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table-column.js
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table-column.js
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module.exports =
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "/dist/";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 135);
/******/ })
/************************************************************************/
/******/ ({
/***/ 135:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXTERNAL MODULE: external "element-ui/lib/utils/util"
var util_ = __webpack_require__(3);
// CONCATENATED MODULE: ./packages/table/src/config.js
var cellStarts = {
default: {
order: ''
},
selection: {
width: 48,
minWidth: 48,
realWidth: 48,
order: '',
className: 'el-table-column--selection'
},
expand: {
width: 48,
minWidth: 48,
realWidth: 48,
order: ''
},
index: {
width: 48,
minWidth: 48,
realWidth: 48,
order: ''
}
};
// 这些选项不应该被覆盖
var cellForced = {
selection: {
renderHeader: function renderHeader(h, _ref) {
var store = _ref.store;
return h('el-checkbox', {
attrs: {
disabled: store.states.data && store.states.data.length === 0,
indeterminate: store.states.selection.length > 0 && !this.isAllSelected,
value: this.isAllSelected },
on: {
'input': this.toggleAllSelection
}
});
},
renderCell: function renderCell(h, _ref2) {
var row = _ref2.row,
column = _ref2.column,
isSelected = _ref2.isSelected,
store = _ref2.store,
$index = _ref2.$index;
return h('el-checkbox', {
nativeOn: {
'click': function click(event) {
return event.stopPropagation();
}
},
attrs: {
value: isSelected,
disabled: column.selectable ? !column.selectable.call(null, row, $index) : false
},
on: {
'input': function input() {
store.commit('rowSelectedChanged', row);
}
}
});
},
sortable: false,
resizable: false
},
index: {
renderHeader: function renderHeader(h, _ref3) {
var column = _ref3.column;
return column.label || '#';
},
renderCell: function renderCell(h, _ref4) {
var $index = _ref4.$index,
column = _ref4.column;
var i = $index + 1;
var index = column.index;
if (typeof index === 'number') {
i = $index + index;
} else if (typeof index === 'function') {
i = index($index);
}
return h('div', [i]);
},
sortable: false
},
expand: {
renderHeader: function renderHeader(h, _ref5) {
var column = _ref5.column;
return column.label || '';
},
renderCell: function renderCell(h, _ref6) {
var row = _ref6.row,
store = _ref6.store,
isExpanded = _ref6.isExpanded;
var classes = ['el-table__expand-icon'];
if (isExpanded) {
classes.push('el-table__expand-icon--expanded');
}
var callback = function callback(e) {
e.stopPropagation();
store.toggleRowExpansion(row);
};
return h(
'div',
{ 'class': classes,
on: {
'click': callback
}
},
[h('i', { 'class': 'el-icon el-icon-arrow-right' })]
);
},
sortable: false,
resizable: false,
className: 'el-table__expand-column'
}
};
function defaultRenderCell(h, _ref7) {
var row = _ref7.row,
column = _ref7.column,
$index = _ref7.$index;
var property = column.property;
var value = property && Object(util_["getPropByPath"])(row, property).v;
if (column && column.formatter) {
return column.formatter(row, column, value, $index);
}
return value;
}
function treeCellPrefix(h, _ref8) {
var row = _ref8.row,
treeNode = _ref8.treeNode,
store = _ref8.store;
if (!treeNode) return null;
var ele = [];
var callback = function callback(e) {
e.stopPropagation();
store.loadOrToggle(row);
};
if (treeNode.indent) {
ele.push(h('span', { 'class': 'el-table__indent', style: { 'padding-left': treeNode.indent + 'px' } }));
}
if (typeof treeNode.expanded === 'boolean' && !treeNode.noLazyChildren) {
var expandClasses = ['el-table__expand-icon', treeNode.expanded ? 'el-table__expand-icon--expanded' : ''];
var iconClasses = ['el-icon-arrow-right'];
if (treeNode.loading) {
iconClasses = ['el-icon-loading'];
}
ele.push(h(
'div',
{ 'class': expandClasses,
on: {
'click': callback
}
},
[h('i', { 'class': iconClasses })]
));
} else {
ele.push(h('span', { 'class': 'el-table__placeholder' }));
}
return ele;
}
// EXTERNAL MODULE: ./packages/table/src/util.js
var util = __webpack_require__(8);
// EXTERNAL MODULE: external "element-ui/lib/checkbox"
var checkbox_ = __webpack_require__(19);
var checkbox_default = /*#__PURE__*/__webpack_require__.n(checkbox_);
// CONCATENATED MODULE: ./packages/table/src/table-column.js
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; };
var columnIdSeed = 1;
/* harmony default export */ var table_column = ({
name: 'ElTableColumn',
props: {
type: {
type: String,
default: 'default'
},
label: String,
className: String,
labelClassName: String,
property: String,
prop: String,
width: {},
minWidth: {},
renderHeader: Function,
sortable: {
type: [Boolean, String],
default: false
},
sortMethod: Function,
sortBy: [String, Function, Array],
resizable: {
type: Boolean,
default: true
},
columnKey: String,
align: String,
headerAlign: String,
showTooltipWhenOverflow: Boolean,
showOverflowTooltip: Boolean,
fixed: [Boolean, String],
formatter: Function,
selectable: Function,
reserveSelection: Boolean,
filterMethod: Function,
filteredValue: Array,
filters: Array,
filterPlacement: String,
filterMultiple: {
type: Boolean,
default: true
},
index: [Number, Function],
sortOrders: {
type: Array,
default: function _default() {
return ['ascending', 'descending', null];
},
validator: function validator(val) {
return val.every(function (order) {
return ['ascending', 'descending', null].indexOf(order) > -1;
});
}
}
},
data: function data() {
return {
isSubColumn: false,
columns: []
};
},
computed: {
owner: function owner() {
var parent = this.$parent;
while (parent && !parent.tableId) {
parent = parent.$parent;
}
return parent;
},
columnOrTableParent: function columnOrTableParent() {
var parent = this.$parent;
while (parent && !parent.tableId && !parent.columnId) {
parent = parent.$parent;
}
return parent;
},
realWidth: function realWidth() {
return Object(util["l" /* parseWidth */])(this.width);
},
realMinWidth: function realMinWidth() {
return Object(util["k" /* parseMinWidth */])(this.minWidth);
},
realAlign: function realAlign() {
return this.align ? 'is-' + this.align : null;
},
realHeaderAlign: function realHeaderAlign() {
return this.headerAlign ? 'is-' + this.headerAlign : this.realAlign;
}
},
methods: {
getPropsData: function getPropsData() {
var _this = this;
for (var _len = arguments.length, props = Array(_len), _key = 0; _key < _len; _key++) {
props[_key] = arguments[_key];
}
return props.reduce(function (prev, cur) {
if (Array.isArray(cur)) {
cur.forEach(function (key) {
prev[key] = _this[key];
});
}
return prev;
}, {});
},
getColumnElIndex: function getColumnElIndex(children, child) {
return [].indexOf.call(children, child);
},
setColumnWidth: function setColumnWidth(column) {
if (this.realWidth) {
column.width = this.realWidth;
}
if (this.realMinWidth) {
column.minWidth = this.realMinWidth;
}
if (!column.minWidth) {
column.minWidth = 80;
}
column.realWidth = column.width === undefined ? column.minWidth : column.width;
return column;
},
setColumnForcedProps: function setColumnForcedProps(column) {
// 对于特定类型的 column,某些属性不允许设置
var type = column.type;
var source = cellForced[type] || {};
Object.keys(source).forEach(function (prop) {
var value = source[prop];
if (value !== undefined) {
column[prop] = prop === 'className' ? column[prop] + ' ' + value : value;
}
});
return column;
},
setColumnRenders: function setColumnRenders(column) {
var _this2 = this;
var h = this.$createElement;
// renderHeader 属性不推荐使用。
if (this.renderHeader) {
console.warn('[Element Warn][TableColumn]Comparing to render-header, scoped-slot header is easier to use. We recommend users to use scoped-slot header.');
} else if (column.type !== 'selection') {
column.renderHeader = function (h, scope) {
var renderHeader = _this2.$scopedSlots.header;
return renderHeader ? renderHeader(scope) : column.label;
};
}
var originRenderCell = column.renderCell;
// TODO: 这里的实现调整
if (column.type === 'expand') {
// 对于展开行,renderCell 不允许配置的。在上一步中已经设置过,这里需要简单封装一下。
column.renderCell = function (h, data) {
return h(
'div',
{ 'class': 'cell' },
[originRenderCell(h, data)]
);
};
this.owner.renderExpanded = function (h, data) {
return _this2.$scopedSlots.default ? _this2.$scopedSlots.default(data) : _this2.$slots.default;
};
} else {
originRenderCell = originRenderCell || defaultRenderCell;
// 对 renderCell 进行包装
column.renderCell = function (h, data) {
var children = null;
if (_this2.$scopedSlots.default) {
children = _this2.$scopedSlots.default(data);
} else {
children = originRenderCell(h, data);
}
var prefix = treeCellPrefix(h, data);
var props = {
class: 'cell',
style: {}
};
if (column.showOverflowTooltip) {
props.class += ' el-tooltip';
props.style = { width: (data.column.realWidth || data.column.width) - 1 + 'px' };
}
return h(
'div',
props,
[prefix, children]
);
};
}
return column;
},
registerNormalWatchers: function registerNormalWatchers() {
var _this3 = this;
var props = ['label', 'property', 'filters', 'filterMultiple', 'sortable', 'index', 'formatter', 'className', 'labelClassName', 'showOverflowTooltip'];
// 一些属性具有别名
var aliases = {
prop: 'property',
realAlign: 'align',
realHeaderAlign: 'headerAlign',
realWidth: 'width'
};
var allAliases = props.reduce(function (prev, cur) {
prev[cur] = cur;
return prev;
}, aliases);
Object.keys(allAliases).forEach(function (key) {
var columnKey = aliases[key];
_this3.$watch(key, function (newVal) {
_this3.columnConfig[columnKey] = newVal;
});
});
},
registerComplexWatchers: function registerComplexWatchers() {
var _this4 = this;
var props = ['fixed'];
var aliases = {
realWidth: 'width',
realMinWidth: 'minWidth'
};
var allAliases = props.reduce(function (prev, cur) {
prev[cur] = cur;
return prev;
}, aliases);
Object.keys(allAliases).forEach(function (key) {
var columnKey = aliases[key];
_this4.$watch(key, function (newVal) {
_this4.columnConfig[columnKey] = newVal;
var updateColumns = columnKey === 'fixed';
_this4.owner.store.scheduleLayout(updateColumns);
});
});
}
},
components: {
ElCheckbox: checkbox_default.a
},
beforeCreate: function beforeCreate() {
this.row = {};
this.column = {};
this.$index = 0;
this.columnId = '';
},
created: function created() {
var parent = this.columnOrTableParent;
this.isSubColumn = this.owner !== parent;
this.columnId = (parent.tableId || parent.columnId) + '_column_' + columnIdSeed++;
var type = this.type || 'default';
var sortable = this.sortable === '' ? true : this.sortable;
var defaults = _extends({}, cellStarts[type], {
id: this.columnId,
type: type,
property: this.prop || this.property,
align: this.realAlign,
headerAlign: this.realHeaderAlign,
showOverflowTooltip: this.showOverflowTooltip || this.showTooltipWhenOverflow,
// filter 相关属性
filterable: this.filters || this.filterMethod,
filteredValue: [],
filterPlacement: '',
isColumnGroup: false,
filterOpened: false,
// sort 相关属性
sortable: sortable,
// index 列
index: this.index
});
var basicProps = ['columnKey', 'label', 'className', 'labelClassName', 'type', 'renderHeader', 'formatter', 'fixed', 'resizable'];
var sortProps = ['sortMethod', 'sortBy', 'sortOrders'];
var selectProps = ['selectable', 'reserveSelection'];
var filterProps = ['filterMethod', 'filters', 'filterMultiple', 'filterOpened', 'filteredValue', 'filterPlacement'];
var column = this.getPropsData(basicProps, sortProps, selectProps, filterProps);
column = Object(util["h" /* mergeOptions */])(defaults, column);
// 注意 compose 中函数执行的顺序是从右到左
var chains = Object(util["a" /* compose */])(this.setColumnRenders, this.setColumnWidth, this.setColumnForcedProps);
column = chains(column);
this.columnConfig = column;
// 注册 watcher
this.registerNormalWatchers();
this.registerComplexWatchers();
},
mounted: function mounted() {
var owner = this.owner;
var parent = this.columnOrTableParent;
var children = this.isSubColumn ? parent.$el.children : parent.$refs.hiddenColumns.children;
var columnIndex = this.getColumnElIndex(children, this.$el);
owner.store.commit('insertColumn', this.columnConfig, columnIndex, this.isSubColumn ? parent.columnConfig : null);
},
destroyed: function destroyed() {
if (!this.$parent) return;
var parent = this.$parent;
this.owner.store.commit('removeColumn', this.columnConfig, this.isSubColumn ? parent.columnConfig : null);
},
render: function render(h) {
// slots 也要渲染,需要计算合并表头
return h('div', this.$slots.default);
}
});
// CONCATENATED MODULE: ./packages/table-column/index.js
/* istanbul ignore next */
table_column.install = function (Vue) {
Vue.component(table_column.name, table_column);
};
/* harmony default export */ var packages_table_column = __webpack_exports__["default"] = (table_column);
/***/ }),
/***/ 19:
/***/ (function(module, exports) {
module.exports = require("element-ui/lib/checkbox");
/***/ }),
/***/ 3:
/***/ (function(module, exports) {
module.exports = require("element-ui/lib/utils/util");
/***/ }),
/***/ 8:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return getCell; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return orderBy; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return getColumnById; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return getColumnByKey; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return getColumnByCell; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return getRowIdentity; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return getKeysMap; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return mergeOptions; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "l", function() { return parseWidth; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return parseMinWidth; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return parseHeight; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return compose; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "m", function() { return toggleRowStatus; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "n", function() { return walkTreeNode; });
/* harmony import */ var element_ui_src_utils_util__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(3);
/* harmony import */ var element_ui_src_utils_util__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(element_ui_src_utils_util__WEBPACK_IMPORTED_MODULE_0__);
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
var getCell = function getCell(event) {
var cell = event.target;
while (cell && cell.tagName.toUpperCase() !== 'HTML') {
if (cell.tagName.toUpperCase() === 'TD') {
return cell;
}
cell = cell.parentNode;
}
return null;
};
var isObject = function isObject(obj) {
return obj !== null && (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object';
};
var orderBy = function orderBy(array, sortKey, reverse, sortMethod, sortBy) {
if (!sortKey && !sortMethod && (!sortBy || Array.isArray(sortBy) && !sortBy.length)) {
return array;
}
if (typeof reverse === 'string') {
reverse = reverse === 'descending' ? -1 : 1;
} else {
reverse = reverse && reverse < 0 ? -1 : 1;
}
var getKey = sortMethod ? null : function (value, index) {
if (sortBy) {
if (!Array.isArray(sortBy)) {
sortBy = [sortBy];
}
return sortBy.map(function (by) {
if (typeof by === 'string') {
return Object(element_ui_src_utils_util__WEBPACK_IMPORTED_MODULE_0__["getValueByPath"])(value, by);
} else {
return by(value, index, array);
}
});
}
if (sortKey !== '$key') {
if (isObject(value) && '$value' in value) value = value.$value;
}
return [isObject(value) ? Object(element_ui_src_utils_util__WEBPACK_IMPORTED_MODULE_0__["getValueByPath"])(value, sortKey) : value];
};
var compare = function compare(a, b) {
if (sortMethod) {
return sortMethod(a.value, b.value);
}
for (var i = 0, len = a.key.length; i < len; i++) {
if (a.key[i] < b.key[i]) {
return -1;
}
if (a.key[i] > b.key[i]) {
return 1;
}
}
return 0;
};
return array.map(function (value, index) {
return {
value: value,
index: index,
key: getKey ? getKey(value, index) : null
};
}).sort(function (a, b) {
var order = compare(a, b);
if (!order) {
// make stable https://en.wikipedia.org/wiki/Sorting_algorithm#Stability
order = a.index - b.index;
}
return order * reverse;
}).map(function (item) {
return item.value;
});
};
var getColumnById = function getColumnById(table, columnId) {
var column = null;
table.columns.forEach(function (item) {
if (item.id === columnId) {
column = item;
}
});
return column;
};
var getColumnByKey = function getColumnByKey(table, columnKey) {
var column = null;
for (var i = 0; i < table.columns.length; i++) {
var item = table.columns[i];
if (item.columnKey === columnKey) {
column = item;
break;
}
}
return column;
};
var getColumnByCell = function getColumnByCell(table, cell) {
var matches = (cell.className || '').match(/el-table_[^\s]+/gm);
if (matches) {
return getColumnById(table, matches[0]);
}
return null;
};
var getRowIdentity = function getRowIdentity(row, rowKey) {
if (!row) throw new Error('row is required when get row identity');
if (typeof rowKey === 'string') {
if (rowKey.indexOf('.') < 0) {
return row[rowKey];
}
var key = rowKey.split('.');
var current = row;
for (var i = 0; i < key.length; i++) {
current = current[key[i]];
}
return current;
} else if (typeof rowKey === 'function') {
return rowKey.call(null, row);
}
};
var getKeysMap = function getKeysMap(array, rowKey) {
var arrayMap = {};
(array || []).forEach(function (row, index) {
arrayMap[getRowIdentity(row, rowKey)] = { row: row, index: index };
});
return arrayMap;
};
function hasOwn(obj, key) {
return Object.prototype.hasOwnProperty.call(obj, key);
}
function mergeOptions(defaults, config) {
var options = {};
var key = void 0;
for (key in defaults) {
options[key] = defaults[key];
}
for (key in config) {
if (hasOwn(config, key)) {
var value = config[key];
if (typeof value !== 'undefined') {
options[key] = value;
}
}
}
return options;
}
function parseWidth(width) {
if (width !== undefined) {
width = parseInt(width, 10);
if (isNaN(width)) {
width = null;
}
}
return width;
}
function parseMinWidth(minWidth) {
if (typeof minWidth !== 'undefined') {
minWidth = parseWidth(minWidth);
if (isNaN(minWidth)) {
minWidth = 80;
}
}
return minWidth;
};
function parseHeight(height) {
if (typeof height === 'number') {
return height;
}
if (typeof height === 'string') {
if (/^\d+(?:px)?$/.test(height)) {
return parseInt(height, 10);
} else {
return height;
}
}
return null;
}
// https://github.com/reduxjs/redux/blob/master/src/compose.js
function compose() {
for (var _len = arguments.length, funcs = Array(_len), _key = 0; _key < _len; _key++) {
funcs[_key] = arguments[_key];
}
if (funcs.length === 0) {
return function (arg) {
return arg;
};
}
if (funcs.length === 1) {
return funcs[0];
}
return funcs.reduce(function (a, b) {
return function () {
return a(b.apply(undefined, arguments));
};
});
}
function toggleRowStatus(statusArr, row, newVal) {
var changed = false;
var index = statusArr.indexOf(row);
var included = index !== -1;
var addRow = function addRow() {
statusArr.push(row);
changed = true;
};
var removeRow = function removeRow() {
statusArr.splice(index, 1);
changed = true;
};
if (typeof newVal === 'boolean') {
if (newVal && !included) {
addRow();
} else if (!newVal && included) {
removeRow();
}
} else {
if (included) {
removeRow();
} else {
addRow();
}
}
return changed;
}
function walkTreeNode(root, cb) {
var childrenKey = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'children';
var lazyKey = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 'hasChildren';
var isNil = function isNil(array) {
return !(Array.isArray(array) && array.length);
};
function _walker(parent, children, level) {
cb(parent, children, level);
children.forEach(function (item) {
if (item[lazyKey]) {
cb(item, null, level + 1);
return;
}
var children = item[childrenKey];
if (!isNil(children)) {
_walker(item, children, level + 1);
}
});
}
root.forEach(function (item) {
if (item[lazyKey]) {
cb(item, null, 0);
return;
}
var children = item[childrenKey];
if (!isNil(children)) {
_walker(item, children, 0);
}
});
}
/***/ })
/******/ });