Reimplement the core without Sets, Maps, etc.

.changeset/heavy-turkeys-relate.md

@@ -0,0 +1,5 @@
+---
+"@preact/signals-core": minor
+---
+
+Add support for auto-disposing nested effects

.changeset/shiny-jars-invite.md

@@ -0,0 +1,7 @@
+---
+"@preact/signals-core": patch
+"@preact/signals": patch
+"@preact/signals-react": patch
+---
+
+Remove all usages of `Set`, `Map` and other allocation heavy objects in signals-core. This substaintially increases performance across all measurements.

mangle.json

@@ -24,17 +24,36 @@
   "props": {
     "cname": 6,
     "props": {
-      "$_value": "_v",
-      "$_deps": "_d",
-      "$_subs": "_s",
-      "$_pending": "_p",
-      "$_updater": "_u",
-      "$_setCurrent": "_",
-      "$_activate": "_a",
-      "$_isComputing": "_c",
-      "$_readonly": "_r",
-      "$_requiresUpdate": "_q",
-      "$_props": "__"
+      "core: Node": "",
+      "$_source": "s",
+      "$_prevSource": "p",
+      "$_nextSource": "n",
+      "$_target": "t",
+      "$_prevTarget": "e",
+      "$_nextTarget": "x",
+      "$_rollbackNode": "r",
+      "core: Signal": "",
+      "$_value": "v",
+      "$_node": "n",
+      "$_targets": "t",
+      "core: Computed": "",
+      "$_compute": "v",
+      "$_globalVersion": "g",
+      "core: Effect": "",
+      "$_callback": "c",
+      "$_nextEffect": "e",
+      "$_start": "S",
+      "$_dispose": "d",
+      "core: Computed+Effect": "",
+      "$_sources": "s",
+      "$_notify": "N",
+      "core: Signal+Node+Computed+Effect": "",
+      "$_flags": "f",
+      "$_version": "i",
+      "$_subscribe": "S",
+      "$_unsubscribe": "U",
+      "preact": "",
+      "$_updaters": "U"
     }
   }
 }