@progress/kendo-ui/umd/kendo.data.min.js

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

/* @license */
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0?n._skip||0:t,i,a={data:e,pristineData:e.toJSON(),timestamp:n._timeStamp()};this._isGroupPaged()?(i=r+e.length,a.outerStart=r,a.outerEnd=i):i=r+n._flatData(e,!0).length,a.start=r,a.end=i,n._ranges.push(a),n._sortRanges(),n._isGroupPaged()&&(n._groupsFlat||=[],n._appendToGroupsFlat(a.data),n._updateOuterRangesLength())},_appendToGroupsFlat:function(e){for(var t=e.length,n=0;n<t;n++)this._groupsFlat.push(e[n])},_getGroupByUid:function(e){for(var t=this._groupsFlat.length,n,r=0;r<t;r++)if(n=this._groupsFlat[r],n.uid===e)return n},_sortRanges:function(){this._ranges.sort(function(e,t){return e.start-t.start})},error:function(e,t,n){this._dequeueRequest(),this.trigger(O,{}),this.trigger(T,{xhr:e,status:t,errorThrown:n})},_params:function(e){var t=this,r=n({take:t.take(),skip:t.skip(),page:t.page(),pageSize:t.pageSize(),sort:t._sort,filter:t._filter,group:t._group,aggregate:t._aggregate,groupPaging:!!t._groupPaging,isExcelExportRequest:t.options.isExcelExportRequest},e);return t.options.serverPaging||(delete r.take,delete r.skip,delete r.page,delete r.pageSize),t.options.serverGrouping?t.reader.model&&r.group&&(r.group=Z(r.group,t.reader.model)):delete r.group,t.options.serverFiltering?t.reader.model&&r.filter&&(r.filter=rt(r.filter,t.reader.model)):delete r.filter,t.options.serverSorting?t.reader.model&&r.sort&&(r.sort=Z(r.sort,t.reader.model)):delete r.sort,t.options.serverAggregates?t.reader.model&&r.aggregate&&(r.aggregate=Z(r.aggregate,t.reader.model)):delete r.aggregate,(!t.options.groupPaging||!(t.options.serverPaging&&t.options.serverGrouping))&&delete r.groupPaging,t.options.isExcelExportRequest||delete r.isExcelExportRequest,r},_queueRequest:function(e,n){var r=this;r._requestInProgress?r._pending={callback:n.bind(r),options:e}:(r._requestInProgress=!0,r._pending=t,n())},_dequeueRequest:function(){var e=this;e._requestInProgress=!1,e._pending&&e._queueRequest(e._pending.options,e._pending.callback)},_handleCustomErrors:function(e){if(this.reader.errors){var t=this.reader.errors(e);if(t)return this.trigger(T,{xhr:null,status:`customerror`,errorThrown:`custom error`,errors:t}),!0}return!1},_shouldWrap:function(e){var t=this.reader.model;return t&&e.length?!(e[0]instanceof t):!1},_observe:function(e){var t=this,n=t.reader.model;return t._shouldDetachObservableParents=!0,e instanceof I?(t._shouldDetachObservableParents=!1,t._shouldWrap(e)&&(e.type=t.reader.model,e.wrapAll(e,e))):(e=new(t.pageSize()&&!t.options.serverPaging?L:I)(e,t.reader.model),e.parent=function(){return t.parent()}),t._isServerGrouped()&&qe(e,n),t._changeHandler&&t._data&&t._data instanceof I&&!(t.options.useRanges&&t.options.serverPaging)?t._data.unbind(C,t._changeHandler):t._changeHandler=t._change.bind(t),e.bind(C,t._changeHandler)},_updateTotalForAction:function(e,t){var n=this,r=parseInt(n._total,10);K(n._total)||(r=parseInt(n._pristineTotal,10)),e===`add`?r+=t.length:e===`remove`?r-=t.length:e!==`itemchange`&&e!==`sync`&&!n.options.serverPaging?r=n._pristineTotal:e===`sync`&&(r=n._pristineTotal=parseInt(n._total,10)),n._total=r},_operationsForUpdatedFields:function(){let e=this,t=e._updatedFields||[],n={},r=!1,i;return n.sort=e._sort,n.filter=e._filter,n.group=e._group,n.aggregate=e._aggregate,i=M(n),r=t.some(e=>i.indexOf(`"field":"${e}"`)>-1),!r},_pushInDestroyed:function(e){this._destroyed.find(function(t){return t.uid===e.uid})||this._destroyed.push(e)},_change:function(e){let t=this,n,r,i,a=e?e.action:``;if(a===`remove`)for(n=0,i=e.items.length;n<i;n++)(!e.items[n].isNew||!e.items[n].isNew())&&t._pushInDestroyed(e.items[n]);if(e&&(r=e.items||[],e.partialUpdate=t._operationsForUpdatedFields()&&!t._preventPartialUpdate,e.action===`itemchange`&&r.some(e=>e.dirtyFields))){let n=e.items[0],r=Object.keys(n.dirtyFields),i=r;for(let e of r)if(n[e]instanceof Object){let t=d.stringify(n[e]);if(t){let n=JSON.parse(t),r=Object.keys(n).map(t=>e+`.`+t);i.push(...r)}}t._updatedFields=i}if(t.options.autoSync&&(a===`add`||a===`remove`||a===`itemchange`)){a===`add`&&(t._preventPartialUpdate=!0);var o=function(n){n.action===`sync`&&(t._preventPartialUpdate=!1,t.unbind(`change`,o),t._updateTotalForAction(a,e.items))};t.first(`change`,o