Added index.d.ts for tsx(typescript)

index.d.ts

@@ -0,0 +1,90 @@
+// Type definitions for ReactNativeChartKit 2.6
+// Project: https://github.com/indiespirit/react-native-chart-kit
+// TypeScript Version: 3.0
+
+import * as React from 'react'
+
+// LineChart
+export interface LineChartProps {
+  data: object
+  width: number
+  height: number
+  withDots?: boolean
+  withShadow?: boolean
+  withInnerLines?: boolean
+  withOuterLines?: boolean
+  fromZero?: boolean
+  yAxisLabel?: string
+  chartConfig: object
+  decorator?: Function
+  onDataPointClick?: Function
+  style?: object
+  bezier?: boolean
+}
+
+export class LineChart extends React.Component<LineChartProps> {}
+
+// ProgressChart
+export interface ProgressChartProps {
+  data: Array<number>
+  width: number
+  height: number
+  chartConfig: object
+}
+
+export class ProgressChart extends React.Component<ProgressChartProps> {}
+
+// BarChart
+export interface BarChartProps {
+  data: object
+  width: number
+  height: number
+  fromZero?: boolean
+  yAxisLabel: string
+  chartConfig: object
+  style?: object
+}
+
+export class BarChart extends React.Component<BarChartProps> {}
+
+// StackedBarChart
+export interface StackedBarChartProps {
+  data: object
+  width: number
+  height: number
+  chartConfig: object
+  style?: object
+}
+
+export class StackedBarChart extends React.Component<StackedBarChartProps> {}
+
+// PieChart
+export interface PieChartProps {
+  data: Array<any>
+  width: number
+  height: number
+  chartConfig: object
+  accessor: string
+  backgroundColor: string
+  paddingLeft: string
+  center?: Array<number>
+  absolute?: boolean
+}
+
+export class PieChart extends React.Component<PieChartProps> {}
+
+// ContributionGraph
+export interface ContributionGraphProps {
+  values: Array<any>
+  endDate: Date
+  numDays: number
+  width: number
+  height: number
+  chartConfig: object
+  accessor?: string
+}
+
+export class ContributionGraph extends React.Component<ContributionGraphProps> {}
+
+// AbstractChart
+export class AbstractChart extends React.Component {}