test: add check types

Author: nikku

package-lock.json

@@ -13,10 +13,11 @@
     "./package.json": "./package.json"
   },
   "scripts": {
-    "all": "run-s lint test",
+    "all": "run-s lint check-types test",
     "lint": "eslint .",
     "dev": "npm test -- --auto-watch --no-single-run",
-    "test": "karma start karma.conf.cjs"
+    "test": "karma start karma.conf.cjs",
+    "check-types": "tsc --noEmit"
   },
   "engines": {
     "node": ">= 14.20"
@@ -36,6 +37,9 @@
   },
   "license": "MIT",
   "devDependencies": {
+    "@types/chai": "^4.3.12",
+    "@types/karma-chai": "^0.1.6",
+    "@types/mocha": "^10.0.6",
     "chai": "^4.4.1",
     "domify": "^2.0.0",
     "eslint": "^8.55.0",
@@ -51,6 +55,7 @@
     "puppeteer": "^22.4.1",
     "sinon": "^17.0.1",
     "sinon-chai": "^3.7.0",
+    "typescript": "^5.4.2",
     "webpack": "^5.90.3"
   },
   "files": [

package.json

@@ -390,13 +390,13 @@ function debug(label, pathArray, intersectionsArray, fail) {
     '</g>' +
   '</svg>';
 
-  var svgNode = domify(svg);
+  var svgNode = /** @type {SVGElement} */ (domify(svg));
 
   // show debug SVG
   document.body.appendChild(svgNode);
 
   // center visible elements group
-  var group = svgNode.querySelector('g');
+  var group = /** @type {SVGGElement} */ (svgNode.querySelector('g'));
 
   var bbox = group.getBBox();
 

test/intersect.spec.js

@@ -0,0 +1,39 @@
+import intersect from 'path-intersection';
+
+import domify from 'domify';
+
+
+describe('path-intersection', function() {
+
+  describe('api', function() {
+
+    var p1 = [ [ 'M', 0, 0 ], [ 'L', 100, 100 ] ];
+    var p2 = 'M0,100L100,0';
+
+
+    it('should support SVG path and component args', function() {
+
+      // when
+      const intersections = intersect(p1, p2);
+
+      // then
+      expect(intersections).to.have.length(1);
+
+      // and then
+      const [ intersection ] = intersections;
+
+      expect(intersection).to.have.keys([
+        'segment1',
+        'segment2',
+        'x',
+        'y',
+        'bez1',
+        'bez2',
+        't1',
+        't2'
+      ]);
+    });
+
+  });
+
+});

test/intersect.spec.ts

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "module": "Node16",
+    "moduleResolution": "Node16",
+    "checkJs": true,
+    "noImplicitAny": false
+  },
+  "include": [
+    "test"
+  ]
+}