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path: root/frontend/app/components/charts/areaSmoothedChart.js
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import React from 'react';
import {
  View,
  Dimensions,
} from 'react-native';
import {
  RkComponent,
  RkText,
  RkTheme,
} from 'react-native-ui-kitten';
import {
  VictoryChart,
  VictoryAxis,
  VictoryArea,
} from 'victory-native';

export class AreaSmoothedChart extends RkComponent {
  state = {
    data: [
      [
        { x: 1, y: 1.0, key: 0 },
        { x: 2, y: 1.5, key: 1 },
        { x: 3, y: 1.0, key: 2 },
        { x: 4, y: 0.5, key: 3 },
        { x: 5, y: 1.0, key: 4 },
        { x: 6, y: 2.0, key: 5 },
        { x: 7, y: 2.5, key: 6 },
      ],
      [
        { x: 1, y: 1.5, key: 0 },
        { x: 2, y: 2.0, key: 1 },
        { x: 3, y: 1.5, key: 2 },
        { x: 4, y: 0.8, key: 3 },
        { x: 5, y: 1.5, key: 4 },
        { x: 6, y: 2.6, key: 5 },
        { x: 7, y: 3.3, key: 6 },
      ],
      [
        { x: 1, y: 2.0, key: 0 },
        { x: 2, y: 2.5, key: 1 },
        { x: 3, y: 2.0, key: 2 },
        { x: 4, y: 1.1, key: 3 },
        { x: 5, y: 2.0, key: 4 },
        { x: 6, y: 3.2, key: 5 },
        { x: 7, y: 4.0, key: 6 },
      ],
      [
        { x: 1, y: 2.5, key: 0 },
        { x: 2, y: 3.0, key: 1 },
        { x: 3, y: 2.5, key: 2 },
        { x: 4, y: 1.4, key: 3 },
        { x: 5, y: 2.5, key: 4 },
        { x: 6, y: 3.7, key: 5 },
        { x: 7, y: 4.7, key: 6 },
      ],
    ],
  };
  colors = RkTheme.current.colors.charts.followersArea;

  componentWillMount() {
    this.size = Dimensions.get('window').width;
  }

  renderChartAreas = () => this.state.data.reverse().map((area, index) => (
    <VictoryArea
      key={`${area.length * index}`}
      interpolation="natural"
      style={{
          data: {
            fill: this.colors[index],
            stroke: this.colors[index],
          },
        }}
      data={area}
    />
  ));

  render = () => (
    <View>
      <RkText rkType='header4'>NEW FOLLOWERS</RkText>
      <VictoryChart
        padding={{
          top: 20, left: 40, right: 15, bottom: 40,
        }}
        width={this.size - 60}>
        <VictoryAxis
          tickValues={['Sun', 'Mon', 'Tue', ' Wed', 'Thu', 'Fri', 'Sat']}
          style={{
              axis: { stroke: 'transparent' },
              tickLabels: {
                fontSize: 14,
                stroke: RkTheme.current.colors.text.secondary,
                fill: RkTheme.current.colors.text.secondary,
                fontFamily: RkTheme.current.fonts.family.regular,
                strokeWidth: 0.5,
              },
            }}
        />
        <VictoryAxis
          dependentAxis
          tickValues={['10k', '20k', '30k', '40k']}
          style={{
              axis: { stroke: 'transparent' },
              grid: { stroke: RkTheme.current.colors.disabled, strokeWidth: 0.5 },
              tickLabels: {
                fontSize: 14,
                stroke: RkTheme.current.colors.text.secondary,
                fill: RkTheme.current.colors.text.secondary,
                fontFamily: RkTheme.current.fonts.family.regular,
                strokeWidth: 0.5,
              },
            }}
        />
        {this.renderChartAreas()}
      </VictoryChart>
    </View>
  )
}