Add Typescript module definition

index.d.ts

@@ -0,0 +1,94 @@
+declare module "react-native-health" {
+  export interface HealthKitPermissions {
+    permissions: {
+      read: string[];
+      write: string[];
+    };
+  }
+  export interface MindfulSessionData {
+    startDate?: Date;
+    endDate?: Date;
+    limit?: number;
+  }
+
+  export interface AppleHealthKit {
+    initHealthKit(
+      permissions: HealthKitPermissions,
+      callback: (error: string, result: Object) => void
+    ): void;
+
+    saveFood(
+      options: Object,
+      callback: (error: string, result: Object) => void
+    ): void;
+
+    isAvailable(callback: (error: Object, results: boolean) => void): void;
+
+    getDateOfBirth(
+      options: any,
+      callback: (error: Object, results: HealthDateOfBirth) => void
+    ): void;
+
+    getLatestHeight(
+      options: HealthUnitOptions,
+      callback: (err: string, results: HealthValue) => void
+    ): void;
+
+    getLatestWeight(
+      options: HealthUnitOptions,
+      callback: (err: string, results: HealthValue) => void
+    ): void;
+
+    getMindfulSession(
+      options: MindfulSessionData,
+      callback: (err: string, results: HealthValue) => void
+    ): void;
+
+    getStepCount(
+      options: any,
+      callback: (err: string, results: HealthValue) => void
+    ): void;
+  }
+
+  export interface HealthDateOfBirth {
+    value: string;
+    age: number;
+  }
+
+  export interface HealthValue {
+    value: number;
+    startDate: string;
+    endDate: string;
+  }
+
+  export interface HealthUnitOptions {
+    unit: HealthUnit;
+  }
+
+  export enum HealthUnit {
+    bpm = "bpm",
+    calorie = "calorie",
+    celsius = "celsius",
+    count = "count",
+    day = "day",
+    fahrenheit = "fahrenheit",
+    foot = "foot",
+    gram = "gram",
+    hour = "hour",
+    inch = "inch",
+    joule = "joule",
+    meter = "meter",
+    mgPerdL = "mgPerdL",
+    mile = "mile",
+    minute = "minute",
+    mmhg = "mmhg",
+    mmolPerL = "mmolPerL",
+    percent = "percent",
+    pound = "pound",
+    second = "second"
+  }
+
+  const appleHealthKit: AppleHealthKit;
+
+  export default appleHealthKit;
+}