diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..e9ee3cb
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+legacy-peer-deps=true
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 6f7c6fe..e0528d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,17 +10,16 @@
       "license": "MIT",
       "dependencies": {
         "@projectevergreen/acorn-jsx-esm": "~0.1.0",
+        "@projectevergreen/escodegen-esm": "0.1.0",
         "acorn": "^8.7.0",
         "acorn-walk": "^8.2.0",
-        "escodegen": "^2.0.0",
         "parse5": "^6.0.1"
       },
       "devDependencies": {
         "@ls-lint/ls-lint": "^1.10.0",
         "@mapbox/rehype-prism": "^0.8.0",
-        "@rollup/plugin-commonjs": "^22.0.0",
-        "@rollup/plugin-json": "^4.1.0",
-        "@rollup/plugin-node-resolve": "^13.3.0",
+        "@rollup/plugin-commonjs": "^25.0.7",
+        "@rollup/plugin-node-resolve": "^15.2.3",
         "c8": "^7.11.2",
         "chai": "^4.3.6",
         "concurrently": "^7.1.0",
@@ -41,7 +40,7 @@
         "remark-rehype": "^10.1.0",
         "remark-toc": "^8.0.1",
         "rimraf": "^3.0.2",
-        "rollup": "^2.75.7",
+        "rollup": "^3.29.3",
         "simple.css": "^0.1.3",
         "unified": "^10.1.2"
       },
@@ -120,11 +119,10 @@
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     },
     "node_modules/@jridgewell/sourcemap-codec": {
-      "version": "1.4.11",
-      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.11.tgz",
-      "integrity": "sha512-Fg32GrJo61m+VqYSdRSjRXMjQ06j8YIYfcTqndLYVAaHmroZHLJZCydsWBOTDqXS2v+mjxohBWEMfg97GXmYQg==",
-      "dev": true,
-      "license": "MIT"
+      "version": "1.4.15",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz",
+      "integrity": "sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==",
+      "dev": true
     },
     "node_modules/@jridgewell/trace-mapping": {
       "version": "0.3.9",
@@ -221,25 +219,86 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
+    "node_modules/@projectevergreen/escodegen-esm": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@projectevergreen/escodegen-esm/-/escodegen-esm-0.1.0.tgz",
+      "integrity": "sha512-LM9FFffsXPHiOFt78K3bgF8kO8Fx+qluAPy9jP3H4lvCFE+2nbwQM4cWdOpVik++rHf4pkDA7FxDPWWATyBABg==",
+      "dependencies": {
+        "esprima": "^4.0.1",
+        "estraverse": "^5.2.0",
+        "esutils": "^2.0.2"
+      },
+      "bin": {
+        "escodegen": "bin/escodegen.js",
+        "esgenerate": "bin/esgenerate.js"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "optionalDependencies": {
+        "source-map": "~0.6.1"
+      }
+    },
     "node_modules/@rollup/plugin-commonjs": {
-      "version": "22.0.0",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-22.0.0.tgz",
-      "integrity": "sha512-Ktvf2j+bAO+30awhbYoCaXpBcyPmJbaEUYClQns/+6SNCYFURbvBiNbWgHITEsIgDDWCDUclWRKEuf8cwZCFoQ==",
+      "version": "25.0.7",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-commonjs/-/plugin-commonjs-25.0.7.tgz",
+      "integrity": "sha512-nEvcR+LRjEjsaSsc4x3XZfCCvZIaSMenZu/OiwOKGN2UhQpAYI7ru7czFvyWbErlpoGjnSX3D5Ch5FcMA3kRWQ==",
       "dev": true,
       "dependencies": {
-        "@rollup/pluginutils": "^3.1.0",
+        "@rollup/pluginutils": "^5.0.1",
         "commondir": "^1.0.1",
-        "estree-walker": "^2.0.1",
-        "glob": "^7.1.6",
-        "is-reference": "^1.2.1",
-        "magic-string": "^0.25.7",
-        "resolve": "^1.17.0"
+        "estree-walker": "^2.0.2",
+        "glob": "^8.0.3",
+        "is-reference": "1.2.1",
+        "magic-string": "^0.30.3"
       },
       "engines": {
-        "node": ">= 12.0.0"
+        "node": ">=14.0.0"
+      },
+      "peerDependencies": {
+        "rollup": "^2.68.0||^3.0.0||^4.0.0"
+      },
+      "peerDependenciesMeta": {
+        "rollup": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@rollup/plugin-commonjs/node_modules/@rollup/pluginutils": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-5.1.0.tgz",
+      "integrity": "sha512-XTIWOPPcpvyKI6L1NHo0lFlCyznUEyPmPY1mc3KpPVDYulHSTvyeLNVW00QTLIAFNhR3kYnJTQHeGqU4M3n09g==",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "^1.0.0",
+        "estree-walker": "^2.0.2",
+        "picomatch": "^2.3.1"
+      },
+      "engines": {
+        "node": ">=14.0.0"
       },
       "peerDependencies": {
-        "rollup": "^2.68.0"
+        "rollup": "^1.20.0||^2.0.0||^3.0.0||^4.0.0"
+      },
+      "peerDependenciesMeta": {
+        "rollup": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@rollup/plugin-commonjs/node_modules/@types/estree": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.5.tgz",
+      "integrity": "sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==",
+      "dev": true
+    },
+    "node_modules/@rollup/plugin-commonjs/node_modules/brace-expansion": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+      "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+      "dev": true,
+      "dependencies": {
+        "balanced-match": "^1.0.0"
       }
     },
     "node_modules/@rollup/plugin-commonjs/node_modules/estree-walker": {
@@ -248,55 +307,96 @@
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-      "resolved": "https://registry.npmjs.org/@rollup/plugin-json/-/plugin-json-4.1.0.tgz",
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+    "node_modules/@rollup/plugin-commonjs/node_modules/glob": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-8.1.0.tgz",
+      "integrity": "sha512-r8hpEjiQEYlF2QU0df3dS+nxxSIreXQS1qRhMJM0Q5NDdR386C7jb7Hwwod8Fgiuex+k0GFjgft18yvxm5XoCQ==",
       "dev": true,
       "dependencies": {
-        "@rollup/pluginutils": "^3.0.8"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^5.0.1",
+        "once": "^1.3.0"
       },
-      "peerDependencies": {
-        "rollup": "^1.20.0 || ^2.0.0"
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/@rollup/plugin-commonjs/node_modules/minimatch": {
+      "version": "5.1.6",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.6.tgz",
+      "integrity": "sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=10"
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     "node_modules/@rollup/plugin-node-resolve": {
-      "version": "13.3.0",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.3.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-15.2.3.tgz",
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       "dev": true,
       "dependencies": {
-        "@rollup/pluginutils": "^3.1.0",
-        "@types/resolve": "1.17.1",
+        "@rollup/pluginutils": "^5.0.1",
+        "@types/resolve": "1.20.2",
         "deepmerge": "^4.2.2",
-        "is-builtin-module": "^3.1.0",
+        "is-builtin-module": "^3.2.1",
         "is-module": "^1.0.0",
-        "resolve": "^1.19.0"
+        "resolve": "^1.22.1"
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-        "node": ">= 10.0.0"
+        "node": ">=14.0.0"
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       "peerDependencies": {
-        "rollup": "^2.42.0"
+        "rollup": "^2.78.0||^3.0.0||^4.0.0"
+      },
+      "peerDependenciesMeta": {
+        "rollup": {
+          "optional": true
+        }
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-    "node_modules/@rollup/pluginutils": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-3.1.0.tgz",
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+    "node_modules/@rollup/plugin-node-resolve/node_modules/@rollup/pluginutils": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/pluginutils/-/pluginutils-5.1.0.tgz",
+      "integrity": "sha512-XTIWOPPcpvyKI6L1NHo0lFlCyznUEyPmPY1mc3KpPVDYulHSTvyeLNVW00QTLIAFNhR3kYnJTQHeGqU4M3n09g==",
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       "dependencies": {
-        "@types/estree": "0.0.39",
-        "estree-walker": "^1.0.1",
-        "picomatch": "^2.2.2"
+        "@types/estree": "^1.0.0",
+        "estree-walker": "^2.0.2",
+        "picomatch": "^2.3.1"
       },
       "engines": {
-        "node": ">= 8.0.0"
+        "node": ">=14.0.0"
       },
       "peerDependencies": {
-        "rollup": "^1.20.0||^2.0.0"
+        "rollup": "^1.20.0||^2.0.0||^3.0.0||^4.0.0"
+      },
+      "peerDependenciesMeta": {
+        "rollup": {
+          "optional": true
+        }
       }
     },
+    "node_modules/@rollup/plugin-node-resolve/node_modules/@types/estree": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.5.tgz",
+      "integrity": "sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==",
+      "dev": true
+    },
+    "node_modules/@rollup/plugin-node-resolve/node_modules/estree-walker": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
+      "integrity": "sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==",
+      "dev": true
+    },
     "node_modules/@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.14.0.tgz",
@@ -399,12 +499,6 @@
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@@ -413,13 +507,10 @@
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-      "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.17.1.tgz",
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-      "dev": true,
-      "dependencies": {
-        "@types/node": "*"
-      }
+      "version": "1.20.2",
+      "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-1.20.2.tgz",
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+      "dev": true
     },
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@@ -1582,6 +1673,7 @@
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+      "dev": true,
       "license": "MIT"
     },
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@@ -1787,6 +1879,7 @@
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+      "dev": true,
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@@ -1808,6 +1901,7 @@
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       "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
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@@ -1821,6 +1915,7 @@
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+      "dev": true,
       "license": "MIT",
       "dependencies": {
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@@ -2100,12 +2195,6 @@
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@@ -2255,6 +2344,7 @@
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       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
+      "dev": true,
       "license": "MIT"
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@@ -3381,15 +3471,18 @@
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+      "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-3.2.1.tgz",
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+        "builtin-modules": "^3.3.0"
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
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@@ -4784,12 +4877,15 @@
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+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.8.tgz",
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       "dev": true,
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-        "sourcemap-codec": "^1.4.8"
+        "@jridgewell/sourcemap-codec": "^1.4.15"
+      },
+      "engines": {
+        "node": ">=12"
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@@ -6517,6 +6613,7 @@
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+      "dev": true,
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@@ -7002,15 +7099,16 @@
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+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.29.4.tgz",
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       "bin": {
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       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=14.18.0",
+        "npm": ">=8.0.0"
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@@ -7256,12 +7354,6 @@
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       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
       "requires": {
         "prelude-ls": "~1.1.2"
       }
@@ -14061,7 +14201,8 @@
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
-      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ=="
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
     },
     "workerpool": {
       "version": "6.2.0",
@@ -14102,8 +14243,7 @@
       "version": "8.5.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
       "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
-      "dev": true,
-      "requires": {}
+      "dev": true
     },
     "xdg-basedir": {
       "version": "4.0.0",
diff --git a/package.json b/package.json
index 5efd051..73231ad 100644
--- a/package.json
+++ b/package.json
@@ -43,17 +43,16 @@
   },
   "dependencies": {
     "@projectevergreen/acorn-jsx-esm": "~0.1.0",
+    "@projectevergreen/escodegen-esm": "0.1.0",
     "acorn": "^8.7.0",
     "acorn-walk": "^8.2.0",
-    "escodegen": "^2.0.0",
     "parse5": "^6.0.1"
   },
   "devDependencies": {
     "@ls-lint/ls-lint": "^1.10.0",
     "@mapbox/rehype-prism": "^0.8.0",
-    "@rollup/plugin-commonjs": "^22.0.0",
-    "@rollup/plugin-json": "^4.1.0",
-    "@rollup/plugin-node-resolve": "^13.3.0",
+    "@rollup/plugin-commonjs": "^25.0.7",
+    "@rollup/plugin-node-resolve": "^15.2.3",
     "c8": "^7.11.2",
     "chai": "^4.3.6",
     "concurrently": "^7.1.0",
@@ -74,7 +73,7 @@
     "remark-rehype": "^10.1.0",
     "remark-toc": "^8.0.1",
     "rimraf": "^3.0.2",
-    "rollup": "^2.75.7",
+    "rollup": "^3.29.3",
     "simple.css": "^0.1.3",
     "unified": "^10.1.2"
   }
diff --git a/rollup.config.js b/rollup.config.js
index 96a0dca..f3e0ff1 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,6 +1,5 @@
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
-import json from '@rollup/plugin-json';
 
 export default {
   input: 'src/wcc.js',
@@ -9,7 +8,6 @@ export default {
     format: 'cjs'
   },
   plugins: [
-    json(),
     nodeResolve({
       exportConditions: ['default', 'module', 'import', 'node']
     }),
diff --git a/src/jsx-loader.js b/src/jsx-loader.js
index 370b945..c6e5ec2 100644
--- a/src/jsx-loader.js
+++ b/src/jsx-loader.js
@@ -2,7 +2,7 @@
 // https://nodejs.org/api/esm.html#esm_loaders
 import * as acorn from 'acorn';
 import * as walk from 'acorn-walk';
-import escodegen from 'escodegen';
+import { generate } from '@projectevergreen/escodegen-esm';
 import fs from 'fs';
 import jsx from 'acorn-jsx';
 import { parse, parseFragment, serialize } from 'parse5';
@@ -323,7 +323,7 @@ export function parseJsx(moduleURL) {
       }
     }
 
-    let newModuleContents = escodegen.generate(tree);
+    let newModuleContents = generate(tree);
 
     // TODO better way to determine value type?
     /* eslint-disable indent */
@@ -391,7 +391,7 @@ export async function load(url, context, defaultLoad) {
 
     return {
       format: 'module',
-      source: escodegen.generate(jsFromJsx),
+      source: generate(jsFromJsx),
       shortCircuit: true
     };
   }
diff --git a/src/wcc.js b/src/wcc.js
index 9bad926..72088df 100644
--- a/src/wcc.js
+++ b/src/wcc.js
@@ -4,7 +4,7 @@ import './dom-shim.js';
 
 import * as acorn from 'acorn';
 import * as walk from 'acorn-walk';
-import escodegen from 'escodegen';
+import { generate } from '@projectevergreen/escodegen-esm';
 import { getParser, parseJsx } from './jsx-loader.js';
 import { parse, parseFragment, serialize } from 'parse5';
 import fs from 'fs';
@@ -94,7 +94,7 @@ function registerDependencies(moduleURL, definitions, depth = 0) {
         definitions[tagName] = {
           instanceName: args[1].name,
           moduleURL,
-          source: escodegen.generate(tree),
+          source: generate(tree),
           url: moduleURL,
           isEntry
         };