router: popstate events are broken with empty routes ('')

[MercinaM]

router: popstate events are broken with empty routes ('')

[Sayan751]

@aegenet Would you be interested in submitting a PR with the fix?

[aegenet]

Hello, until a fix is released, you can apply a "dirty" patch to Aurelia 2 using patch-package if you'd like. Use the following patch file:

./patches/@aurelia+router+2.0.0-beta.8.patch

diff --git a/node_modules/@aurelia/router/dist/esm/index.dev.mjs b/node_modules/@aurelia/router/dist/esm/index.dev.mjs
index 4d4a3b6..718e4e4 100644
--- a/node_modules/@aurelia/router/dist/esm/index.dev.mjs
+++ b/node_modules/@aurelia/router/dist/esm/index.dev.mjs
@@ -4978,6 +4978,10 @@ let Navigator = class Navigator {
         storeable.instruction = RoutingInstruction.stringify(this.container, storeable.instruction);
         // Make sure full state instruction is a string
         storeable.fullStateInstruction = RoutingInstruction.stringify(this.container, storeable.fullStateInstruction, false, true);
+        if (storeable.fullStateInstruction === '-' && (typeof navigation.fullStateInstruction === 'string' ? navigation.fullStateInstruction === '' : navigation.fullStateInstruction?.find(f => f.route?.matching === ''))) {
+            // '-' is ignored in the lifecycle...
+            storeable.fullStateInstruction = '';
+        }
         // Only string scopes can be stored
         if (typeof storeable.scope !== 'string') {
             storeable.scope = null;
diff --git a/node_modules/@aurelia/router/dist/esm/index.mjs b/node_modules/@aurelia/router/dist/esm/index.mjs
index cb8937c..809f965 100644
--- a/node_modules/@aurelia/router/dist/esm/index.mjs
+++ b/node_modules/@aurelia/router/dist/esm/index.mjs
@@ -3163,6 +3163,10 @@ let k = class Navigator {
         const i = t instanceof Navigation ? t.toStoredNavigation() : t;
         i.instruction = RoutingInstruction.stringify(this.container, i.instruction);
         i.fullStateInstruction = RoutingInstruction.stringify(this.container, i.fullStateInstruction, false, true);
+        if (i.fullStateInstruction === '-' && (typeof t.fullStateInstruction === 'string' ? t.fullStateInstruction === '' : t.fullStateInstruction?.find(f => f.route?.matching === ''))) {
+            // '-' is ignored in the lifecycle...
+            i.fullStateInstruction = '';
+        }
         if (typeof i.scope !== "string") {
             i.scope = null;
         }