now download csv saves the filtered data

package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "lodash": "^4.17.10",
     "namor": "^1.0.1",
     "papaparse": "^4.5.0",
     "react": "^16.4.1",
@@ -21,6 +22,7 @@
   },
   "devDependencies": {
     "@types/jest": "^23.1.1",
+    "@types/lodash": "^4.14.110",
     "@types/node": "^10.3.4",
     "@types/papaparse": "^4.5.0",
     "@types/react": "^16.4.1",

src/Chart.tsx

@@ -1,4 +1,6 @@
-import { LineChart, XAxis, Tooltip, CartesianGrid, Line } from 'recharts';
+import {
+  PieChart, Pie, ResponsiveContainer, Tooltip
+} from 'recharts';
 import * as React from 'react';
 
 
@@ -7,28 +9,14 @@ export class Chart extends React.Component<any, any> {
     super(props);
   }
   public render() {
-    const data = [
-      { name: 'Page A', uv: 4000, pv: 2400, amt: 2400 },
-      { name: 'Page B', uv: 3000, pv: 1398, amt: 2210 },
-      { name: 'Page C', uv: 2000, pv: 9800, amt: 2290 },
-      { name: 'Page D', uv: 2780, pv: 3908, amt: 2000 },
-      { name: 'Page E', uv: 1890, pv: 4800, amt: 2181 },
-      { name: 'Page F', uv: 2390, pv: 3800, amt: 2500 },
-      { name: 'Page G', uv: 3490, pv: 4300, amt: 2100 },
-    ];
+    const data = this.props.data;
     return (
-      <LineChart
-        width={400}
-        height={400}
-        data={data}
-        margin={{ top: 5, right: 20, left: 10, bottom: 5 }}
-      >
-        <XAxis dataKey="name" />
-        <Tooltip />
-        <CartesianGrid stroke="#f5f5f5" />
-        <Line type="monotone" dataKey="uv" stroke="#ff7300" yAxisId={0} />
-        <Line type="monotone" dataKey="pv" stroke="#387908" yAxisId={1} />
-      </LineChart>
+      <ResponsiveContainer width="100%" height={800}>
+        <PieChart>
+          <Pie data={data} dataKey="age" cx={500} cy={200} outerRadius={80} fill="#82ca9d" />
+          <Tooltip />
+        </PieChart>
+      </ResponsiveContainer>
     )
   }
 }

src/ServerAnalytics.tsx

@@ -3,9 +3,39 @@ import 'react-tabs/style/react-tabs.css';
 import { Tab, Tabs, TabList, TabPanel } from 'react-tabs';
 import { ServerTable } from './ServerTable';
 import { Chart } from './Chart';
+import * as Papa from 'papaparse';
 
-export default class ServerAnalytics extends React.Component {
+export default class ServerAnalytics extends React.Component<any, any> {
+  constructor(props: any) {
+    super(props);
+    this.state = {
+      filteredData: [],
+      headers: [],
+      data: []
+    }
+    const loaded = (results: any) => {
+      const localstate = this;
+      localstate.setState({
+        headers: results.meta.fields,
+        data: results.data
+      });
+    }
+    Papa.parse('/data.csv', {
+      header: true,
+      download: true,
+      skipEmptyLines: true,
+      dynamicTyping: true,
+      complete: loaded
+    });
+  }
   public render() {
+    const setData = (filteredData: any) => {
+      this.setState({
+        filteredData
+      });
+    };
+    const data = this.state.data;
+    const headers = this.state.headers;
     return (
       <div className="App">
         <Tabs>
@@ -16,10 +46,10 @@ export default class ServerAnalytics extends React.Component {
             <Tab>Charts</Tab>
           </TabList>
           <TabPanel>
-            <ServerTable csvPath='/data.csv'/>
+            <ServerTable {...{ setData, data, headers }} />
           </TabPanel>
           <TabPanel>
-            <Chart />
+            <Chart data={this.state.filteredData} />
           </TabPanel>
         </Tabs>
       </div>

src/ServerTable.tsx

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import { Tips } from "./Utils";
-import * as Papa from 'papaparse';
+import * as _ from 'lodash';
 const reactcsv = require('react-csv');
 const CSVLink = reactcsv.CSVLink;
 
@@ -9,60 +9,62 @@ import ReactTable from 'react-table';
 import "react-table/react-table.css";
 
 export class ServerTable extends React.Component<any, any> {
+  private lastFiltered: any[] = []
   constructor(props: any) {
     super(props);
-    this.state = {
-      headers: [],
-      data: []
-    };
-    const loaded = (results: any) => {
-      const localstate = this;
-      localstate.setState({
-        headers: results.meta.fields,
-        data: results.data
-      });
-    }
-    Papa.parse(this.props.csvPath, {
-      header: true,
-      download: true,
-      skipEmptyLines: true,
-      complete: loaded
-    });
   }
 
   public render() {
-    const { data, headers } = this.state;
+    const data = this.props.data;
+    const headers = this.props.headers;
     const filterPart = (filter: any, row: any) =>
-      row[filter.id].startsWith(filter.value) ||
-      row[filter.id].endsWith(filter.value)
+      String(row[filter.id]).startsWith(filter.value) ||
+      String(row[filter.id]).endsWith(filter.value)
     const headerGen = (headerName: string) => {
-      const title = headerName.replace(/([A-Z])/g, ' $1').replace(/^./, (str:string) => str.toUpperCase());
+      const title = headerName
+        .replace(/([A-Z])/g, ' $1')
+        .replace(/^./, (str: string) => str.toUpperCase());
       return {
         Header: title,
         accessor: headerName
       }
     }
+    debugger;
     const headerCols = headers.map(headerGen);
     return (
-      <div>
-        <ReactTable
-          data={data}
-          filterable={true}
-          defaultFilterMethod={filterPart}
-          columns={headerCols}
-          defaultPageSize={20}
-          className="-striped -highlight"
-          style={{
-            height: "450px"
-          }}
-        />
-        <br />
-        <CSVLink data={data} filename={"data.csv"}>Click here to download CSV file</CSVLink>
-        <Tips />
-      </div>
+      <ReactTable
+        data={data}
+        filterable={true}
+        defaultFilterMethod={filterPart}
+        columns={headerCols}
+        defaultPageSize={20}
+        className="-striped -highlight"
+        style={{
+          height: "450px"
+        }}
+      >
+        {(state, makeTable,) => {
+          this.lastFiltered = state.sortedData.map((o: any) => _.pick(o, headers));
+          return (
+            <div>
+              {makeTable()}
+              <CSVLink data={this.lastFiltered} filename={"data.csv"}>
+                Click here to download CSV file
+              </CSVLink>
+              <br />
+              <Tips />
+            </div>
+          )
+        }}
+      </ReactTable>
+
     );
   }
 
+  public componentWillUnmount() {
+    this.props.setData(this.lastFiltered);
+  }
+
   public loaded(results: any) {
     this.setState({
       headers: results.meta.fields,

yarn.lock

@@ -30,6 +30,10 @@
   version "23.1.1"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-23.1.1.tgz#c54ab1a5f41aa693c0957222dd10414416d0c87b"
 
+"@types/lodash@^4.14.110":
+  version "4.14.110"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.110.tgz#fb07498f84152947f30ea09d89207ca07123461e"
+
 "@types/node@*", "@types/node@^10.3.4":
   version "10.3.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.3.4.tgz#c74e8aec19e555df44609b8057311052a2c84d9e"