlider title="Threshold" v-model="threshold" :min="0.1" :max="1" :step="0.1" />
+        <PreviewSlider
+          title="Delay"
+          v-model="delay"
+          :min="50"
+          :max="500"
+          :step="10"
+          value-unit="ms"
+          @update:model-value="forceRerender"
+        />
      </Customize>

      <PropTable :data="propData" />
@@ -66,30 +61,26 @@
 </template>

 <script setup lang="ts">
-import { ref } from 'vue';
-import TabbedLayout from '../../components/common/TabbedLayout.vue';
-import RefreshButton from '../../components/common/RefreshButton.vue';
-import PropTable from '../../components/common/PropTable.vue';
-import Dependencies from '../../components/code/Dependencies.vue';
-import CliInstallation from '../../components/code/CliInstallation.vue';
-import CodeExample from '../../components/code/CodeExample.vue';
-import Customize from '../../components/common/Customize.vue';
-import PreviewSwitch from '../../components/common/PreviewSwitch.vue';
-import PreviewSlider from '../../components/common/PreviewSlider.vue';
-import BlurText from '../../content/TextAnimations/BlurText/BlurText.vue';
-import { blurText } from '@/constants/code/TextAnimations/blurTextCode';
-import { useToast } from 'primevue/usetoast';
+import CliInstallation from '@/components/code/CliInstallation.vue';
+import CodeExample from '@/components/code/CodeExample.vue';
+import Dependencies from '@/components/code/Dependencies.vue';
+import Customize from '@/components/common/Customize.vue';
+import PreviewSlider from '@/components/common/PreviewSlider.vue';
+import PropTable from '@/components/common/PropTable.vue';
+import RefreshButton from '@/components/common/RefreshButton.vue';
+import TabbedLayout from '@/components/common/TabbedLayout.vue';
 import { useForceRerender } from '@/composables/useForceRerender';
+import { blurText } from '@/constants/code/TextAnimations/blurTextCode';
+import BlurText from '@/content/TextAnimations/BlurText/BlurText.vue';
+import { useToast } from 'primevue/usetoast';
+import { ref } from 'vue';
+
+const { rerenderKey, forceRerender } = useForceRerender();
+const toast = useToast();

 const animateBy = ref<'words' | 'letters'>('words');
 const direction = ref<'top' | 'bottom'>('top');
 const delay = ref(200);
-const stepDuration = ref(0.35);
-const threshold = ref(0.1);
-const rootMargin = ref('0px');
-const showCallback = ref(true);
-const toast = useToast();
-const { rerenderKey, forceRerender } = useForceRerender();

 const toggleAnimateBy = () => {
  animateBy.value = animateBy.value === 'words' ? 'letters' : 'words';
@@ -110,18 +101,23 @@ const showToast = () => {
 };

 const propData = [
-  { name: 'text', type: 'string', default: '""', description: 'The text content to animate.' },
+  {
+    name: 'text',
+    type: 'string',
+    default: '""',
+    description: 'The text content to animate.'
+  },
  {
    name: 'animateBy',
    type: 'string',
    default: '"words"',
-    description: 'Determines whether to animate by "words" or "letters".'
+    description: "Determines whether to animate by 'words' or 'letters'."
  },
  {
    name: 'direction',
    type: 'string',
    default: '"top"',
-    description: 'Direction from which the words/letters appear ("top" or "bottom").'
+    description: "Direction from which the words/letters appear ('top' or 'bottom')."
  },
  {
    name: 'delay',
@@ -141,16 +137,12 @@ const propData = [
    default: '0.1',
    description: 'Intersection threshold for triggering the animation.'
  },
-  { name: 'rootMargin', type: 'string', default: '"0px"', description: 'Root margin for the intersection observer.' },
-  { name: 'className', type: 'string', default: '""', description: 'Additional class names to style the component.' },
-  { name: 'animationFrom', type: 'object', default: 'undefined', description: 'Custom initial animation properties.' },
  {
-    name: 'animationTo',
-    type: 'array',
-    default: 'undefined',
-    description: 'Custom target animation properties array.'
+    name: 'rootMargin',
+    type: 'string',
+    default: '"0px"',
+    description: 'Root margin for the intersection observer.'
  },
-  { name: 'easing', type: 'function', default: '(t) => t', description: 'Custom easing function for the animation.' },
  {
    name: 'onAnimationComplete',
    type: 'function',