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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
require('../../utils/index.js');
var style = require('../../utils/dom/style.js');
const useDraggable = (targetRef, dragRef, draggable, overflow) => {
let transform = {
offsetX: 0,
offsetY: 0
};
const onMousedown = (e) => {
const downX = e.clientX;
const downY = e.clientY;
const { offsetX, offsetY } = transform;
const targetRect = targetRef.value.getBoundingClientRect();
const targetLeft = targetRect.left;
const targetTop = targetRect.top;
const targetWidth = targetRect.width;
const targetHeight = targetRect.height;
const clientWidth = document.documentElement.clientWidth;
const clientHeight = document.documentElement.clientHeight;
const minLeft = -targetLeft + offsetX;
const minTop = -targetTop + offsetY;
const maxLeft = clientWidth - targetLeft - targetWidth + offsetX;
const maxTop = clientHeight - targetTop - targetHeight + offsetY;
const onMousemove = (e2) => {
let moveX = offsetX + e2.clientX - downX;
let moveY = offsetY + e2.clientY - downY;
if (!(overflow == null ? void 0 : overflow.value)) {
moveX = Math.min(Math.max(moveX, minLeft), maxLeft);
moveY = Math.min(Math.max(moveY, minTop), maxTop);
}
transform = {
offsetX: moveX,
offsetY: moveY
};
if (targetRef.value) {
targetRef.value.style.transform = `translate(${style.addUnit(moveX)}, ${style.addUnit(moveY)})`;
}
};
const onMouseup = () => {
document.removeEventListener("mousemove", onMousemove);
document.removeEventListener("mouseup", onMouseup);
};
document.addEventListener("mousemove", onMousemove);
document.addEventListener("mouseup", onMouseup);
};
const onDraggable = () => {
if (dragRef.value && targetRef.value) {
dragRef.value.addEventListener("mousedown", onMousedown);
}
};
const offDraggable = () => {
if (dragRef.value && targetRef.value) {
dragRef.value.removeEventListener("mousedown", onMousedown);
}
};
const resetPosition = () => {
transform = {
offsetX: 0,
offsetY: 0
};
if (targetRef.value) {
targetRef.value.style.transform = "none";
}
};
vue.onMounted(() => {
vue.watchEffect(() => {
if (draggable.value) {
onDraggable();
} else {
offDraggable();
}
});
});
vue.onBeforeUnmount(() => {
offDraggable();
});
return {
resetPosition
};
};
exports.useDraggable = useDraggable;
//# sourceMappingURL=index.js.map