bee-table/build/lib/utils.js

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JavaScript
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Event = exports.EventUtil = exports.tryParseInt = undefined;
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
exports.measureScrollbar = measureScrollbar;
exports.debounce = debounce;
exports.warningOnce = warningOnce;
exports.getOffset = getOffset;
exports.addClass = addClass;
exports.removeClass = removeClass;
exports.ObjectAssign = ObjectAssign;
exports.closest = closest;
exports.getMaxColChildrenLength = getMaxColChildrenLength;
exports.getColChildrenLength = getColChildrenLength;
exports.DicimalFormater = DicimalFormater;
exports.checkDicimalInvalid = checkDicimalInvalid;
exports.formatMoney = formatMoney;
exports.convertListToTree = convertListToTree;
var _warning = require('warning');
var _warning2 = _interopRequireDefault(_warning);
var _parseInt = require('lodash/parseInt');
var _parseInt2 = _interopRequireDefault(_parseInt);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
var scrollbarSize = void 0;
// Measure scrollbar width for padding body during modal show/hide
var scrollbarMeasure = {
position: 'absolute',
top: '-9999px',
width: '50px',
height: '50px',
overflow: 'scroll'
};
function measureScrollbar() {
var direction = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'vertical';
if (typeof document === 'undefined' || typeof window === 'undefined') {
return 0;
}
var tableDom = document.querySelector('.u-table');
var currentDom = tableDom ? tableDom : document.body;
if (scrollbarSize) {
return scrollbarSize;
}
var scrollDiv = document.createElement('div');
Object.keys(scrollbarMeasure).forEach(function (scrollProp) {
scrollDiv.style[scrollProp] = scrollbarMeasure[scrollProp];
});
currentDom.appendChild(scrollDiv);
var size = 0;
if (direction === 'vertical') {
size = scrollDiv.offsetWidth - scrollDiv.clientWidth;
} else if (direction === 'horizontal') {
size = scrollDiv.offsetHeight - scrollDiv.clientHeight;
}
currentDom.removeChild(scrollDiv);
scrollbarSize = size;
return scrollbarSize;
}
function debounce(func, wait, immediate) {
var timeout = void 0;
return function debounceFunc() {
var context = this;
var args = arguments;
// https://fb.me/react-event-pooling
if (args[0] && args[0].persist) {
args[0].persist();
}
var later = function later() {
timeout = null;
if (!immediate) {
func.apply(context, args);
}
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) {
func.apply(context, args);
}
};
}
var warned = {};
function warningOnce(condition, format, args) {
if (!warned[format]) {
(0, _warning2["default"])(condition, format, args);
warned[format] = true;
}
}
function getOffset(Node, offset) {
if (!offset) {
offset = {};
offset.top = 0;
offset.left = 0;
}
if (Node == document.body) {
return offset;
}
offset.top += Node.offsetTop;
offset.left += Node.offsetLeft;
if (Node.offsetParent) return getOffset(Node.offsetParent, offset);else return offset;
};
var tryParseInt = exports.tryParseInt = function tryParseInt(value) {
var defaultValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var resultValue = (0, _parseInt2["default"])(value);
if (isNaN(resultValue)) {
return defaultValue;
}
return resultValue;
};
function addClass(elm, className) {
if (!className) return;
var els = Array.isArray(elm) ? elm : [elm];
els.forEach(function (el) {
if (el.classList) {
el.classList.add(className.split(' '));
} else {
el.className += ' ' + className;
}
});
}
function removeClass(elm, className) {
if (!className) return;
var els = Array.isArray(elm) ? elm : [elm];
els.forEach(function (el) {
if (el.classList) {
el.classList.remove(className.split(' '));
} else {
el.className = el.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
}
});
}
/**
* 简单数组数据对象拷贝
* @param {*} obj 要拷贝的对象
*/
function ObjectAssign(obj) {
var b = obj instanceof Array;
var tagObj = b ? [] : {};
if (b) {
//数组
obj.forEach(function (da) {
var _da = {};
_extends(_da, da);
tagObj.push(_da);
});
} else {
_extends(tagObj, obj);
}
return tagObj;
}
/**
* 获取某个父元素
* */
function closest(ele, selector) {
var matches = ele.matches || ele.webkitMatchesSelector || ele.mozMatchesSelector || ele.msMatchesSelector;
if (matches) {
while (ele) {
if (matches.call(ele, selector)) {
return ele;
} else {
ele = ele.parentElement;
}
}
}
return null;
}
function getMaxColChildrenLength(columns) {
var arr = [];
arr = columns.map(function (item, index) {
var chilrenLen = 0;
if (item.children) {
chilrenLen = getColChildrenLength(item.children, chilrenLen + 1);
}
return chilrenLen;
});
var max = Math.max.apply(null, arr);
return max;
}
function getColChildrenLength(columns, chilrenLen) {
columns.forEach(function (item, index) {
if (item.children) {
chilrenLen = getColChildrenLength(item.children, chilrenLen + 1);
}
});
return chilrenLen;
}
function addHandler(element, type, handler) {
var event = null;
if (element.addEventListener) {
//检测是否为DOM2级方法
event = element.addEventListener(type, handler, false);
} else if (element.attachEvent) {
//检测是否为IE级方法
event = element.attachEvent("on" + type, handler);
} else {
//检测是否为DOM0级方法
event = element["on" + type] = handler;
}
return event;
}
function removeHandler(element, type, handler) {
if (element && element.removeEventListener) {
//element&& ie11报错兼容
element.removeEventListener(type, handler, false);
} else if (element && element.detachEvent) {
element.detachEvent("on" + type, handler);
} else if (element) {
element["on" + type] = null;
}
}
//获取事件对象的兼容性写法
function getEvent(event) {
return event ? event : window.event;
}
//获取事件对象目标的兼容性写法
function getTarget(event) {
return event.target || event.srcElement;
}
function preventDefault(event) {
if (event.preventDefault) {
event.preventDefault();
} else {
event.returnValue = false;
}
}
function stopPropagation(event) {
if (event.stopPropagation) {
event.stopPropagation();
} else {
event.cancelBubble = true;
}
}
//用事件冒泡方式如果想兼容事件捕获只需要添加个bool参数
var EventUtil = exports.EventUtil = {
addHandler: function addHandler(element, type, handler) {
if (element.addEventListener) {
element.addEventListener(type, handler, false);
} else if (element.attachEvent) {
element.attachEvent('on' + type, handler);
} else {
element['on' + type] = handler;
}
},
removeHandler: function removeHandler(element, type, handler) {
//element&& ie11报错兼容
if (element && element.removeEventListener) {
element.removeEventListener(type, handler, false);
} else if (element && element.detachEvent) {
element.detachEvent('on' + type, handler);
} else if (element) {
element['on' + type] = null;
}
}
/*
* 处理精度
*/
};function DicimalFormater(value, precision) {
var value = value + '',
precision = precision ? precision : 0;
for (var i = 0; i < value.length; i++) {
if ("-0123456789.".indexOf(value.charAt(i)) == -1) return "";
}
return checkDicimalInvalid(value, precision);
};
function checkDicimalInvalid(value, precision) {
if (value == null || isNaN(value)) return "";
// 浮点数总位数不能超过10位
var digit = parseFloat(value);
var result = (digit * Math.pow(10, precision) / Math.pow(10, precision)).toFixed(precision);
if (result == "NaN") return "";
return result;
};
/**
* 将数值转化为货币类型
* @param {*} number 数值
* @param {*} places 精度
* @param {*} thousand 是否展示千分位
*/
function formatMoney(number, places, thousand) {
number = number || 0;
places = !isNaN(places = Math.abs(places)) ? places : 2;
var thousandSymbol = thousand ? "," : '';
var negative = number < 0 ? "-" : "";
var i = (0, _parseInt2["default"])(number = Math.abs(+number || 0).toFixed(places), 10) + "";
var j = (j = i.length) > 3 ? j % 3 : 0;
return negative + (j ? i.substr(0, j) + thousandSymbol : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousandSymbol) + (places ? '.' + Math.abs(number - i).toFixed(places).slice(2) : "");
}
var Event = exports.Event = {
addHandler: addHandler,
removeHandler: removeHandler,
getEvent: getEvent,
getTarget: getTarget,
preventDefault: preventDefault,
stopPropagation: stopPropagation
/**
* 将一维数组转换为树结构
* @param {*} treeData 扁平结构的 List 数组
* @param {*} attr 属性配置设置
* @param {*} flatTreeKeysMap 存储所有 key-value 的映射,方便获取各节点信息
*/
};function convertListToTree(treeData, attr, flatTreeKeysMap) {
var tree = []; //存储所有一级节点
var resData = treeData,
//resData 存储截取的节点 + 父节点(除一级节点外)
resKeysMap = {},
//resData 的Map映射
treeKeysMap = {}; //tree 的Map映射
resData.map(function (element) {
var key = attr.id;
resKeysMap[element[key]] = element;
});
// 查找父节点,为了补充不完整的数据结构
var findParentNode = function findParentNode(node) {
var parentKey = node[attr.parendId];
if (parentKey !== attr.rootId) {
//如果不是根节点,则继续递归
var item = flatTreeKeysMap[parentKey];
// 用 resKeysMap 判断,避免重复计算某节点的父节点
if (resKeysMap.hasOwnProperty(item[attr.id])) return;
resData.unshift(item);
resKeysMap[item[attr.id]] = item;
findParentNode(item);
} else {
// 用 treeKeysMap 判断,避免重复累加
if (!treeKeysMap.hasOwnProperty(node[attr.id])) {
var key = node.key,
title = node.title,
children = node.children,
_isLeaf = node._isLeaf,
otherProps = _objectWithoutProperties(node, ['key', 'title', 'children', '_isLeaf']);
var obj = {
key: key,
title: title,
_isLeaf: _isLeaf,
children: []
};
tree.push(_extends(obj, _extends({}, otherProps)));
treeKeysMap[key] = node;
}
}
};
// 遍历 resData ,找到所有的一级节点
for (var i = 0; i < resData.length; i++) {
var item = resData[i];
if (item[attr.parendId] === attr.rootId && !treeKeysMap.hasOwnProperty(item[attr.id])) {
//如果是根节点,就存放进 tree 对象中
var key = item.key,
title = item.title,
children = item.children,
otherProps = _objectWithoutProperties(item, ['key', 'title', 'children']);
var obj = {
key: item[attr.id],
_isLeaf: item[attr._isLeaf],
children: []
};
tree.push(_extends(obj, _extends({}, otherProps)));
treeKeysMap[key] = item;
resData.splice(i, 1);
i--;
} else {
//递归查找根节点信息
findParentNode(item);
}
}
// console.log('resData',resKeysMap);
var run = function run(treeArrs) {
if (resData.length > 0) {
for (var _i = 0; _i < treeArrs.length; _i++) {
for (var j = 0; j < resData.length; j++) {
var _item = resData[j];
if (treeArrs[_i].key === _item[attr.parendId]) {
var _key = _item.key,
_title = _item.title,
_children = _item.children,
_otherProps = _objectWithoutProperties(_item, ['key', 'title', 'children']);
var _obj = {
key: _item[attr.id],
_isLeaf: _item[attr._isLeaf],
children: []
};
treeArrs[_i].children.push(_extends(_obj, _extends({}, _otherProps)));
resData.splice(j, 1);
j--;
}
}
run(treeArrs[_i].children);
}
}
};
run(tree);
return tree;
}