all these changes

frontend/node_modules/@turf/line-overlap/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2017 TurfJS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

frontend/node_modules/@turf/line-overlap/README.md

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+# @turf/line-overlap
+
+<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
+
+## lineOverlap
+
+Takes any LineString or Polygon and returns the overlapping lines between both features.
+
+**Parameters**
+
+-   `line1` **([Geometry][1] \| [Feature][2]&lt;([LineString][3] \| [MultiLineString][4] \| [Polygon][5] \| [MultiPolygon][6])>)** any LineString or Polygon
+-   `line2` **([Geometry][1] \| [Feature][2]&lt;([LineString][3] \| [MultiLineString][4] \| [Polygon][5] \| [MultiPolygon][6])>)** any LineString or Polygon
+-   `options` **[Object][7]** Optional parameters (optional, default `{}`)
+    -   `options.tolerance` **[number][8]** Tolerance distance to match overlapping line segments (in kilometers) (optional, default `0`)
+
+**Examples**
+
+```javascript
+var line1 = turf.lineString([[115, -35], [125, -30], [135, -30], [145, -35]]);
+var line2 = turf.lineString([[115, -25], [125, -30], [135, -30], [145, -25]]);
+
+var overlapping = turf.lineOverlap(line1, line2);
+
+//addToMap
+var addToMap = [line1, line2, overlapping]
+```
+
+Returns **[FeatureCollection][9]&lt;[LineString][3]>** lines(s) that are overlapping between both features
+
+[1]: https://tools.ietf.org/html/rfc7946#section-3.1
+
+[2]: https://tools.ietf.org/html/rfc7946#section-3.2
+
+[3]: https://tools.ietf.org/html/rfc7946#section-3.1.4
+
+[4]: https://tools.ietf.org/html/rfc7946#section-3.1.5
+
+[5]: https://tools.ietf.org/html/rfc7946#section-3.1.6
+
+[6]: https://tools.ietf.org/html/rfc7946#section-3.1.7
+
+[7]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
+
+[8]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number
+
+[9]: https://tools.ietf.org/html/rfc7946#section-3.3
+
+<!-- This file is automatically generated. Please don't edit it directly:
+if you find an error, edit the source file (likely index.js), and re-run
+./scripts/generate-readmes in the turf project. -->
+
+---
+
+This module is part of the [Turfjs project](http://turfjs.org/), an open source
+module collection dedicated to geographic algorithms. It is maintained in the
+[Turfjs/turf](https://github.com/Turfjs/turf) repository, where you can create
+PRs and issues.
+
+### Installation
+
+Install this module individually:
+
+```sh
+$ npm install @turf/line-overlap
+```
+
+Or install the Turf module that includes it as a function:
+
+```sh
+$ npm install @turf/turf
+```

frontend/node_modules/@turf/line-overlap/dist/es/index.js

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+import rbush from "geojson-rbush";
+import lineSegment from "@turf/line-segment";
+import nearestPointOnLine from "@turf/nearest-point-on-line";
+import booleanPointOnLine from "@turf/boolean-point-on-line";
+import { getCoords } from "@turf/invariant";
+import { featureEach, segmentEach } from "@turf/meta";
+import { featureCollection, isObject, } from "@turf/helpers";
+import equal from "deep-equal";
+/**
+ * Takes any LineString or Polygon and returns the overlapping lines between both features.
+ *
+ * @name lineOverlap
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line1 any LineString or Polygon
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line2 any LineString or Polygon
+ * @param {Object} [options={}] Optional parameters
+ * @param {number} [options.tolerance=0] Tolerance distance to match overlapping line segments (in kilometers)
+ * @returns {FeatureCollection<LineString>} lines(s) that are overlapping between both features
+ * @example
+ * var line1 = turf.lineString([[115, -35], [125, -30], [135, -30], [145, -35]]);
+ * var line2 = turf.lineString([[115, -25], [125, -30], [135, -30], [145, -25]]);
+ *
+ * var overlapping = turf.lineOverlap(line1, line2);
+ *
+ * //addToMap
+ * var addToMap = [line1, line2, overlapping]
+ */
+function lineOverlap(line1, line2, options) {
+    if (options === void 0) { options = {}; }
+    // Optional parameters
+    options = options || {};
+    if (!isObject(options))
+        throw new Error("options is invalid");
+    var tolerance = options.tolerance || 0;
+    // Containers
+    var features = [];
+    // Create Spatial Index
+    var tree = rbush();
+    // To-Do -- HACK way to support typescript
+    var line = lineSegment(line1);
+    tree.load(line);
+    var overlapSegment;
+    // Line Intersection
+    // Iterate over line segments
+    segmentEach(line2, function (segment) {
+        var doesOverlaps = false;
+        if (!segment) {
+            return;
+        }
+        // Iterate over each segments which falls within the same bounds
+        featureEach(tree.search(segment), function (match) {
+            if (doesOverlaps === false) {
+                var coordsSegment = getCoords(segment).sort();
+                var coordsMatch = getCoords(match).sort();
+                // Segment overlaps feature
+                if (equal(coordsSegment, coordsMatch)) {
+                    doesOverlaps = true;
+                    // Overlaps already exists - only append last coordinate of segment
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, segment);
+                    else
+                        overlapSegment = segment;
+                    // Match segments which don't share nodes (Issue #901)
+                }
+                else if (tolerance === 0
+                    ? booleanPointOnLine(coordsSegment[0], match) &&
+                        booleanPointOnLine(coordsSegment[1], match)
+                    : nearestPointOnLine(match, coordsSegment[0]).properties.dist <=
+                        tolerance &&
+                        nearestPointOnLine(match, coordsSegment[1]).properties.dist <=
+                            tolerance) {
+                    doesOverlaps = true;
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, segment);
+                    else
+                        overlapSegment = segment;
+                }
+                else if (tolerance === 0
+                    ? booleanPointOnLine(coordsMatch[0], segment) &&
+                        booleanPointOnLine(coordsMatch[1], segment)
+                    : nearestPointOnLine(segment, coordsMatch[0]).properties.dist <=
+                        tolerance &&
+                        nearestPointOnLine(segment, coordsMatch[1]).properties.dist <=
+                            tolerance) {
+                    // Do not define (doesOverlap = true) since more matches can occur within the same segment
+                    // doesOverlaps = true;
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, match);
+                    else
+                        overlapSegment = match;
+                }
+            }
+        });
+        // Segment doesn't overlap - add overlaps to results & reset
+        if (doesOverlaps === false && overlapSegment) {
+            features.push(overlapSegment);
+            overlapSegment = undefined;
+        }
+    });
+    // Add last segment if exists
+    if (overlapSegment)
+        features.push(overlapSegment);
+    return featureCollection(features);
+}
+/**
+ * Concat Segment
+ *
+ * @private
+ * @param {Feature<LineString>} line LineString
+ * @param {Feature<LineString>} segment 2-vertex LineString
+ * @returns {Feature<LineString>} concat linestring
+ */
+function concatSegment(line, segment) {
+    var coords = getCoords(segment);
+    var lineCoords = getCoords(line);
+    var start = lineCoords[0];
+    var end = lineCoords[lineCoords.length - 1];
+    var geom = line.geometry.coordinates;
+    if (equal(coords[0], start))
+        geom.unshift(coords[1]);
+    else if (equal(coords[0], end))
+        geom.push(coords[1]);
+    else if (equal(coords[1], start))
+        geom.unshift(coords[0]);
+    else if (equal(coords[1], end))
+        geom.push(coords[0]);
+    return line;
+}
+export default lineOverlap;

frontend/node_modules/@turf/line-overlap/dist/es/package.json

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+{"type":"module"}

frontend/node_modules/@turf/line-overlap/dist/js/index.d.ts

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+import { FeatureCollection, Feature, LineString, MultiLineString, Polygon, MultiPolygon } from "@turf/helpers";
+/**
+ * Takes any LineString or Polygon and returns the overlapping lines between both features.
+ *
+ * @name lineOverlap
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line1 any LineString or Polygon
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line2 any LineString or Polygon
+ * @param {Object} [options={}] Optional parameters
+ * @param {number} [options.tolerance=0] Tolerance distance to match overlapping line segments (in kilometers)
+ * @returns {FeatureCollection<LineString>} lines(s) that are overlapping between both features
+ * @example
+ * var line1 = turf.lineString([[115, -35], [125, -30], [135, -30], [145, -35]]);
+ * var line2 = turf.lineString([[115, -25], [125, -30], [135, -30], [145, -25]]);
+ *
+ * var overlapping = turf.lineOverlap(line1, line2);
+ *
+ * //addToMap
+ * var addToMap = [line1, line2, overlapping]
+ */
+declare function lineOverlap<G1 extends LineString | MultiLineString | Polygon | MultiPolygon, G2 extends LineString | MultiLineString | Polygon | MultiPolygon>(line1: Feature<G1> | G1, line2: Feature<G2> | G2, options?: {
+    tolerance?: number;
+}): FeatureCollection<LineString>;
+export default lineOverlap;

frontend/node_modules/@turf/line-overlap/dist/js/index.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var geojson_rbush_1 = __importDefault(require("geojson-rbush"));
+var line_segment_1 = __importDefault(require("@turf/line-segment"));
+var nearest_point_on_line_1 = __importDefault(require("@turf/nearest-point-on-line"));
+var boolean_point_on_line_1 = __importDefault(require("@turf/boolean-point-on-line"));
+var invariant_1 = require("@turf/invariant");
+var meta_1 = require("@turf/meta");
+var helpers_1 = require("@turf/helpers");
+var deep_equal_1 = __importDefault(require("deep-equal"));
+/**
+ * Takes any LineString or Polygon and returns the overlapping lines between both features.
+ *
+ * @name lineOverlap
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line1 any LineString or Polygon
+ * @param {Geometry|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line2 any LineString or Polygon
+ * @param {Object} [options={}] Optional parameters
+ * @param {number} [options.tolerance=0] Tolerance distance to match overlapping line segments (in kilometers)
+ * @returns {FeatureCollection<LineString>} lines(s) that are overlapping between both features
+ * @example
+ * var line1 = turf.lineString([[115, -35], [125, -30], [135, -30], [145, -35]]);
+ * var line2 = turf.lineString([[115, -25], [125, -30], [135, -30], [145, -25]]);
+ *
+ * var overlapping = turf.lineOverlap(line1, line2);
+ *
+ * //addToMap
+ * var addToMap = [line1, line2, overlapping]
+ */
+function lineOverlap(line1, line2, options) {
+    if (options === void 0) { options = {}; }
+    // Optional parameters
+    options = options || {};
+    if (!helpers_1.isObject(options))
+        throw new Error("options is invalid");
+    var tolerance = options.tolerance || 0;
+    // Containers
+    var features = [];
+    // Create Spatial Index
+    var tree = geojson_rbush_1.default();
+    // To-Do -- HACK way to support typescript
+    var line = line_segment_1.default(line1);
+    tree.load(line);
+    var overlapSegment;
+    // Line Intersection
+    // Iterate over line segments
+    meta_1.segmentEach(line2, function (segment) {
+        var doesOverlaps = false;
+        if (!segment) {
+            return;
+        }
+        // Iterate over each segments which falls within the same bounds
+        meta_1.featureEach(tree.search(segment), function (match) {
+            if (doesOverlaps === false) {
+                var coordsSegment = invariant_1.getCoords(segment).sort();
+                var coordsMatch = invariant_1.getCoords(match).sort();
+                // Segment overlaps feature
+                if (deep_equal_1.default(coordsSegment, coordsMatch)) {
+                    doesOverlaps = true;
+                    // Overlaps already exists - only append last coordinate of segment
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, segment);
+                    else
+                        overlapSegment = segment;
+                    // Match segments which don't share nodes (Issue #901)
+                }
+                else if (tolerance === 0
+                    ? boolean_point_on_line_1.default(coordsSegment[0], match) &&
+                        boolean_point_on_line_1.default(coordsSegment[1], match)
+                    : nearest_point_on_line_1.default(match, coordsSegment[0]).properties.dist <=
+                        tolerance &&
+                        nearest_point_on_line_1.default(match, coordsSegment[1]).properties.dist <=
+                            tolerance) {
+                    doesOverlaps = true;
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, segment);
+                    else
+                        overlapSegment = segment;
+                }
+                else if (tolerance === 0
+                    ? boolean_point_on_line_1.default(coordsMatch[0], segment) &&
+                        boolean_point_on_line_1.default(coordsMatch[1], segment)
+                    : nearest_point_on_line_1.default(segment, coordsMatch[0]).properties.dist <=
+                        tolerance &&
+                        nearest_point_on_line_1.default(segment, coordsMatch[1]).properties.dist <=
+                            tolerance) {
+                    // Do not define (doesOverlap = true) since more matches can occur within the same segment
+                    // doesOverlaps = true;
+                    if (overlapSegment)
+                        overlapSegment = concatSegment(overlapSegment, match);
+                    else
+                        overlapSegment = match;
+                }
+            }
+        });
+        // Segment doesn't overlap - add overlaps to results & reset
+        if (doesOverlaps === false && overlapSegment) {
+            features.push(overlapSegment);
+            overlapSegment = undefined;
+        }
+    });
+    // Add last segment if exists
+    if (overlapSegment)
+        features.push(overlapSegment);
+    return helpers_1.featureCollection(features);
+}
+/**
+ * Concat Segment
+ *
+ * @private
+ * @param {Feature<LineString>} line LineString
+ * @param {Feature<LineString>} segment 2-vertex LineString
+ * @returns {Feature<LineString>} concat linestring
+ */
+function concatSegment(line, segment) {
+    var coords = invariant_1.getCoords(segment);
+    var lineCoords = invariant_1.getCoords(line);
+    var start = lineCoords[0];
+    var end = lineCoords[lineCoords.length - 1];
+    var geom = line.geometry.coordinates;
+    if (deep_equal_1.default(coords[0], start))
+        geom.unshift(coords[1]);
+    else if (deep_equal_1.default(coords[0], end))
+        geom.push(coords[1]);
+    else if (deep_equal_1.default(coords[1], start))
+        geom.unshift(coords[0]);
+    else if (deep_equal_1.default(coords[1], end))
+        geom.push(coords[0]);
+    return line;
+}
+exports.default = lineOverlap;

frontend/node_modules/@turf/line-overlap/package.json

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+{
+  "name": "@turf/line-overlap",
+  "version": "6.5.0",
+  "description": "turf line-overlap module",
+  "author": "Turf Authors",
+  "contributors": [
+    "Denis Carriere <@DenisCarriere>"
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Turfjs/turf/issues"
+  },
+  "homepage": "https://github.com/Turfjs/turf",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/Turfjs/turf.git"
+  },
+  "funding": "https://opencollective.com/turf",
+  "publishConfig": {
+    "access": "public"
+  },
+  "keywords": [
+    "turf",
+    "geojson",
+    "gis",
+    "line",
+    "overlap"
+  ],
+  "main": "dist/js/index.js",
+  "module": "dist/es/index.js",
+  "exports": {
+    "./package.json": "./package.json",
+    ".": {
+      "import": "./dist/es/index.js",
+      "require": "./dist/js/index.js"
+    }
+  },
+  "types": "dist/js/index.d.ts",
+  "sideEffects": false,
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "bench": "ts-node bench.js",
+    "build": "npm-run-all build:*",
+    "build:es": "tsc --outDir dist/es --module esnext --declaration false && echo '{\"type\":\"module\"}' > dist/es/package.json",
+    "build:js": "tsc",
+    "docs": "node ../../scripts/generate-readmes",
+    "test": "npm-run-all test:*",
+    "test:tape": "ts-node -r esm test.js",
+    "test:types": "tsc --esModuleInterop --noEmit types.ts"
+  },
+  "devDependencies": {
+    "@types/deep-equal": "^1.0.1",
+    "@types/tape": "*",
+    "benchmark": "*",
+    "load-json-file": "*",
+    "npm-run-all": "*",
+    "tape": "*",
+    "ts-node": "*",
+    "tslint": "*",
+    "typescript": "*",
+    "write-json-file": "*"
+  },
+  "dependencies": {
+    "@turf/boolean-point-on-line": "^6.5.0",
+    "@turf/helpers": "^6.5.0",
+    "@turf/invariant": "^6.5.0",
+    "@turf/line-segment": "^6.5.0",
+    "@turf/meta": "^6.5.0",
+    "@turf/nearest-point-on-line": "^6.5.0",
+    "deep-equal": "1.x",
+    "geojson-rbush": "3.x"
+  },
+  "gitHead": "5375941072b90d489389db22b43bfe809d5e451e"
+}