diff --git a/package.json b/package.json
index 1c59a78..93df7c4 100644
--- a/package.json
+++ b/package.json
@@ -16,8 +16,13 @@
   "license": "MIT",
   "homepage": "https://pannellum.org/",
   "main": "build/pannellum.js",
+  "types": "types/index.d.ts",
   "keywords": [
     "panorama",
     "viewer"
-  ]
+  ],
+  "scripts": {
+    "build": "python3 ./utils/build/build.py || python ./utils/build/build.py",
+    "test": "python3 ./tests/run_test.py || python ./tests/run_test.py"
+  }
 }
diff --git a/types/index.d.ts b/types/index.d.ts
new file mode 100644
index 0000000..f173c6d
--- /dev/null
+++ b/types/index.d.ts
@@ -0,0 +1,820 @@
+export function viewer(container: HTMLElement | string, 
+    config?: GeneralOptions | 
+        EquirectangularConfigureOptions | 
+        MultiresConfigureOptions | 
+    TourOptions
+): Viewer;
+
+interface Viewer {
+    new (container: HTMLElement|string, initialConfig:Object): Viewer;
+    
+    /**
+     * Checks whether or not a panorama is loaded.
+     * @memberof Viewer
+     * @instance
+     * @returns {boolean} `true` if a panorama is loaded, else `false`
+     */
+    isLoaded(): boolean;
+
+    /**
+     * Returns the pitch of the center of the view.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} Pitch in degrees
+     */
+    getPitch(): number;
+
+    /**
+     * Sets the pitch of the center of the view.
+     * @memberof Viewer
+     * @instance
+     * @param {number} pitch - Pitch in degrees
+     * @param {boolean|number} [animated=1000] - Animation duration in milliseconds or false for no animation
+     * @param {function} [callback] - Function to call when animation finishes
+     * @param {object} [callbackArgs] - Arguments to pass to callback function
+     * @returns {Viewer} `this`
+     */
+    setPitch(pitch: number, animated?: boolean|number, callback?: {(...args: any[]):any}, callbackArgs?: object): Viewer;
+
+    /**
+     * Returns the minimum and maximum allowed pitches (in degrees).
+     * @memberof Viewer
+     * @instance
+     * @returns {number[]} [minimum pitch, maximum pitch]
+     */
+    getPitchBounds(): number[];
+
+    /**
+     * Set the minimum and maximum allowed pitches (in degrees).
+     * @memberof Viewer
+     * @instance
+     * @param {number[]} bounds - [minimum pitch, maximum pitch]
+     * @returns {Viewer} `this`
+     */
+    setPitchBounds(bounds: number[]): Viewer;
+
+    /**
+     * Returns the yaw of the center of the view.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} Yaw in degrees
+     */
+    getYaw(): number;
+
+    /**
+     * Sets the yaw of the center of the view.
+     * @memberof Viewer
+     * @instance
+     * @param {number} yaw - Yaw in degrees [-180, 180]
+     * @param {boolean|number} [animated=1000] - Animation duration in milliseconds or false for no animation
+     * @param {function} [callback] - Function to call when animation finishes
+     * @param {object} [callbackArgs] - Arguments to pass to callback function
+     * @returns {Viewer} `this`
+     */
+    setYaw(yaw: number, animated?: boolean|number, callback?: {(...args: any[]):any}, callbackArgs?: object): Viewer;
+
+    /**
+     * Returns the minimum and maximum allowed pitches (in degrees).
+     * @memberof Viewer
+     * @instance
+     * @returns {number[]} [yaw pitch, maximum yaw]
+     */
+    getYawBounds(): number[];
+
+    /**
+     * Set the minimum and maximum allowed yaws (in degrees [-360, 360]).
+     * @memberof Viewer
+     * @instance
+     * @param {number[]} bounds - [minimum yaw, maximum yaw]
+     * @returns {Viewer} `this`
+     */
+    setYawBounds(bounds: number[]): Viewer;
+
+    /**
+     * Returns the horizontal field of view.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} Horizontal field of view in degrees
+     */
+    getHfov(): number;
+
+    /**
+     * Sets the horizontal field of view.
+     * @memberof Viewer
+     * @instance
+     * @param {number} hfov - Horizontal field of view in degrees
+     * @param {boolean|number} [animated=1000] - Animation duration in milliseconds or false for no animation
+     * @param {function} [callback] - Function to call when animation finishes
+     * @param {object} [callbackArgs] - Arguments to pass to callback function
+     * @returns {Viewer} `this`
+     */
+    setHfov(hfov: number, animated?:boolean|number, callback?:{(...args:any): any}, callbackArgs?: object ): Viewer;
+
+    /**
+     * Returns the minimum and maximum allowed horizontal fields of view
+     * (in degrees).
+     * @memberof Viewer
+     * @instance
+     * @returns {number[]} [minimum HFOV, maximum HFOV]
+     */
+    getHfovBounds(): number[];
+
+    /**
+     * Set the minimum and maximum allowed horizontal fields of view (in degrees).
+     * @memberof Viewer
+     * @instance
+     * @param {number[]} bounds - [minimum HFOV, maximum HFOV]
+     * @returns {Viewer} `this`
+     */
+    setHfovBounds(bounds: number[]): Viewer;
+
+    /**
+     * Set a new view. Any parameters not specified remain the same.
+     * @memberof Viewer
+     * @instance
+     * @param {number} [pitch] - Target pitch
+     * @param {number} [yaw] - Target yaw
+     * @param {number} [hfov] - Target HFOV
+     * @param {boolean|number} [animated=1000] - Animation duration in milliseconds or false for no animation
+     * @param {function} [callback] - Function to call when animation finishes
+     * @param {object} [callbackArgs] - Arguments to pass to callback function
+     * @returns {Viewer} `this`
+     */
+    lookAt(pitch?: number, yaw?:number, hfov?:number, animated?: boolean|number, callback?: {(...args:any):any}, callbackArgs?: object ): Viewer;
+
+    /**
+     * Returns the panorama's north offset.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} North offset in degrees
+     */
+    getNorthOffset(): number;
+
+    /**
+     * Sets the panorama's north offset.
+     * @memberof Viewer
+     * @instance
+     * @param {number} heading - North offset in degrees
+     * @returns {Viewer} `this`
+     */
+    setNorthOffset(heading: number): Viewer;
+
+    /**
+     * Returns the panorama's horizon roll.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} Horizon roll in degrees
+     */
+    getHorizonRoll(): number;
+
+    /**
+     * Sets the panorama's horizon roll.
+     * @memberof Viewer
+     * @instance
+     * @param {number} roll - Horizon roll in degrees [-90, 90]
+     * @returns {Viewer} `this`
+     */
+    setHorizonRoll(roll: number): Viewer;
+
+    /**
+     * Returns the panorama's horizon pitch.
+     * @memberof Viewer
+     * @instance
+     * @returns {number} Horizon pitch in degrees
+     */
+    getHorizonPitch(): number;
+
+    /**
+     * Sets the panorama's horizon pitch.
+     * @memberof Viewer
+     * @instance
+     * @param {number} pitch - Horizon pitch in degrees [-90, 90]
+     * @returns {Viewer} `this`
+     */
+    setHorizonPitch(pitch: number): Viewer;
+
+    /**
+     * Start auto rotation.
+     *
+     * Before starting rotation, the viewer is panned to `pitch`.
+     * @memberof Viewer
+     * @instance
+     * @param {number} [speed] - Auto rotation speed / direction. If not specified, previous value is used.
+     * @param {number} [pitch] - The pitch to rotate at. If not specified, initial pitch is used.
+     * @param {number} [hfov] - The HFOV to rotate at. If not specified, initial HFOV is used.
+     * @param {number} [inactivityDelay] - The delay, in milliseconds, after which
+     *      to automatically restart auto rotation if it is interupted by the user.
+     *      If not specified, auto rotation will not automatically restart after it
+     *      is stopped.
+     * @returns {Viewer} `this`
+     */
+    startAutoRotate(speed?: number, pitch?: number, hfov?: number, inactivityDelay?: number): Viewer;
+
+    /**
+     * Stop auto rotation.
+     * @memberof Viewer
+     * @instance
+     * @returns {Viewer} `this`
+     */
+    stopAutoRotate(): Viewer;
+
+    /**
+     * Stops all movement.
+     * @memberof Viewer
+     * @instance
+     */
+    stopMovement(): Viewer;
+
+    /**
+     * Returns the panorama renderer.
+     * @memberof Viewer
+     * @instance
+     * @returns {Renderer}
+     */
+    getRenderer(): Renderer;
+
+    /**
+     * Sets update flag for dynamic content.
+     * @memberof Viewer
+     * @instance
+     * @param {boolean} bool - Whether or not viewer should update even when still
+     * @returns {Viewer} `this`
+     */
+    setUpdate(bool: boolean): Viewer;
+
+    /**
+     * Calculate panorama pitch and yaw from location of mouse event.
+     * @memberof Viewer
+     * @instance
+     * @param {MouseEvent} event - Document mouse down event.
+     * @returns {number[]} [pitch, yaw]
+     */
+    mouseEventToCoords(event: MouseEvent): number[];
+
+    /**
+     * Change scene being viewed.
+     * @memberof Viewer
+     * @instance
+     * @param {string} sceneId - Identifier of scene to switch to.
+     * @param {number} [pitch] - Pitch to use with new scene
+     * @param {number} [yaw] - Yaw to use with new scene
+     * @param {number} [hfov] - HFOV to use with new scene
+     * @returns {Viewer} `this`
+     */
+    loadScene(sceneId: string, pitch?: number, yaw?: number, hfov?: number): Viewer;
+
+    /**
+     * Get ID of current scene.
+     * @memberof Viewer
+     * @instance
+     * @returns {string} ID of current scene
+     */
+    getScene(): string;
+
+    /**
+     * Add a new scene.
+     * @memberof Viewer
+     * @instance
+     * @param {string} sceneId - The ID of the new scene
+     * @param {Object} config - The configuration of the new scene
+     * @returns {Viewer} `this`
+     */
+    addScene(sceneId: string, config: Object): Viewer;
+
+    /**
+     * Remove a scene.
+     * @memberof Viewer
+     * @instance
+     * @param {string} sceneId - The ID of the scene
+     * @returns {boolean} False if the scene is the current scene or if the scene doesn't exists, else true
+     */
+    removeScene(sceneId: string): boolean;
+
+    /**
+     * Toggle fullscreen.
+     * @memberof Viewer
+     * @instance
+     * @returns {Viewer} `this`
+     */
+    toggleFullscreen(): Viewer;
+
+    /**
+     * Get configuration of current scene.
+     * @memberof Viewer
+     * @instance
+     * @returns {Object} Configuration of current scene
+     */
+    getConfig(): Object;
+
+    /**
+     * Get viewer's container element.
+     * @memberof Viewer
+     * @instance
+     * @returns {HTMLElement} Container `div` element
+     */
+    getContainer(): HTMLElement;
+
+    /**
+     * Add a new hot spot.
+     * @memberof Viewer
+     * @instance
+     * @param {Object} hs - The configuration for the hot spot
+     * @param {string} [sceneId] - Adds hot spot to specified scene if provided, else to current scene
+     * @returns {Viewer} `this`
+     * @throws Throws an error if the scene ID is provided but invalid
+     */
+    addHotSpot(hs: Object, sceneId?: string): Viewer;
+
+    /**
+     * Remove a hot spot.
+     * @memberof Viewer
+     * @instance
+     * @param {string} hotSpotId - The ID of the hot spot
+     * @param {string} [sceneId] - Removes hot spot from specified scene if provided, else from current scene
+     * @returns {boolean} True if deletion is successful, else false
+     */
+    removeHotSpot(hotSpotId: string, sceneId?: string): boolean;
+
+    /**
+     * This method should be called if the viewer's container is resized.
+     * @memberof Viewer
+     * @instance
+     */
+    resize(): void;
+
+    /**
+     * Check if device orientation control is supported.
+     * @memberof Viewer
+     * @instance
+     * @returns {boolean} True if supported, else false
+     */
+    isOrientationSupported(): boolean;
+
+    /**
+     * Stop using device orientation.
+     * @memberof Viewer
+     * @instance
+     */
+    stopOrientation(): void;
+
+    /**
+     * Start using device orientation (does nothing if not supported).
+     * @memberof Viewer
+     * @instance
+     */
+    startOrientation(): void;
+
+    /**
+     * Check if device orientation control is currently activated.
+     * @memberof Viewer
+     * @instance
+     * @returns {boolean} True if active, else false
+     */
+    isOrientationActive(): boolean;
+
+    /**
+     * Subscribe listener to specified event.
+     * @memberof Viewer
+     * @instance
+     * @param {string} type - Type of event to subscribe to.
+     * @param {Function} listener - Listener function to subscribe to event.
+     * @returns {Viewer} `this`
+     */
+    on(type: string, listener: {(...args:any[]): any}): Viewer;
+
+    /**
+     * Remove an event listener (or listeners).
+     * @memberof Viewer
+     * @param {string} [type] - Type of event to remove listeners from. If not specified, all listeners are removed.
+     * @param {Function} [listener] - Listener function to remove. If not specified, all listeners of specified type are removed.
+     * @returns {Viewer} `this`
+     */
+    off(type?:string, listener?: {(...args:any[]):any}): Viewer;
+}
+
+interface Renderer {
+    // Opacity interface.
+}
+
+interface GeneralOptions {
+    /** This specifies the panorama type. Can be equirectangular, cubemap, 
+     *  or multires. Defaults to equirectangular. 
+     **/
+    type?:string;
+
+    /** If set, the value is displayed as the panorama’s title. 
+     *  If no title is desired, don’t set this parameter.
+     **/
+    title?: string;
+
+    /** If set, the value is displayed as the panorama’s author. If no author
+     *  is desired, don’t set this parameter. 
+     **/
+    author?: string;
+
+    /** If set, the displayed author text is hyperlinked to this URL. If no 
+     *  author URL is desired, don’t set this parameter. The author parameter 
+     *  must also be set for this parameter to have an effect. 
+     **/
+    authorURL?: string;
+
+    /** Allows user-facing strings to be changed / translated. See 
+     *  defaultConfig.strings definition in pannellum.js for more details. 
+     **/
+    strings?: {[key:string]:string};
+
+    /** This specifies a base path to load the images from. */
+    basePath?: string;
+
+    /** When set to true, the panorama will automatically load. When false, 
+     *  the user needs to click on the load button to load the panorama. 
+     *  Defaults to false. */
+    autoLoad?: boolean;
+
+    /** Setting this parameter causes the panorama to automatically rotate when 
+     *  loaded. The value specifies the rotation speed in degrees per second. 
+     *  Positive is counter-clockwise, and negative is clockwise.
+     **/
+    autoRotate?: number;
+
+    /** Sets the delay, in milliseconds, to start automatically rotating the 
+     *  panorama after user activity ceases. This parameter only has an effect if
+     *  the autoRotate parameter is set. Before starting rotation, the viewer is 
+     *  panned to the initial pitch.
+    */
+    autoRotateInactivityDelay?: number;
+
+    /** Sets the delay, in milliseconds, to stop automatically rotating the 
+     *  panorama after it is loaded. This parameter only has an effect if the
+     *  autoRotate parameter is set. 
+     **/
+    autoRotateStopDelay?: number;
+
+    /** If set to true, device orientation control will be used when the 
+     *  panorama is loaded, if the device supports it. If false, device 
+     *  orientation control needs to be activated by pressing a button.
+     *  Defaults to false.
+     **/
+    orientationOnByDefault?: boolean;
+
+    /** If set to false, the zoom controls will not be displayed. Defaults 
+     *  to true. 
+     **/
+    showZoomCtrl?: boolean
+
+    /** If set to false, zooming with keyboard will be disabled. Defaults to
+     *  true. 
+     **/
+    keyboardZoom?: boolean
+
+    /**If set to false, zooming with mouse wheel will be disabled. Defaults to 
+     * true. Can also be set to fullscreenonly, in which case it is only enabled
+     * when the viewer is fullscreen.
+     **/
+    mouseZoom?: boolean|string;
+
+    /** If set to false, mouse and touch dragging is disabled. Defaults to true.
+     **/
+    draggable?: boolean;
+
+    /** Controls the “friction” that slows down the viewer motion after it is 
+     * dragged and released. Higher values mean the motion stops faster. 
+     * Should be set [0.0, 1.0]; defaults to 0.15.
+     **/
+    friction?: number;
+
+    /** If set to true, keyboard controls are disabled. Defaults to false. */
+    disableKeyboardCtrl?: boolean;
+
+    /** If set to false, the fullscreen control will not be displayed. Defaults 
+     *  to true. The fullscreen button will only be displayed if the browser
+     *  supports the fullscreen API. 
+     **/
+    showFullscreenCtrl?: boolean;
+
+    /** If set to false, no controls are displayed. Defaults to true. */
+    showControls?: boolean;
+
+    /** Adjusts panning speed from touch inputs. Defaults to 1. */
+    touchPanSpeedCoeffFactor?: number;
+
+    /** Sets the panorama’s starting yaw position in degrees. Defaults to 0. */
+    yaw?: number;
+
+    /** Sets the panorama’s starting pitch position in degrees. Defaults to 0. */
+    pitch?: number;
+
+    /** Sets the panorama’s starting horizontal field of view in degrees. 
+     *  Defaults to 100. 
+     **/
+    hfov?: number;
+
+    /** Sets the minimum yaw the viewer edge can be at, in degrees. Defaults to 
+     *  -180, i.e. no limit.
+     **/
+    minYaw?: number;
+    /** Sets the maximum yaw the viewer edge can be at, in degrees. Defaults to
+     *  180, i.e. no limit. 
+     **/
+    maxYaw?: number;
+
+    /** Sets the minimum pitch the viewer edge can be at, in degrees. Defaults to
+     *  undefined, so the viewer center can reach -90.
+     **/
+    minPitch?: number;
+
+    /** Sets the maximum pitch the viewer edge can be at, in degrees. Defaults to
+     *  undefined, so the viewer center can reach 90.
+     **/
+    maxPitch?: number;
+
+    /** Sets the minimum horizontal field of view, in degrees, that the viewer 
+     *  can be set to. Defaults to 50. Unless the multiResMinHfov 
+     *  parameter is set to true, the minHfov parameter is ignored for
+     *  multires panoramas. 
+     *
+    */
+    minHfov?: number;
+
+    /** Sets the maximum horizontal field of view, in degrees, that the viewer 
+     *  can be set to. Defaults to 120. Unless the multiResMinHfov parameter is
+     *  set to true, the minHfov parameter is ignored for multires panoramas.
+     **/
+    maxHfov?: number;
+
+    /** When set to false, the minHfov parameter is ignored for multires 
+     *  panoramas; an automatically calculated minimum horizontal field of view 
+     *  is used instead. Defaults to false.
+     **/
+    multiResMinHfov?: boolean;
+
+    /** If true, a compass is displayed. Normally defaults to false; defaults to
+     *  true if heading information is present in Photo Sphere XMP metadata.
+     **/
+    compass?: boolean;
+
+    /** Set the offset, in degrees, of the center of the panorama from North. As
+     *  this affects the compass, it only has an effect if compass is set to 
+     *  true.
+     **/
+    northOffset?: number;
+
+    /** Specifies a URL for a preview image to display before the panorama is 
+     * loaded. 
+     **/
+    preview?: string;
+
+    /** Specifies the title to be displayed while the load button is displayed.
+     */
+    previewTitle?: string;
+
+    /** Specifies the author to be displayed while the load button is displayed. 
+     */
+    previewAuthor?: string;
+
+    /** Specifies pitch of image horizon, in degrees (for correcting non-leveled
+     *  panoramas).
+    */
+    horizonPitch?: number;
+
+    /** Specifies roll of image horizon, in degrees (for correcting non-leveled
+     *  panoramas). 
+     **/
+    horizonRoll?: number;
+
+    /** This specifies a timing function to be used for animating movements such
+     *  as when the lookAt method is called. The default timing function is 
+     *  easeInOutQuad. If a custom function is specified, it should take a 
+     *  number [0, 1] as its only argument and return a number [0, 1]. 
+     **/
+    animationTimingFunction?: {(...args:any):any};
+
+    /** When true, HTML is escaped from configuration strings to help mitigate
+     *  possible DOM XSS attacks. This is always true when using the standalone
+     *  viewer since the configuration is provided via the URL; it defaults to
+     *  false but can be set to true when using the API.
+     **/
+    escapeHTML?: boolean;
+
+    /** This specifies the type of CORS request used and can be set to either 
+     *  anonymous or use-credentials. Defaults to anonymous. 
+     **/
+    crossOrigin?: string;
+
+    /** This specifies a dictionary of hot spots that can be links to other 
+     *  scenes, information, or external links.
+     **/
+    hotSpots?: HotspotOptions;
+
+    /** When true, the mouse pointer’s pitch and yaw are logged to the console
+     *  when the mouse button is clicked. Defaults to false.
+     **/
+    hotSpotDebug?: boolean;
+
+    /** Specifies the fade duration, in milliseconds, when transitioning between
+     *  scenes. Not defined by default. Only applicable for tours. Only works
+     *  with WebGL renderer. 
+     **/
+    sceneFadeDuration?: number;
+
+    /** Specifies the key numbers that are captured in key events. Defaults to
+     *  the standard keys that are used by the viewer. 
+     **/
+    captureKeyNumbers?: any[];
+
+    /** Specifies an array containing RGB values [0, 1] that sets the background
+     *  color for areas where no image data is available. Defaults to [0, 0, 0]
+     *  (black). For partial equirectangular panoramas this applies to areas 
+     *  past the edges of the defined rectangle. For multires and cubemap 
+     *  (including fallback) panoramas this applies to areas corresponding to 
+     *  missing tiles or faces. 
+     **/
+    backgroundColor?: [number, number, number];
+
+    /** If set to true, prevent displaying out-of-range areas of a partial 
+     * panorama by constraining the yaw and the field-of-view. Even at the 
+     * corners and edges of the canvas only areas actually belonging to the 
+     * image (i.e., within [minYaw, maxYaw] and [minPitch, maxPitch]) are shown,
+     * thus setting the backgroundColor option is not needed if this option is 
+     * set. Defaults to false. 
+     **/
+    avoidShowingBackground?: boolean;
+}
+
+interface HotspotOptions extends GeneralOptions { 
+        /** Specifies the pitch portion of the hot spot’s location, in degrees. */
+        pitch?: number;
+
+        /** Specifies the yaw portion of the hot spot’s location, in degrees. */
+        yaw?: number;
+
+        /** Specifies the type of the hot spot. Can be scene for scene links or
+         *  info for information hot spots. A tour configuration file is 
+         *  required for scene hot spots. 
+         **/
+        type?: string;
+
+        /** This specifies the text that is displayed when the user hovers over
+         *  the hot spot. 
+         **/
+        text?: string;
+
+        /** If specified for an info hot spot, the hot spot links to the 
+         *  specified URL. Not applicable for scene hot spots. 
+         **/
+        URL?: string;
+
+        /** Specifies URL’s link attributes. If not set, the target attribute 
+         *  is set to _blank, to open link in new tab to avoid opening in viewer
+         *  frame / page. 
+         **/
+        attributes?: {[key:string]: any};
+
+        /** Specifies the ID of the scene to link to for scene hot spots. 
+         * Not applicable for info hot spots. 
+         **/
+        sceneId?: string;
+
+        /** Specifies the pitch of the target scene, in degrees. Can also be set
+         *  to same, which uses the current pitch of the current scene as the 
+         * initial pitch of the target scene.
+         **/
+        targetPitch?: number;
+
+        /** Specifies the yaw of the target scene, in degrees. Can also be set 
+         *  to same or sameAzimuth. These settings use the current yaw of the 
+         *  current scene as the initial yaw of the target scene; same uses the
+         *  current yaw directly, while sameAzimuth takes into account the 
+         *  northOffset values of both scenes to maintain the same direction 
+         *  with regard to north. 
+         **/
+        targetYaw?: number;
+
+        /** Specifies the HFOV of the target scene, in degrees. Can also be set
+         *  to same, which uses the current HFOV of the current scene as the 
+         *  initial HFOV of the target scene. */
+        targetHfov?: number;
+
+        /** Specifies hot spot ID, for use with API’s removeHotSpot function. */
+        id?: string;
+
+        /** If specified, string is used as the CSS class for the hot spot 
+         * instead of the default CSS classes. 
+         **/
+        cssClass?: string;
+
+        /**
+         * If createTooltipFunc is specified, this function is used to create 
+         * the hot spot tooltip DOM instead of the default function. The contents
+         * of createTooltipArgs are passed to the function as arguments.
+        */
+        createTooltipFunc?: {(...args:any[]):any};
+
+        /**
+         * If createTooltipFunc is specified, this function is used to create 
+         * the hot spot tooltip DOM instead of the default function. The contents
+         * of createTooltipArgs are passed to the function as arguments.
+        */
+        createTooltipArgs?: {[key:string]: any};
+
+        /** If clickHandlerFunc is specified, this function is added as an event
+         *  handler for the hot spot’s click event. The event object and the
+         *  contents of clickHandlerArgs are passed to the function as arguments. 
+         **/
+        clickHandlerFunc?: {(...args:any[]):any};
+
+        /** If clickHandlerFunc is specified, this function is added as an event
+         *  handler for the hot spot’s click event. The event object and the
+         *  contents of clickHandlerArgs are passed to the function as arguments. 
+         **/
+        clickHandlerArgs?: {[key:string]: any};
+
+        /** When true, the hot spot is scaled to match changes in the field of
+         *  view, relative to the initial field of view. Note that this does not
+         *  account for changes in local image scale that occur due to 
+         *  distortions within the viewport. Defaults to false. 
+         **/
+        scale?: boolean;
+}
+
+interface EquirectangularConfigureOptions extends GeneralOptions {
+    /** Sets the URL to the equirectangular panorama image. This is relative to
+     *  basePath if it is set, else it is relative to the location of 
+     *  pannellum.htm. An absolute URL can also be used. 
+     **/
+    panorama: string;
+
+    /** Sets the panorama’s horizontal angle of view, in degrees. Defaults to
+     *  360. This is used if the equirectangular image does not cover a full 360
+     *  degrees in the horizontal. 
+     **/
+    haov?: number;
+
+    /** Sets the panorama’s vertical angle of view, in degrees. Defaults to 180.
+     *  This is used if the equirectangular image does not cover a full 180 
+     *  degrees in the vertical. 
+     **/
+    vaov?: number;
+
+    /** Sets the vertical offset of the center of the equirectangular image from
+     *  the horizon, in degrees. Defaults to 0. This is used if vaov is less 
+     *  than 180 and the equirectangular image is not cropped symmetrically. 
+     **/
+    vOffset?: number;
+
+    /** If set to true, any embedded Photo Sphere XMP data will be ignored;
+     *  else, said data will override any existing settings. Defaults to false.
+     **/
+    ignoreGPanoXMP?: boolean;
+}
+
+interface MultiresConfigureOptions extends GeneralOptions { 
+    /** This is the base path of the URLs for the multiresolution tiles. It is
+     *  relative to the regular basePath option if it is defined, else it is
+     *  relative to the location of pannellum.htm. An absolute URL can also be
+     *  used. 
+     **/
+    basePath?: string;
+
+    /** This is a format string for the location of the multiresolution tiles,
+     *  relative to multiRes.basePath, which is relative to basePath. Format
+     *  parameters are %l for the zoom level, %s for the cube face, %x for the x
+     *  index, and %y for the y index. For each tile, .extension is appended.
+     **/
+    path: string;
+
+    /** This is a format string for the location of the fallback tiles for the
+     *  CSS 3D transform-based renderer if the WebGL renderer is not supported,
+     *  relative to multiRes.basePath, which is relative to basePath. The only
+     *  format parameter is %s, for the cube face. For each face, .extension is
+     *  appended. 
+     **/
+    fallbackPath?: string;
+
+    /** Specifies the tiles’ file extension. Do not include the .. */
+    extension?: string;
+
+    /** This specifies the size in pixels of each image tile. */
+    tileResoultion?: number;
+
+    /** This specifies the maximum zoom level. */
+    maxLevel?: number;
+
+    /** This specifies the size in pixels of the full resolution cube faces the
+     *  image tiles were created from. 
+     **/
+    cubeResolution?: number;
+}
+
+interface TourOptions extends GeneralOptions{
+    default: TourDefaultOptions;
+
+    /** The scenes property contains a dictionary of scenes, specified by scene
+     * IDs.  
+     **/
+    scenes: GeneralOptions[];
+}
+
+interface TourDefaultOptions extends GeneralOptions {
+    firstScene: string;
+}
\ No newline at end of file
diff --git a/types/pannellum-tests.ts b/types/pannellum-tests.ts
new file mode 100644
index 0000000..6638455
--- /dev/null
+++ b/types/pannellum-tests.ts
@@ -0,0 +1 @@
+import pannellum = require("../");
diff --git a/types/tsconfig.json b/types/tsconfig.json
new file mode 100644
index 0000000..10abd84
--- /dev/null
+++ b/types/tsconfig.json
@@ -0,0 +1,21 @@
+{
+    "compilerOptions": {
+        "moduleResolution": "node",
+        "module": "commonjs",
+        "lib": [
+            "es6",
+			"dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": false,
+        "strictNullChecks": false,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "./index.d.ts",
+        "pannellum-tests.ts"
+    ]
+}
\ No newline at end of file