Vue を使用してスライド式ロック解除エフェクトを実装する方法

$ npm install -g @vue/cli
$ vue create slider-unlock

<template>
  <div class="slider-unlock">
    <div class="slider-bar" ref="sliderBar"></div>
    <div class="slider-button" :style="buttonStyle" ref="sliderButton">
      <div></div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      buttonLeft: 0,
      dragging: false,
      startOffset: 0,
    };
  },
  computed: {
    buttonStyle() {
      return {
        left: this.buttonLeft + "px",
      };
    },
  },
  mounted() {
    this.$refs.sliderButton.addEventListener("mousedown", this.handleMouseDown);
    window.addEventListener("mousemove", this.handleMouseMove);
    window.addEventListener("mouseup", this.handleMouseUp);
  },
  beforeDestroy() {
    this.$refs.sliderButton.removeEventListener("mousedown", this.handleMouseDown);
    window.removeEventListener("mousemove", this.handleMouseMove);
    window.removeEventListener("mouseup", this.handleMouseUp);
  },
  methods: {
    handleMouseDown(event) {
      this.dragging = true;
      this.startOffset = event.pageX - this.buttonLeft;
    },
    handleMouseMove(event) {
      if (this.dragging) {
        const offsetX = event.pageX - this.startOffset;
        this.buttonLeft = Math.max(0, Math.min(offsetX, this.$refs.sliderBar.offsetWidth - this.$refs.sliderButton.offsetWidth));
      }
    },
    handleMouseUp() {
      this.dragging = false;
      if (this.buttonLeft === this.$refs.sliderBar.offsetWidth - this.$refs.sliderButton.offsetWidth) {
        // 滑动成功，触发解锁事件
        this.$emit("unlock");
      } else {
        // 滑动失败，重置滑块位置
        this.buttonLeft = 0;
      }
    },
  },
};
</script>

<style scoped>
.slider-unlock {
  position: relative;
  width: 300px;
  height: 40px;
  border: 1px solid #ccc;
  border-radius: 20px;
  overflow: hidden;
}
.slider-bar {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  height: 4px;
  background-color: #ccc;
}
.slider-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: #2196f3;
  border-radius: 50%;
  cursor: pointer;
  transition: left 0.3s;
}
.slider-button div {
  position: relative;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background-color: #fff;
  border-radius: 50%;
}

</style>

<template>
  <div class="app">
    <SliderUnlock @unlock="handleUnlock"></SliderUnlock>
  </div>
</template>

<script>
import SliderUnlock from "./components/SliderUnlock.vue";

export default {
  components: {
    SliderUnlock,
  },
  methods: {
    handleUnlock() {
      alert("解锁成功！");
    },
  },
};
</script>

$ npm run serve