Begin serializer tests

package.json

@@ -17,10 +17,14 @@
     "build:css": "pollen -c gradio/js/theme/src/pollen.config.cjs && mv src/pollen.css node_modules/@gradio/theme/src"
   },
   "devDependencies": {
+    "@floating-ui/core": "^1.2.6",
+    "@floating-ui/dom": "^1.2.8",
     "@zerodevx/svelte-toast": "^0.9.3",
     "eslint": "^8.37.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-svelte3": "^4.0.0",
+    "happy-dom": "^9.18.3",
+    "jsdom": "^22.0.0",
     "prettier": "^2.8.7",
     "prettier-plugin-svelte": "^2.10.0",
     "sass": "^1.61.0",

pnpm-lock.yaml

@@ -122,6 +122,12 @@ importers:
         specifier: ^1.0.5
         version: 1.0.5(vite@4.3.1)
     devDependencies:
+      '@floating-ui/core':
+        specifier: ^1.2.6
+        version: 1.2.6
+      '@floating-ui/dom':
+        specifier: ^1.2.8
+        version: 1.2.8
       '@zerodevx/svelte-toast':
         specifier: ^0.9.3
         version: 0.9.3(svelte@3.58.0)
@@ -134,6 +140,12 @@ importers:
       eslint-plugin-svelte3:
         specifier: ^4.0.0
         version: 4.0.0(eslint@8.37.0)(svelte@3.58.0)
+      happy-dom:
+        specifier: ^9.18.3
+        version: 9.18.3
+      jsdom:
+        specifier: ^22.0.0
+        version: 22.0.0
       prettier:
         specifier: ^2.8.7
         version: 2.8.7
@@ -172,7 +184,7 @@ importers:
         version: 4.0.8(typescript@5.0.3)(vite@4.3.1)
       vitest:
         specifier: ^0.25.8
-        version: 0.25.8(sass@1.61.0)
+        version: 0.25.8(happy-dom@9.18.3)(jsdom@22.0.0)(sass@1.61.0)
 
   gradio/client/js:
     dependencies:
@@ -1677,13 +1689,11 @@ packages:
 
   /@floating-ui/core@1.2.6:
     resolution: {integrity: sha512-EvYTiXet5XqweYGClEmpu3BoxmsQ4hkj3QaYA6qEnigCWffTP3vNRwBReTdrwDwo7OoJ3wM8Uoe9Uk4n+d4hfg==}
-    dev: false
 
-  /@floating-ui/dom@1.2.6:
+  /@floating-ui/dom@1.2.8:
-    resolution: {integrity: sha512-02vxFDuvuVPs22iJICacezYJyf7zwwOCWkPNkWNBr1U0Qt1cKFYzWvxts0AmqcOQGwt/3KJWcWIgtbUU38keyw==}
+    resolution: {integrity: sha512-XLwhYV90MxiHDq6S0rzFZj00fnDM+A1R9jhSioZoMsa7G0Q0i+Q4x40ajR8FHSdYDE1bgjG45mIWe6jtv9UPmg==}
     dependencies:
       '@floating-ui/core': 1.2.6
-    dev: false
 
   /@humanwhocodes/config-array@0.11.8:
     resolution: {integrity: sha512-UybHIJzJnR5Qc/MsD9Kr+RpO2h+/P1GhOwdiLPXK5TWk5sgTdu88bTD9UP+CKbPPh5Rni1u0GjAdYQLemG8g+g==}
@@ -3053,6 +3063,11 @@ packages:
       tslib: 2.5.0
     dev: false
 
+  /@tootallnate/once@2.0.0:
+    resolution: {integrity: sha512-XCuKFP5PS55gnMVu3dty8KPatLqUoy/ZYzDzAGCQ8JNFCkLXzmI7vNHCR+XpbZaMWQK/vQubr7PkYq8g470J/A==}
+    engines: {node: '>= 10'}
+    dev: true
+
   /@trysound/sax@0.2.0:
     resolution: {integrity: sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==}
     engines: {node: '>=10.13.0'}
@@ -3361,6 +3376,10 @@ packages:
       svelte: 3.58.0
     dev: true
 
+  /abab@2.0.6:
+    resolution: {integrity: sha512-j2afSsaIENvHZN2B8GOpF566vZ5WVk5opAiMTvWgaQT8DkbOqsTfvNAvHoRGU2zzP8cPoqys+xHTRDWW8L+/BA==}
+    dev: true
+
   /abbrev@1.1.1:
     resolution: {integrity: sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==}
     dev: false
@@ -3395,6 +3414,15 @@ packages:
       pako: 2.1.0
     dev: false
 
+  /agent-base@6.0.2:
+    resolution: {integrity: sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==}
+    engines: {node: '>= 6.0.0'}
+    dependencies:
+      debug: 4.3.4
+    transitivePeerDependencies:
+      - supports-color
+    dev: true
+
   /ajv@6.12.6:
     resolution: {integrity: sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==}
     dependencies:
@@ -3476,7 +3504,6 @@ packages:
 
   /asynckit@0.4.0:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
-    dev: false
 
   /automation-events@6.0.0:
     resolution: {integrity: sha512-mSOnckbtuJso8cczB+broNsfcuDIQ+J4GFhlW/V3iD+LAXbS4XGHhdjYvtPnCKclKcvs9cVLtUMUkNncOzUQPg==}
@@ -3896,7 +3923,6 @@ packages:
     engines: {node: '>= 0.8'}
     dependencies:
       delayed-stream: 1.0.0
-    dev: false
 
   /commander@2.20.3:
     resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
@@ -4053,6 +4079,10 @@ packages:
     engines: {node: '>= 6'}
     dev: false
 
+  /css.escape@1.5.1:
+    resolution: {integrity: sha512-YUifsXXuknHlUsmlgyY0PKzgPOr7/FjCePfHNt0jxm83wHZi44VDMQ7/fGNkjY3/jV1MC+1CmZbaHzugyeRtpg==}
+    dev: true
+
   /cssesc@3.0.0:
     resolution: {integrity: sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==}
     engines: {node: '>=4'}
@@ -4065,6 +4095,13 @@ packages:
       css-tree: 1.1.3
     dev: false
 
+  /cssstyle@3.0.0:
+    resolution: {integrity: sha512-N4u2ABATi3Qplzf0hWbVCdjenim8F3ojEXpBDF5hBpjzW182MjNGLqfmQ0SkSPeQ+V86ZXgeH8aXj6kayd4jgg==}
+    engines: {node: '>=14'}
+    dependencies:
+      rrweb-cssom: 0.6.0
+    dev: true
+
   /d3-array@3.2.2:
     resolution: {integrity: sha512-yEEyEAbDrF8C6Ob2myOBLjwBLck1Z89jMGFee0oPsn95GqjerpaOA4ch+vc2l0FNFFwMD5N7OCSEN5eAlsUbgQ==}
     engines: {node: '>=12'}
@@ -4227,6 +4264,15 @@ packages:
     engines: {node: '>=4'}
     dev: false
 
+  /data-urls@4.0.0:
+    resolution: {integrity: sha512-/mMTei/JXPqvFqQtfyTowxmJVwr2PVAeCcDxyFf6LhoOu/09TX2OX3kb2wzi4DMXcfj4OItwDOnhl5oziPnT6g==}
+    engines: {node: '>=14'}
+    dependencies:
+      abab: 2.0.6
+      whatwg-mimetype: 3.0.0
+      whatwg-url: 12.0.1
+    dev: true
+
   /datalib@1.9.3:
     resolution: {integrity: sha512-9rcwGd3zhvmJChyLzL5jjZ6UEtWO0SKa9Ycy6RVoQxSW43TSOBRbizj/Zn8UonfpBjCikHEQrJyE72Xw5eCY5A==}
     dependencies:
@@ -4257,6 +4303,10 @@ packages:
     dependencies:
       ms: 2.1.2
 
+  /decimal.js@10.4.3:
+    resolution: {integrity: sha512-VBBaLc1MgL5XpzgIP7ny5Z6Nx3UrRkIViUkPUdtl9aya5amy3De1gsUUSB1g3+3sExYNjCAsAznmukyxCb1GRA==}
+    dev: true
+
   /dedent@0.7.0:
     resolution: {integrity: sha512-Q6fKUPqnAHAyhiUgFU7BUzLiv0kd8saH9al7tnu5Q/okj6dnupxyTgFIBjVzJATdfIAm9NAsvXNzjaKa+bxVyA==}
     dev: true
@@ -4284,7 +4334,6 @@ packages:
   /delayed-stream@1.0.0:
     resolution: {integrity: sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==}
     engines: {node: '>=0.4.0'}
-    dev: false
 
   /dequal@2.0.2:
     resolution: {integrity: sha512-q9K8BlJVxK7hQYqa6XISGmBZbtQQWVXSrRrWreHC94rMt1QL/Impruc+7p2CYSYuVIUr+YCt6hjrs1kkdJRTug==}
@@ -4353,6 +4402,13 @@ packages:
     resolution: {integrity: sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==}
     dev: false
 
+  /domexception@4.0.0:
+    resolution: {integrity: sha512-A2is4PLG+eeSfoTMA95/s4pvAoSo2mKtiM5jlHkAVewmiO8ISFTFKZjH7UAM1Atli/OT/7JHOrJRJiMKUZKYBw==}
+    engines: {node: '>=12'}
+    dependencies:
+      webidl-conversions: 7.0.0
+    dev: true
+
   /domhandler@4.3.1:
     resolution: {integrity: sha512-GrwoxYN+uWlzO8uhUXRl0P+kHE4GtVPfYzVLcUxPL7KNdHKj66vvlhiweIHqYYXWlw+T8iLMp42Lm67ghw4WMQ==}
     engines: {node: '>= 4'}
@@ -4415,6 +4471,11 @@ packages:
     engines: {node: '>=0.12'}
     dev: false
 
+  /entities@4.5.0:
+    resolution: {integrity: sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==}
+    engines: {node: '>=0.12'}
+    dev: true
+
   /error-ex@1.3.2:
     resolution: {integrity: sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==}
     dependencies:
@@ -5045,6 +5106,15 @@ packages:
       mime-types: 2.1.34
     dev: false
 
+  /form-data@4.0.0:
+    resolution: {integrity: sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==}
+    engines: {node: '>= 6'}
+    dependencies:
+      asynckit: 0.4.0
+      combined-stream: 1.0.8
+      mime-types: 2.1.34
+    dev: true
+
   /fraction.js@4.2.0:
     resolution: {integrity: sha512-MhLuK+2gUcnZe8ZHlaaINnQLl0xRIGRfcGk2yl8xoQAfHrSsL3rYu6FCmBdkdbhc9EPlwyGHewaRsvwRMJtAlA==}
     dev: true
@@ -5328,6 +5398,17 @@ packages:
     resolution: {integrity: sha512-bzh50DW9kTPM00T8y4o8vQg89Di9oLJVLW/KaOGIXJWP/iqCN6WKYkbNOF04vFLJhwcpYUh9ydh/+5vpOqV4YQ==}
     dev: true
 
+  /happy-dom@9.18.3:
+    resolution: {integrity: sha512-b7iMGYeIXvUryNultA0AHEVU0FPpb2djJ/xSVlMDfP7HG4z7FomdqkCEpWtSv1zDL+t1gRUoBbpqFCoUBvjYtg==}
+    dependencies:
+      css.escape: 1.5.1
+      entities: 4.5.0
+      iconv-lite: 0.6.3
+      webidl-conversions: 7.0.0
+      whatwg-encoding: 2.0.0
+      whatwg-mimetype: 3.0.0
+    dev: true
+
   /har-schema@2.0.0:
     resolution: {integrity: sha512-Oqluz6zhGX8cyRaTQlFMPw80bSJVG2x/cFb8ZPhUILGgHka9SsokCCOQgpveePerqidZOrT14ipqfJb7ILcW5Q==}
     engines: {node: '>=4'}
@@ -5365,6 +5446,13 @@ packages:
     resolution: {integrity: sha512-983Vyg8NwUE7JkZ6NmOqpCZ+sh1bKv2iYTlUkzlWmA5JD2acKoxd4KVxbMmxX/85mtfdnDmTFoNKcg5DGAvxNQ==}
     dev: false
 
+  /html-encoding-sniffer@3.0.0:
+    resolution: {integrity: sha512-oWv4T4yJ52iKrufjnyZPkrN0CH3QnrUqdB6In1g5Fe1mia8GmF36gnfNySxoZtxD5+NmYw1EElVXiBk93UeskA==}
+    engines: {node: '>=12'}
+    dependencies:
+      whatwg-encoding: 2.0.0
+    dev: true
+
   /html-escaper@2.0.2:
     resolution: {integrity: sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==}
     dev: true
@@ -5423,6 +5511,17 @@ packages:
       parse-cache-control: 1.0.1
     dev: false
 
+  /http-proxy-agent@5.0.0:
+    resolution: {integrity: sha512-n2hY8YdoRE1i7r6M0w9DIw5GgZN0G25P8zLCRQ8rjXtTU3vsNFBI/vWK/UIeE6g5MUUz6avwAPXmL6Fy9D/90w==}
+    engines: {node: '>= 6'}
+    dependencies:
+      '@tootallnate/once': 2.0.0
+      agent-base: 6.0.2
+      debug: 4.3.4
+    transitivePeerDependencies:
+      - supports-color
+    dev: true
+
   /http-response-object@3.0.2:
     resolution: {integrity: sha512-bqX0XTF6fnXSQcEJ2Iuyr75yVakyjIDCqroJQ/aHfSdlM743Cwqoi2nDYMzLGWUcuTWGWy8AAvOKXTfiv6q9RA==}
     dependencies:
@@ -5438,6 +5537,16 @@ packages:
       sshpk: 1.17.0
     dev: false
 
+  /https-proxy-agent@5.0.1:
+    resolution: {integrity: sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==}
+    engines: {node: '>= 6'}
+    dependencies:
+      agent-base: 6.0.2
+      debug: 4.3.4
+    transitivePeerDependencies:
+      - supports-color
+    dev: true
+
   /human-signals@2.1.0:
     resolution: {integrity: sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==}
     engines: {node: '>=10.17.0'}
@@ -5448,7 +5557,6 @@ packages:
     engines: {node: '>=0.10.0'}
     dependencies:
       safer-buffer: 2.1.2
-    dev: false
 
   /ieee754@1.2.1:
     resolution: {integrity: sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==}
@@ -5565,6 +5673,10 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /is-potential-custom-element-name@1.0.1:
+    resolution: {integrity: sha512-bCYeRA2rVibKZd+s2625gGnGF/t7DSqDs4dP7CrLA1m7jKWz6pps0LpYLJN8Q64HtmPKJ1hrN3nzPNKFEKOUiQ==}
+    dev: true
+
   /is-stream@2.0.1:
     resolution: {integrity: sha512-hFoiJiTl63nn+kstHGBtewWSKnQLpyb155KHheA1l39uvtO9nWIop1p3udqPcUd/xbF1VLMO4n7OI6p7RbngDg==}
     engines: {node: '>=8'}
@@ -6136,6 +6248,44 @@ packages:
     resolution: {integrity: sha512-UVU9dibq2JcFWxQPA6KCqj5O42VOmAY3zQUfEKxU0KpTGXwNoCjkX1e13eHNvw/xPynt6pU0rZ1htjWTNTSXsg==}
     dev: false
 
+  /jsdom@22.0.0:
+    resolution: {integrity: sha512-p5ZTEb5h+O+iU02t0GfEjAnkdYPrQSkfuTSMkMYyIoMvUNEHsbG0bHHbfXIcfTqD2UfvjQX7mmgiFsyRwGscVw==}
+    engines: {node: '>=16'}
+    peerDependencies:
+      canvas: ^2.5.0
+    peerDependenciesMeta:
+      canvas:
+        optional: true
+    dependencies:
+      abab: 2.0.6
+      cssstyle: 3.0.0
+      data-urls: 4.0.0
+      decimal.js: 10.4.3
+      domexception: 4.0.0
+      form-data: 4.0.0
+      html-encoding-sniffer: 3.0.0
+      http-proxy-agent: 5.0.0
+      https-proxy-agent: 5.0.1
+      is-potential-custom-element-name: 1.0.1
+      nwsapi: 2.2.4
+      parse5: 7.1.2
+      rrweb-cssom: 0.6.0
+      saxes: 6.0.0
+      symbol-tree: 3.2.4
+      tough-cookie: 4.1.2
+      w3c-xmlserializer: 4.0.0
+      webidl-conversions: 7.0.0
+      whatwg-encoding: 2.0.0
+      whatwg-mimetype: 3.0.0
+      whatwg-url: 12.0.1
+      ws: 8.13.0
+      xml-name-validator: 4.0.0
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
+    dev: true
+
   /jsesc@2.5.2:
     resolution: {integrity: sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==}
     engines: {node: '>=4'}
@@ -6515,14 +6665,12 @@ packages:
   /mime-db@1.51.0:
     resolution: {integrity: sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g==}
     engines: {node: '>= 0.6'}
-    dev: false
 
   /mime-types@2.1.34:
     resolution: {integrity: sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==}
     engines: {node: '>= 0.6'}
     dependencies:
       mime-db: 1.51.0
-    dev: false
 
   /mime@3.0.0:
     resolution: {integrity: sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A==}
@@ -6715,6 +6863,10 @@ packages:
     resolution: {integrity: sha512-2vPPEi+Z7WqML2jZYddDIfy5Dqb0r2fze2zTxNNknZaFpVHU3mFB3R+DWeJWGVx0ecvttSGlJTI+WG+8Z4cDWw==}
     dev: false
 
+  /nwsapi@2.2.4:
+    resolution: {integrity: sha512-NHj4rzRo0tQdijE9ZqAx6kYDcoRwYwSYzCA8MY3JzfxlrvEU0jhnhJT9BhqhJs7I/dKcrDm6TyulaRqZPIhN5g==}
+    dev: true
+
   /oauth-sign@0.9.0:
     resolution: {integrity: sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==}
     dev: false
@@ -6860,6 +7012,12 @@ packages:
       json-parse-even-better-errors: 2.3.1
       lines-and-columns: 1.2.4
 
+  /parse5@7.1.2:
+    resolution: {integrity: sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==}
+    dependencies:
+      entities: 4.5.0
+    dev: true
+
   /path-browserify@1.0.1:
     resolution: {integrity: sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==}
     dev: false
@@ -7114,7 +7272,6 @@ packages:
 
   /psl@1.9.0:
     resolution: {integrity: sha512-E/ZsdU4HLs/68gYzgGTkMicWTLPdAftJLfJFlLUAAKZGkStNU72sZjT66SnMDVOfOWY/YAoiD7Jxa9iHvngcag==}
-    dev: false
 
   /punycode@2.3.0:
     resolution: {integrity: sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA==}
@@ -7136,6 +7293,10 @@ packages:
     engines: {node: '>=0.6'}
     dev: false
 
+  /querystringify@2.2.0:
+    resolution: {integrity: sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==}
+    dev: true
+
   /queue-microtask@1.2.3:
     resolution: {integrity: sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==}
 
@@ -7252,6 +7413,10 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: true
 
+  /requires-port@1.0.0:
+    resolution: {integrity: sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==}
+    dev: true
+
   /resize-observer-polyfill@1.5.1:
     resolution: {integrity: sha512-LwZrotdHOo12nQuZlHEmtuXdqGoOD0OhaxopaNFxWzInpEgaLWoVuAMbTzixuosCx2nEG58ngzW3vxdWoxIgdg==}
     dev: false
@@ -7332,6 +7497,10 @@ packages:
     optionalDependencies:
       fsevents: 2.3.2
 
+  /rrweb-cssom@0.6.0:
+    resolution: {integrity: sha512-APM0Gt1KoXBz0iIkkdB/kfvGOwC4UuJFeG/c+yV7wSc7q96cG/kJ0HiYCnzivD9SB53cLV1MlHFNfOuPaadYSw==}
+    dev: true
+
   /run-parallel@1.2.0:
     resolution: {integrity: sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==}
     dependencies:
@@ -7370,7 +7539,6 @@ packages:
 
   /safer-buffer@2.1.2:
     resolution: {integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==}
-    dev: false
 
   /sander@0.5.1:
     resolution: {integrity: sha512-3lVqBir7WuKDHGrKRDn/1Ye3kwpXaDOMsiRP1wd6wpZW56gJhsbp5RqQpA6JG/P+pkXizygnr1dKR8vzWaVsfA==}
@@ -7389,6 +7557,13 @@ packages:
       immutable: 4.3.0
       source-map-js: 1.0.2
 
+  /saxes@6.0.0:
+    resolution: {integrity: sha512-xAg7SOnEhrm5zI3puOOKyy1OMcMlIJZYNJY7xLBwSze0UjhPLnWfj2GF2EpT0jmzaJKIWKHLsaSSajf35bcYnA==}
+    engines: {node: '>=v12.22.7'}
+    dependencies:
+      xmlchars: 2.2.0
+    dev: true
+
   /semver@5.7.1:
     resolution: {integrity: sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==}
     hasBin: true
@@ -7782,7 +7957,7 @@ packages:
     resolution: {integrity: sha512-8Ifi5CD2Ui7FX7NjJRmutFtXjrB8T/FMNoS2H8P81t5LHK4I9G4NIs007rLWG/nRl7y+zJUXa3tWuTjYXw/O5A==}
     dependencies:
       '@floating-ui/core': 1.2.6
-      '@floating-ui/dom': 1.2.6
+      '@floating-ui/dom': 1.2.8
     dev: false
 
   /svelte-hmr@0.15.1(svelte@3.58.0):
@@ -7953,7 +8128,7 @@ packages:
   /svelte-select@5.5.3:
     resolution: {integrity: sha512-0QIiEmyon3bqoenFtR/BhamMpMmzOWWg1ctE7xxwP7nEnZhAGGoTra1HPPfEyT6C6gVaOFgCpdBaZoM8DEHlEw==}
     dependencies:
-      '@floating-ui/dom': 1.2.6
+      '@floating-ui/dom': 1.2.8
       svelte-floating-ui: 1.2.8
     dev: false
 
@@ -8007,6 +8182,10 @@ packages:
       ssr-window: 4.0.2
     dev: false
 
+  /symbol-tree@3.2.4:
+    resolution: {integrity: sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==}
+    dev: true
+
   /sync-request@6.1.0:
     resolution: {integrity: sha512-8fjNkrNlNCrVc/av+Jn+xxqfCjYaBoHqCsDz6mt030UMxJGr+GSfCV1dQt2gRtlL63+VPidwDVLr7V2OcTSdRw==}
     engines: {node: '>=8.0.0'}
@@ -8195,10 +8374,27 @@ packages:
       punycode: 2.3.0
     dev: false
 
+  /tough-cookie@4.1.2:
+    resolution: {integrity: sha512-G9fqXWoYFZgTc2z8Q5zaHy/vJMjm+WV0AkAeHxVCQiEB1b+dGvWzFW6QV07cY5jQ5gRkeid2qIkzkxUnmoQZUQ==}
+    engines: {node: '>=6'}
+    dependencies:
+      psl: 1.9.0
+      punycode: 2.3.0
+      universalify: 0.2.0
+      url-parse: 1.5.10
+    dev: true
+
   /tr46@0.0.3:
     resolution: {integrity: sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==}
     dev: false
 
+  /tr46@4.1.1:
+    resolution: {integrity: sha512-2lv/66T7e5yNyhAAC4NaKe5nVavzuGJQVVtRYLyQ2OI8tsJ61PMLlelehb0wi2Hx6+hT/OJUWZcw8MjlSRnxvw==}
+    engines: {node: '>=14'}
+    dependencies:
+      punycode: 2.3.0
+    dev: true
+
   /ts-interface-checker@0.1.13:
     resolution: {integrity: sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==}
 
@@ -8306,6 +8502,11 @@ packages:
     engines: {node: '>= 4.0.0'}
     dev: false
 
+  /universalify@0.2.0:
+    resolution: {integrity: sha512-CJ1QgKmNg3CwvAv/kOFmtnEN05f0D/cn9QntgNOQlQF9dgvVTHj3t+8JPdjqawCHk7V/KA+fbUqzZ9XWhcqPUg==}
+    engines: {node: '>= 4.0.0'}
+    dev: true
+
   /universalify@2.0.0:
     resolution: {integrity: sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==}
     engines: {node: '>= 10.0.0'}
@@ -8325,6 +8526,13 @@ packages:
     dependencies:
       punycode: 2.3.0
 
+  /url-parse@1.5.10:
+    resolution: {integrity: sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==}
+    dependencies:
+      querystringify: 2.2.0
+      requires-port: 1.0.0
+    dev: true
+
   /util-deprecate@1.0.2:
     resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
 
@@ -9154,7 +9362,7 @@ packages:
       vite: 4.3.1(sass@1.61.0)
     dev: false
 
-  /vitest@0.25.8(sass@1.61.0):
+  /vitest@0.25.8(happy-dom@9.18.3)(jsdom@22.0.0)(sass@1.61.0):
     resolution: {integrity: sha512-X75TApG2wZTJn299E/TIYevr4E9/nBo1sUtZzn0Ci5oK8qnpZAZyhwg0qCeMSakGIWtc6oRwcQFyFfW14aOFWg==}
     engines: {node: '>=v14.16.0'}
     hasBin: true
@@ -9183,6 +9391,8 @@ packages:
       acorn-walk: 8.2.0
       chai: 4.3.7
       debug: 4.3.4
+      happy-dom: 9.18.3
+      jsdom: 22.0.0
       local-pkg: 0.4.3
       source-map: 0.6.1
       strip-literal: 1.0.1
@@ -9308,6 +9518,13 @@ packages:
     resolution: {integrity: sha512-f+fciywl1SJEniZHD6H+kUO8gOnwIr7f4ijKA6+ZvJFjeGi1r4PDLl53Ayud9O/rk64RqgoQine0feoeOU0kXg==}
     dev: false
 
+  /w3c-xmlserializer@4.0.0:
+    resolution: {integrity: sha512-d+BFHzbiCx6zGfz0HyQ6Rg69w9k19nviJspaj4yNscGjrHu94sVP+aRm75yEbCh+r2/yR+7q6hux9LVtbuTGBw==}
+    engines: {node: '>=14'}
+    dependencies:
+      xml-name-validator: 4.0.0
+    dev: true
+
   /walker@1.0.8:
     resolution: {integrity: sha512-ts/8E8l5b7kY0vlWLewOkDXMmPdLcVV4GmOQLyxuSswIJsweeFZtAsMF7k1Nszz+TYBQrlYRmzOnr398y1JemQ==}
     dependencies:
@@ -9322,11 +9539,36 @@ packages:
     resolution: {integrity: sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==}
     dev: false
 
+  /webidl-conversions@7.0.0:
+    resolution: {integrity: sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==}
+    engines: {node: '>=12'}
+    dev: true
+
   /well-known-symbols@2.0.0:
     resolution: {integrity: sha512-ZMjC3ho+KXo0BfJb7JgtQ5IBuvnShdlACNkKkdsqBmYw3bPAaJfPeYUo6tLUaT5tG/Gkh7xkpBhKRQ9e7pyg9Q==}
     engines: {node: '>=6'}
     dev: false
 
+  /whatwg-encoding@2.0.0:
+    resolution: {integrity: sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==}
+    engines: {node: '>=12'}
+    dependencies:
+      iconv-lite: 0.6.3
+    dev: true
+
+  /whatwg-mimetype@3.0.0:
+    resolution: {integrity: sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==}
+    engines: {node: '>=12'}
+    dev: true
+
+  /whatwg-url@12.0.1:
+    resolution: {integrity: sha512-Ed/LrqB8EPlGxjS+TrsXcpUond1mhccS3pchLhzSgPCnTimUCKj3IZE75pAs5m6heB2U2TMerKFUXheyHY+VDQ==}
+    engines: {node: '>=14'}
+    dependencies:
+      tr46: 4.1.1
+      webidl-conversions: 7.0.0
+    dev: true
+
   /whatwg-url@5.0.0:
     resolution: {integrity: sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==}
     dependencies:
@@ -9405,7 +9647,15 @@ packages:
         optional: true
       utf-8-validate:
         optional: true
-    dev: false
+
+  /xml-name-validator@4.0.0:
+    resolution: {integrity: sha512-ICP2e+jsHvAj2E2lIHxa5tjXRlKDJo4IdvPvCXbXQGdzSfmSpNVyIKMvoZHjDY9DP0zV17iI85o90vRFXNccRw==}
+    engines: {node: '>=12'}
+    dev: true
+
+  /xmlchars@2.2.0:
+    resolution: {integrity: sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==}
+    dev: true
 
   /xtend@2.2.0:
     resolution: {integrity: sha512-SLt5uylT+4aoXxXuwtQp5ZnMMzhDb1Xkg4pEqc00WUJCQifPfV9Ub1VrNhp9kXkrjZD2I2Hl8WnjP37jzZLPZw==}

src/lib/ComfyGraph.ts

@@ -116,19 +116,19 @@ export default class ComfyGraph extends LGraph {
             }
         }
 
-        console.debug("Added", node);
+        // console.debug("Added", node);
         this.eventBus.emit("nodeAdded", node);
     }
 
     override onNodeRemoved(node: LGraphNode, options: LGraphRemoveNodeOptions) {
         layoutState.nodeRemoved(node, options);
 
-        console.debug("Removed", node);
+        // console.debug("Removed", node);
         this.eventBus.emit("nodeRemoved", node);
     }
 
     override onNodeConnectionChange(kind: LConnectionKind, node: LGraphNode, slot: SlotIndex, targetNode: LGraphNode, targetSlot: SlotIndex) {
-        console.debug("ConnectionChange", node);
+        // console.debug("ConnectionChange", node);
         this.eventBus.emit("nodeConnectionChanged", kind, node, slot, targetNode, targetSlot);
     }
 }

src/lib/components/ComfyApp.ts

@@ -541,7 +541,7 @@ export default class ComfyApp {
      * @returns The workflow and node links
      */
     graphToPrompt(tag: string | null = null): SerializedPrompt {
-        return this.promptSerializer.serializePrompt(this.lGraph, tag)
+        return this.promptSerializer.serialize(this.lGraph, tag)
     }
 
     async queuePrompt(num: number, batchCount: number = 1, tag: string | null = null) {

src/lib/components/ComfyPromptSerializer.ts

@@ -1,7 +1,7 @@
 import type ComfyGraph from "$lib/ComfyGraph";
 import type { ComfyBackendNode } from "$lib/nodes/ComfyBackendNode";
 import type ComfyGraphNode from "$lib/nodes/ComfyGraphNode";
-import { LGraphNode, NodeMode } from "@litegraph-ts/core";
+import { GraphInput, LGraphNode, LLink, NodeMode, Subgraph } from "@litegraph-ts/core";
 import type { SerializedPrompt, SerializedPromptInput, SerializedPromptInputs, SerializedPromptInputsAll } from "./ComfyApp";
 import type IComfyInputSlot from "$lib/IComfyInputSlot";
 
@@ -26,6 +26,34 @@ function isActiveBackendNode(node: ComfyGraphNode, tag: string | null): node is
     return true;
 }
 
+function followSubgraph(subgraph: Subgraph, link: LLink): LLink | null {
+    if (link.origin_id != subgraph.id)
+        throw new Error("A!")
+
+    const innerGraphOutput = subgraph.getInnerGraphOutputByIndex(link.origin_slot)
+    if (innerGraphOutput == null)
+        throw new Error("No inner graph input!")
+
+    const nextLink = innerGraphOutput.getInputLink(0)
+    return nextLink;
+}
+
+function followGraphInput(graphInput: GraphInput, link: LLink): LLink | null {
+    if (link.origin_id != graphInput.id)
+        throw new Error("A!")
+
+    const outerSubgraph = graphInput.getParentSubgraph();
+    if (outerSubgraph == null)
+        throw new Error("No outer subgraph!")
+
+    const outerInputIndex = outerSubgraph.inputs.findIndex(i => i.name === graphInput.nameInGraph)
+    if (outerInputIndex == null)
+        throw new Error("No outer input slot!")
+
+    const nextLink = outerSubgraph.getInputLink(outerInputIndex)
+    return nextLink;
+}
+
 export default class ComfyPromptSerializer {
     serializeInputValues(node: ComfyBackendNode): Record<string, SerializedPromptInput> {
         // Store input values passed by frontend-only nodes
@@ -107,12 +135,21 @@ export default class ComfyPromptSerializer {
                 // nodes have conditional logic that determines which link
                 // to follow backwards.
                 while (isFrontendParent(parent)) {
-                    if (!("getUpstreamLink" in parent)) {
+                    let nextLink = null;
+                    if (parent.is(Subgraph)) {
+                        nextLink = followSubgraph(parent, link);
+                    }
+                    else if (parent.is(GraphInput)) {
+                        nextLink = followGraphInput(parent, link);
+                    }
+                    else if ("getUpstreamLink" in parent) {
+                        nextLink = parent.getUpstreamLink();
+                    }
+                    else {
                         console.warn("[graphToPrompt] Node does not support getUpstreamLink", parent.type)
                         break;
                     }
 
-                    const nextLink = parent.getUpstreamLink()
                     if (nextLink == null) {
                         console.warn("[graphToPrompt] No upstream link found in frontend node", parent)
                         break;
@@ -152,7 +189,7 @@ export default class ComfyPromptSerializer {
         return inputs
     }
 
-    serializePrompt(graph: ComfyGraph, tag: string | null = null): SerializedPrompt {
+    serialize(graph: ComfyGraph, tag: string | null = null): SerializedPrompt {
         // Run frontend-only logic
         graph.runStep(1)
 
@@ -161,7 +198,7 @@ export default class ComfyPromptSerializer {
         const output: SerializedPromptInputsAll = {};
 
         // Process nodes in order of execution
-        for (const node of graph.computeExecutionOrder<ComfyGraphNode>(false, null)) {
+        for (const node of graph.computeExecutionOrderRecursive<ComfyGraphNode>(false, null)) {
             const n = workflow.nodes.find((n) => n.id === node.id);
 
             if (!isActiveBackendNode(node, tag)) {

vite.config.ts

@@ -72,6 +72,13 @@ export default defineConfig({
         // }
     },
     test: {
-        include: ['litegraph/packages/tests/src/main.ts']
+        environment: 'jsdom',
+        deps: {
+            inline: [/^svelte/, /^@floating-ui/, /dist/, "skeleton-elements", "mdn-polyfills"]
+        },
+        include: [
+            'litegraph/packages/tests/src/main.ts',
+            'src/tests/main.ts'
+        ]
     }
 });