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    <title>DEV Community: javaid254</title>
    <description>The latest articles on DEV Community by javaid254 (@javaid254).</description>
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      <title>DEV Community: javaid254</title>
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    <item>
      <title>React line chart zooming to child data</title>
      <dc:creator>javaid254</dc:creator>
      <pubDate>Mon, 16 Mar 2020 20:52:40 +0000</pubDate>
      <link>https://dev.to/javaid254/react-line-chart-zooming-to-child-data-4bo4</link>
      <guid>https://dev.to/javaid254/react-line-chart-zooming-to-child-data-4bo4</guid>
      <description>&lt;p&gt;In a react chart line, I want to select and drag chart area and when there is child records(3 level in the sample data below), chart should zoom. &lt;br&gt;
Any idea, help is appreciated -- I am beginner in React.&lt;/p&gt;

&lt;p&gt;when chart is loaded, days (Mar 01, Mar 02...) will be drawn, zooming will open hour/minute for Mar 02 as this day has child data&lt;/p&gt;

&lt;p&gt;data = [&lt;br&gt;&lt;br&gt;
        {name: 'Mar 01', &lt;br&gt;
        sale: 30,&lt;br&gt;
        },&lt;br&gt;
        {name: 'Mar 02',&lt;br&gt;
        sale: 48,&lt;br&gt;
            childData: [&lt;br&gt;
            {name: '01:00', -- first hour&lt;br&gt;
            sale: 9,&lt;br&gt;
                childData: [&lt;br&gt;
                {name: '01:01', -- first minute&lt;br&gt;
                sale: 5&lt;br&gt;
                },&lt;br&gt;
                {name: '01:02', -- second minute&lt;br&gt;
                sale: 1,&lt;br&gt;
                },&lt;br&gt;
                {name: '01:03', -- third minute&lt;br&gt;
                sale: 2&lt;br&gt;
                },&lt;br&gt;
                {name: '01:04', -- fourth minute&lt;br&gt;
                sale: 0,&lt;br&gt;
                },&lt;br&gt;
                {name: '01:05', -- fifth minute&lt;br&gt;
                sale: 1&lt;br&gt;
                }, &lt;br&gt;
                ],&lt;br&gt;
            name: '02:00', -- second hour&lt;br&gt;
            sale: 10,&lt;br&gt;
            },&lt;br&gt;
            {name: '03:00', -- third hour&lt;br&gt;
            sale: 6,&lt;br&gt;
            },&lt;br&gt;&lt;br&gt;
            {name: '04:00', -- forth hour&lt;br&gt;
            sale: 8,&lt;br&gt;
            },&lt;br&gt;&lt;br&gt;
            {name: '05:00', -- fifth hour&lt;br&gt;
            sale: 15,&lt;br&gt;
            },&lt;br&gt;&lt;br&gt;
            ],&lt;br&gt;
        },&lt;br&gt;
        {name: 'Mar 03', &lt;br&gt;
        sale: 50,&lt;br&gt;
        },&lt;br&gt;
        {name: 'Mar 04',&lt;br&gt;
        sale: 70,&lt;br&gt;
        },&lt;br&gt;
        ];&lt;/p&gt;

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