Add support for history version 5

Closes #12
Closes #13

package.json

@@ -4,7 +4,7 @@
   "devDependencies": {
     "@types/history": "^4.7.8",
     "@types/jasmine": "^3.5.14",
-    "history": "^4.10.1",
+    "history": "^5.0.0",
     "jasmine-core": "^3.6.0",
     "karma": "^5.2.3",
     "karma-chrome-launcher": "^3.1.0",
@@ -33,12 +33,14 @@
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "name": "scroll-to-fragment",
-  "peerDependencies": {},
+  "peerDependencies": {
+    "history": "4 || 5"
+  },
   "repository": "github:Scrivito/scroll-to-fragment",
   "scripts": {
     "prepare": "rm -rf dist/* && npm test && tsc --build",
     "test": "karma start --single-run",
     "watch": "karma start"
   },
-  "version": "1.0.8"
+  "version": "1.0.9"
 }

src/index.ts

@@ -59,11 +59,16 @@ function removeStopListener(eventName: string) {
   document.removeEventListener(eventName, stopObserving);
 }
 
+function handleHistoryPush(update: History.Update): void; // history version 5
 function handleHistoryPush(
-  _location: History.Location,
+  location: History.Location,
   action: History.Action
+): void; // history version 4
+function handleHistoryPush(
+  update: History.Update & History.Location,
+  action?: History.Action
 ) {
-  if (action === "PUSH") startObserving();
+  if ("PUSH" === (action || update.action)) startObserving();
 }
 
 function handleDocumentClick(event: Event) {
@@ -107,7 +112,7 @@ function throttle(callback: () => void) {
 }
 
 let currentOptions: Readonly<Options>;
-let unlistenHistory: History.UnregisterCallback | undefined;
+let unlistenHistory: () => void | undefined;
 let documentObserver: MutationObserver | undefined;
 let observeTimeout: number | undefined;
 let throttleRequestId: number | undefined;