Merge branch 'splatReactions'

package.json

@@ -29,11 +29,13 @@
     },
     "homepage": "https://github.com/yanick/updux#readme",
     "devDependencies": {
+        "@vitest/browser": "^0.23.1",
+        "@vitest/ui": "^0.23.1",
         "eslint": "^8.22.0",
         "eslint-plugin-no-only-tests": "^3.0.0",
         "eslint-plugin-todo-plz": "^1.2.1",
         "jsdoc-to-markdown": "^7.1.1",
         "prettier": "^2.7.1",
-        "vitest": "^0.22.1"
+        "vitest": "0.23.1"
     }
 }

pnpm-lock.yaml

@@ -1,6 +1,8 @@
 lockfileVersion: 5.4
 
 specifiers:
+  '@vitest/browser': ^0.23.1
+  '@vitest/ui': ^0.23.1
   eslint: ^8.22.0
   eslint-plugin-no-only-tests: ^3.0.0
   eslint-plugin-todo-plz: ^1.2.1
@@ -11,7 +13,7 @@ specifiers:
   redux: ^4.2.0
   remeda: ^1.0.1
   updeep: ^1.2.1
-  vitest: ^0.22.1
+  vitest: 0.23.1
 
 dependencies:
   immer: 9.0.15
@@ -21,12 +23,14 @@ dependencies:
   updeep: 1.2.1
 
 devDependencies:
+  '@vitest/browser': 0.23.1
+  '@vitest/ui': 0.23.1
   eslint: 8.22.0
   eslint-plugin-no-only-tests: 3.0.0
   eslint-plugin-todo-plz: 1.2.1_eslint@8.22.0
   jsdoc-to-markdown: 7.1.1
   prettier: 2.7.1
-  vitest: 0.22.1
+  vitest: 0.23.1_kkczkm7y7wgspdnr2rpymavxge
 
 packages:
 
@@ -73,6 +77,15 @@ packages:
     dev: true
     optional: true
 
+  /@esbuild/linux-loong64/0.15.7:
+    resolution: {integrity: sha512-IKznSJOsVUuyt7cDzzSZyqBEcZe+7WlBqTVXiF1OXP/4Nm387ToaXZ0fyLwI1iBlI/bzpxVq411QE2/Bt2XWWw==}
+    engines: {node: '>=12'}
+    cpu: [loong64]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /@eslint/eslintrc/1.3.0:
     resolution: {integrity: sha512-UWW0TMTmk2d7hLcWD1/e2g5HDM/HQ3csaLSqXCfqwh4uNDuNqlaKWXmEsL4Cs41Z0KnILNvwbHAah3C2yt06kw==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
@@ -109,6 +122,10 @@ packages:
     resolution: {integrity: sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==}
     dev: true
 
+  /@jspm/core/2.0.0-beta.24:
+    resolution: {integrity: sha512-a4Bo/80Z6CoJNor5ldgs6002utmmbttP4JYd/FJ0Ob2fVdf6O6ha5SORBCqrnDnBvMc1TlrHY7dCfat5+H0a6A==}
+    dev: true
+
   /@nodelib/fs.scandir/2.1.5:
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
     engines: {node: '>= 8'}
@@ -130,6 +147,33 @@ packages:
       fastq: 1.13.0
     dev: true
 
+  /@polka/url/1.0.0-next.21:
+    resolution: {integrity: sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g==}
+    dev: true
+
+  /@rollup/plugin-inject/4.0.4_rollup@2.77.3:
+    resolution: {integrity: sha512-4pbcU4J/nS+zuHk+c+OL3WtmEQhqxlZ9uqfjQMQDOHOPld7PsCd8k5LWs8h5wjwJN7MgnAn768F2sDxEP4eNFQ==}
+    peerDependencies:
+      rollup: ^1.20.0 || ^2.0.0
+    dependencies:
+      '@rollup/pluginutils': 3.1.0_rollup@2.77.3
+      estree-walker: 2.0.2
+      magic-string: 0.25.9
+      rollup: 2.77.3
+    dev: true
+
+  /@rollup/pluginutils/3.1.0_rollup@2.77.3:
+    resolution: {integrity: sha512-GksZ6pr6TpIjHm8h9lSQ8pi8BE9VeubNT0OMJ3B5uZJ8pz73NPiqOtCog/x2/QzM1ENChPKxMDhiQuRHsqc+lg==}
+    engines: {node: '>= 8.0.0'}
+    peerDependencies:
+      rollup: ^1.20.0||^2.0.0
+    dependencies:
+      '@types/estree': 0.0.39
+      estree-walker: 1.0.1
+      picomatch: 2.3.1
+      rollup: 2.77.3
+    dev: true
+
   /@types/chai-subset/1.3.3:
     resolution: {integrity: sha512-frBecisrNGz+F4T6bcc+NLeolfiojh5FxW2klu669+8BARtyQv2C/GkNW6FUodVe4BroGMP/wER/YDGc7rEllw==}
     dependencies:
@@ -140,6 +184,10 @@ packages:
     resolution: {integrity: sha512-hC7OMnszpxhZPduX+m+nrx+uFoLkWOMiR4oa/AZF3MuSETYTZmFfJAHqZEM8MVlvfG7BEUcgvtwoCTxBp6hm3g==}
     dev: true
 
+  /@types/estree/0.0.39:
+    resolution: {integrity: sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==}
+    dev: true
+
   /@types/linkify-it/3.0.2:
     resolution: {integrity: sha512-HZQYqbiFVWufzCwexrvh694SOim8z2d+xJl5UNamcvQFejLY/2YUtzXHYi3cHdI7PMlS8ejH2slRAOJQ32aNbA==}
     dev: true
@@ -155,8 +203,24 @@ packages:
     resolution: {integrity: sha512-eC4U9MlIcu2q0KQmXszyn5Akca/0jrQmwDRgpAMJai7qBWq4amIQhZyNau4VYGtCeALvW1/NtjzJJ567aZxfKA==}
     dev: true
 
-  /@types/node/18.7.13:
+  /@types/node/18.7.15:
-    resolution: {integrity: sha512-46yIhxSe5xEaJZXWdIBP7GU4HDTG8/eo0qd9atdiL+lFpA03y8KS+lkTN834TWJj5767GbWv4n/P6efyTFt1Dw==}
+    resolution: {integrity: sha512-XnjpaI8Bgc3eBag2Aw4t2Uj/49lLBSStHWfqKvIuXD7FIrZyMLWp8KuAFHAqxMZYTF9l08N1ctUn9YNybZJVmQ==}
+    dev: true
+
+  /@vitest/browser/0.23.1:
+    resolution: {integrity: sha512-8QLrMSlBjiRLbANid/hPmtkYViyuxLgqt1jCXvD6dnBIhghdxu5uZyg0x7xUPzDQDNts+9o+yq1WPDZbar7KNg==}
+    dependencies:
+      local-pkg: 0.4.2
+      mlly: 0.5.14
+      modern-node-polyfills: 0.0.9
+      rollup-plugin-node-polyfills: 0.2.1
+      sirv: 2.0.2
+    dev: true
+
+  /@vitest/ui/0.23.1:
+    resolution: {integrity: sha512-W1ygPK4aTyLTPsf6NX3gZFbH0X1ipNzlHhxTRnZ4/HpQXs/qKw5NDY45/U2yC66Fevj5kXHI1tdrNfN00NouFQ==}
+    dependencies:
+      sirv: 2.0.2
     dev: true
 
   /acorn-jsx/5.3.2_acorn@8.8.0:
@@ -463,6 +527,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-android-64/0.15.7:
+    resolution: {integrity: sha512-p7rCvdsldhxQr3YHxptf1Jcd86dlhvc3EQmQJaZzzuAxefO9PvcI0GLOa5nCWem1AJ8iMRu9w0r5TG8pHmbi9w==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [android]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-android-arm64/0.14.54:
     resolution: {integrity: sha512-F9E+/QDi9sSkLaClO8SOV6etqPd+5DgJje1F9lOWoNncDdOBL2YF59IhsWATSt0TLZbYCf3pNlTHvVV5VfHdvg==}
     engines: {node: '>=12'}
@@ -472,6 +545,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-android-arm64/0.15.7:
+    resolution: {integrity: sha512-L775l9ynJT7rVqRM5vo+9w5g2ysbOCfsdLV4CWanTZ1k/9Jb3IYlQ06VCI1edhcosTYJRECQFJa3eAvkx72eyQ==}
+    engines: {node: '>=12'}
+    cpu: [arm64]
+    os: [android]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-darwin-64/0.14.54:
     resolution: {integrity: sha512-jtdKWV3nBviOd5v4hOpkVmpxsBy90CGzebpbO9beiqUYVMBtSc0AL9zGftFuBon7PNDcdvNCEuQqw2x0wP9yug==}
     engines: {node: '>=12'}
@@ -481,6 +563,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-darwin-64/0.15.7:
+    resolution: {integrity: sha512-KGPt3r1c9ww009t2xLB6Vk0YyNOXh7hbjZ3EecHoVDxgtbUlYstMPDaReimKe6eOEfyY4hBEEeTvKwPsiH5WZg==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [darwin]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-darwin-arm64/0.14.54:
     resolution: {integrity: sha512-OPafJHD2oUPyvJMrsCvDGkRrVCar5aVyHfWGQzY1dWnzErjrDuSETxwA2HSsyg2jORLY8yBfzc1MIpUkXlctmw==}
     engines: {node: '>=12'}
@@ -490,6 +581,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-darwin-arm64/0.15.7:
+    resolution: {integrity: sha512-kBIHvtVqbSGajN88lYMnR3aIleH3ABZLLFLxwL2stiuIGAjGlQW741NxVTpUHQXUmPzxi6POqc9npkXa8AcSZQ==}
+    engines: {node: '>=12'}
+    cpu: [arm64]
+    os: [darwin]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-freebsd-64/0.14.54:
     resolution: {integrity: sha512-OKwd4gmwHqOTp4mOGZKe/XUlbDJ4Q9TjX0hMPIDBUWWu/kwhBAudJdBoxnjNf9ocIB6GN6CPowYpR/hRCbSYAg==}
     engines: {node: '>=12'}
@@ -499,6 +599,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-freebsd-64/0.15.7:
+    resolution: {integrity: sha512-hESZB91qDLV5MEwNxzMxPfbjAhOmtfsr9Wnuci7pY6TtEh4UDuevmGmkUIjX/b+e/k4tcNBMf7SRQ2mdNuK/HQ==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [freebsd]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-freebsd-arm64/0.14.54:
     resolution: {integrity: sha512-sFwueGr7OvIFiQT6WeG0jRLjkjdqWWSrfbVwZp8iMP+8UHEHRBvlaxL6IuKNDwAozNUmbb8nIMXa7oAOARGs1Q==}
     engines: {node: '>=12'}
@@ -508,6 +617,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-freebsd-arm64/0.15.7:
+    resolution: {integrity: sha512-dLFR0ChH5t+b3J8w0fVKGvtwSLWCv7GYT2Y2jFGulF1L5HftQLzVGN+6pi1SivuiVSmTh28FwUhi9PwQicXI6Q==}
+    engines: {node: '>=12'}
+    cpu: [arm64]
+    os: [freebsd]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-32/0.14.54:
     resolution: {integrity: sha512-1ZuY+JDI//WmklKlBgJnglpUL1owm2OX+8E1syCD6UAxcMM/XoWd76OHSjl/0MR0LisSAXDqgjT3uJqT67O3qw==}
     engines: {node: '>=12'}
@@ -517,6 +635,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-32/0.15.7:
+    resolution: {integrity: sha512-v3gT/LsONGUZcjbt2swrMjwxo32NJzk+7sAgtxhGx1+ZmOFaTRXBAi1PPfgpeo/J//Un2jIKm/I+qqeo4caJvg==}
+    engines: {node: '>=12'}
+    cpu: [ia32]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-64/0.14.54:
     resolution: {integrity: sha512-EgjAgH5HwTbtNsTqQOXWApBaPVdDn7XcK+/PtJwZLT1UmpLoznPd8c5CxqsH2dQK3j05YsB3L17T8vE7cp4cCg==}
     engines: {node: '>=12'}
@@ -526,6 +653,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-64/0.15.7:
+    resolution: {integrity: sha512-LxXEfLAKwOVmm1yecpMmWERBshl+Kv5YJ/1KnyAr6HRHFW8cxOEsEfisD3sVl/RvHyW//lhYUVSuy9jGEfIRAQ==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-arm/0.14.54:
     resolution: {integrity: sha512-qqz/SjemQhVMTnvcLGoLOdFpCYbz4v4fUo+TfsWG+1aOu70/80RV6bgNpR2JCrppV2moUQkww+6bWxXRL9YMGw==}
     engines: {node: '>=12'}
@@ -535,6 +671,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-arm/0.15.7:
+    resolution: {integrity: sha512-JKgAHtMR5f75wJTeuNQbyznZZa+pjiUHV7sRZp42UNdyXC6TiUYMW/8z8yIBAr2Fpad8hM1royZKQisqPABPvQ==}
+    engines: {node: '>=12'}
+    cpu: [arm]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-arm64/0.14.54:
     resolution: {integrity: sha512-WL71L+0Rwv+Gv/HTmxTEmpv0UgmxYa5ftZILVi2QmZBgX3q7+tDeOQNqGtdXSdsL8TQi1vIaVFHUPDe0O0kdig==}
     engines: {node: '>=12'}
@@ -544,6 +689,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-arm64/0.15.7:
+    resolution: {integrity: sha512-P3cfhudpzWDkglutWgXcT2S7Ft7o2e3YDMrP1n0z2dlbUZghUkKCyaWw0zhp4KxEEzt/E7lmrtRu/pGWnwb9vw==}
+    engines: {node: '>=12'}
+    cpu: [arm64]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-mips64le/0.14.54:
     resolution: {integrity: sha512-qTHGQB8D1etd0u1+sB6p0ikLKRVuCWhYQhAHRPkO+OF3I/iSlTKNNS0Lh2Oc0g0UFGguaFZZiPJdJey3AGpAlw==}
     engines: {node: '>=12'}
@@ -553,6 +707,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-mips64le/0.15.7:
+    resolution: {integrity: sha512-T7XKuxl0VpeFLCJXub6U+iybiqh0kM/bWOTb4qcPyDDwNVhLUiPcGdG2/0S7F93czUZOKP57YiLV8YQewgLHKw==}
+    engines: {node: '>=12'}
+    cpu: [mips64el]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-ppc64le/0.14.54:
     resolution: {integrity: sha512-j3OMlzHiqwZBDPRCDFKcx595XVfOfOnv68Ax3U4UKZ3MTYQB5Yz3X1mn5GnodEVYzhtZgxEBidLWeIs8FDSfrQ==}
     engines: {node: '>=12'}
@@ -562,6 +725,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-ppc64le/0.15.7:
+    resolution: {integrity: sha512-6mGuC19WpFN7NYbecMIJjeQgvDb5aMuvyk0PDYBJrqAEMkTwg3Z98kEKuCm6THHRnrgsdr7bp4SruSAxEM4eJw==}
+    engines: {node: '>=12'}
+    cpu: [ppc64]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-riscv64/0.14.54:
     resolution: {integrity: sha512-y7Vt7Wl9dkOGZjxQZnDAqqn+XOqFD7IMWiewY5SPlNlzMX39ocPQlOaoxvT4FllA5viyV26/QzHtvTjVNOxHZg==}
     engines: {node: '>=12'}
@@ -571,6 +743,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-riscv64/0.15.7:
+    resolution: {integrity: sha512-uUJsezbswAYo/X7OU/P+PuL/EI9WzxsEQXDekfwpQ23uGiooxqoLFAPmXPcRAt941vjlY9jtITEEikWMBr+F/g==}
+    engines: {node: '>=12'}
+    cpu: [riscv64]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-linux-s390x/0.14.54:
     resolution: {integrity: sha512-zaHpW9dziAsi7lRcyV4r8dhfG1qBidQWUXweUjnw+lliChJqQr+6XD71K41oEIC3Mx1KStovEmlzm+MkGZHnHA==}
     engines: {node: '>=12'}
@@ -580,6 +761,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-linux-s390x/0.15.7:
+    resolution: {integrity: sha512-+tO+xOyTNMc34rXlSxK7aCwJgvQyffqEM5MMdNDEeMU3ss0S6wKvbBOQfgd5jRPblfwJ6b+bKiz0g5nABpY0QQ==}
+    engines: {node: '>=12'}
+    cpu: [s390x]
+    os: [linux]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-netbsd-64/0.14.54:
     resolution: {integrity: sha512-PR01lmIMnfJTgeU9VJTDY9ZerDWVFIUzAtJuDHwwceppW7cQWjBBqP48NdeRtoP04/AtO9a7w3viI+PIDr6d+w==}
     engines: {node: '>=12'}
@@ -589,6 +779,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-netbsd-64/0.15.7:
+    resolution: {integrity: sha512-yVc4Wz+Pu3cP5hzm5kIygNPrjar/v5WCSoRmIjCPWfBVJkZNb5brEGKUlf+0Y759D48BCWa0WHrWXaNy0DULTQ==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [netbsd]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-openbsd-64/0.14.54:
     resolution: {integrity: sha512-Qyk7ikT2o7Wu76UsvvDS5q0amJvmRzDyVlL0qf5VLsLchjCa1+IAvd8kTBgUxD7VBUUVgItLkk609ZHUc1oCaw==}
     engines: {node: '>=12'}
@@ -598,6 +797,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-openbsd-64/0.15.7:
+    resolution: {integrity: sha512-GsimbwC4FSR4lN3wf8XmTQ+r8/0YSQo21rWDL0XFFhLHKlzEA4SsT1Tl8bPYu00IU6UWSJ+b3fG/8SB69rcuEQ==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [openbsd]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-sunos-64/0.14.54:
     resolution: {integrity: sha512-28GZ24KmMSeKi5ueWzMcco6EBHStL3B6ubM7M51RmPwXQGLe0teBGJocmWhgwccA1GeFXqxzILIxXpHbl9Q/Kw==}
     engines: {node: '>=12'}
@@ -607,6 +815,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-sunos-64/0.15.7:
+    resolution: {integrity: sha512-8CDI1aL/ts0mDGbWzjEOGKXnU7p3rDzggHSBtVryQzkSOsjCHRVe0iFYUuhczlxU1R3LN/E7HgUO4NXzGGP/Ag==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [sunos]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-windows-32/0.14.54:
     resolution: {integrity: sha512-T+rdZW19ql9MjS7pixmZYVObd9G7kcaZo+sETqNH4RCkuuYSuv9AGHUVnPoP9hhuE1WM1ZimHz1CIBHBboLU7w==}
     engines: {node: '>=12'}
@@ -616,6 +833,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-windows-32/0.15.7:
+    resolution: {integrity: sha512-cOnKXUEPS8EGCzRSFa1x6NQjGhGsFlVgjhqGEbLTPsA7x4RRYiy2RKoArNUU4iR2vHmzqS5Gr84MEumO/wxYKA==}
+    engines: {node: '>=12'}
+    cpu: [ia32]
+    os: [win32]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-windows-64/0.14.54:
     resolution: {integrity: sha512-AoHTRBUuYwXtZhjXZbA1pGfTo8cJo3vZIcWGLiUcTNgHpJJMC1rVA44ZereBHMJtotyN71S8Qw0npiCIkW96cQ==}
     engines: {node: '>=12'}
@@ -625,6 +851,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-windows-64/0.15.7:
+    resolution: {integrity: sha512-7MI08Ec2sTIDv+zH6StNBKO+2hGUYIT42GmFyW6MBBWWtJhTcQLinKS6ldIN1d52MXIbiJ6nXyCJ+LpL4jBm3Q==}
+    engines: {node: '>=12'}
+    cpu: [x64]
+    os: [win32]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild-windows-arm64/0.14.54:
     resolution: {integrity: sha512-M0kuUvXhot1zOISQGXwWn6YtS+Y/1RT9WrVIOywZnJHo3jCDyewAc79aKNQWFCQm+xNHVTq9h8dZKvygoXQQRg==}
     engines: {node: '>=12'}
@@ -634,6 +869,15 @@ packages:
     dev: true
     optional: true
 
+  /esbuild-windows-arm64/0.15.7:
+    resolution: {integrity: sha512-R06nmqBlWjKHddhRJYlqDd3Fabx9LFdKcjoOy08YLimwmsswlFBJV4rXzZCxz/b7ZJXvrZgj8DDv1ewE9+StMw==}
+    engines: {node: '>=12'}
+    cpu: [arm64]
+    os: [win32]
+    requiresBuild: true
+    dev: true
+    optional: true
+
   /esbuild/0.14.54:
     resolution: {integrity: sha512-Cy9llcy8DvET5uznocPyqL3BFRrFXSVqbgpMJ9Wz8oVjZlh/zUSNbPRbov0VX7VxN2JH1Oa0uNxZ7eLRb62pJA==}
     engines: {node: '>=12'}
@@ -663,6 +907,35 @@ packages:
       esbuild-windows-arm64: 0.14.54
     dev: true
 
+  /esbuild/0.15.7:
+    resolution: {integrity: sha512-7V8tzllIbAQV1M4QoE52ImKu8hT/NLGlGXkiDsbEU5PS6K8Mn09ZnYoS+dcmHxOS9CRsV4IRAMdT3I67IyUNXw==}
+    engines: {node: '>=12'}
+    hasBin: true
+    requiresBuild: true
+    optionalDependencies:
+      '@esbuild/linux-loong64': 0.15.7
+      esbuild-android-64: 0.15.7
+      esbuild-android-arm64: 0.15.7
+      esbuild-darwin-64: 0.15.7
+      esbuild-darwin-arm64: 0.15.7
+      esbuild-freebsd-64: 0.15.7
+      esbuild-freebsd-arm64: 0.15.7
+      esbuild-linux-32: 0.15.7
+      esbuild-linux-64: 0.15.7
+      esbuild-linux-arm: 0.15.7
+      esbuild-linux-arm64: 0.15.7
+      esbuild-linux-mips64le: 0.15.7
+      esbuild-linux-ppc64le: 0.15.7
+      esbuild-linux-riscv64: 0.15.7
+      esbuild-linux-s390x: 0.15.7
+      esbuild-netbsd-64: 0.15.7
+      esbuild-openbsd-64: 0.15.7
+      esbuild-sunos-64: 0.15.7
+      esbuild-windows-32: 0.15.7
+      esbuild-windows-64: 0.15.7
+      esbuild-windows-arm64: 0.15.7
+    dev: true
+
   /escape-string-regexp/2.0.0:
     resolution: {integrity: sha512-UpzcLCXolUWcNu5HtVMHYdXJjArjsF9C0aNnquZYY4uW/Vu0miy5YoWvbV345HauVvcAUnpRuhMMcqTcGOY2+w==}
     engines: {node: '>=8'}
@@ -791,6 +1064,18 @@ packages:
     engines: {node: '>=4.0'}
     dev: true
 
+  /estree-walker/0.6.1:
+    resolution: {integrity: sha512-SqmZANLWS0mnatqbSfRP5g8OXZC12Fgg1IwNtLsyHDzJizORW4khDfjPqJZsemPWBB2uqykUah5YpQ6epsqC/w==}
+    dev: true
+
+  /estree-walker/1.0.1:
+    resolution: {integrity: sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==}
+    dev: true
+
+  /estree-walker/2.0.2:
+    resolution: {integrity: sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==}
+    dev: true
+
   /esutils/2.0.3:
     resolution: {integrity: sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==}
     engines: {node: '>=0.10.0'}
@@ -1131,6 +1416,10 @@ packages:
     resolution: {integrity: sha512-Bdboy+l7tA3OGW6FjyFHWkP5LuByj1Tk33Ljyq0axyzdk9//JSi2u3fP1QSmd1KNwq6VOKYGlAu87CisVir6Pw==}
     dev: true
 
+  /jsonc-parser/3.2.0:
+    resolution: {integrity: sha512-gfFQZrcTc8CnKXp6Y4/CBT3fTc0OVuDofpre4aEeEpSBPV5X5v4+Vmx+8snU7RLPrNHPKSgLxGo9YuQzz20o+w==}
+    dev: true
+
   /klaw/3.0.0:
     resolution: {integrity: sha512-0Fo5oir+O9jnXu5EefYbVK+mHMBeEVEy2cmctR1O1NECcCkPRreJKrS6Qt/j3KC2C148Dfo9i3pCmCMsdqGr0g==}
     dependencies:
@@ -1192,6 +1481,12 @@ packages:
       get-func-name: 2.0.0
     dev: true
 
+  /magic-string/0.25.9:
+    resolution: {integrity: sha512-RmF0AsMzgt25qzqqLc1+MbHmhdx0ojF2Fvs4XnOqz2ZOBXzzkEwc/dJQZCYHAn7v1jbVOjAZfK8msRn4BxO4VQ==}
+    dependencies:
+      sourcemap-codec: 1.4.8
+    dev: true
+
   /markdown-it-anchor/8.6.4_2zb4u3vubltivolgu556vv4aom:
     resolution: {integrity: sha512-Ul4YVYZNxMJYALpKtu+ZRdrryYt/GlQ5CK+4l1bp/gWXOG2QWElt6AqF3Mih/wfUKdZbNAZVXGR73/n6U/8img==}
     peerDependencies:
@@ -1256,6 +1551,31 @@ packages:
     resolution: {integrity: sha512-xOE9xbICroUDmG1ye2h4bZ8WBie9EGmACaco8K8cx6RlkJJrxGIqjGqztAI+NMhexXBcdGbSEzI6N3EJPevxZw==}
     dev: true
 
+  /mlly/0.5.14:
+    resolution: {integrity: sha512-DgRgNUSX9NIxxCxygX4Xeg9C7GX7OUx1wuQ8cXx9o9LE0e9wrH+OZ9fcnrlEedsC/rtqry3ZhUddC759XD/L0w==}
+    dependencies:
+      acorn: 8.8.0
+      pathe: 0.3.7
+      pkg-types: 0.3.5
+      ufo: 0.8.5
+    dev: true
+
+  /modern-node-polyfills/0.0.9:
+    resolution: {integrity: sha512-Z7sFaWAHCEAw44Ww1L0JEt4BaQ7/LVTbbqTtm3bNSfdWs0ZW7QwRN7Xy8RjSPOlZ9ZSkoXAa54neuvAC6KGRFg==}
+    dependencies:
+      '@jspm/core': 2.0.0-beta.24
+      '@rollup/plugin-inject': 4.0.4_rollup@2.77.3
+      acorn: 8.8.0
+      esbuild: 0.14.54
+      local-pkg: 0.4.2
+      rollup: 2.77.3
+    dev: true
+
+  /mrmime/1.0.1:
+    resolution: {integrity: sha512-hzzEagAgDyoU1Q6yg5uI+AorQgdvMCur3FcKf7NhMKWsaYg+RnbTyHRa/9IlLF9rf455MOCtcqqrQQ83pPP7Uw==}
+    engines: {node: '>=10'}
+    dev: true
+
   /ms/2.1.2:
     resolution: {integrity: sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==}
     dev: true
@@ -1346,6 +1666,10 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /pathe/0.3.7:
+    resolution: {integrity: sha512-yz7GK+kSsS27x727jtXpd5VT4dDfP/JDIQmaowfxyWCnFjOWtE1VIh7i6TzcSfzW0n4+bRQztj1VdKnITNq/MA==}
+    dev: true
+
   /pathval/1.1.1:
     resolution: {integrity: sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==}
     dev: true
@@ -1359,6 +1683,14 @@ packages:
     engines: {node: '>=8.6'}
     dev: true
 
+  /pkg-types/0.3.5:
+    resolution: {integrity: sha512-VkxCBFVgQhNHYk9subx+HOhZ4jzynH11ah63LZsprTKwPCWG9pfWBlkElWFbvkP9BVR0dP1jS9xPdhaHQNK74Q==}
+    dependencies:
+      jsonc-parser: 3.2.0
+      mlly: 0.5.14
+      pathe: 0.3.7
+    dev: true
+
   /postcss/8.4.16:
     resolution: {integrity: sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==}
     engines: {node: ^10 || ^12 || >=14}
@@ -1468,6 +1800,27 @@ packages:
       glob: 7.2.3
     dev: true
 
+  /rollup-plugin-inject/3.0.2:
+    resolution: {integrity: sha512-ptg9PQwzs3orn4jkgXJ74bfs5vYz1NCZlSQMBUA0wKcGp5i5pA1AO3fOUEte8enhGUC+iapTCzEWw2jEFFUO/w==}
+    deprecated: This package has been deprecated and is no longer maintained. Please use @rollup/plugin-inject.
+    dependencies:
+      estree-walker: 0.6.1
+      magic-string: 0.25.9
+      rollup-pluginutils: 2.8.2
+    dev: true
+
+  /rollup-plugin-node-polyfills/0.2.1:
+    resolution: {integrity: sha512-4kCrKPTJ6sK4/gLL/U5QzVT8cxJcofO0OU74tnB19F40cmuAKSzH5/siithxlofFEjwvw1YAhPmbvGNA6jEroA==}
+    dependencies:
+      rollup-plugin-inject: 3.0.2
+    dev: true
+
+  /rollup-pluginutils/2.8.2:
+    resolution: {integrity: sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==}
+    dependencies:
+      estree-walker: 0.6.1
+    dev: true
+
   /rollup/2.77.3:
     resolution: {integrity: sha512-/qxNTG7FbmefJWoeeYJFbHehJ2HNWnjkAFRKzWN/45eNBBF/r8lo992CwcJXEzyVxs5FmfId+vTSTQDb+bxA+g==}
     engines: {node: '>=10.0.0'}
@@ -1476,6 +1829,14 @@ packages:
       fsevents: 2.3.2
     dev: true
 
+  /rollup/2.78.1:
+    resolution: {integrity: sha512-VeeCgtGi4P+o9hIg+xz4qQpRl6R401LWEXBmxYKOV4zlF82lyhgh2hTZnheFUbANE8l2A41F458iwj2vEYaXJg==}
+    engines: {node: '>=10.0.0'}
+    hasBin: true
+    optionalDependencies:
+      fsevents: 2.3.2
+    dev: true
+
   /run-parallel/1.2.0:
     resolution: {integrity: sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==}
     dependencies:
@@ -1494,6 +1855,15 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /sirv/2.0.2:
+    resolution: {integrity: sha512-4Qog6aE29nIjAOKe/wowFTxOdmbEZKb+3tsLljaBRzJwtqto0BChD2zzH0LhgCSXiI+V7X+Y45v14wBZQ1TK3w==}
+    engines: {node: '>= 10'}
+    dependencies:
+      '@polka/url': 1.0.0-next.21
+      mrmime: 1.0.1
+      totalist: 3.0.0
+    dev: true
+
   /slash/3.0.0:
     resolution: {integrity: sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==}
     engines: {node: '>=8'}
@@ -1517,6 +1887,10 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: true
 
+  /sourcemap-codec/1.4.8:
+    resolution: {integrity: sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==}
+    dev: true
+
   /stream-connect/1.0.2:
     resolution: {integrity: sha512-68Kl+79cE0RGKemKkhxTSg8+6AGrqBt+cbZAXevg2iJ6Y3zX4JhA/sZeGzLpxW9cXhmqAcE7KnJCisUmIUfnFQ==}
     engines: {node: '>=0.10.0'}
@@ -1541,6 +1915,12 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /strip-literal/0.4.0:
+    resolution: {integrity: sha512-ql/sBDoJOybTKSIOWrrh8kgUEMjXMwRAkZTD0EwiwxQH/6tTPkZvMIEjp0CRlpi6V5FMiJyvxeRkEi1KrGISoA==}
+    dependencies:
+      acorn: 8.8.0
+    dev: true
+
   /supports-color/7.2.0:
     resolution: {integrity: sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==}
     engines: {node: '>=8'}
@@ -1600,6 +1980,10 @@ packages:
     resolution: {integrity: sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==}
     dev: true
 
+  /tinybench/2.1.5:
+    resolution: {integrity: sha512-ak+PZZEuH3mw6CCFOgf5S90YH0MARnZNhxjhjguAmoJimEMAJuNip/rJRd6/wyylHItomVpKTzZk9zrhTrQCoQ==}
+    dev: true
+
   /tinypool/0.2.4:
     resolution: {integrity: sha512-Vs3rhkUH6Qq1t5bqtb816oT+HeJTXfwt2cbPH17sWHIYKTotQIFPk3tf2fgqRrVyMDVOc1EnPgzIxfIulXVzwQ==}
     engines: {node: '>=14.0.0'}
@@ -1622,6 +2006,11 @@ packages:
       is-number: 7.0.0
     dev: true
 
+  /totalist/3.0.0:
+    resolution: {integrity: sha512-eM+pCBxXO/njtF7vdFsHuqb+ElbxqtI4r5EAvk6grfAFyJ6IvWlSkfZ5T9ozC6xWw3Fj1fGoSmrl0gUs46JVIw==}
+    engines: {node: '>=6'}
+    dev: true
+
   /type-check/0.4.0:
     resolution: {integrity: sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==}
     engines: {node: '>= 0.8.0'}
@@ -1657,6 +2046,10 @@ packages:
     resolution: {integrity: sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==}
     dev: true
 
+  /ufo/0.8.5:
+    resolution: {integrity: sha512-e4+UtA5IRO+ha6hYklwj6r7BjiGMxS0O+UaSg9HbaTefg4kMkzj4tXzEBajRR+wkxf+golgAWKzLbytCUDMJAA==}
+    dev: true
+
   /uglify-js/3.17.0:
     resolution: {integrity: sha512-aTeNPVmgIMPpm1cxXr2Q/nEbvkmV8yq66F3om7X3P/cvOXQ0TMQ64Wk63iyT1gPlmdmGzjGpyLh1f3y8MZWXGg==}
     engines: {node: '>=0.8.0'}
@@ -1685,8 +2078,8 @@ packages:
     resolution: {integrity: sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==}
     dev: true
 
-  /vite/3.0.9:
+  /vite/3.1.0:
-    resolution: {integrity: sha512-waYABTM+G6DBTCpYAxvevpG50UOlZuynR0ckTK5PawNVt7ebX6X7wNXHaGIO6wYYFXSM7/WcuFuO2QzhBB6aMw==}
+    resolution: {integrity: sha512-YBg3dUicDpDWFCGttmvMbVyS9ydjntwEjwXRj2KBFwSB8SxmGcudo1yb8FW5+M/G86aS8x828ujnzUVdsLjs9g==}
     engines: {node: ^14.18.0 || >=16.0.0}
     hasBin: true
     peerDependencies:
@@ -1704,16 +2097,16 @@ packages:
       terser:
         optional: true
     dependencies:
-      esbuild: 0.14.54
+      esbuild: 0.15.7
       postcss: 8.4.16
       resolve: 1.22.1
-      rollup: 2.77.3
+      rollup: 2.78.1
     optionalDependencies:
       fsevents: 2.3.2
     dev: true
 
-  /vitest/0.22.1:
+  /vitest/0.23.1_kkczkm7y7wgspdnr2rpymavxge:
-    resolution: {integrity: sha512-+x28YTnSLth4KbXg7MCzoDAzPJlJex7YgiZbUh6YLp0/4PqVZ7q7/zyfdL0OaPtKTpNiQFPpMC8Y2MSzk8F7dw==}
+    resolution: {integrity: sha512-kn9pG+h6VA3yj/xRvwgLKEd33rOlzMqJEg3tl5HSm3WUPlkY1Lr1FK8RN1uIqVKvFxmz6HGU3EQW+xW2kazRkQ==}
     engines: {node: '>=v14.16.0'}
     hasBin: true
     peerDependencies:
@@ -1736,13 +2129,17 @@ packages:
     dependencies:
       '@types/chai': 4.3.3
       '@types/chai-subset': 1.3.3
-      '@types/node': 18.7.13
+      '@types/node': 18.7.15
+      '@vitest/browser': 0.23.1
+      '@vitest/ui': 0.23.1
       chai: 4.3.6
       debug: 4.3.4
       local-pkg: 0.4.2
+      strip-literal: 0.4.0
+      tinybench: 2.1.5
       tinypool: 0.2.4
       tinyspy: 1.0.2
-      vite: 3.0.9
+      vite: 3.1.0
     transitivePeerDependencies:
       - less
       - sass

src/Updux.js

@@ -14,6 +14,7 @@ import { action, isActionGen } from './actions.js';
  */
 
 export class Updux {
+    #name = 'unknown';
     #localInitial = {};
     #subduxes = {};
     #actions;
@@ -23,10 +24,15 @@ export class Updux {
     #effects = [];
     #localReactions = [];
     #middlewareWrapper;
+    #splatReactionMapper;
 
     constructor(config = {}) {
         this.#config = config;
 
+        this.#name = config.name || 'unknown';
+
+        this.#splatReactionMapper = config.splatReactionMapper;
+
         this.#middlewareWrapper = config.middlewareWrapper;
 
         this.#localInitial = config.initial;
@@ -58,6 +64,10 @@ export class Updux {
         this.#localReactions = config.reactions ?? [];
     }
 
+    get name() {
+        return this.#name;
+    }
+
     #addSubduxActions(_slice, subdux) {
         if (!subdux.actions) return;
         // TODO action 'blah' defined multiple times: <where>
@@ -206,16 +216,15 @@ export class Updux {
     }
 
     subscribeTo(store, subscription) {
-        const localStore = this.augmentMiddlewareApi(
+        const localStore = this.augmentMiddlewareApi({
-            {
+            ...store,
-                ...store,
+            subscribe: (subscriber) => this.subscribeTo(store, subscriber), // TODO not sure
-                subscribe: (subscriber) => this.subscribeTo(store, subscriber), // TODO not sure
+        });
-            }
-        );
 
         const subscriber = subscription(localStore);
 
         let previous;
+        let unsub;
 
         const memoSub = () => {
             const state = store.getState();
@@ -225,38 +234,81 @@ export class Updux {
             subscriber(state, p, unsub);
         };
 
-        let ret = store.subscribe(memoSub);
+        return store.subscribe(memoSub);
-        const unsub = typeof ret === 'function' ? ret : ret.unsub;
+    }
-        return {
+
-            unsub,
+    createSplatReaction() {
-            subscriberMemoized: memoSub,
+        const subdux = this.#subduxes['*'];
-            subscriber,
+        const mapper = this.#splatReactionMapper;
+
+        return (api) => {
+            const cache = {};
+
+            return (state, previousState, unsubscribe) => {
+                const gone = { ...cache };
+
+                // TODO assuming object here
+                for (const key in state) {
+                    if (cache[key]) {
+                        delete gone[key];
+                    } else {
+                        const dux = new Updux({
+                            initial: null,
+                            actions: { update: null },
+                            mutations: {
+                                update: (payload) => () => payload,
+                            },
+                        });
+                        const store = dux.createStore();
+                        // TODO need to change the store to have the
+                        // subscribe pointing to the right slice?
+                        const context = {
+                            ...(api.context ?? {}),
+                            [subdux.name]: key,
+                        };
+                        const unsub = subdux.subscribeAll({
+                            ...store,
+                            context,
+                        });
+                        cache[key] = { store, unsub };
+                    }
+                    cache[key].store.dispatch.update(state[key]);
+                }
+
+                for (const key in gone) {
+                    cache[key].store.dispatch.update(null);
+                    cache[key].unsub();
+                    delete cache[key];
+                }
+            };
         };
     }
 
+    subscribeSplatReaction(store) {
+        return this.subscribeTo(store, this.createSplatReaction());
+    }
+
     subscribeAll(store) {
-        let results = this.#localReactions.map((sub) =>
+        let unsubs = this.#localReactions.map((sub) =>
             this.subscribeTo(store, sub),
         );
 
-        for (const subdux in this.#subduxes) {
+        if (this.#splatReactionMapper) {
-            if (subdux !== '*') {
+            unsubs.push(this.subscribeSplatReaction(store));
-                const localStore = {
-                    ...store,
-                    getState: () => store.getState()[subdux],
-                };
-                results.push(this.#subduxes[subdux].subscribeAll(localStore));
-            }
         }
 
-        return {
+        unsubs.push(
-            unsub: () => results.forEach(({ unsub }) => unsub()),
+            ...Object.entries(this.#subduxes)
-            subscriberMemoized: () =>
+                .filter(([slice]) => slice !== '*')
-                results.forEach(({ subscriberMemoized }) =>
+                .map(([slice, subdux]) => {
-                    subscriberMemoized(),
+                    subdux.subscribeAll({
-                ),
+                        ...store,
-            subscriber: () => results.forEach(({ subscriber }) => subscriber()),
+                        getState: () => store.getState()[slice],
-        };
+                    });
+                }),
+        );
+
+        return () => unsubs.forEach((u) => u());
     }
 }
 

src/splatReactions.test.js

@@ -0,0 +1,127 @@
+import { test, expect, vi, describe } from 'vitest';
+import u from 'updeep';
+
+import { Updux } from './Updux.js';
+import { matches } from './utils';
+
+const reactionSnitch = vi.fn();
+const thingReactionSnitch = vi.fn();
+
+const subThing = new Updux({
+    name: 'subThing',
+    initial: 0,
+});
+
+subThing.addReaction((api) => (state, previousState, unsubscribe) => {
+    reactionSnitch({ ...api, state, previousState });
+});
+
+const thing = new Updux({
+    name: 'thing',
+    initial: {},
+    subduxes: {
+        '*': subThing,
+    },
+    actions: {
+        setSubThing: (id, value, thingId) => ({ thingId, id, value }),
+        deleteSubThing: (id) => id,
+    },
+    mutations: {
+        setSubThing: ({ id, value }) => u.updateIn(id, value),
+        deleteSubThing: (id) => u.updateIn(id, u.omitted),
+    },
+    splatReactionMapper: ({ id }) => id,
+});
+
+thing.addReaction((api) => (state, previousState, unsubscribe) => {
+    thingReactionSnitch({ ...api, state, previousState });
+});
+
+const things = new Updux({
+    subduxes: {
+        '*': thing,
+    },
+    initial: {},
+    actions: { newThing: (id) => id },
+    splatReactionMapper: ({ id }) => id,
+    mutations: {
+        newThing: (id) => (state) => ({ ...state, [id]: thing.initial }),
+    },
+});
+
+things.setMutation(
+    'setSubThing',
+    ({ thingId }, action) => u.updateIn(thingId, thing.upreducer(action)),
+    true,
+);
+
+describe('just one level', () => {
+    const store = thing.createStore();
+
+    test('set', async () => {
+        store.dispatch.setSubThing('a', 13);
+
+        expect(reactionSnitch).toHaveBeenCalledWith(
+            expect.objectContaining({ state: 13 }),
+        );
+    });
+
+    test('other key', async () => {
+        reactionSnitch.mockReset();
+
+        store.dispatch.setSubThing('b', 23);
+
+        expect(reactionSnitch).not.toHaveBeenCalledWith(
+            expect.objectContaining({ state: 13 }),
+        );
+        expect(reactionSnitch).toHaveBeenCalledWith(
+            expect.objectContaining({ state: 23 }),
+        );
+    });
+
+    test('delete', async () => {
+        reactionSnitch.mockReset();
+
+        store.dispatch.deleteSubThing('a');
+
+        expect(reactionSnitch).toHaveBeenCalledOnce();
+
+        expect(reactionSnitch).toHaveBeenCalledWith(
+            expect.objectContaining({ state: null }),
+        );
+    });
+
+    test('context', async () => {
+        expect(reactionSnitch).toHaveBeenCalledWith(
+            expect.objectContaining({
+                context: { subThing: 'a' },
+            }),
+        );
+    });
+});
+
+test('two levels', async () => {
+    const store = things.createStore();
+
+    reactionSnitch.mockReset();
+    thingReactionSnitch.mockReset();
+
+    store.dispatch.newThing('alpha');
+    store.dispatch.newThing('beta');
+    store.dispatch.setSubThing('a', 13, 'alpha');
+
+    expect(reactionSnitch).toHaveBeenCalledWith(
+        expect.objectContaining({
+            context: { thing: 'alpha', subThing: 'a' },
+            state: 13,
+        }),
+    );
+    expect(thingReactionSnitch).toHaveBeenCalledWith(
+        expect.objectContaining({
+            context: {
+                thing: 'alpha',
+            },
+            state: { a: 13 },
+        }),
+    );
+});