Update turf-kinks to typescript

packages/turf-kinks/bench.js

@@ -1,8 +1,8 @@
-import fs from 'fs';
-import path from 'path';
-import load from 'load-json-file';
-import Benchmark from 'benchmark';
-import kinks from './';
+const fs = require('fs');
+const path = require('path');
+const load = require('load-json-file');
+const Benchmark = require('benchmark');
+const kinks = require('./').default;
 
 const suite = new Benchmark.Suite('turf-kinks');
 

packages/turf-kinks/index.d.ts

@@ -1,16 +1,24 @@
-import {
-    LineString,
-    MultiLineString,
-    Polygon,
-    MultiPolygon,
-    Point,
-    FeatureCollection,
-    Feature
-} from '@turf/helpers'
-
+import { Feature, FeatureCollection, LineString, MultiLineString, MultiPolygon, Point, Polygon } from "@turf/helpers";
 /**
- * http://turfjs.org/docs/#kinks
+ * Takes a {@link LineString|linestring}, {@link MultiLineString|multi-linestring},
+ * {@link MultiPolygon|multi-polygon} or {@link Polygon|polygon} and
+ * returns {@link Point|points} at all self-intersections.
+ *
+ * @name kinks
+ * @param {Feature<LineString|MultiLineString|MultiPolygon|Polygon>} featureIn input feature
+ * @returns {FeatureCollection<Point>} self-intersections
+ * @example
+ * var poly = turf.polygon([[
+ *   [-12.034835, 8.901183],
+ *   [-12.060413, 8.899826],
+ *   [-12.03638, 8.873199],
+ *   [-12.059383, 8.871418],
+ *   [-12.034835, 8.901183]
+ * ]]);
+ *
+ * var kinks = turf.kinks(poly);
+ *
+ * //addToMap
+ * var addToMap = [poly, kinks]
  */
-export default function kinks<T extends LineString | MultiLineString | Polygon | MultiPolygon>(
-    featureIn: Feature<T> | T
-): FeatureCollection<Point>;
+export default function kinks<T extends LineString | MultiLineString | Polygon | MultiPolygon>(featureIn: Feature<T> | T): FeatureCollection<Point>;

packages/turf-kinks/index.js → packages/turf-kinks/index.ts

@@ -1,7 +1,18 @@
-import { point } from '@turf/helpers';
+import { point } from "@turf/helpers";
+import {
+    Feature,
+    FeatureCollection,
+    LineString,
+    MultiLineString,
+    MultiPolygon,
+    Point,
+    Polygon,
+} from "@turf/helpers";
 
 /**
- * Takes a {@link LineString|linestring}, {@link MultiLineString|multi-linestring}, {@link MultiPolygon|multi-polygon}, or {@link Polygon|polygon} and returns {@link Point|points} at all self-intersections.
+ * Takes a {@link LineString|linestring}, {@link MultiLineString|multi-linestring},
+ * {@link MultiPolygon|multi-polygon} or {@link Polygon|polygon} and
+ * returns {@link Point|points} at all self-intersections.
  *
  * @name kinks
  * @param {Feature<LineString|MultiLineString|MultiPolygon|Polygon>} featureIn input feature
@@ -20,35 +31,38 @@ import { point } from '@turf/helpers';
  * //addToMap
  * var addToMap = [poly, kinks]
  */
-function kinks(featureIn) {
-    var coordinates;
-    var feature;
-    var results = {
-        type: 'FeatureCollection',
-        features: []
+export default function kinks<T extends LineString | MultiLineString | Polygon | MultiPolygon>(
+    featureIn: Feature<T> | T,
+): FeatureCollection<Point> {
+    let coordinates: any;
+    let feature: any;
+    const results: FeatureCollection<Point> = {
+        type: "FeatureCollection",
+        features: [],
     };
-    if (featureIn.type === 'Feature') {
+    if (featureIn.type === "Feature") {
         feature = featureIn.geometry;
     } else {
         feature = featureIn;
     }
-    if (feature.type === 'LineString') {
+    if (feature.type === "LineString") {
         coordinates = [feature.coordinates];
-    } else if (feature.type === 'MultiLineString') {
+    } else if (feature.type === "MultiLineString") {
         coordinates = feature.coordinates;
-    } else if (feature.type === 'MultiPolygon') {
+    } else if (feature.type === "MultiPolygon") {
         coordinates = [].concat.apply([], feature.coordinates);
-    } else if (feature.type === 'Polygon') {
+    } else if (feature.type === "Polygon") {
         coordinates = feature.coordinates;
     } else {
-        throw new Error('Input must be a LineString, MultiLineString, ' +
-            'Polygon, or MultiPolygon Feature or Geometry');
+        throw new Error("Input must be a LineString, MultiLineString, " +
+            "Polygon, or MultiPolygon Feature or Geometry");
     }
-    coordinates.forEach(function (line1) {
-        coordinates.forEach(function (line2) {
-            for (var i = 0; i < line1.length - 1; i++) {
-                // start iteration at i, intersections for k < i have already been checked in previous outer loop iterations
-                for (var k = i; k < line2.length - 1; k++) {
+    coordinates.forEach((line1: any) => {
+        coordinates.forEach((line2: any) => {
+            for (let i = 0; i < line1.length - 1; i++) {
+                // start iteration at i, intersections for k < i have already
+                // been checked in previous outer loop iterations
+                for (let k = i; k < line2.length - 1; k++) {
                     if (line1 === line2) {
                         // segments are adjacent and always share a vertex, not a kink
                         if (Math.abs(i - k) === 1) {
@@ -67,7 +81,7 @@ function kinks(featureIn) {
                         }
                     }
 
-                    var intersection = lineIntersects(line1[i][0], line1[i][1], line1[i + 1][0], line1[i + 1][1],
+                    const intersection: any = lineIntersects(line1[i][0], line1[i][1], line1[i + 1][0], line1[i + 1][1],
                         line2[k][0], line2[k][1], line2[k + 1][0], line2[k + 1][1]);
                     if (intersection) {
                         results.features.push(point([intersection[0], intersection[1]]));
@@ -79,16 +93,29 @@ function kinks(featureIn) {
     return results;
 }
 
-
 // modified from http://jsfiddle.net/justin_c_rounds/Gd2S2/light/
-function lineIntersects(line1StartX, line1StartY, line1EndX, line1EndY, line2StartX, line2StartY, line2EndX, line2EndY) {
-    // if the lines intersect, the result contains the x and y of the intersection (treating the lines as infinite) and booleans for whether line segment 1 or line segment 2 contain the point
-    var denominator, a, b, numerator1, numerator2,
-        result = {
+function lineIntersects(
+    line1StartX: any,
+    line1StartY: any,
+    line1EndX: any,
+    line1EndY: any,
+    line2StartX: any,
+    line2StartY: any,
+    line2EndX: any,
+    line2EndY: any) {
+    // if the lines intersect, the result contains the x and y of the
+    // intersection (treating the lines as infinite) and booleans for whether
+    // line segment 1 or line segment 2 contain the point
+    let denominator;
+    let a;
+    let b;
+    let numerator1;
+    let numerator2;
+    const result = {
             x: null,
             y: null,
             onLine1: false,
-            onLine2: false
+            onLine2: false,
         };
     denominator = ((line2EndY - line2StartY) * (line1EndX - line1StartX)) - ((line2EndX - line2StartX) * (line1EndY - line1StartY));
     if (denominator === 0) {
@@ -124,5 +151,3 @@ function lineIntersects(line1StartX, line1StartY, line1EndX, line1EndY, line2Sta
         return false;
     }
 }
-
-export default kinks;

packages/turf-kinks/package.json

@@ -1,22 +1,19 @@
 
 {
   "name": "@turf/kinks",
-  "version": "5.1.5",
+  "version": "6.0.0",
   "description": "turf kinks module",
-  "main": "main.js",
-  "module": "main.es.js",
+  "main": "index",
   "types": "index.d.ts",
   "files": [
     "index.js",
-    "index.d.ts",
-    "main.js",
-    "main.es.js"
+    "index.d.ts"
   ],
   "scripts": {
-    "pretest": "rollup -c ../../rollup.config.js",
-    "test": "node -r @std/esm test.js",
-    "posttest": "node -r @std/esm ../../scripts/validate-es5-dependencies.js",
-    "bench": "node -r @std/esm bench.js",
+    "prepare": "tsc",
+    "pretest": "tsc",
+    "test": "node test.js",
+    "bench": "node bench.js",
     "docs": "node ../../scripts/generate-readmes"
   },
   "repository": {
@@ -35,19 +32,14 @@
   },
   "homepage": "https://github.com/Turfjs/turf",
   "devDependencies": {
-    "@std/esm": "*",
-    "@turf/meta": "6.x",
+    "@turf/meta": "*",
     "benchmark": "*",
     "load-json-file": "*",
-    "rollup": "*",
+    "typescript": "*",
     "tape": "*",
     "write-json-file": "*"
   },
   "dependencies": {
     "@turf/helpers": "6.x"
-  },
-  "@std/esm": {
-    "esm": "js",
-    "cjs": true
   }
 }

packages/turf-kinks/test.js

@@ -1,10 +1,10 @@
-import test from 'tape';
-import fs from 'fs';
-import path from 'path';
-import load from 'load-json-file';
-import write from 'write-json-file';
-import { featureEach } from '@turf/meta';
-import kinks from '.';
+const test = require('tape');
+const fs = require('fs');
+const path = require('path');
+const load = require('load-json-file');
+const write = require('write-json-file');
+const { featureEach } = require('@turf/meta');
+const kinks = require('.').default;
 
 const directories = {
     in: path.join(__dirname, 'test', 'in') + path.sep,

packages/turf-kinks/tsconfig.json

@@ -0,0 +1,17 @@
+{
+    "compilerOptions": {
+        /* Basic Options */
+        "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
+        "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
+        "declaration": true,                      /* Generates corresponding '.d.ts' file. */
+
+        /* Strict Type-Checking Options */
+        "strict": true,                           /* Enable all strict type-checking options. */
+
+        /* Module Resolution Options */
+        "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    },
+    "files": [
+        "index.ts"
+    ]
+}

packages/turf-kinks/tslint.json

@@ -0,0 +1,12 @@
+{
+    "defaultSeverity": "error",
+    "extends": [
+        "tslint:recommended"
+    ],
+    "jsRules": {},
+    "rules": {
+        "object-literal-sort-keys": false,
+        "max-line-length": false
+    },
+    "rulesDirectory": []
+}