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node_modules/vant/es/floating-bubble/FloatingBubble.mjs

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+import { Teleport, computed, defineComponent, nextTick, onMounted, ref, watch, onActivated, onDeactivated, createVNode as _createVNode, vShow as _vShow, mergeProps as _mergeProps, withDirectives as _withDirectives } from "vue";
+import { pick, addUnit, closest, createNamespace, isObject, makeStringProp, windowWidth, windowHeight } from "../utils/index.mjs";
+import { useRect, useEventListener } from "@vant/use";
+import { useTouch } from "../composables/use-touch.mjs";
+import Icon from "../icon/index.mjs";
+const floatingBubbleProps = {
+  gap: {
+    type: [Number, Object],
+    default: 24
+  },
+  icon: String,
+  axis: makeStringProp("y"),
+  magnetic: String,
+  offset: Object,
+  teleport: {
+    type: [String, Object],
+    default: "body"
+  }
+};
+const [name, bem] = createNamespace("floating-bubble");
+var stdin_default = defineComponent({
+  name,
+  inheritAttrs: false,
+  props: floatingBubbleProps,
+  emits: ["click", "update:offset", "offsetChange"],
+  setup(props, {
+    slots,
+    emit,
+    attrs
+  }) {
+    const rootRef = ref();
+    const state = ref({
+      x: 0,
+      y: 0,
+      width: 0,
+      height: 0
+    });
+    const gapX = computed(() => isObject(props.gap) ? props.gap.x : props.gap);
+    const gapY = computed(() => isObject(props.gap) ? props.gap.y : props.gap);
+    const boundary = computed(() => ({
+      top: gapY.value,
+      right: windowWidth.value - state.value.width - gapX.value,
+      bottom: windowHeight.value - state.value.height - gapY.value,
+      left: gapX.value
+    }));
+    const dragging = ref(false);
+    let initialized = false;
+    const rootStyle = computed(() => {
+      const style = {};
+      const x = addUnit(state.value.x);
+      const y = addUnit(state.value.y);
+      style.transform = `translate3d(${x}, ${y}, 0)`;
+      if (dragging.value || !initialized) {
+        style.transition = "none";
+      }
+      return style;
+    });
+    const updateState = () => {
+      if (!show.value) return;
+      const {
+        width,
+        height
+      } = useRect(rootRef.value);
+      const {
+        offset
+      } = props;
+      state.value = {
+        x: offset ? offset.x : windowWidth.value - width - gapX.value,
+        y: offset ? offset.y : windowHeight.value - height - gapY.value,
+        width,
+        height
+      };
+    };
+    const touch = useTouch();
+    let prevX = 0;
+    let prevY = 0;
+    const onTouchStart = (e) => {
+      touch.start(e);
+      dragging.value = true;
+      prevX = state.value.x;
+      prevY = state.value.y;
+    };
+    const onTouchMove = (e) => {
+      e.preventDefault();
+      touch.move(e);
+      if (props.axis === "lock") return;
+      if (!touch.isTap.value) {
+        if (props.axis === "x" || props.axis === "xy") {
+          let nextX = prevX + touch.deltaX.value;
+          if (nextX < boundary.value.left) nextX = boundary.value.left;
+          if (nextX > boundary.value.right) nextX = boundary.value.right;
+          state.value.x = nextX;
+        }
+        if (props.axis === "y" || props.axis === "xy") {
+          let nextY = prevY + touch.deltaY.value;
+          if (nextY < boundary.value.top) nextY = boundary.value.top;
+          if (nextY > boundary.value.bottom) nextY = boundary.value.bottom;
+          state.value.y = nextY;
+        }
+        const offset = pick(state.value, ["x", "y"]);
+        emit("update:offset", offset);
+      }
+    };
+    useEventListener("touchmove", onTouchMove, {
+      target: rootRef
+    });
+    const onTouchEnd = () => {
+      dragging.value = false;
+      nextTick(() => {
+        if (props.magnetic === "x") {
+          const nextX = closest([boundary.value.left, boundary.value.right], state.value.x);
+          state.value.x = nextX;
+        }
+        if (props.magnetic === "y") {
+          const nextY = closest([boundary.value.top, boundary.value.bottom], state.value.y);
+          state.value.y = nextY;
+        }
+        if (!touch.isTap.value) {
+          const offset = pick(state.value, ["x", "y"]);
+          emit("update:offset", offset);
+          if (prevX !== offset.x || prevY !== offset.y) {
+            emit("offsetChange", offset);
+          }
+        }
+      });
+    };
+    const onClick = (e) => {
+      if (touch.isTap.value) emit("click", e);
+      else e.stopPropagation();
+    };
+    onMounted(() => {
+      updateState();
+      nextTick(() => {
+        initialized = true;
+      });
+    });
+    watch([windowWidth, windowHeight, gapX, gapY, () => props.offset], updateState, {
+      deep: true
+    });
+    const show = ref(true);
+    onActivated(() => {
+      show.value = true;
+    });
+    onDeactivated(() => {
+      if (props.teleport) {
+        show.value = false;
+      }
+    });
+    return () => {
+      const Content = _withDirectives(_createVNode("div", _mergeProps({
+        "class": bem(),
+        "ref": rootRef,
+        "onTouchstartPassive": onTouchStart,
+        "onTouchend": onTouchEnd,
+        "onTouchcancel": onTouchEnd,
+        "onClickCapture": onClick,
+        "style": rootStyle.value
+      }, attrs), [slots.default ? slots.default() : _createVNode(Icon, {
+        "name": props.icon,
+        "class": bem("icon")
+      }, null)]), [[_vShow, show.value]]);
+      return props.teleport ? _createVNode(Teleport, {
+        "to": props.teleport
+      }, {
+        default: () => [Content]
+      }) : Content;
+    };
+  }
+});
+export {
+  stdin_default as default,
+  floatingBubbleProps
+};