@nutui/nutui-react/dist/cjs/utils/rubberband.js

京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    rubberband: function() {
        return rubberband;
    },
    rubberbandIfOutOfBounds: function() {
        return rubberbandIfOutOfBounds;
    }
});
var _bound = require("./bound");
function rubberband(distance, dimension, constant) {
    return distance * dimension * constant / (dimension + constant * distance);
}
function rubberbandIfOutOfBounds(position, min, max, dimension) {
    var constant = arguments.length > 4 && arguments[4] !== void 0 ? arguments[4] : 0.15;
    if (constant === 0) return (0, _bound.bound)(position, min, max);
    if (position < min) return -rubberband(min - position, dimension, constant) + min;
    if (position > max) return +rubberband(position - max, dimension, constant) + max;
    return position;
}