\n {\n console.log('sdfsd')\n }\n \"\n >\n \n
\n\n\n","'use strict';\n\n// do not edit .js files directly - edit src/index.jst\n\n\n\nmodule.exports = function equal(a, b) {\n if (a === b) return true;\n\n if (a && b && typeof a == 'object' && typeof b == 'object') {\n if (a.constructor !== b.constructor) return false;\n\n var length, i, keys;\n if (Array.isArray(a)) {\n length = a.length;\n if (length != b.length) return false;\n for (i = length; i-- !== 0;)\n if (!equal(a[i], b[i])) return false;\n return true;\n }\n\n\n\n if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;\n if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();\n if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();\n\n keys = Object.keys(a);\n length = keys.length;\n if (length !== Object.keys(b).length) return false;\n\n for (i = length; i-- !== 0;)\n if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;\n\n for (i = length; i-- !== 0;) {\n var key = keys[i];\n\n if (!equal(a[key], b[key])) return false;\n }\n\n return true;\n }\n\n // true if both NaN, false otherwise\n return a!==a && b!==b;\n};\n","\nconst ARRAY_TYPES = [\n Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint16Array,\n Int32Array, Uint32Array, Float32Array, Float64Array\n];\n\n/** @typedef {Int8ArrayConstructor | Uint8ArrayConstructor | Uint8ClampedArrayConstructor | Int16ArrayConstructor | Uint16ArrayConstructor | Int32ArrayConstructor | Uint32ArrayConstructor | Float32ArrayConstructor | Float64ArrayConstructor} TypedArrayConstructor */\n\nconst VERSION = 1; // serialized format version\nconst HEADER_SIZE = 8;\n\nexport default class KDBush {\n\n /**\n * Creates an index from raw `ArrayBuffer` data.\n * @param {ArrayBuffer} data\n */\n static from(data) {\n if (!(data instanceof ArrayBuffer)) {\n throw new Error('Data must be an instance of ArrayBuffer.');\n }\n const [magic, versionAndType] = new Uint8Array(data, 0, 2);\n if (magic !== 0xdb) {\n throw new Error('Data does not appear to be in a KDBush format.');\n }\n const version = versionAndType >> 4;\n if (version !== VERSION) {\n throw new Error(`Got v${version} data when expected v${VERSION}.`);\n }\n const ArrayType = ARRAY_TYPES[versionAndType & 0x0f];\n if (!ArrayType) {\n throw new Error('Unrecognized array type.');\n }\n const [nodeSize] = new Uint16Array(data, 2, 1);\n const [numItems] = new Uint32Array(data, 4, 1);\n\n return new KDBush(numItems, nodeSize, ArrayType, data);\n }\n\n /**\n * Creates an index that will hold a given number of items.\n * @param {number} numItems\n * @param {number} [nodeSize=64] Size of the KD-tree node (64 by default).\n * @param {TypedArrayConstructor} [ArrayType=Float64Array] The array type used for coordinates storage (`Float64Array` by default).\n * @param {ArrayBuffer} [data] (For internal use only)\n */\n constructor(numItems, nodeSize = 64, ArrayType = Float64Array, data) {\n if (isNaN(numItems) || numItems < 0) throw new Error(`Unpexpected numItems value: ${numItems}.`);\n\n this.numItems = +numItems;\n this.nodeSize = Math.min(Math.max(+nodeSize, 2), 65535);\n this.ArrayType = ArrayType;\n this.IndexArrayType = numItems < 65536 ? Uint16Array : Uint32Array;\n\n const arrayTypeIndex = ARRAY_TYPES.indexOf(this.ArrayType);\n const coordsByteSize = numItems * 2 * this.ArrayType.BYTES_PER_ELEMENT;\n const idsByteSize = numItems * this.IndexArrayType.BYTES_PER_ELEMENT;\n const padCoords = (8 - idsByteSize % 8) % 8;\n\n if (arrayTypeIndex < 0) {\n throw new Error(`Unexpected typed array class: ${ArrayType}.`);\n }\n\n if (data && (data instanceof ArrayBuffer)) { // reconstruct an index from a buffer\n this.data = data;\n this.ids = new this.IndexArrayType(this.data, HEADER_SIZE, numItems);\n this.coords = new this.ArrayType(this.data, HEADER_SIZE + idsByteSize + padCoords, numItems * 2);\n this._pos = numItems * 2;\n this._finished = true;\n } else { // initialize a new index\n this.data = new ArrayBuffer(HEADER_SIZE + coordsByteSize + idsByteSize + padCoords);\n this.ids = new this.IndexArrayType(this.data, HEADER_SIZE, numItems);\n this.coords = new this.ArrayType(this.data, HEADER_SIZE + idsByteSize + padCoords, numItems * 2);\n this._pos = 0;\n this._finished = false;\n\n // set header\n new Uint8Array(this.data, 0, 2).set([0xdb, (VERSION << 4) + arrayTypeIndex]);\n new Uint16Array(this.data, 2, 1)[0] = nodeSize;\n new Uint32Array(this.data, 4, 1)[0] = numItems;\n }\n }\n\n /**\n * Add a point to the index.\n * @param {number} x\n * @param {number} y\n * @returns {number} An incremental index associated with the added item (starting from `0`).\n */\n add(x, y) {\n const index = this._pos >> 1;\n this.ids[index] = index;\n this.coords[this._pos++] = x;\n this.coords[this._pos++] = y;\n return index;\n }\n\n /**\n * Perform indexing of the added points.\n */\n finish() {\n const numAdded = this._pos >> 1;\n if (numAdded !== this.numItems) {\n throw new Error(`Added ${numAdded} items when expected ${this.numItems}.`);\n }\n // kd-sort both arrays for efficient search\n sort(this.ids, this.coords, this.nodeSize, 0, this.numItems - 1, 0);\n\n this._finished = true;\n return this;\n }\n\n /**\n * Search the index for items within a given bounding box.\n * @param {number} minX\n * @param {number} minY\n * @param {number} maxX\n * @param {number} maxY\n * @returns {number[]} An array of indices correponding to the found items.\n */\n range(minX, minY, maxX, maxY) {\n if (!this._finished) throw new Error('Data not yet indexed - call index.finish().');\n\n const {ids, coords, nodeSize} = this;\n const stack = [0, ids.length - 1, 0];\n const result = [];\n\n // recursively search for items in range in the kd-sorted arrays\n while (stack.length) {\n const axis = stack.pop() || 0;\n const right = stack.pop() || 0;\n const left = stack.pop() || 0;\n\n // if we reached \"tree node\", search linearly\n if (right - left <= nodeSize) {\n for (let i = left; i <= right; i++) {\n const x = coords[2 * i];\n const y = coords[2 * i + 1];\n if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[i]);\n }\n continue;\n }\n\n // otherwise find the middle index\n const m = (left + right) >> 1;\n\n // include the middle item if it's in range\n const x = coords[2 * m];\n const y = coords[2 * m + 1];\n if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[m]);\n\n // queue search in halves that intersect the query\n if (axis === 0 ? minX <= x : minY <= y) {\n stack.push(left);\n stack.push(m - 1);\n stack.push(1 - axis);\n }\n if (axis === 0 ? maxX >= x : maxY >= y) {\n stack.push(m + 1);\n stack.push(right);\n stack.push(1 - axis);\n }\n }\n\n return result;\n }\n\n /**\n * Search the index for items within a given radius.\n * @param {number} qx\n * @param {number} qy\n * @param {number} r Query radius.\n * @returns {number[]} An array of indices correponding to the found items.\n */\n within(qx, qy, r) {\n if (!this._finished) throw new Error('Data not yet indexed - call index.finish().');\n\n const {ids, coords, nodeSize} = this;\n const stack = [0, ids.length - 1, 0];\n const result = [];\n const r2 = r * r;\n\n // recursively search for items within radius in the kd-sorted arrays\n while (stack.length) {\n const axis = stack.pop() || 0;\n const right = stack.pop() || 0;\n const left = stack.pop() || 0;\n\n // if we reached \"tree node\", search linearly\n if (right - left <= nodeSize) {\n for (let i = left; i <= right; i++) {\n if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) result.push(ids[i]);\n }\n continue;\n }\n\n // otherwise find the middle index\n const m = (left + right) >> 1;\n\n // include the middle item if it's in range\n const x = coords[2 * m];\n const y = coords[2 * m + 1];\n if (sqDist(x, y, qx, qy) <= r2) result.push(ids[m]);\n\n // queue search in halves that intersect the query\n if (axis === 0 ? qx - r <= x : qy - r <= y) {\n stack.push(left);\n stack.push(m - 1);\n stack.push(1 - axis);\n }\n if (axis === 0 ? qx + r >= x : qy + r >= y) {\n stack.push(m + 1);\n stack.push(right);\n stack.push(1 - axis);\n }\n }\n\n return result;\n }\n}\n\n/**\n * @param {Uint16Array | Uint32Array} ids\n * @param {InstanceType