{"version":3,"sources":["../../index.ts"],"sourcesContent":["import {\n BBox,\n Feature,\n Geometry,\n LineString,\n MultiPoint,\n MultiPolygon,\n Point,\n Polygon,\n} from \"geojson\";\nimport { bbox as calcBbox } from \"@turf/bbox\";\nimport { booleanPointInPolygon } from \"@turf/boolean-point-in-polygon\";\nimport { booleanPointOnLine as isPointOnLine } from \"@turf/boolean-point-on-line\";\nimport { getGeom } from \"@turf/invariant\";\n\n/**\n * Boolean-contains returns True if the second geometry is completely contained by the first geometry.\n * The interiors of both geometries must intersect and, the interior and boundary of the secondary (geometry b)\n * must not intersect the exterior of the primary (geometry a).\n * Boolean-contains returns the exact opposite result of the `@turf/boolean-within`.\n *\n * @function\n * @param {Geometry|Feature<any>} feature1 GeoJSON Feature or Geometry\n * @param {Geometry|Feature<any>} feature2 GeoJSON Feature or Geometry\n * @returns {boolean} true/false\n * @example\n * var line = turf.lineString([[1, 1], [1, 2], [1, 3], [1, 4]]);\n * var point = turf.point([1, 2]);\n *\n * turf.booleanContains(line, point);\n * //=true\n */\nfunction booleanContains(\n feature1: Feature<any> | Geometry,\n feature2: Feature<any> | Geometry\n) {\n const geom1 = getGeom(feature1);\n const geom2 = getGeom(feature2);\n const type1 = geom1.type;\n const type2 = geom2.type;\n const coords1 = geom1.coordinates;\n const coords2 = geom2.coordinates;\n\n switch (type1) {\n case \"Point\":\n switch (type2) {\n case \"Point\":\n return compareCoords(coords1, coords2);\n default:\n throw new Error(\"feature2 \" + type2 + \" geometry not supported\");\n }\n case \"MultiPoint\":\n switch (type2) {\n case \"Point\":\n return isPointInMultiPoint(geom1, geom2);\n case \"MultiPoint\":\n return isMultiPointInMultiPoint(geom1, geom2);\n default:\n throw new Error(\"feature2 \" + type2 + \" geometry not supported\");\n }\n case \"LineString\":\n switch (type2) {\n case \"Point\":\n return isPointOnLine(geom2, geom1, { ignoreEndVertices: true });\n case \"LineString\":\n return isLineOnLine(geom1, geom2);\n case \"MultiPoint\":\n return isMultiPointOnLine(geom1, geom2);\n default:\n throw new Error(\"feature2 \" + type2 + \" geometry not supported\");\n }\n case \"Polygon\":\n switch (type2) {\n case \"Point\":\n return booleanPointInPolygon(geom2, geom1, { ignoreBoundary: true });\n case \"LineString\":\n return isLineInPoly(geom1, geom2);\n case \"Polygon\":\n return isPolyInPoly(geom1, geom2);\n case \"MultiPoint\":\n return isMultiPointInPoly(geom1, geom2);\n default:\n throw new Error(\"feature2 \" + type2 + \" geometry not supported\");\n }\n case \"MultiPolygon\":\n switch (type2) {\n case \"Polygon\":\n return isPolygonInMultiPolygon(geom1, geom2);\n default:\n throw new Error(\"feature2 \" + type2 + \" geometry not supported\");\n }\n default:\n throw new Error(\"feature1 \" + type1 + \" geometry not supported\");\n }\n}\n\nfunction isPolygonInMultiPolygon(multiPolygon: MultiPolygon, polygon: Polygon) {\n return multiPolygon.coordinates.some((coords) =>\n isPolyInPoly({ type: \"Polygon\", coordinates: coords }, polygon)\n );\n}\n\nfunction isPointInMultiPoint(multiPoint: MultiPoint, pt: Point) {\n let i;\n let output = false;\n for (i = 0; i < multiPoint.coordinates.length; i++) {\n if (compareCoords(multiPoint.coordinates[i], pt.coordinates)) {\n output = true;\n break;\n }\n }\n return output;\n}\n\nfunction isMultiPointInMultiPoint(\n multiPoint1: MultiPoint,\n multiPoint2: MultiPoint\n) {\n for (const coord2 of multiPoint2.coordinates) {\n let matchFound = false;\n for (const coord1 of multiPoint1.coordinates) {\n if (compareCoords(coord2, coord1)) {\n matchFound = true;\n break;\n }\n }\n if (!matchFound) {\n return false;\n }\n }\n return true;\n}\n\nfunction isMultiPointOnLine(lineString: LineString, multiPoint: MultiPoint) {\n let haveFoundInteriorPoint = false;\n for (const coord of multiPoint.coordinates) {\n if (isPointOnLine(coord, lineString, { ignoreEndVertices: true })) {\n haveFoundInteriorPoint = true;\n }\n if (!isPointOnLine(coord, lineString)) {\n return false;\n }\n }\n if (haveFoundInteriorPoint) {\n return true;\n }\n return false;\n}\n\nfunction isMultiPointInPoly(polygon: Polygon, multiPoint: MultiPoint) {\n for (const coord of multiPoint.coordinates) {\n if (!booleanPointInPolygon(coord, polygon, { ignoreBoundary: true })) {\n return false;\n }\n }\n return true;\n}\n\nfunction isLineOnLine(lineString1: LineString, lineString2: LineString) {\n let haveFoundInteriorPoint = false;\n for (const coords of lineString2.coordinates) {\n if (\n isPointOnLine({ type: \"Point\", coordinates: coords }, lineString1, {\n ignoreEndVertices: true,\n })\n ) {\n haveFoundInteriorPoint = true;\n }\n if (\n !isPointOnLine({ type: \"Point\", coordinates: coords }, lineString1, {\n ignoreEndVertices: false,\n })\n ) {\n return false;\n }\n }\n return haveFoundInteriorPoint;\n}\n\nfunction isLineInPoly(polygon: Polygon, linestring: LineString) {\n let output = false;\n let i = 0;\n\n const polyBbox = calcBbox(polygon);\n const lineBbox = calcBbox(linestring);\n if (!doBBoxOverlap(polyBbox, lineBbox)) {\n return false;\n }\n for (i; i < linestring.coordinates.length - 1; i++) {\n const midPoint = getMidpoint(\n linestring.coordinates[i],\n linestring.coordinates[i + 1]\n );\n if (\n booleanPointInPolygon({ type: \"Point\", coordinates: midPoint }, polygon, {\n ignoreBoundary: true,\n })\n ) {\n output = true;\n break;\n }\n }\n return output;\n}\n\n/**\n * Is Polygon2 in Polygon1\n * Only takes into account outer rings\n *\n * @private\n * @param {Geometry|Feature<Polygon>} feature1 Polygon1\n * @param {Geometry|Feature<Polygon>} feature2 Polygon2\n * @returns {boolean} true/false\n */\nfunction isPolyInPoly(\n feature1: Feature<Polygon> | Polygon,\n feature2: Feature<Polygon> | Polygon\n) {\n // Handle Nulls\n if (feature1.type === \"Feature\" && feature1.geometry === null) {\n return false;\n }\n if (feature2.type === \"Feature\" && feature2.geometry === null) {\n return false;\n }\n\n const poly1Bbox = calcBbox(feature1);\n const poly2Bbox = calcBbox(feature2);\n if (!doBBoxOverlap(poly1Bbox, poly2Bbox)) {\n return false;\n }\n\n const coords = getGeom(feature2).coordinates;\n for (const ring of coords) {\n for (const coord of ring) {\n if (!booleanPointInPolygon(coord, feature1)) {\n return false;\n }\n }\n }\n return true;\n}\n\nfunction doBBoxOverlap(bbox1: BBox, bbox2: BBox) {\n if (bbox1[0] > bbox2[0]) {\n return false;\n }\n if (bbox1[2] < bbox2[2]) {\n return false;\n }\n if (bbox1[1] > bbox2[1]) {\n return false;\n }\n if (bbox1[3] < bbox2[3]) {\n return false;\n }\n return true;\n}\n\n/**\n * compareCoords\n *\n * @private\n * @param {Position} pair1 point [x,y]\n * @param {Position} pair2 point [x,y]\n * @returns {boolean} true/false if coord pairs match\n */\nfunction compareCoords(pair1: number[], pair2: number[]) {\n return pair1[0] === pair2[0] && pair1[1] === pair2[1];\n}\n\nfunction getMidpoint(pair1: number[], pair2: number[]) {\n return [(pair1[0] + pair2[0]) / 2, (pair1[1] + pair2[1]) / 2];\n}\n\nexport {\n booleanContains,\n isPolygonInMultiPolygon,\n isPointInMultiPoint,\n isMultiPointInMultiPoint,\n isMultiPointOnLine,\n isMultiPointInPoly,\n isLineOnLine,\n isLineInPoly,\n isPolyInPoly,\n doBBoxOverlap,\n compareCoords,\n getMidpoint,\n};\n\nexport default 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