Add support for custom fetch function and/or IANA bootstrap data (#21)

package-lock.json

@@ -16,7 +16,7 @@
       },
       "devDependencies": {
         "@biomejs/biome": "2.3.2",
-        "@types/node": "24.9.0",
+        "@types/node": "24.9.2",
         "tsdown": "0.15.12",
         "typescript": "5.9.3",
         "vitest": "^4.0.0"
@@ -1402,12 +1402,11 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.9.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.9.0.tgz",
-      "integrity": "sha512-MKNwXh3seSK8WurXF7erHPJ2AONmMwkI7zAMrXZDPIru8jRqkk6rGDBVbw4mLwfqA+ZZliiDPg05JQ3uW66tKQ==",
+      "version": "24.9.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.9.2.tgz",
+      "integrity": "sha512-uWN8YqxXxqFMX2RqGOrumsKeti4LlmIMIyV0lgut4jx7KQBcBiW6vkDtIBvHnHIquwNfJhk8v2OtmO8zXWHfPA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "undici-types": "~7.16.0"
       }
@@ -1863,7 +1862,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -1947,7 +1945,6 @@
       "integrity": "sha512-iMmuD72XXLf26Tqrv1cryNYLX6NNPLhZ3AmNkSf8+xda0H+yijjGJ+wVT9UdBUHOpKzq9RjKtQKRCWoEKQQBZQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@oxc-project/types": "=0.95.0",
         "@rolldown/pluginutils": "1.0.0-beta.45"
@@ -2249,7 +2246,6 @@
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       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -2287,7 +2283,6 @@
       "integrity": "sha512-uzcxnSDVjAopEUjljkWh8EIrg6tlzrjFUfMcR1EVsRDGwf/ccef0qQPRyOrROwhrTDaApueq+ja+KLPlzR/zdg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.5.0",