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@nebula.gl/layers

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A suite of 3D-enabled data editing layers, suitable for deck.gl

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.getPickedEditHandle = getPickedEditHandle; exports.getIntermediatePosition = getIntermediatePosition; exports.getEditHandlesForGeometry = getEditHandlesForGeometry; exports.ModeHandler = void 0; var _union = _interopRequireDefault(require("@turf/union")); var _difference = _interopRequireDefault(require("@turf/difference")); var _intersect = _interopRequireDefault(require("@turf/intersect")); var _editModes = require("@nebula.gl/edit-modes"); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); } function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); } function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); } function _createForOfIteratorHelper(o) { if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } var ModeHandler = /*#__PURE__*/function () { // TODO: add underscore function ModeHandler(featureCollection) { _classCallCheck(this, ModeHandler); _defineProperty(this, "featureCollection", void 0); _defineProperty(this, "_tentativeFeature", void 0); _defineProperty(this, "_modeConfig", null); _defineProperty(this, "_selectedFeatureIndexes", []); _defineProperty(this, "_clickSequence", []); if (featureCollection) { this.setFeatureCollection(featureCollection); } } _createClass(ModeHandler, [{ key: "getFeatureCollection", value: function getFeatureCollection() { return this.featureCollection.getObject(); } }, { key: "getImmutableFeatureCollection", value: function getImmutableFeatureCollection() { return this.featureCollection; } }, { key: "getSelectedFeature", value: function getSelectedFeature() { if (this._selectedFeatureIndexes.length === 1) { return this.featureCollection.getObject().features[this._selectedFeatureIndexes[0]]; } return null; } }, { key: "getSelectedGeometry", value: function getSelectedGeometry() { var feature = this.getSelectedFeature(); if (feature) { return feature.geometry; } return null; } }, { key: "getSelectedFeaturesAsFeatureCollection", value: function getSelectedFeaturesAsFeatureCollection() { var _this$featureCollecti = this.featureCollection.getObject(), features = _this$featureCollecti.features; var selectedFeatures = this.getSelectedFeatureIndexes().map(function (selectedIndex) { return features[selectedIndex]; }); return { type: 'FeatureCollection', features: selectedFeatures }; } }, { key: "setFeatureCollection", value: function setFeatureCollection(featureCollection) { this.featureCollection = new _editModes.ImmutableFeatureCollection(featureCollection); } }, { key: "getModeConfig", value: function getModeConfig() { return this._modeConfig; } }, { key: "setModeConfig", value: function setModeConfig(modeConfig) { if (this._modeConfig === modeConfig) { return; } this._modeConfig = modeConfig; this._setTentativeFeature(null); } }, { key: "getSelectedFeatureIndexes", value: function getSelectedFeatureIndexes() { return this._selectedFeatureIndexes; } }, { key: "setSelectedFeatureIndexes", value: function setSelectedFeatureIndexes(indexes) { if (this._selectedFeatureIndexes === indexes) { return; } this._selectedFeatureIndexes = indexes; this._setTentativeFeature(null); } }, { key: "getClickSequence", value: function getClickSequence() { return this._clickSequence; } }, { key: "resetClickSequence", value: function resetClickSequence() { this._clickSequence = []; } }, { key: "getTentativeFeature", value: function getTentativeFeature() { return this._tentativeFeature; } // TODO: remove the underscore }, { key: "_setTentativeFeature", value: function _setTentativeFeature(tentativeFeature) { this._tentativeFeature = tentativeFeature; if (!tentativeFeature) { // Reset the click sequence this._clickSequence = []; } } /** * Returns a flat array of positions for the given feature along with their indexes into the feature's geometry's coordinates. * * @param featureIndex The index of the feature to get edit handles */ }, { key: "getEditHandles", value: function getEditHandles(picks, groundCoords) { return []; } }, { key: "getCursor", value: function getCursor(_ref) { var isDragging = _ref.isDragging; return 'cell'; } }, { key: "isSelectionPicked", value: function isSelectionPicked(picks) { if (!picks.length) return false; var pickedIndexes = picks.map(function (_ref2) { var index = _ref2.index; return index; }); var selectedFeatureIndexes = this.getSelectedFeatureIndexes(); return selectedFeatureIndexes.some(function (index) { return pickedIndexes.includes(index); }); } }, { key: "getAddFeatureAction", value: function getAddFeatureAction(geometry) { // Unsure why flow can't deal with Geometry type, but there I fixed it var geometryAsAny = geometry; var updatedData = this.getImmutableFeatureCollection().addFeature({ type: 'Feature', properties: {}, geometry: geometryAsAny }).getObject(); return { updatedData: updatedData, editType: 'addFeature', featureIndexes: [updatedData.features.length - 1], editContext: { featureIndexes: [updatedData.features.length - 1] } }; } }, { key: "getAddManyFeaturesAction", value: function getAddManyFeaturesAction(featureCollection) { var features = featureCollection.features; var updatedData = this.getImmutableFeatureCollection(); var initialIndex = updatedData.getObject().features.length; var updatedIndexes = []; var _iterator = _createForOfIteratorHelper(features), _step; try { for (_iterator.s(); !(_step = _iterator.n()).done;) { var feature = _step.value; var properties = feature.properties, geometry = feature.geometry; var geometryAsAny = geometry; updatedData = updatedData.addFeature({ type: 'Feature', properties: properties, geometry: geometryAsAny }); updatedIndexes.push(initialIndex + updatedIndexes.length); } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } return { updatedData: updatedData.getObject(), editType: 'addFeature', featureIndexes: updatedIndexes, editContext: { featureIndexes: updatedIndexes } }; } }, { key: "getAddFeatureOrBooleanPolygonAction", value: function getAddFeatureOrBooleanPolygonAction(geometry) { var selectedFeature = this.getSelectedFeature(); var modeConfig = this.getModeConfig(); if (modeConfig && modeConfig.booleanOperation) { if (!selectedFeature || selectedFeature.geometry.type !== 'Polygon' && selectedFeature.geometry.type !== 'MultiPolygon') { // eslint-disable-next-line no-console,no-undef console.warn('booleanOperation only supported for single Polygon or MultiPolygon selection'); return null; } var feature = { type: 'Feature', geometry: geometry }; var updatedGeometry; if (modeConfig.booleanOperation === 'union') { updatedGeometry = (0, _union["default"])(selectedFeature, feature); } else if (modeConfig.booleanOperation === 'difference') { // @ts-ignore updatedGeometry = (0, _difference["default"])(selectedFeature, feature); } else if (modeConfig.booleanOperation === 'intersection') { // @ts-ignore updatedGeometry = (0, _intersect["default"])(selectedFeature, feature); } else { // eslint-disable-next-line no-console,no-undef console.warn("Invalid booleanOperation ".concat(modeConfig.booleanOperation)); return null; } if (!updatedGeometry) { // eslint-disable-next-line no-console,no-undef console.warn('Canceling edit. Boolean operation erased entire polygon.'); return null; } var featureIndex = this.getSelectedFeatureIndexes()[0]; var updatedData = this.getImmutableFeatureCollection().replaceGeometry(featureIndex, updatedGeometry.geometry).getObject(); var editAction = { updatedData: updatedData, editType: 'unionGeometry', featureIndexes: [featureIndex], editContext: { featureIndexes: [featureIndex] } }; return editAction; } return this.getAddFeatureAction(geometry); } }, { key: "handleClick", value: function handleClick(event) { this._clickSequence.push(event.groundCoords); return null; } }, { key: "handlePointerMove", value: function handlePointerMove(event) { return { editAction: null, cancelMapPan: false }; } }, { key: "handleStartDragging", value: function handleStartDragging(event) { return null; } }, { key: "handleStopDragging", value: function handleStopDragging(event) { return null; } }]); return ModeHandler; }(); exports.ModeHandler = ModeHandler; function getPickedEditHandle(picks) { var info = picks && picks.find(function (pick) { return pick.isEditingHandle; }); if (info) { return info.object; } return null; } function getIntermediatePosition(position1, position2) { var intermediatePosition = [(position1[0] + position2[0]) / 2.0, (position1[1] + position2[1]) / 2.0]; // @ts-ignore return intermediatePosition; } function getEditHandlesForGeometry(geometry, featureIndex) { var editHandleType = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'existing'; var handles = []; switch (geometry.type) { case 'Point': // positions are not nested handles = [{ position: geometry.coordinates, positionIndexes: [], featureIndex: featureIndex, type: editHandleType }]; break; case 'MultiPoint': case 'LineString': // positions are nested 1 level handles = handles.concat(getEditHandlesForCoordinates(geometry.coordinates, [], featureIndex, editHandleType)); break; case 'Polygon': case 'MultiLineString': // positions are nested 2 levels for (var a = 0; a < geometry.coordinates.length; a++) { handles = handles.concat(getEditHandlesForCoordinates(geometry.coordinates[a], [a], featureIndex, editHandleType)); if (geometry.type === 'Polygon') { // Don't repeat the first/last handle for Polygons handles = handles.slice(0, -1); } } break; case 'MultiPolygon': // positions are nested 3 levels for (var _a = 0; _a < geometry.coordinates.length; _a++) { for (var b = 0; b < geometry.coordinates[_a].length; b++) { handles = handles.concat(getEditHandlesForCoordinates(geometry.coordinates[_a][b], [_a, b], featureIndex, editHandleType)); // Don't repeat the first/last handle for Polygons handles = handles.slice(0, -1); } } break; default: // @ts-ignore throw Error("Unhandled geometry type: ".concat(geometry.type)); } return handles; } function getEditHandlesForCoordinates(coordinates, positionIndexPrefix, featureIndex) { var editHandleType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 'existing'; var editHandles = []; for (var i = 0; i < coordinates.length; i++) { var position = coordinates[i]; editHandles.push({ position: position, positionIndexes: [].concat(_toConsumableArray(positionIndexPrefix), [i]), featureIndex: featureIndex, type: editHandleType }); } return editHandles; } //# 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TODO edit-modes: delete handlers once EditMode fully implemented\n\nimport turfUnion from '@turf/union';\nimport turfDifference from '@turf/difference';\nimport turfIntersect from '@turf/intersect';\n\nimport {\n  ImmutableFeatureCollection,\n  FeatureCollection,\n  Feature,\n  Polygon,\n  Geometry,\n  Position,\n} from '@nebula.gl/edit-modes';\n\nimport {\n  ClickEvent,\n  PointerMoveEvent,\n  StartDraggingEvent,\n  StopDraggingEvent,\n  DeckGLPick,\n} from '../event-types';\n\nexport type EditHandleType = 'existing' | 'intermediate' | 'snap';\n\nexport type EditHandle = {\n  position: Position;\n  positionIndexes: number[];\n  featureIndex: number;\n  type: EditHandleType;\n};\n\nexport type EditAction = {\n  updatedData: FeatureCollection;\n  editType: string;\n  featureIndexes: number[];\n  editContext: any;\n};\n\nexport class ModeHandler {\n  // TODO: add underscore\n  featureCollection: ImmutableFeatureCollection;\n  _tentativeFeature: Feature | null | undefined;\n  _modeConfig: any = null;\n  _selectedFeatureIndexes: number[] = [];\n  _clickSequence: Position[] = [];\n\n  constructor(featureCollection?: FeatureCollection) {\n    if (featureCollection) {\n      this.setFeatureCollection(featureCollection);\n    }\n  }\n\n  getFeatureCollection(): FeatureCollection {\n    return this.featureCollection.getObject();\n  }\n\n  getImmutableFeatureCollection(): ImmutableFeatureCollection {\n    return this.featureCollection;\n  }\n\n  getSelectedFeature(): Feature | null | undefined {\n    if (this._selectedFeatureIndexes.length === 1) {\n      return this.featureCollection.getObject().features[this._selectedFeatureIndexes[0]];\n    }\n    return null;\n  }\n\n  getSelectedGeometry(): Geometry | null | undefined {\n    const feature = this.getSelectedFeature();\n    if (feature) {\n      return feature.geometry;\n    }\n    return null;\n  }\n\n  getSelectedFeaturesAsFeatureCollection(): FeatureCollection {\n    const { features } = this.featureCollection.getObject();\n    const selectedFeatures = this.getSelectedFeatureIndexes().map(\n      (selectedIndex) => features[selectedIndex]\n    );\n    return {\n      type: 'FeatureCollection',\n      features: selectedFeatures,\n    };\n  }\n\n  setFeatureCollection(featureCollection: FeatureCollection): void {\n    this.featureCollection = new ImmutableFeatureCollection(featureCollection);\n  }\n\n  getModeConfig(): any {\n    return this._modeConfig;\n  }\n\n  setModeConfig(modeConfig: any): void {\n    if (this._modeConfig === modeConfig) {\n      return;\n    }\n\n    this._modeConfig = modeConfig;\n    this._setTentativeFeature(null);\n  }\n\n  getSelectedFeatureIndexes(): number[] {\n    return this._selectedFeatureIndexes;\n  }\n\n  setSelectedFeatureIndexes(indexes: number[]): void {\n    if (this._selectedFeatureIndexes === indexes) {\n      return;\n    }\n\n    this._selectedFeatureIndexes = indexes;\n    this._setTentativeFeature(null);\n  }\n\n  getClickSequence(): Position[] {\n    return this._clickSequence;\n  }\n\n  resetClickSequence(): void {\n    this._clickSequence = [];\n  }\n\n  getTentativeFeature(): Feature | null | undefined {\n    return this._tentativeFeature;\n  }\n\n  // TODO: remove the underscore\n  _setTentativeFeature(tentativeFeature: Feature | null | undefined): void {\n    this._tentativeFeature = tentativeFeature;\n    if (!tentativeFeature) {\n      // Reset the click sequence\n      this._clickSequence = [];\n    }\n  }\n\n  /**\n   * Returns a flat array of positions for the given feature along with their indexes into the feature's geometry's coordinates.\n   *\n   * @param featureIndex The index of the feature to get edit handles\n   */\n  getEditHandles(picks?: Array<Record<string, any>>, groundCoords?: Position): EditHandle[] {\n    return [];\n  }\n\n  getCursor({ isDragging }: { isDragging: boolean }): string {\n    return 'cell';\n  }\n\n  isSelectionPicked(picks: DeckGLPick[]): boolean {\n    if (!picks.length) return false;\n    const pickedIndexes = picks.map(({ index }) => index);\n    const selectedFeatureIndexes = this.getSelectedFeatureIndexes();\n    return selectedFeatureIndexes.some((index) => pickedIndexes.includes(index));\n  }\n\n  getAddFeatureAction(geometry: Geometry): EditAction {\n    // Unsure why flow can't deal with Geometry type, but there I fixed it\n    const geometryAsAny: any = geometry;\n\n    const updatedData = this.getImmutableFeatureCollection()\n      .addFeature({\n        type: 'Feature',\n        properties: {},\n        geometry: geometryAsAny,\n      })\n      .getObject();\n\n    return {\n      updatedData,\n      editType: 'addFeature',\n      featureIndexes: [updatedData.features.length - 1],\n      editContext: {\n        featureIndexes: [updatedData.features.length - 1],\n      },\n    };\n  }\n\n  getAddManyFeaturesAction(featureCollection: FeatureCollection): EditAction {\n    const features = featureCollection.features;\n    let updatedData = this.getImmutableFeatureCollection();\n    const initialIndex = updatedData.getObject().features.length;\n    const updatedIndexes = [];\n    for (const feature of features) {\n      const { properties, geometry } = feature;\n      const geometryAsAny: any = geometry;\n      updatedData = updatedData.addFeature({\n        type: 'Feature',\n        properties,\n        geometry: geometryAsAny,\n      });\n      updatedIndexes.push(initialIndex + updatedIndexes.length);\n    }\n\n    return {\n      updatedData: updatedData.getObject(),\n      editType: 'addFeature',\n      featureIndexes: updatedIndexes,\n      editContext: {\n        featureIndexes: updatedIndexes,\n      },\n    };\n  }\n\n  getAddFeatureOrBooleanPolygonAction(geometry: Polygon): EditAction | null | undefined {\n    const selectedFeature = this.getSelectedFeature();\n    const modeConfig = this.getModeConfig();\n    if (modeConfig && modeConfig.booleanOperation) {\n      if (\n        !selectedFeature ||\n        (selectedFeature.geometry.type !== 'Polygon' &&\n          selectedFeature.geometry.type !== 'MultiPolygon')\n      ) {\n        // eslint-disable-next-line no-console,no-undef\n        console.warn(\n          'booleanOperation only supported for single Polygon or MultiPolygon selection'\n        );\n        return null;\n      }\n\n      const feature = {\n        type: 'Feature',\n        geometry,\n      };\n\n      let updatedGeometry;\n      if (modeConfig.booleanOperation === 'union') {\n        updatedGeometry = turfUnion(selectedFeature, feature);\n      } else if (modeConfig.booleanOperation === 'difference') {\n        // @ts-ignore\n        updatedGeometry = turfDifference(selectedFeature, feature);\n      } else if (modeConfig.booleanOperation === 'intersection') {\n        // @ts-ignore\n        updatedGeometry = turfIntersect(selectedFeature, feature);\n      } else {\n        // eslint-disable-next-line no-console,no-undef\n        console.warn(`Invalid booleanOperation ${modeConfig.booleanOperation}`);\n        return null;\n      }\n\n      if (!updatedGeometry) {\n        // eslint-disable-next-line no-console,no-undef\n        console.warn('Canceling edit. Boolean operation erased entire polygon.');\n        return null;\n      }\n\n      const featureIndex = this.getSelectedFeatureIndexes()[0];\n\n      const updatedData = this.getImmutableFeatureCollection()\n        .replaceGeometry(featureIndex, updatedGeometry.geometry)\n        .getObject();\n\n      const editAction: EditAction = {\n        updatedData,\n        editType: 'unionGeometry',\n        featureIndexes: [featureIndex],\n        editContext: {\n          featureIndexes: [featureIndex],\n        },\n      };\n\n      return editAction;\n    }\n    return this.getAddFeatureAction(geometry);\n  }\n\n  handleClick(event: ClickEvent): EditAction | null | undefined {\n    this._clickSequence.push(event.groundCoords);\n\n    return null;\n  }\n\n  handlePointerMove(\n    event: PointerMoveEvent\n  ): { editAction: EditAction | null | undefined; cancelMapPan: boolean } {\n    return { editAction: null, cancelMapPan: false };\n  }\n\n  handleStartDragging(event: StartDraggingEvent): EditAction | null | undefined {\n    return null;\n  }\n\n  handleStopDragging(event: StopDraggingEvent): EditAction | null | undefined {\n    return null;\n  }\n}\n\nexport function getPickedEditHandle(\n  picks: any[] | null | undefined\n): EditHandle | null | undefined {\n  const info = picks && picks.find((pick) => pick.isEditingHandle);\n  if (info) {\n    return info.object;\n  }\n  return null;\n}\n\nexport function getIntermediatePosition(position1: Position, position2: Position): Position {\n  const intermediatePosition = [\n    (position1[0] + position2[0]) / 2.0,\n    (position1[1] + position2[1]) / 2.0,\n  ];\n  // @ts-ignore\n  return intermediatePosition;\n}\n\nexport function getEditHandlesForGeometry(\n  geometry: Geometry,\n  featureIndex: number,\n  editHandleType: EditHandleType = 'existing'\n) {\n  let handles: EditHandle[] = [];\n\n  switch (geometry.type) {\n    case 'Point':\n      // positions are not nested\n      handles = [\n        {\n          position: geometry.coordinates,\n          positionIndexes: [],\n          featureIndex,\n          type: editHandleType,\n        },\n      ];\n      break;\n    case 'MultiPoint':\n    case 'LineString':\n      // positions are nested 1 level\n      handles = handles.concat(\n        getEditHandlesForCoordinates(geometry.coordinates, [], featureIndex, editHandleType)\n      );\n      break;\n    case 'Polygon':\n    case 'MultiLineString':\n      // positions are nested 2 levels\n      for (let a = 0; a < geometry.coordinates.length; a++) {\n        handles = handles.concat(\n          getEditHandlesForCoordinates(geometry.coordinates[a], [a], featureIndex, editHandleType)\n        );\n        if (geometry.type === 'Polygon') {\n          // Don't repeat the first/last handle for Polygons\n          handles = handles.slice(0, -1);\n        }\n      }\n\n      break;\n    case 'MultiPolygon':\n      // positions are nested 3 levels\n      for (let a = 0; a < geometry.coordinates.length; a++) {\n        for (let b = 0; b < geometry.coordinates[a].length; b++) {\n          handles = handles.concat(\n            getEditHandlesForCoordinates(\n              geometry.coordinates[a][b],\n              [a, b],\n              featureIndex,\n              editHandleType\n            )\n          );\n          // Don't repeat the first/last handle for Polygons\n          handles = handles.slice(0, -1);\n        }\n      }\n\n      break;\n    default:\n      // @ts-ignore\n      throw Error(`Unhandled geometry type: ${geometry.type}`);\n  }\n\n  return handles;\n}\n\nfunction getEditHandlesForCoordinates(\n  coordinates: any[],\n  positionIndexPrefix: number[],\n  featureIndex: number,\n  editHandleType: EditHandleType = 'existing'\n): EditHandle[] {\n  const editHandles = [];\n  for (let i = 0; i < coordinates.length; i++) {\n    const position = coordinates[i];\n    editHandles.push({\n      position,\n      positionIndexes: [...positionIndexPrefix, i],\n      featureIndex,\n      type: editHandleType,\n    });\n  }\n  return editHandles;\n}\n"]}