move 'env' from state to context

package.json

@@ -16,15 +16,15 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.26.0",
-    "@types/react": "^19.1.3",
+    "@types/react": "^19.1.4",
-    "@types/react-dom": "^19.1.3",
+    "@types/react-dom": "^19.1.5",
     "@vitejs/plugin-react-swc": "^3.9.0",
     "eslint": "^9.26.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
     "globals": "^16.1.0",
     "typescript": "~5.8.3",
-    "typescript-eslint": "^8.32.0",
+    "typescript-eslint": "^8.32.1",
     "vite": "^6.3.5"
   }
 }

pnpm-lock.yaml

@@ -10,7 +10,7 @@ importers:
     dependencies:
       dope2:
         specifier: git+https://deemz.org/git/joeri/dope2.git
-        version: git+https://deemz.org/git/joeri/dope2.git#a9e21d7d94a7c75c34a95116931b458507131694
+        version: git+https://deemz.org/git/joeri/dope2.git#e631f11aa52b2adda8809c1b0b41cc991fbe8890
       react:
         specifier: ^19.1.0
         version: 19.1.0
@@ -22,11 +22,11 @@ importers:
         specifier: ^9.26.0
         version: 9.26.0
       '@types/react':
-        specifier: ^19.1.3
+        specifier: ^19.1.4
-        version: 19.1.3
+        version: 19.1.4
       '@types/react-dom':
-        specifier: ^19.1.3
+        specifier: ^19.1.5
-        version: 19.1.3(@types/react@19.1.3)
+        version: 19.1.5(@types/react@19.1.4)
       '@vitejs/plugin-react-swc':
         specifier: ^3.9.0
         version: 3.9.0(vite@6.3.5)
@@ -46,8 +46,8 @@ importers:
         specifier: ~5.8.3
         version: 5.8.3
       typescript-eslint:
-        specifier: ^8.32.0
+        specifier: ^8.32.1
-        version: 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+        version: 8.32.1(eslint@9.26.0)(typescript@5.8.3)
       vite:
         specifier: ^6.3.5
         version: 6.3.5
@@ -262,8 +262,8 @@ packages:
     resolution: {integrity: sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==}
     engines: {node: '>=18.18'}
 
-  '@modelcontextprotocol/sdk@1.11.1':
+  '@modelcontextprotocol/sdk@1.11.2':
-    resolution: {integrity: sha512-9LfmxKTb1v+vUS1/emSk1f5ePmTLkb9Le9AxOB5T0XM59EUumwcS45z05h7aiZx3GI0Bl7mjb3FMEglYj+acuQ==}
+    resolution: {integrity: sha512-H9vwztj5OAqHg9GockCQC06k1natgcxWQSRpQcPJf6i5+MWBzfKkRtxGbjQf0X2ihii0ffLZCRGbYV2f2bjNCQ==}
     engines: {node: '>=18'}
 
   '@nodelib/fs.scandir@2.1.5':
@@ -459,59 +459,59 @@ packages:
   '@types/json-schema@7.0.15':
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
 
-  '@types/react-dom@19.1.3':
+  '@types/react-dom@19.1.5':
-    resolution: {integrity: sha512-rJXC08OG0h3W6wDMFxQrZF00Kq6qQvw0djHRdzl3U5DnIERz0MRce3WVc7IS6JYBwtaP/DwYtRRjVlvivNveKg==}
+    resolution: {integrity: sha512-CMCjrWucUBZvohgZxkjd6S9h0nZxXjzus6yDfUb+xLxYM7VvjKNH1tQrE9GWLql1XoOP4/Ds3bwFqShHUYraGg==}
     peerDependencies:
       '@types/react': ^19.0.0
 
-  '@types/react@19.1.3':
+  '@types/react@19.1.4':
-    resolution: {integrity: sha512-dLWQ+Z0CkIvK1J8+wrDPwGxEYFA4RAyHoZPxHVGspYmFVnwGSNT24cGIhFJrtfRnWVuW8X7NO52gCXmhkVUWGQ==}
+    resolution: {integrity: sha512-EB1yiiYdvySuIITtD5lhW4yPyJ31RkJkkDw794LaQYrxCSaQV/47y5o1FMC4zF9ZyjUjzJMZwbovEnT5yHTW6g==}
 
-  '@typescript-eslint/eslint-plugin@8.32.0':
+  '@typescript-eslint/eslint-plugin@8.32.1':
-    resolution: {integrity: sha512-/jU9ettcntkBFmWUzzGgsClEi2ZFiikMX5eEQsmxIAWMOn4H3D4rvHssstmAHGVvrYnaMqdWWWg0b5M6IN/MTQ==}
+    resolution: {integrity: sha512-6u6Plg9nP/J1GRpe/vcjjabo6Uc5YQPAMxsgQyGC/I0RuukiG1wIe3+Vtg3IrSCVJDmqK3j8adrtzXSENRtFgg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       '@typescript-eslint/parser': ^8.0.0 || ^8.0.0-alpha.0
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <5.9.0'
 
-  '@typescript-eslint/parser@8.32.0':
+  '@typescript-eslint/parser@8.32.1':
-    resolution: {integrity: sha512-B2MdzyWxCE2+SqiZHAjPphft+/2x2FlO9YBx7eKE1BCb+rqBlQdhtAEhzIEdozHd55DXPmxBdpMygFJjfjjA9A==}
+    resolution: {integrity: sha512-LKMrmwCPoLhM45Z00O1ulb6jwyVr2kr3XJp+G+tSEZcbauNnScewcQwtJqXDhXeYPDEjZ8C1SjXm015CirEmGg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <5.9.0'
 
-  '@typescript-eslint/scope-manager@8.32.0':
+  '@typescript-eslint/scope-manager@8.32.1':
-    resolution: {integrity: sha512-jc/4IxGNedXkmG4mx4nJTILb6TMjL66D41vyeaPWvDUmeYQzF3lKtN15WsAeTr65ce4mPxwopPSo1yUUAWw0hQ==}
+    resolution: {integrity: sha512-7IsIaIDeZn7kffk7qXC3o6Z4UblZJKV3UBpkvRNpr5NSyLji7tvTcvmnMNYuYLyh26mN8W723xpo3i4MlD33vA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
-  '@typescript-eslint/type-utils@8.32.0':
+  '@typescript-eslint/type-utils@8.32.1':
-    resolution: {integrity: sha512-t2vouuYQKEKSLtJaa5bB4jHeha2HJczQ6E5IXPDPgIty9EqcJxpr1QHQ86YyIPwDwxvUmLfP2YADQ5ZY4qddZg==}
+    resolution: {integrity: sha512-mv9YpQGA8iIsl5KyUPi+FGLm7+bA4fgXaeRcFKRDRwDMu4iwrSHeDPipwueNXhdIIZltwCJv+NkxftECbIZWfA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <5.9.0'
 
-  '@typescript-eslint/types@8.32.0':
+  '@typescript-eslint/types@8.32.1':
-    resolution: {integrity: sha512-O5Id6tGadAZEMThM6L9HmVf5hQUXNSxLVKeGJYWNhhVseps/0LddMkp7//VDkzwJ69lPL0UmZdcZwggj9akJaA==}
+    resolution: {integrity: sha512-YmybwXUJcgGqgAp6bEsgpPXEg6dcCyPyCSr0CAAueacR/CCBi25G3V8gGQ2kRzQRBNol7VQknxMs9HvVa9Rvfg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
-  '@typescript-eslint/typescript-estree@8.32.0':
+  '@typescript-eslint/typescript-estree@8.32.1':
-    resolution: {integrity: sha512-pU9VD7anSCOIoBFnhTGfOzlVFQIA1XXiQpH/CezqOBaDppRwTglJzCC6fUQGpfwey4T183NKhF1/mfatYmjRqQ==}
+    resolution: {integrity: sha512-Y3AP9EIfYwBb4kWGb+simvPaqQoT5oJuzzj9m0i6FCY6SPvlomY2Ei4UEMm7+FXtlNJbor80ximyslzaQF6xhg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       typescript: '>=4.8.4 <5.9.0'
 
-  '@typescript-eslint/utils@8.32.0':
+  '@typescript-eslint/utils@8.32.1':
-    resolution: {integrity: sha512-8S9hXau6nQ/sYVtC3D6ISIDoJzS1NsCK+gluVhLN2YkBPX+/1wkwyUiDKnxRh15579WoOIyVWnoyIf3yGI9REw==}
+    resolution: {integrity: sha512-DsSFNIgLSrc89gpq1LJB7Hm1YpuhK086DRDJSNrewcGvYloWW1vZLHBTIvarKZDcAORIy/uWNx8Gad+4oMpkSA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <5.9.0'
 
-  '@typescript-eslint/visitor-keys@8.32.0':
+  '@typescript-eslint/visitor-keys@8.32.1':
-    resolution: {integrity: sha512-1rYQTCLFFzOI5Nl0c8LUpJT8HxpwVRn9E4CkMsYfuN6ctmQqExjSTzzSk0Tz2apmXy7WU6/6fyaZVVA/thPN+w==}
+    resolution: {integrity: sha512-ar0tjQfObzhSaW3C3QNmTc5ofj0hDoNQ5XWrCy6zDyabdr0TWhCkClp+rywGNj/odAFBVzzJrK4tEq5M4Hmu4w==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
   '@vitejs/plugin-react-swc@3.9.0':
@@ -633,8 +633,8 @@ packages:
     resolution: {integrity: sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==}
     engines: {node: '>= 0.8'}
 
-  dope2@git+https://deemz.org/git/joeri/dope2.git#a9e21d7d94a7c75c34a95116931b458507131694:
+  dope2@git+https://deemz.org/git/joeri/dope2.git#e631f11aa52b2adda8809c1b0b41cc991fbe8890:
-    resolution: {commit: a9e21d7d94a7c75c34a95116931b458507131694, repo: https://deemz.org/git/joeri/dope2.git, type: git}
+    resolution: {commit: e631f11aa52b2adda8809c1b0b41cc991fbe8890, repo: https://deemz.org/git/joeri/dope2.git, type: git}
     version: 0.0.1
 
   dunder-proto@1.0.1:
@@ -868,6 +868,10 @@ packages:
     resolution: {integrity: sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==}
     engines: {node: '>= 4'}
 
+  ignore@7.0.4:
+    resolution: {integrity: sha512-gJzzk+PQNznz8ysRrC0aOkBNVRBDtE1n53IqyqEf3PXrYwomFs5q4pGMizBMJF+ykh03insJ27hB8gSrD2Hn8A==}
+    engines: {node: '>= 4'}
+
   import-fresh@3.3.1:
     resolution: {integrity: sha512-TR3KfrTZTYLPB6jUjfx6MF9WcWrHL9su5TObK4ZkYgBdWKPOFoSoQIdEuTuR82pmtxH2spWG9h6etwfr1pLBqQ==}
     engines: {node: '>=6'}
@@ -1109,8 +1113,8 @@ packages:
   scheduler@0.26.0:
     resolution: {integrity: sha512-NlHwttCI/l5gCPR3D1nNXtWABUmBwvZpEQiD4IXSbIDq8BzLIK/7Ir5gTFSGZDUu37K5cMNp0hFtzO38sC7gWA==}
 
-  semver@7.7.1:
+  semver@7.7.2:
-    resolution: {integrity: sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==}
+    resolution: {integrity: sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==}
     engines: {node: '>=10'}
     hasBin: true
 
@@ -1191,8 +1195,8 @@ packages:
     resolution: {integrity: sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw==}
     engines: {node: '>= 0.6'}
 
-  typescript-eslint@8.32.0:
+  typescript-eslint@8.32.1:
-    resolution: {integrity: sha512-UMq2kxdXCzinFFPsXc9o2ozIpYCCOiEC46MG3yEh5Vipq6BO27otTtEBZA1fQ66DulEUgE97ucQ/3YY66CPg0A==}
+    resolution: {integrity: sha512-D7el+eaDHAmXvrZBy1zpzSNIRqnCOrkwTgZxTu3MUqRWk8k0q9m9Ho4+vPf7iHtgUfrK/o8IZaEApsxPlHTFCg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
@@ -1412,7 +1416,7 @@ snapshots:
 
   '@humanwhocodes/retry@0.4.3': {}
 
-  '@modelcontextprotocol/sdk@1.11.1':
+  '@modelcontextprotocol/sdk@1.11.2':
     dependencies:
       content-type: 1.0.5
       cors: 2.8.5
@@ -1555,52 +1559,52 @@ snapshots:
 
   '@types/json-schema@7.0.15': {}
 
-  '@types/react-dom@19.1.3(@types/react@19.1.3)':
+  '@types/react-dom@19.1.5(@types/react@19.1.4)':
     dependencies:
-      '@types/react': 19.1.3
+      '@types/react': 19.1.4
 
-  '@types/react@19.1.3':
+  '@types/react@19.1.4':
     dependencies:
       csstype: 3.1.3
 
-  '@typescript-eslint/eslint-plugin@8.32.0(@typescript-eslint/parser@8.32.0(eslint@9.26.0)(typescript@5.8.3))(eslint@9.26.0)(typescript@5.8.3)':
+  '@typescript-eslint/eslint-plugin@8.32.1(@typescript-eslint/parser@8.32.1(eslint@9.26.0)(typescript@5.8.3))(eslint@9.26.0)(typescript@5.8.3)':
     dependencies:
       '@eslint-community/regexpp': 4.12.1
-      '@typescript-eslint/parser': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/parser': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
-      '@typescript-eslint/scope-manager': 8.32.0
+      '@typescript-eslint/scope-manager': 8.32.1
-      '@typescript-eslint/type-utils': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/type-utils': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
-      '@typescript-eslint/utils': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/utils': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
-      '@typescript-eslint/visitor-keys': 8.32.0
+      '@typescript-eslint/visitor-keys': 8.32.1
       eslint: 9.26.0
       graphemer: 1.4.0
-      ignore: 5.3.2
+      ignore: 7.0.4
       natural-compare: 1.4.0
       ts-api-utils: 2.1.0(typescript@5.8.3)
       typescript: 5.8.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/parser@8.32.0(eslint@9.26.0)(typescript@5.8.3)':
+  '@typescript-eslint/parser@8.32.1(eslint@9.26.0)(typescript@5.8.3)':
     dependencies:
-      '@typescript-eslint/scope-manager': 8.32.0
+      '@typescript-eslint/scope-manager': 8.32.1
-      '@typescript-eslint/types': 8.32.0
+      '@typescript-eslint/types': 8.32.1
-      '@typescript-eslint/typescript-estree': 8.32.0(typescript@5.8.3)
+      '@typescript-eslint/typescript-estree': 8.32.1(typescript@5.8.3)
-      '@typescript-eslint/visitor-keys': 8.32.0
+      '@typescript-eslint/visitor-keys': 8.32.1
       debug: 4.4.0
       eslint: 9.26.0
       typescript: 5.8.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/scope-manager@8.32.0':
+  '@typescript-eslint/scope-manager@8.32.1':
     dependencies:
-      '@typescript-eslint/types': 8.32.0
+      '@typescript-eslint/types': 8.32.1
-      '@typescript-eslint/visitor-keys': 8.32.0
+      '@typescript-eslint/visitor-keys': 8.32.1
 
-  '@typescript-eslint/type-utils@8.32.0(eslint@9.26.0)(typescript@5.8.3)':
+  '@typescript-eslint/type-utils@8.32.1(eslint@9.26.0)(typescript@5.8.3)':
     dependencies:
-      '@typescript-eslint/typescript-estree': 8.32.0(typescript@5.8.3)
+      '@typescript-eslint/typescript-estree': 8.32.1(typescript@5.8.3)
-      '@typescript-eslint/utils': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/utils': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
       debug: 4.4.0
       eslint: 9.26.0
       ts-api-utils: 2.1.0(typescript@5.8.3)
@@ -1608,36 +1612,36 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/types@8.32.0': {}
+  '@typescript-eslint/types@8.32.1': {}
 
-  '@typescript-eslint/typescript-estree@8.32.0(typescript@5.8.3)':
+  '@typescript-eslint/typescript-estree@8.32.1(typescript@5.8.3)':
     dependencies:
-      '@typescript-eslint/types': 8.32.0
+      '@typescript-eslint/types': 8.32.1
-      '@typescript-eslint/visitor-keys': 8.32.0
+      '@typescript-eslint/visitor-keys': 8.32.1
       debug: 4.4.0
       fast-glob: 3.3.3
       is-glob: 4.0.3
       minimatch: 9.0.5
-      semver: 7.7.1
+      semver: 7.7.2
       ts-api-utils: 2.1.0(typescript@5.8.3)
       typescript: 5.8.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/utils@8.32.0(eslint@9.26.0)(typescript@5.8.3)':
+  '@typescript-eslint/utils@8.32.1(eslint@9.26.0)(typescript@5.8.3)':
     dependencies:
       '@eslint-community/eslint-utils': 4.7.0(eslint@9.26.0)
-      '@typescript-eslint/scope-manager': 8.32.0
+      '@typescript-eslint/scope-manager': 8.32.1
-      '@typescript-eslint/types': 8.32.0
+      '@typescript-eslint/types': 8.32.1
-      '@typescript-eslint/typescript-estree': 8.32.0(typescript@5.8.3)
+      '@typescript-eslint/typescript-estree': 8.32.1(typescript@5.8.3)
       eslint: 9.26.0
       typescript: 5.8.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/visitor-keys@8.32.0':
+  '@typescript-eslint/visitor-keys@8.32.1':
     dependencies:
-      '@typescript-eslint/types': 8.32.0
+      '@typescript-eslint/types': 8.32.1
       eslint-visitor-keys: 4.2.0
 
   '@vitejs/plugin-react-swc@3.9.0(vite@6.3.5)':
@@ -1758,7 +1762,7 @@ snapshots:
 
   depd@2.0.0: {}
 
-  dope2@git+https://deemz.org/git/joeri/dope2.git#a9e21d7d94a7c75c34a95116931b458507131694:
+  dope2@git+https://deemz.org/git/joeri/dope2.git#e631f11aa52b2adda8809c1b0b41cc991fbe8890:
     dependencies:
       functional-red-black-tree: 1.0.1
 
@@ -1842,7 +1846,7 @@ snapshots:
       '@humanfs/node': 0.16.6
       '@humanwhocodes/module-importer': 1.0.1
       '@humanwhocodes/retry': 0.4.3
-      '@modelcontextprotocol/sdk': 1.11.1
+      '@modelcontextprotocol/sdk': 1.11.2
       '@types/estree': 1.0.7
       '@types/json-schema': 7.0.15
       ajv: 6.12.6
@@ -2053,6 +2057,8 @@ snapshots:
 
   ignore@5.3.2: {}
 
+  ignore@7.0.4: {}
+
   import-fresh@3.3.1:
     dependencies:
       parent-module: 1.0.1
@@ -2272,7 +2278,7 @@ snapshots:
 
   scheduler@0.26.0: {}
 
-  semver@7.7.1: {}
+  semver@7.7.2: {}
 
   send@1.2.0:
     dependencies:
@@ -2370,11 +2376,11 @@ snapshots:
       media-typer: 1.1.0
       mime-types: 3.0.1
 
-  typescript-eslint@8.32.0(eslint@9.26.0)(typescript@5.8.3):
+  typescript-eslint@8.32.1(eslint@9.26.0)(typescript@5.8.3):
     dependencies:
-      '@typescript-eslint/eslint-plugin': 8.32.0(@typescript-eslint/parser@8.32.0(eslint@9.26.0)(typescript@5.8.3))(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/eslint-plugin': 8.32.1(@typescript-eslint/parser@8.32.1(eslint@9.26.0)(typescript@5.8.3))(eslint@9.26.0)(typescript@5.8.3)
-      '@typescript-eslint/parser': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/parser': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
-      '@typescript-eslint/utils': 8.32.0(eslint@9.26.0)(typescript@5.8.3)
+      '@typescript-eslint/utils': 8.32.1(eslint@9.26.0)(typescript@5.8.3)
       eslint: 9.26.0
       typescript: 5.8.3
     transitivePeerDependencies:

src/App.css

@@ -42,3 +42,15 @@ footer {
 footer a {
   color: white;
 }
+
+.command {
+  border: 1px solid black;
+  border-radius: 5px;
+  padding: 0 6px 0 6px;
+  margin: 0 4px 0 4px;
+}
+
+.command.highlighted {
+  background-color: dodgerblue;
+  color: white;
+}

src/App.tsx

@@ -3,6 +3,7 @@ import './App.css'
 import { Editor, type EditorState } from './Editor'
 import { initialEditorState, nonEmptyEditorState, tripleFunctionCallEditorState } from "./configurations";
 import { CommandContext } from './CommandContext';
+import { EnvContext } from './EnvContext';
 
 export function App() {
   const [history, setHistory] = useState([initialEditorState]);
@@ -52,7 +53,7 @@ export function App() {
   const commands = [
     ["call"     , "[c] call"              ],
     ["eval"     , "[u] [Tab] [Enter] eval"],
-    ["transform", "[t] transform"         ],
+    ["transform", "[t] [.] transform"         ],
     ["let"      , "[=] let ... in ..."    ],
   ];
 
@@ -80,15 +81,14 @@ export function App() {
         }
       </header>
 
-      <main>
+      <main onKeyDown={onKeyDown}>
-        <CommandContext value={doHighlight}>
+        <CommandContext value={{undo: onUndo, redo: onRedo, doHighlight}}>
           <Editor
             state={history.at(-1)!}
             setState={pushHistory}
             onResolve={() => {}}
             onCancel={() => {}}
             filter={() => true}
-            focus={true}
           />
         </CommandContext>
       </main>

src/CallBlock.tsx

@@ -13,7 +13,6 @@ export interface CallBlockState<
   InputState=EditorState,
 > {
   kind: "call";
-  env: any;
   fn: FnState;
   input: InputState;
   resolved: undefined | Dynamic;
@@ -28,7 +27,7 @@ interface CallBlockProps<
 }
 
 function headlessCallBlock({state, setState, onResolve}: CallBlockProps) {
-  const [unifyError, setUnifyError] = useState<UnifyError | undefined>(undefined);
+  const [unifyError, setUnifyError] = useState<typeof UnifyError | undefined>(undefined);
   const {fn, input } = state;
   const setFn = (fn: EditorState) => {
     setState({...state, fn});
@@ -52,7 +51,7 @@ function headlessCallBlock({state, setState, onResolve}: CallBlockProps) {
       if (!(e instanceof UnifyError)) {
         throw e;
       }
-      setUnifyError(e);
+      setUnifyError(e as typeof UnifyError);
       onResolve({
         ...state, resolved: undefined
       })

src/CommandContext.ts

@@ -1,3 +1,9 @@
 import { createContext } from "react";
 
-export const CommandContext = createContext<{[key:string]: () => void}>({});
+interface GlobalActions {
+  undo: () => void;
+  redo: () => void;
+  doHighlight: {[key:string]: () => void};
+}
+
+export const CommandContext = createContext<GlobalActions|null>(null);

src/Editor.css

@@ -2,6 +2,6 @@
   display: inline-block;
 }
 
-.command {
+.commandInput {
   width: 160px;
 }

src/Editor.tsx

@@ -26,7 +26,7 @@ interface EditorProps extends State2Props<EditorState> {
 }
 
 function getCommands(type) {
-  const commands = ['u', 't', 'Enter', 'Backspace', 'ArrowLeft', 'ArrowRight', 'Tab', 'l', '='];
+  const commands = ['u', 't', 'Enter', 'Backspace', 'ArrowLeft', 'ArrowRight', 'Tab', 'l', '=', '.'];
   if (getSymbol(type) === symbolFunction) {
     commands.push('c');
   }
@@ -34,9 +34,9 @@ function getCommands(type) {
 }
 function getShortCommands(type) {
   if (getSymbol(type) === symbolFunction) {
-    return 'c|Tab|t';
+    return 'c|Tab|.';
   }
-  return 'Tab|t';
+  return 'Tab|.';
 }
 
 function removeFocus(state: EditorState): EditorState {
@@ -72,7 +72,7 @@ export function Editor({state, setState, onResolve, onCancel, filter}: EditorPro
     }
   }
 
-  const doHighlight = useContext(CommandContext);
+  const globalContext = useContext(CommandContext);
   const onCommand = (e: React.KeyboardEvent) => {
     const type = getType(state.resolved);
     const commands = getCommands(type);
@@ -84,7 +84,7 @@ export function Editor({state, setState, onResolve, onCancel, filter}: EditorPro
     // u -> pass Up
     if (e.key === "u" || e.key === "Enter" || e.key === "Tab" && !e.shiftKey) {
       onResolve(state);
-      doHighlight.eval();
+      globalContext?.doHighlight.eval();
       return;
     }
     if (e.key === "Tab" && e.shiftKey) {
@@ -96,26 +96,24 @@ export function Editor({state, setState, onResolve, onCancel, filter}: EditorPro
       // we become CallBlock
       setState({
         kind: "call",
-        env: state.env,
         fn: removeFocus(state),
         input: initialEditorState,
         resolved: undefined,
       });
-      doHighlight.call();
+      globalContext?.doHighlight.call();
       // focusNextElement();
       return;
     }
     // t -> Transform
-    if (e.key === "t") {
+    if (e.key === "t" || e.key === ".") {
       // we become CallBlock
       setState({
         kind: "call",
-        env: state.env,
         fn: initialEditorState,
         input: removeFocus(state),
         resolved: undefined,
       });
-      doHighlight.transform();
+      globalContext?.doHighlight.transform();
       return;
     }
     if (e.key === "Backspace" || e.key === "ArrowLeft") {
@@ -132,13 +130,12 @@ export function Editor({state, setState, onResolve, onCancel, filter}: EditorPro
       // we become LetInBlock
       setState({
         kind: "let",
-        env: state.env,
+        inner: removeFocus(initialEditorState),
-        inner: initialEditorState,
         name: "",
-        value: state,
+        value: removeFocus(state),
         resolved: undefined,
       });
-      doHighlight.let();
+      globalContext?.doHighlight.let();
       return;
     }
   };
@@ -179,7 +176,7 @@ export function Editor({state, setState, onResolve, onCancel, filter}: EditorPro
             ? <input
                 ref={commandInputRef}
                 spellCheck={false}
-                className="editable command"
+                className="editable commandInput"
                 placeholder={`<command: ${getShortCommands(getType(state.resolved))}>`}
                 onKeyDown={onCommand}
                 value={""}

src/EnvContext.ts

@@ -0,0 +1,9 @@
+import { createContext } from "react";
+import { getDefaultTypeParser, module2Env, ModuleStd } from "dope2";
+
+const mkType = getDefaultTypeParser();
+export const extendedEnv = module2Env(ModuleStd.concat([
+  ["functionWith3Params", { i: i => j => k => i + j + k, t: mkType("Int->Int->Int->Int") }],
+]));
+
+export const EnvContext = createContext(extendedEnv);

src/InputBlock.tsx

@@ -1,16 +1,16 @@
 import { Double, getType, Int, newDynamic, trie } from "dope2";
-import { focusNextElement, focusPrevElement, setRightMostCaretPosition } from "./util/dom_trickery";
+import { autoInputWidth, focusNextElement, focusPrevElement, setRightMostCaretPosition } from "./util/dom_trickery";
 import { parseDouble, parseInt } from "./util/parse";
 
-import { useEffect, useMemo, useRef, useState } from "react";
+import { useContext, useEffect, useMemo, useRef, useState } from "react";
 import { Type } from "./Type";
 
 import "./InputBlock.css";
 import type { Dynamic, State2Props } from "./util/extra";
+import { EnvContext } from "./EnvContext";
 
 export interface InputBlockState {
   kind: "input";
-  env: any;
   text: string;
   resolved: undefined | Dynamic;
   focus: boolean
@@ -39,7 +39,8 @@ const computeSuggestions = (text, env, filter) => {
 }
 
 export function InputBlock({ state, setState, filter, onResolve, onCancel }: InputBlockProps) {
-  const {env, text, resolved, focus} = state;
+  const {text, resolved, focus} = state;
+  const env = useContext(EnvContext);
   const inputRef = useRef<HTMLInputElement>(null);
   const [i, setI] = useState(0); // selected suggestion idx
   const [haveFocus, setHaveFocus] = useState(false); // whether to render suggestions or not
@@ -51,12 +52,7 @@ export function InputBlock({ state, setState, filter, onResolve, onCancel }: Inp
   const singleSuggestion = trie.growPrefix(env.name2dyn)(text);
   const suggestions = useMemo(() => computeSuggestions(text, env, filter), [text]);
 
-  useEffect(() => {
+  useEffect(() => autoInputWidth(inputRef, text), [inputRef, text]);
-    setI(0); // reset
-    if (inputRef.current) {
-      inputRef.current.style.width = `${text.length === 0 ? 140 : (text.length*8.7)}px`;
-    }
-  }, [text]);
 
   useEffect(() => {
     if (focus) {
@@ -67,7 +63,6 @@ export function InputBlock({ state, setState, filter, onResolve, onCancel }: Inp
   const onSelectSuggestion = ([name, dynamic]) => {
     onResolve({
       kind: "input",
-      env,
       text: name,
       resolved: dynamic,
       focus: false,
@@ -80,7 +75,6 @@ export function InputBlock({ state, setState, filter, onResolve, onCancel }: Inp
       // un-resolve
       onResolve({
         kind: "input",
-        env,
         text: e.target.value,
         resolved: undefined,
         focus: true,

src/LetInBlock.tsx

@@ -1,10 +1,12 @@
+import { useContext, useEffect, useRef } from "react";
 import { Editor, type EditorState } from "./Editor";
+import { EnvContext } from "./EnvContext";
 import type { Dynamic, State2Props } from "./util/extra";
-
+import { growEnv } from "dope2";
+import { autoInputWidth } from "./util/dom_trickery";
 
 export interface LetInBlockState {
   kind: "let";
-  env: any;
   name: string;
   value: EditorState;
   inner: EditorState;
@@ -17,13 +19,26 @@ interface LetInBlockProps extends State2Props<LetInBlockState> {
 
 
 export function LetInBlock({state, setState, onResolve}: LetInBlockProps) {
-  const {env, name, value, inner, resolved} = state;
+  const {name, value, inner} = state;
+  const env = useContext(EnvContext);
+  const nameRef = useRef<HTMLInputElement>(null);
+
   const onChangeName = (e: React.ChangeEvent<HTMLInputElement>) => {
     setState({...state, name: e.target.value});
   }
+
+  useEffect(() => {
+    nameRef.current?.focus();
+  }, []);
+
+  useEffect(() => autoInputWidth(nameRef, name), [nameRef, name]);
+
+  const innerEnv = (name !== '') && value.resolved
+     && growEnv(env)(name)(value.resolved) || env;
   return <span className="letIn">
     <div className="decl">
       let <input
+        ref={nameRef}
         className='editable'
         value={name}
         placeholder="<variable name>"
@@ -36,16 +51,18 @@ export function LetInBlock({state, setState, onResolve}: LetInBlockProps) {
         onCancel={() => {} }
         setState={(state: EditorState) => {} }
         />
-      in
+      &nbsp;in
     </div>
     <div className="inner">
+      <EnvContext value={innerEnv}>
         <Editor
           state={inner}
+          setState={innerState => setState({...state, inner})}
           filter={() => true}
-        onResolve={(state: EditorState) => {} }
+          onResolve={onResolve}
           onCancel={() => {}}
-        setState={(state: EditorState) => {} }
           />
+      </EnvContext>
     </div>
   </span>
 }

src/configurations.ts

@@ -1,39 +1,30 @@
-import { getDefaultTypeParser, module2Env, ModuleStd, trie, Int, apply } from "dope2";
+import { apply, Int, trie } from "dope2";
 import type { EditorState } from "./Editor";
-
+import { extendedEnv } from "./EnvContext";
-const mkType = getDefaultTypeParser();
-export const extendedEnv = module2Env(ModuleStd.concat([
-  ["functionWith3Params", { i: i => j => k => i + j + k, t: mkType("Int->Int->Int->Int") }],
-]));
 
 export const initialEditorState: EditorState = {
   kind: "input",
-  env: extendedEnv,
   text: "",
   resolved: undefined,
   focus: true,
 };
 
-const listPush = trie.get(initialEditorState.env.name2dyn)("list.push");
+const listPush = trie.get(extendedEnv.name2dyn)("list.push");
-const listEmptyList = trie.get(initialEditorState.env.name2dyn)("list.emptyList");
+const listEmptyList = trie.get(extendedEnv.name2dyn)("list.emptyList");
 const fourtyTwo = { i: 42n, t: Int };
 
 export const nonEmptyEditorState: EditorState = {
   kind: "call",
-  env: initialEditorState.env,
   fn: {
     kind: "call",
-    env: initialEditorState.env,
     fn: {
       kind: "input",
-      env: initialEditorState.env,
       text: "list.push",
       resolved: listPush,
       focus: false,
     },
     input: {
       kind: "input",
-      env: initialEditorState.env,
       text: "list.emptyList",
       resolved: listEmptyList,
       focus: false,
@@ -43,7 +34,6 @@ export const nonEmptyEditorState: EditorState = {
   },
   input: {
     kind: "input",
-    env: initialEditorState.env,
     text: "42",
     resolved: fourtyTwo,
     focus: false,
@@ -52,29 +42,24 @@ export const nonEmptyEditorState: EditorState = {
   resolved: undefined,
 };
 
-const functionWith3Params = trie.get(initialEditorState.env.name2dyn)("functionWith3Params");
+const functionWith3Params = trie.get(extendedEnv.name2dyn)("functionWith3Params");
 const fourtyThree = { i: 43n, t: Int };
 const fourtyFour = { i: 44n, t: Int };
 
 export const tripleFunctionCallEditorState: EditorState = {
   kind: "call",
-  env: initialEditorState.env,
   fn: {
     kind: "call",
-    env: initialEditorState.env,
     fn: {
       kind: "call",
-      env: initialEditorState.env,
       fn: {
         kind: "input",
-        env: initialEditorState.env,
         text: "functionWith3Params",
         resolved: functionWith3Params,
         focus: false,
       },
       input: {
         kind: "input",
-        env: initialEditorState.env,
         text: "42",
         resolved: fourtyTwo,
         focus: false,
@@ -83,7 +68,6 @@ export const tripleFunctionCallEditorState: EditorState = {
     },
     input: {
       kind: "input",
-      env: initialEditorState.env,
       text: "43",
       resolved: fourtyThree,
       focus: false,
@@ -92,7 +76,6 @@ export const tripleFunctionCallEditorState: EditorState = {
   },
   input: {
     kind: "input",
-    env: initialEditorState.env,
     text: "44",
     resolved: fourtyFour,
     focus: false,

src/util/dom_trickery.ts

@@ -1,3 +1,4 @@
+import type { Ref } from "react";
 
 // If there is a caret anywhere in the document (user entering text), returns the position of the caret in the focused element
 export function getCaretPosition(): number | undefined {
@@ -47,3 +48,9 @@ export function focusPrevElement() {
     setRightMostCaretPosition(prevElem);
   }
 }
+
+export const autoInputWidth = (inputRef: React.RefObject<HTMLInputElement| null>, text) => {
+  if (inputRef.current) {
+    inputRef.current.style.width = `${text.length === 0 ? 140 : (text.length*8.7)}px`;
+  }
+}