Implement type definitions

package.json

@@ -51,6 +51,7 @@
     "test-ci": "npm run test && npm run coveralls",
     "coveralls": "npm run test-coverage && cat ./coverage/lcov.info | coveralls"
   },
+  "typings": "./src/ReactCursorPosition.d.ts",
   "devDependencies": {
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
@@ -83,6 +84,7 @@
     "react": "~0.14.9 || ^15.0.0 || ^16.0.0"
   },
   "dependencies": {
+    "@types/react": "^16.7.18",
     "object-assign": "^4.1.1",
     "object.omit": "^3.0.0",
     "prop-types": "^15.6.0"

src/ReactCursorPosition.d.ts

@@ -0,0 +1,56 @@
+import React, { ReactPropTypes } from 'react';
+
+interface DetectedEnvironment {
+  isMouseDetected: boolean;
+  isTouchDetected: boolean;
+}
+
+interface ElementDimensions {
+  width: number;
+  height: number;
+}
+
+interface Position {
+  x: number;
+  y: number;
+}
+
+interface CursorPositionGeneratedProps {
+  detectedEnvironment: DetectedEnvironment;
+  elementDimensions: ElementDimensions;
+  isActive: boolean;
+  isPositionOutside: boolean;
+  position: Position;
+}
+
+interface CursorPositionOptionsProps {
+  // TODO: Make these more specific
+  activationInteractionMouse?: string;
+  activationInteractionTouch?: string;
+  children: (CursorPositionOutputProps) => React.ReactElement<any> | null;
+  className?: string;
+  hoverDelayInMs?: number;
+  isEnabled?: boolean;
+  mapChildProps?: (CursorPositionGeneratedProps) => object;
+  onActivationChanged?: ({isActive: boolean}) => void;
+  onDetectedEnvironmentChanged?: (DetectedEnvironment) => void;
+  onPositionChanged?: (CursorPositionGeneratedProps) => void;
+  pressDurationInMs?: number;
+  pressMoveThreshold?: number;
+  shouldDecorateChildren?: boolean;
+  shouldStopTouchMovePropagation?: boolean;
+  style?: object;
+  tapDurationInMs?: number;
+  tapMoveThreshold?: number;
+}
+
+export interface CursorPositionOutputProps extends CursorPositionGeneratedProps {
+  [property:string]: any;
+}
+
+export interface CursorPositionInputProps extends CursorPositionOptionsProps {
+  [property:string]: any;
+}
+
+export declare class ReactCursorPosition extends React.Component<CursorPositionInputProps, any> {
+}