@wandelbots/nova-js/dist/lib/v1/index.cjs.map

Official JS client for the Wandelbots API

{"version":3,"sources":["../../../src/lib/v1/index.ts","../../../src/lib/v1/ConnectedMotionGroup.ts","../../../src/lib/converters.ts","../../../src/lib/v1/motionStateUpdate.ts","../../../src/lib/v1/getLatestTrajectories.ts","../../../node_modules/lodash-es/_listCacheClear.js","../../../node_modules/lodash-es/eq.js","../../../node_modules/lodash-es/_assocIndexOf.js","../../../node_modules/lodash-es/_listCacheDelete.js","../../../node_modules/lodash-es/_listCacheGet.js","../../../node_modules/lodash-es/_listCacheHas.js","../../../node_modules/lodash-es/_listCacheSet.js","../../../node_modules/lodash-es/_ListCache.js","../../../node_modules/lodash-es/_stackClear.js","../../../node_modules/lodash-es/_stackDelete.js","../../../node_modules/lodash-es/_stackGet.js","../../../node_modules/lodash-es/_stackHas.js","../../../node_modules/lodash-es/_freeGlobal.js","../../../node_modules/lodash-es/_root.js","../../../node_modules/lodash-es/_Symbol.js","../../../node_modules/lodash-es/_getRawTag.js","../../../node_modules/lodash-es/_objectToString.js","../../../node_modules/lodash-es/_baseGetTag.js","../../../node_modules/lodash-es/isObject.js","../../../node_modules/lodash-es/isFunction.js","../../../node_modules/lodash-es/_coreJsData.js","../../../node_modules/lodash-es/_isMasked.js","../../../node_modules/lodash-es/_toSource.js","../../../node_modules/lodash-es/_baseIsNative.js","../../../node_modules/lodash-es/_getValue.js","../../../node_modules/lodash-es/_getNative.js","../../../node_modules/lodash-es/_Map.js","../../../node_modules/lodash-es/_nativeCreate.js","../../../node_modules/lodash-es/_hashClear.js","../../../node_modules/lodash-es/_hashDelete.js","../../../node_modules/lodash-es/_hashGet.js","../../../node_modules/lodash-es/_hashHas.js","../../../node_modules/lodash-es/_hashSet.js","../../../node_modules/lodash-es/_Hash.js","../../../node_modules/lodash-es/_mapCacheClear.js","../../../node_modules/lodash-es/_isKeyable.js","../../../node_modules/lodash-es/_getMapData.js","../../../node_modules/lodash-es/_mapCacheDelete.js","../../../node_modules/lodash-es/_mapCacheGet.js","../../../node_modules/lodash-es/_mapCacheHas.js","../../../node_modules/lodash-es/_mapCacheSet.js","../../../node_modules/lodash-es/_MapCache.js","../../../node_modules/lodash-es/_stackSet.js","../../../node_modules/lodash-es/_Stack.js","../../../node_modules/lodash-es/_setCacheAdd.js","../../../node_modules/lodash-es/_setCacheHas.js","../../../node_modules/lodash-es/_SetCache.js","../../../node_modules/lodash-es/_arraySome.js","../../../node_modules/lodash-es/_cacheHas.js","../../../node_modules/lodash-es/_equalArrays.js","../../../node_modules/lodash-es/_Uint8Array.js","../../../node_modules/lodash-es/_mapToArray.js","../../../node_modules/lodash-es/_setToArray.js","../../../node_modules/lodash-es/_equalByTag.js","../../../node_modules/lodash-es/_arrayPush.js","../../../node_modules/lodash-es/isArray.js","../../../node_modules/lodash-es/_baseGetAllKeys.js","../../../node_modules/lodash-es/_arrayFilter.js","../../../node_modules/lodash-es/stubArray.js","../../../node_modules/lodash-es/_getSymbols.js","../../../node_modules/lodash-es/_baseTimes.js","../../../node_modules/lodash-es/isObjectLike.js","../../../node_modules/lodash-es/_baseIsArguments.js","../../../node_modules/lodash-es/isArguments.js","../../../node_modules/lodash-es/stubFalse.js","../../../node_modules/lodash-es/isBuffer.js","../../../node_modules/lodash-es/_isIndex.js","../../../node_modules/lodash-es/isLength.js","../../../node_modules/lodash-es/_baseIsTypedArray.js","../../../node_modules/lodash-es/_baseUnary.js","../../../node_modules/lodash-es/_nodeUtil.js","../../../node_modules/lodash-es/isTypedArray.js","../../../node_modules/lodash-es/_arrayLikeKeys.js","../../../node_modules/lodash-es/_isPrototype.js","../../../node_modules/lodash-es/_overArg.js","../../../node_modules/lodash-es/_nativeKeys.js","../../../node_modules/lodash-es/_baseKeys.js","../../../node_modules/lodash-es/isArrayLike.js","../../../node_modules/lodash-es/keys.js","../../../node_modules/lodash-es/_getAllKeys.js","../../../node_modules/lodash-es/_equalObjects.js","../../../node_modules/lodash-es/_DataView.js","../../../node_modules/lodash-es/_Promise.js","../../../node_modules/lodash-es/_Set.js","../../../node_modules/lodash-es/_WeakMap.js","../../../node_modules/lodash-es/_getTag.js","../../../node_modules/lodash-es/_baseIsEqualDeep.js","../../../node_modules/lodash-es/_baseIsEqual.js","../../../node_modules/lodash-es/isEqual.js","../../../src/lib/v1/JoggerConnection.ts","../../../src/lib/v1/MotionStreamConnection.ts","../../../src/lib/v1/NovaCellAPIClient.ts","../../../src/lib/v1/NovaClient.ts","../../../src/LoginWithAuth0.ts","../../../src/lib/AutoReconnectingWebsocket.ts","../../../src/lib/availableStorage.ts","../../../src/lib/v1/mock/MockNovaInstance.ts","../../../src/lib/v1/ProgramStateConnection.ts"],"sourcesContent":["export * from \"@wandelbots/nova-api/v1\"\nexport * from \"./ConnectedMotionGroup\"\nexport * from \"./getLatestTrajectories\"\nexport * from \"./JoggerConnection\"\nexport * from \"./MotionStreamConnection\"\nexport * from \"./NovaCellAPIClient\"\nexport * from \"./NovaClient\"\nexport * from \"./ProgramStateConnection\"\n","import type {\n  ControllerInstance,\n  MotionGroupPhysical,\n  MotionGroupSpecification,\n  MotionGroupStateResponse,\n  Mounting,\n  RobotControllerState,\n  RobotControllerStateOperationModeEnum,\n  RobotControllerStateSafetyStateEnum,\n  RobotTcp,\n  SafetySetup,\n} from \"@wandelbots/nova-api/v1\"\nimport { makeAutoObservable, runInAction } from \"mobx\"\nimport * as THREE from \"three\"\nimport type { AutoReconnectingWebsocket } from \"../AutoReconnectingWebsocket\"\nimport { tryParseJson } from \"../converters\"\nimport { jointValuesEqual, tcpPoseEqual } from \"./motionStateUpdate\"\nimport type { NovaClient } from \"./NovaClient\"\n\nconst MOTION_DELTA_THRESHOLD = 0.0001\n\nexport type MotionGroupOption = {\n  selectionId: string\n} & MotionGroupPhysical\n\n/**\n * Store representing the current state of a connected motion group.\n */\nexport class ConnectedMotionGroup {\n  static async connect(\n    nova: NovaClient,\n    motionGroupId: string,\n    controllers: ControllerInstance[],\n  ) {\n    const [_motionGroupIndex, controllerId] = motionGroupId.split(\"@\") as [\n      string,\n      string,\n    ]\n    const controller = controllers.find((c) => c.controller === controllerId)\n    const motionGroup = controller?.physical_motion_groups.find(\n      (mg) => mg.motion_group === motionGroupId,\n    )\n    if (!controller || !motionGroup) {\n      throw new Error(\n        `Controller ${controllerId} or motion group ${motionGroupId} not found`,\n      )\n    }\n\n    const motionStateSocket = nova.openReconnectingWebsocket(\n      `/motion-groups/${motionGroupId}/state-stream`,\n    )\n\n    // Wait for the first message to get the initial state\n    const firstMessage = await motionStateSocket.firstMessage()\n    const initialMotionState = tryParseJson(firstMessage.data)\n      ?.result as MotionGroupStateResponse\n\n    if (!initialMotionState) {\n      throw new Error(\n        `Unable to parse initial motion state message ${firstMessage.data}`,\n      )\n    }\n\n    console.log(\n      `Connected motion state websocket to motion group ${motionGroup.motion_group}. Initial state:\\n  `,\n      initialMotionState,\n    )\n\n    // Check if robot is virtual or physical\n    const config = await nova.api.controller.getRobotController(\n      controller.controller,\n    )\n    const isVirtual = config.configuration.kind === \"VirtualController\"\n\n    // If there's a configured mounting, we need it to show the right\n    // position of the robot model\n    const mounting = await (async () => {\n      try {\n        const mounting = await nova.api.motionGroupInfos.getMounting(\n          motionGroup.motion_group,\n        )\n        return mounting\n      } catch (err) {\n        console.error(\n          `Error fetching mounting for ${motionGroup.motion_group}`,\n          err,\n        )\n        return null\n      }\n    })()\n\n    // Open the websocket to monitor controller state for e.g. e-stop\n    const controllerStateSocket = nova.openReconnectingWebsocket(\n      `/controllers/${controller.controller}/state-stream?response_rate=1000`,\n    )\n\n    // Wait for the first message to get the initial state\n    const firstControllerMessage = await controllerStateSocket.firstMessage()\n    const initialControllerState = tryParseJson(firstControllerMessage.data)\n      ?.result as RobotControllerState\n\n    if (!initialControllerState) {\n      throw new Error(\n        `Unable to parse initial controller state message ${firstControllerMessage.data}`,\n      )\n    }\n\n    console.log(\n      `Connected controller state websocket to controller ${controller.controller}. Initial state:\\n  `,\n      initialControllerState,\n    )\n\n    // Find out what TCPs this motion group has (we need it for jogging)\n    const { tcps } = await nova.api.motionGroupInfos.listTcps(motionGroupId)\n\n    const motionGroupSpecification =\n      await nova.api.motionGroupInfos.getMotionGroupSpecification(motionGroupId)\n\n    const safetySetup =\n      await nova.api.motionGroupInfos.getSafetySetup(motionGroupId)\n\n    return new ConnectedMotionGroup(\n      nova,\n      controller,\n      motionGroup,\n      initialMotionState,\n      motionStateSocket,\n      isVirtual,\n      tcps!,\n      motionGroupSpecification,\n      safetySetup,\n      mounting,\n      initialControllerState,\n      controllerStateSocket,\n    )\n  }\n\n  connectedJoggingCartesianSocket: WebSocket | null = null\n  connectedJoggingJointsSocket: WebSocket | null = null\n  planData: any | null // tmp\n  joggingVelocity: number = 10\n\n  // Not mobx-observable as this changes very fast; should be observed\n  // using animation frames\n  rapidlyChangingMotionState: MotionGroupStateResponse\n\n  // Response rate on the websocket should be a bit slower on this one since\n  // we don't use the motion data\n  controllerState: RobotControllerState\n\n  /**\n   * Reflects activation state of the motion group / robot servos. The\n   * movement controls in the UI should only be enabled in the \"active\" state\n   */\n  activationState: \"inactive\" | \"activating\" | \"deactivating\" | \"active\" =\n    \"inactive\"\n\n  constructor(\n    readonly nova: NovaClient,\n    readonly controller: ControllerInstance,\n    readonly motionGroup: MotionGroupPhysical,\n    readonly initialMotionState: MotionGroupStateResponse,\n    readonly motionStateSocket: AutoReconnectingWebsocket,\n    readonly isVirtual: boolean,\n    readonly tcps: RobotTcp[],\n    readonly motionGroupSpecification: MotionGroupSpecification,\n    readonly safetySetup: SafetySetup,\n    readonly mounting: Mounting | null,\n    readonly initialControllerState: RobotControllerState,\n    readonly controllerStateSocket: AutoReconnectingWebsocket,\n  ) {\n    this.rapidlyChangingMotionState = initialMotionState\n    this.controllerState = initialControllerState\n\n    // Track controller state updates (e.g. safety state and operation mode)\n    controllerStateSocket.addEventListener(\"message\", (event) => {\n      const data = tryParseJson(event.data)?.result\n\n      if (!data) {\n        return\n      }\n\n      runInAction(() => {\n        this.controllerState = data\n      })\n    })\n\n    motionStateSocket.addEventListener(\"message\", (event) => {\n      const motionStateResponse = tryParseJson(event.data)?.result as\n        | MotionGroupStateResponse\n        | undefined\n\n      if (!motionStateResponse) {\n        throw new Error(\n          `Failed to get motion state for ${this.motionGroupId}: ${event.data}`,\n        )\n      }\n\n      // handle motionState message\n      if (\n        !jointValuesEqual(\n          this.rapidlyChangingMotionState.state.joint_position.joints,\n          motionStateResponse.state.joint_position.joints,\n          MOTION_DELTA_THRESHOLD,\n        )\n      ) {\n        runInAction(() => {\n          this.rapidlyChangingMotionState.state = motionStateResponse.state\n        })\n      }\n\n      // handle tcpPose message\n      if (\n        !tcpPoseEqual(\n          this.rapidlyChangingMotionState.tcp_pose,\n          motionStateResponse.tcp_pose,\n          MOTION_DELTA_THRESHOLD,\n        )\n      ) {\n        runInAction(() => {\n          this.rapidlyChangingMotionState.tcp_pose =\n            motionStateResponse.tcp_pose\n        })\n      }\n    })\n    makeAutoObservable(this)\n  }\n\n  get motionGroupId() {\n    return this.motionGroup.motion_group\n  }\n\n  get controllerId() {\n    return this.controller.controller\n  }\n\n  get modelFromController() {\n    return this.motionGroup.model_from_controller\n  }\n\n  get wandelscriptIdentifier() {\n    const num = this.motionGroupId.split(\"@\")[0]\n    return `${this.controllerId.replaceAll(\"-\", \"_\")}_${num}`\n  }\n\n  /** Jogging velocity in radians for rotation and joint movement */\n  get joggingVelocityRads() {\n    return (this.joggingVelocity * Math.PI) / 180\n  }\n\n  get joints() {\n    return this.initialMotionState.state.joint_position.joints.map((_, i) => {\n      return {\n        index: i,\n      }\n    })\n  }\n\n  get dhParameters() {\n    return this.motionGroupSpecification.dh_parameters\n  }\n\n  get safetyZones() {\n    return this.safetySetup.safety_zones\n  }\n\n  /** Gets the robot mounting position offset in 3D viz coordinates */\n  get mountingPosition(): [number, number, number] {\n    if (!this.mounting) {\n      return [0, 0, 0]\n    }\n\n    return [\n      this.mounting.pose.position.x / 1000,\n      this.mounting.pose.position.y / 1000,\n      this.mounting.pose.position.z / 1000,\n    ]\n  }\n\n  /** Gets the robot mounting position rotation in 3D viz coordinates */\n  get mountingQuaternion() {\n    const rotationVector = new THREE.Vector3(\n      this.mounting?.pose.orientation?.x || 0,\n      this.mounting?.pose.orientation?.y || 0,\n      this.mounting?.pose.orientation?.z || 0,\n    )\n\n    const magnitude = rotationVector.length()\n    const axis = rotationVector.normalize()\n\n    return new THREE.Quaternion().setFromAxisAngle(axis, magnitude)\n  }\n\n  /**\n   * Whether the controller is currently in a safety state\n   * corresponding to an emergency stop\n   */\n  get isEstopActive() {\n    const estopStates: RobotControllerStateSafetyStateEnum[] = [\n      \"SAFETY_STATE_ROBOT_EMERGENCY_STOP\",\n      \"SAFETY_STATE_DEVICE_EMERGENCY_STOP\",\n    ]\n\n    return estopStates.includes(this.controllerState.safety_state)\n  }\n\n  /**\n   * Whether the controller is in a safety state\n   * that may be non-functional for robot pad purposes\n   */\n  get isMoveableSafetyState() {\n    const goodSafetyStates: RobotControllerStateSafetyStateEnum[] = [\n      \"SAFETY_STATE_NORMAL\",\n      \"SAFETY_STATE_REDUCED\",\n    ]\n\n    return goodSafetyStates.includes(this.controllerState.safety_state)\n  }\n\n  /**\n   * Whether the controller is in an operation mode that allows movement\n   */\n  get isMoveableOperationMode() {\n    const goodOperationModes: RobotControllerStateOperationModeEnum[] = [\n      \"OPERATION_MODE_AUTO\",\n      \"OPERATION_MODE_MANUAL\",\n      \"OPERATION_MODE_MANUAL_T1\",\n      \"OPERATION_MODE_MANUAL_T2\",\n    ]\n\n    return goodOperationModes.includes(this.controllerState.operation_mode)\n  }\n\n  /**\n   * Whether the robot is currently active and can be moved, based on the\n   * safety state, operation mode and servo toggle activation state.\n   */\n  get canBeMoved() {\n    return (\n      this.isMoveableSafetyState &&\n      this.isMoveableOperationMode &&\n      this.activationState === \"active\"\n    )\n  }\n\n  async deactivate() {\n    if (this.activationState !== \"active\") {\n      console.error(\"Tried to deactivate while already deactivating\")\n      return\n    }\n\n    runInAction(() => {\n      this.activationState = \"deactivating\"\n    })\n\n    try {\n      await this.nova.api.controller.setDefaultMode(\n        this.controllerId,\n        \"MODE_MONITOR\",\n      )\n\n      runInAction(() => {\n        this.activationState = \"inactive\"\n      })\n    } catch (err) {\n      runInAction(() => {\n        this.activationState = \"active\"\n      })\n      throw err\n    }\n  }\n\n  async activate() {\n    if (this.activationState !== \"inactive\") {\n      console.error(\"Tried to activate while already activating\")\n      return\n    }\n\n    runInAction(() => {\n      this.activationState = \"activating\"\n    })\n\n    try {\n      await this.nova.api.controller.setDefaultMode(\n        this.controllerId,\n        \"MODE_CONTROL\",\n      )\n\n      runInAction(() => {\n        this.activationState = \"active\"\n      })\n    } catch (err) {\n      runInAction(() => {\n        this.activationState = \"inactive\"\n      })\n      throw err\n    }\n  }\n\n  toggleActivation() {\n    if (this.activationState === \"inactive\") {\n      this.activate()\n    } else if (this.activationState === \"active\") {\n      this.deactivate()\n    }\n  }\n\n  dispose() {\n    this.motionStateSocket.close()\n    if (this.connectedJoggingCartesianSocket)\n      this.connectedJoggingCartesianSocket.close()\n    if (this.connectedJoggingJointsSocket)\n      this.connectedJoggingJointsSocket.close()\n  }\n\n  setJoggingVelocity(velocity: number) {\n    this.joggingVelocity = velocity\n  }\n}\n","import type { Pose } from \"@wandelbots/nova-api/v1\"\n\n/** Try to parse something as JSON; return undefined if we can't */\nexport function tryParseJson(json: unknown): any {\n  try {\n    return JSON.parse(json as string)\n  } catch {\n    return undefined\n  }\n}\n\n/** Try to turn something into JSON; return undefined if we can't */\nexport function tryStringifyJson(json: unknown): string | undefined {\n  try {\n    return JSON.stringify(json)\n  } catch {\n    return undefined\n  }\n}\n\n/**\n * Converts object parameters to query string.\n * e.g. { a: \"1\", b: \"2\" } => \"?a=1&b=2\"\n *      {} => \"\"\n */\nexport function makeUrlQueryString(obj: Record<string, string>): string {\n  const str = new URLSearchParams(obj).toString()\n  return str ? `?${str}` : \"\"\n}\n\n/** Convert radians to degrees */\nexport function radiansToDegrees(radians: number): number {\n  return radians * (180 / Math.PI)\n}\n\n/** Convert degrees to radians */\nexport function degreesToRadians(degrees: number): number {\n  return degrees * (Math.PI / 180)\n}\n\n/**\n * Convert a Pose object representing a motion group position\n * into a string which represents that pose in Wandelscript.\n */\nexport function poseToWandelscriptString(\n  pose: Pick<Pose, \"position\" | \"orientation\">,\n) {\n  const position = [pose.position.x, pose.position.y, pose.position.z]\n  const orientation = [\n    pose.orientation?.x ?? 0,\n    pose.orientation?.y ?? 0,\n    pose.orientation?.z ?? 0,\n  ]\n\n  const positionValues = position.map((v) => v.toFixed(1))\n  // Rotation needs more precision since it's in radians\n  const rotationValues = orientation.map((v) => v.toFixed(4))\n\n  return `(${positionValues.concat(rotationValues).join(\", \")})`\n}\n\n/**\n * Check for coordinate system id equivalence, accounting for the \"world\" default\n * on empty/undefined values.\n */\nexport function isSameCoordinateSystem(\n  firstCoordSystem: string | undefined,\n  secondCoordSystem: string | undefined,\n) {\n  if (!firstCoordSystem) firstCoordSystem = \"world\"\n  if (!secondCoordSystem) secondCoordSystem = \"world\"\n\n  return firstCoordSystem === secondCoordSystem\n}\n","import type { TcpPose } from \"@wandelbots/nova-api/v1\"\n\nexport function jointValuesEqual(\n  oldJointValues: number[],\n  newJointValues: number[],\n  changeDeltaThreshold: number,\n): boolean {\n  if (newJointValues.length !== oldJointValues.length) {\n    return true\n  }\n\n  for (let jointIndex = 0; jointIndex < newJointValues.length; jointIndex++) {\n    if (\n      Math.abs(newJointValues[jointIndex]! - oldJointValues[jointIndex]!) >\n      changeDeltaThreshold\n    ) {\n      return false\n    }\n  }\n\n  return true\n}\n\nexport function tcpPoseEqual(\n  oldTcp: TcpPose | undefined,\n  newTcp: TcpPose | undefined,\n  changeDeltaThreshold: number,\n): boolean {\n  // undefined -> defined (+reverse) transition\n  if ((oldTcp === undefined && newTcp) || (oldTcp && newTcp === undefined)) {\n    return false\n  }\n\n  // the typechecker cannot resolve states to \"!= undefined\" if \"&&\" is used\n  if (oldTcp === undefined || newTcp === undefined) {\n    return true\n  }\n\n  let changedDelta = 0\n  changedDelta += Math.abs(oldTcp.orientation.x - newTcp.orientation.x)\n  changedDelta += Math.abs(oldTcp.orientation.y - newTcp.orientation.y)\n  changedDelta += Math.abs(oldTcp.orientation.z - newTcp.orientation.z)\n  changedDelta += Math.abs(oldTcp.position.x - newTcp.position.x)\n  changedDelta += Math.abs(oldTcp.position.y - newTcp.position.y)\n  changedDelta += Math.abs(oldTcp.position.z - newTcp.position.z)\n\n  if (changedDelta > changeDeltaThreshold) {\n    return false\n  }\n\n  return (\n    oldTcp.coordinate_system === newTcp.coordinate_system &&\n    oldTcp.tcp === newTcp.tcp\n  )\n}\n","import type { GetTrajectoryResponse } from \"@wandelbots/nova-api/v1\"\nimport type { NovaCellAPIClient } from \"./NovaCellAPIClient\"\n\nlet lastMotionIds: Set<string> = new Set()\n\nexport async function getLatestTrajectories(\n  apiClient: NovaCellAPIClient,\n  sampleTime: number = 50,\n  responsesCoordinateSystem?: string,\n): Promise<GetTrajectoryResponse[]> {\n  const newTrajectories: GetTrajectoryResponse[] = []\n\n  try {\n    const motions = await apiClient.motion.listMotions()\n    const currentMotionIds = new Set(motions.motions)\n\n    const newMotionIds = Array.from(currentMotionIds).filter(\n      (id) => !lastMotionIds.has(id),\n    )\n\n    for (const motionId of newMotionIds) {\n      const trajectory = await apiClient.motion.getMotionTrajectory(\n        motionId,\n        sampleTime,\n        responsesCoordinateSystem,\n      )\n      newTrajectories.push(trajectory)\n    }\n\n    lastMotionIds = currentMotionIds\n  } catch (error) {\n    console.error(\"Failed to get latest trajectories:\", error)\n  }\n\n  return newTrajectories\n}\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\nexport default listCacheClear;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\nexport default eq;\n","import eq from './eq.js';\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n  var length = array.length;\n  while (length--) {\n    if (eq(array[length][0], key)) {\n      return length;\n    }\n  }\n  return -1;\n}\n\nexport default assocIndexOf;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype;\n\n/** Built-in value references. */\nvar splice = arrayProto.splice;\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    return false;\n  }\n  var lastIndex = data.length - 1;\n  if (index == lastIndex) {\n    data.pop();\n  } else {\n    splice.call(data, index, 1);\n  }\n  --this.size;\n  return true;\n}\n\nexport default listCacheDelete;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  return index < 0 ? undefined : data[index][1];\n}\n\nexport default listCacheGet;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n  return assocIndexOf(this.__data__, key) > -1;\n}\n\nexport default listCacheHas;\n","import assocIndexOf from './_assocIndexOf.js';\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    ++this.size;\n    data.push([key, value]);\n  } else {\n    data[index][1] = value;\n  }\n  return this;\n}\n\nexport default listCacheSet;\n","import listCacheClear from './_listCacheClear.js';\nimport listCacheDelete from './_listCacheDelete.js';\nimport listCacheGet from './_listCacheGet.js';\nimport listCacheHas from './_listCacheHas.js';\nimport listCacheSet from './_listCacheSet.js';\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\nexport default ListCache;\n","import ListCache from './_ListCache.js';\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n  this.__data__ = new ListCache;\n  this.size = 0;\n}\n\nexport default stackClear;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\nexport default stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\nexport default stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\nexport default stackHas;\n","/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\nexport default freeGlobal;\n","import freeGlobal from './_freeGlobal.js';\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\nexport default root;\n","import root from './_root.js';\n\n/** Built-in value references. */\nvar Symbol = root.Symbol;\n\nexport default Symbol;\n","import Symbol from './_Symbol.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n  var isOwn = hasOwnProperty.call(value, symToStringTag),\n      tag = value[symToStringTag];\n\n  try {\n    value[symToStringTag] = undefined;\n    var unmasked = true;\n  } catch (e) {}\n\n  var result = nativeObjectToString.call(value);\n  if (unmasked) {\n    if (isOwn) {\n      value[symToStringTag] = tag;\n    } else {\n      delete value[symToStringTag];\n    }\n  }\n  return result;\n}\n\nexport default getRawTag;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\nexport default objectToString;\n","import Symbol from './_Symbol.js';\nimport getRawTag from './_getRawTag.js';\nimport objectToString from './_objectToString.js';\n\n/** `Object#toString` result references. */\nvar nullTag = '[object Null]',\n    undefinedTag = '[object Undefined]';\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n  if (value == null) {\n    return value === undefined ? undefinedTag : nullTag;\n  }\n  return (symToStringTag && symToStringTag in Object(value))\n    ? getRawTag(value)\n    : objectToString(value);\n}\n\nexport default baseGetTag;\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\nexport default isObject;\n","import baseGetTag from './_baseGetTag.js';\nimport isObject from './isObject.js';\n\n/** `Object#toString` result references. */\nvar asyncTag = '[object AsyncFunction]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    proxyTag = '[object Proxy]';\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n  if (!isObject(value)) {\n    return false;\n  }\n  // The use of `Object#toString` avoids issues with the `typeof` operator\n  // in Safari 9 which returns 'object' for typed arrays and other constructors.\n  var tag = baseGetTag(value);\n  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\nexport default isFunction;\n","import root from './_root.js';\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\nexport default coreJsData;\n","import coreJsData from './_coreJsData.js';\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n  return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n  return !!maskSrcKey && (maskSrcKey in func);\n}\n\nexport default isMasked;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\nexport default toSource;\n","import isFunction from './isFunction.js';\nimport isMasked from './_isMasked.js';\nimport isObject from './isObject.js';\nimport toSource from './_toSource.js';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n  .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n *  else `false`.\n */\nfunction baseIsNative(value) {\n  if (!isObject(value) || isMasked(value)) {\n    return false;\n  }\n  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n  return pattern.test(toSource(value));\n}\n\nexport default baseIsNative;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\nexport default getValue;\n","import baseIsNative from './_baseIsNative.js';\nimport getValue from './_getValue.js';\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n  var value = getValue(object, key);\n  return baseIsNative(value) ? value : undefined;\n}\n\nexport default getNative;\n","import getNative from './_getNative.js';\nimport root from './_root.js';\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map');\n\nexport default Map;\n","import getNative from './_getNative.js';\n\n/* Built-in method references that are verified to be native. */\nvar nativeCreate = getNative(Object, 'create');\n\nexport default nativeCreate;\n","import nativeCreate from './_nativeCreate.js';\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n  this.__data__ = nativeCreate ? nativeCreate(null) : {};\n  this.size = 0;\n}\n\nexport default hashClear;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default hashDelete;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n  var data = this.__data__;\n  if (nativeCreate) {\n    var result = data[key];\n    return result === HASH_UNDEFINED ? undefined : result;\n  }\n  return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\nexport default hashGet;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n  var data = this.__data__;\n  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\nexport default hashHas;\n","import nativeCreate from './_nativeCreate.js';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n  var data = this.__data__;\n  this.size += this.has(key) ? 0 : 1;\n  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n  return this;\n}\n\nexport default hashSet;\n","import hashClear from './_hashClear.js';\nimport hashDelete from './_hashDelete.js';\nimport hashGet from './_hashGet.js';\nimport hashHas from './_hashHas.js';\nimport hashSet from './_hashSet.js';\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\nexport default Hash;\n","import Hash from './_Hash.js';\nimport ListCache from './_ListCache.js';\nimport Map from './_Map.js';\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n  this.size = 0;\n  this.__data__ = {\n    'hash': new Hash,\n    'map': new (Map || ListCache),\n    'string': new Hash\n  };\n}\n\nexport default mapCacheClear;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\nexport default isKeyable;\n","import isKeyable from './_isKeyable.js';\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n  var data = map.__data__;\n  return isKeyable(key)\n    ? data[typeof key == 'string' ? 'string' : 'hash']\n    : data.map;\n}\n\nexport default getMapData;\n","import getMapData from './_getMapData.js';\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n  var result = getMapData(this, key)['delete'](key);\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\nexport default mapCacheDelete;\n","import getMapData from './_getMapData.js';\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n  return getMapData(this, key).get(key);\n}\n\nexport default mapCacheGet;\n","import getMapData from './_getMapData.js';\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n  return getMapData(this, key).has(key);\n}\n\nexport default mapCacheHas;\n","import getMapData from './_getMapData.js';\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n  var data = getMapData(this, key),\n      size = data.size;\n\n  data.set(key, value);\n  this.size += data.size == size ? 0 : 1;\n  return this;\n}\n\nexport default mapCacheSet;\n","import mapCacheClear from './_mapCacheClear.js';\nimport mapCacheDelete from './_mapCacheDelete.js';\nimport mapCacheGet from './_mapCacheGet.js';\nimport mapCacheHas from './_mapCacheHas.js';\nimport mapCacheSet from './_mapCacheSet.js';\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\nexport default MapCache;\n","import ListCache from './_ListCache.js';\nimport Map from './_Map.js';\nimport MapCache from './_MapCache.js';\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n  var data = this.__data__;\n  if (data instanceof ListCache) {\n    var pairs = data.__data__;\n    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n      pairs.push([key, value]);\n      this.size = ++data.size;\n      return this;\n    }\n    data = this.__data__ = new MapCache(pairs);\n  }\n  data.set(key, value);\n  this.size = data.size;\n  return this;\n}\n\nexport default stackSet;\n","import ListCache from './_ListCache.js';\nimport stackClear from './_stackClear.js';\nimport stackDelete from './_stackDelete.js';\nimport stackGet from './_stackGet.js';\nimport stackHas from './_stackHas.js';\nimport stackSet from './_stackSet.js';\n\n/**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Stack(entries) {\n  var data = this.__data__ = new ListCache(entries);\n  this.size = data.size;\n}\n\n// Add methods to `Stack`.\nStack.prototype.clear = stackClear;\nStack.prototype['delete'] = stackDelete;\nStack.prototype.get = stackGet;\nStack.prototype.has = stackHas;\nStack.prototype.set = stackSet;\n\nexport default Stack;\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\nexport default setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\nexport default setCacheHas;\n","import MapCache from './_MapCache.js';\nimport setCacheAdd from './_setCacheAdd.js';\nimport setCacheHas from './_setCacheHas.js';\n\n/**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\nfunction SetCache(values) {\n  var index = -1,\n      length = values == null ? 0 : values.length;\n\n  this.__data__ = new MapCache;\n  while (++index < length) {\n    this.add(values[index]);\n  }\n}\n\n// Add methods to `SetCache`.\nSetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\nSetCache.prototype.has = setCacheHas;\n\nexport default SetCache;\n","/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\nexport default arraySome;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\nexport default cacheHas;\n","import SetCache from './_SetCache.js';\nimport arraySome from './_arraySome.js';\nimport cacheHas from './_cacheHas.js';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfun