diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b490e08
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/npm
\ No newline at end of file
diff --git a/deno.json b/deno.json
index 8aeb156..e3d9f75 100644
--- a/deno.json
+++ b/deno.json
@@ -1,11 +1,19 @@
 {
+  "lock": false,
   "tasks": {
     "test": "deno test --allow-read --allow-write",
-    "filter": "deno run -A scripts/filter.ts"
+    "filter": "deno run -A scripts/filter.ts",
+    "npm": "deno run -A scripts/npm.ts"
+  },
+  "test": {
+    "files": {
+      "exclude": ["npm/"]
+    }
   },
   "lint": {
     "files": {
-      "include": ["."]
+      "include": ["."],
+      "exclude": ["npm/"]
     },
     "rules": {
       "tags": ["recommended"],
@@ -14,7 +22,8 @@
   },
   "fmt": {
     "files": {
-      "include": ["."]
+      "include": ["."],
+      "exclude": ["npm/"]
     },
     "options": {
       "useTabs": false,
diff --git a/deno.lock b/deno.lock
index 14a670f..3b4166c 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,6 +1,27 @@
 {
   "version": "2",
   "remote": {
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+    "https://deno.land/std@0.140.0/_util/os.ts": "3b4c6e27febd119d36a416d7a97bd3b0251b77c88942c8f16ee5953ea13e2e49",
+    "https://deno.land/std@0.140.0/bytes/bytes_list.ts": "67eb118e0b7891d2f389dad4add35856f4ad5faab46318ff99653456c23b025d",
+    "https://deno.land/std@0.140.0/bytes/equals.ts": "fc16dff2090cced02497f16483de123dfa91e591029f985029193dfaa9d894c9",
+    "https://deno.land/std@0.140.0/bytes/mod.ts": "763f97d33051cc3f28af1a688dfe2830841192a9fea0cbaa55f927b49d49d0bf",
+    "https://deno.land/std@0.140.0/fmt/colors.ts": "30455035d6d728394781c10755351742dd731e3db6771b1843f9b9e490104d37",
+    "https://deno.land/std@0.140.0/fs/_util.ts": "0fb24eb4bfebc2c194fb1afdb42b9c3dda12e368f43e8f2321f84fc77d42cb0f",
+    "https://deno.land/std@0.140.0/fs/ensure_dir.ts": "9dc109c27df4098b9fc12d949612ae5c9c7169507660dcf9ad90631833209d9d",
+    "https://deno.land/std@0.140.0/hash/sha256.ts": "803846c7a5a8a5a97f31defeb37d72f519086c880837129934f5d6f72102a8e8",
+    "https://deno.land/std@0.140.0/io/buffer.ts": "bd0c4bf53db4b4be916ca5963e454bddfd3fcd45039041ea161dbf826817822b",
+    "https://deno.land/std@0.140.0/io/types.d.ts": "01f60ae7ec02675b5dbed150d258fc184a78dfe5c209ef53ba4422b46b58822c",
+    "https://deno.land/std@0.140.0/path/_constants.ts": "df1db3ffa6dd6d1252cc9617e5d72165cd2483df90e93833e13580687b6083c3",
+    "https://deno.land/std@0.140.0/path/_interface.ts": "ee3b431a336b80cf445441109d089b70d87d5e248f4f90ff906820889ecf8d09",
+    "https://deno.land/std@0.140.0/path/_util.ts": "c1e9686d0164e29f7d880b2158971d805b6e0efc3110d0b3e24e4b8af2190d2b",
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+    "https://deno.land/std@0.140.0/path/glob.ts": "cb5255638de1048973c3e69e420c77dc04f75755524cb3b2e160fe9277d939ee",
+    "https://deno.land/std@0.140.0/path/mod.ts": "d3e68d0abb393fb0bf94a6d07c46ec31dc755b544b13144dee931d8d5f06a52d",
+    "https://deno.land/std@0.140.0/path/posix.ts": "293cdaec3ecccec0a9cc2b534302dfe308adb6f10861fa183275d6695faace44",
+    "https://deno.land/std@0.140.0/path/separator.ts": "fe1816cb765a8068afb3e8f13ad272351c85cbc739af56dacfc7d93d710fe0f9",
+    "https://deno.land/std@0.140.0/path/win32.ts": "31811536855e19ba37a999cd8d1b62078235548d67902ece4aa6b814596dd757",
+    "https://deno.land/std@0.140.0/streams/conversion.ts": "712585bfa0172a97fb68dd46e784ae8ad59d11b88079d6a4ab098ff42e697d21",
     "https://deno.land/std@0.177.0/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
     "https://deno.land/std@0.177.0/_util/os.ts": "d932f56d41e4f6a6093d56044e29ce637f8dcc43c5a90af43504a889cf1775e3",
     "https://deno.land/std@0.177.0/bytes/index_of_needle.ts": "65c939607df609374c4415598fa4dad04a2f14c4d98cd15775216f0aaf597f24",
@@ -118,10 +139,15 @@
     "https://deno.land/std@0.177.0/node/stream.ts": "09e348302af40dcc7dc58aa5e40fdff868d11d8d6b0cfb85cbb9c75b9fe450c7",
     "https://deno.land/std@0.177.0/node/string_decoder.ts": "1a17e3572037c512cc5fc4b29076613e90f225474362d18da908cb7e5ccb7e88",
     "https://deno.land/std@0.181.0/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
+    "https://deno.land/std@0.181.0/_util/os.ts": "d932f56d41e4f6a6093d56044e29ce637f8dcc43c5a90af43504a889cf1775e3",
     "https://deno.land/std@0.181.0/bytes/bytes_list.ts": "b4cbdfd2c263a13e8a904b12d082f6177ea97d9297274a4be134e989450dfa6a",
     "https://deno.land/std@0.181.0/bytes/concat.ts": "d26d6f3d7922e6d663dacfcd357563b7bf4a380ce5b9c2bbe0c8586662f25ce2",
     "https://deno.land/std@0.181.0/bytes/copy.ts": "939d89e302a9761dcf1d9c937c7711174ed74c59eef40a1e4569a05c9de88219",
     "https://deno.land/std@0.181.0/fmt/colors.ts": "d67e3cd9f472535241a8e410d33423980bec45047e343577554d3356e1f0ef4e",
+    "https://deno.land/std@0.181.0/fs/_util.ts": "65381f341af1ff7f40198cee15c20f59951ac26e51ddc651c5293e24f9ce6f32",
+    "https://deno.land/std@0.181.0/fs/ensure_dir.ts": "dc64c4c75c64721d4e3fb681f1382f803ff3d2868f08563ff923fdd20d071c40",
+    "https://deno.land/std@0.181.0/fs/expand_glob.ts": "e4f56259a0a70fe23f05215b00de3ac5e6ba46646ab2a06ebbe9b010f81c972a",
+    "https://deno.land/std@0.181.0/fs/walk.ts": "ea95ffa6500c1eda6b365be488c056edc7c883a1db41ef46ec3bf057b1c0fe32",
     "https://deno.land/std@0.181.0/io/buf_reader.ts": "abeb92b18426f11d72b112518293a96aef2e6e55f80b84235e8971ac910affb5",
     "https://deno.land/std@0.181.0/io/buf_writer.ts": "48c33c8f00b61dcbc7958706741cec8e59810bd307bc6a326cbd474fe8346dfd",
     "https://deno.land/std@0.181.0/io/buffer.ts": "17f4410eaaa60a8a85733e8891349a619eadfbbe42e2f319283ce2b8f29723ab",
@@ -139,10 +165,35 @@
     "https://deno.land/std@0.181.0/io/slice_long_to_bytes.ts": "48d9bace92684e880e46aa4a2520fc3867f9d7ce212055f76ecc11b22f9644b7",
     "https://deno.land/std@0.181.0/io/string_reader.ts": "da0f68251b3d5b5112485dfd4d1b1936135c9b4d921182a7edaf47f74c25cc8f",
     "https://deno.land/std@0.181.0/io/string_writer.ts": "8a03c5858c24965a54c6538bed15f32a7c72f5704a12bda56f83a40e28e5433e",
+    "https://deno.land/std@0.181.0/path/_constants.ts": "e49961f6f4f48039c0dfed3c3f93e963ca3d92791c9d478ac5b43183413136e0",
+    "https://deno.land/std@0.181.0/path/_interface.ts": "6471159dfbbc357e03882c2266d21ef9afdb1e4aa771b0545e90db58a0ba314b",
+    "https://deno.land/std@0.181.0/path/_util.ts": "d7abb1e0dea065f427b89156e28cdeb32b045870acdf865833ba808a73b576d0",
+    "https://deno.land/std@0.181.0/path/common.ts": "ee7505ab01fd22de3963b64e46cff31f40de34f9f8de1fff6a1bd2fe79380000",
+    "https://deno.land/std@0.181.0/path/glob.ts": "d479e0a695621c94d3fd7fe7abd4f9499caf32a8de13f25073451c6ef420a4e1",
+    "https://deno.land/std@0.181.0/path/mod.ts": "bf718f19a4fdd545aee1b06409ca0805bd1b68ecf876605ce632e932fe54510c",
+    "https://deno.land/std@0.181.0/path/posix.ts": "8b7c67ac338714b30c816079303d0285dd24af6b284f7ad63da5b27372a2c94d",
+    "https://deno.land/std@0.181.0/path/separator.ts": "0fb679739d0d1d7bf45b68dacfb4ec7563597a902edbaf3c59b50d5bcadd93b1",
+    "https://deno.land/std@0.181.0/path/win32.ts": "d186344e5583bcbf8b18af416d13d82b35a317116e6460a5a3953508c3de5bba",
     "https://deno.land/std@0.181.0/testing/_diff.ts": "1a3c044aedf77647d6cac86b798c6417603361b66b54c53331b312caeb447aea",
     "https://deno.land/std@0.181.0/testing/_format.ts": "a69126e8a469009adf4cf2a50af889aca364c349797e63174884a52ff75cf4c7",
     "https://deno.land/std@0.181.0/testing/asserts.ts": "e16d98b4d73ffc4ed498d717307a12500ae4f2cbe668f1a215632d19fcffc22f",
     "https://deno.land/std@0.181.0/types.d.ts": "dbaeb2c4d7c526db9828fc8df89d8aecf53b9ced72e0c4568f97ddd8cda616a4",
+    "https://deno.land/std@0.182.0/_util/asserts.ts": "178dfc49a464aee693a7e285567b3d0b555dc805ff490505a8aae34f9cfb1462",
+    "https://deno.land/std@0.182.0/_util/os.ts": "d932f56d41e4f6a6093d56044e29ce637f8dcc43c5a90af43504a889cf1775e3",
+    "https://deno.land/std@0.182.0/fmt/colors.ts": "d67e3cd9f472535241a8e410d33423980bec45047e343577554d3356e1f0ef4e",
+    "https://deno.land/std@0.182.0/fs/_util.ts": "65381f341af1ff7f40198cee15c20f59951ac26e51ddc651c5293e24f9ce6f32",
+    "https://deno.land/std@0.182.0/fs/empty_dir.ts": "c3d2da4c7352fab1cf144a1ecfef58090769e8af633678e0f3fabaef98594688",
+    "https://deno.land/std@0.182.0/fs/expand_glob.ts": "e4f56259a0a70fe23f05215b00de3ac5e6ba46646ab2a06ebbe9b010f81c972a",
+    "https://deno.land/std@0.182.0/fs/walk.ts": "920be35a7376db6c0b5b1caf1486fb962925e38c9825f90367f8f26b5e5d0897",
+    "https://deno.land/std@0.182.0/path/_constants.ts": "e49961f6f4f48039c0dfed3c3f93e963ca3d92791c9d478ac5b43183413136e0",
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+    "https://deno.land/std@0.182.0/path/_util.ts": "d7abb1e0dea065f427b89156e28cdeb32b045870acdf865833ba808a73b576d0",
+    "https://deno.land/std@0.182.0/path/common.ts": "ee7505ab01fd22de3963b64e46cff31f40de34f9f8de1fff6a1bd2fe79380000",
+    "https://deno.land/std@0.182.0/path/glob.ts": "d479e0a695621c94d3fd7fe7abd4f9499caf32a8de13f25073451c6ef420a4e1",
+    "https://deno.land/std@0.182.0/path/mod.ts": "bf718f19a4fdd545aee1b06409ca0805bd1b68ecf876605ce632e932fe54510c",
+    "https://deno.land/std@0.182.0/path/posix.ts": "8b7c67ac338714b30c816079303d0285dd24af6b284f7ad63da5b27372a2c94d",
+    "https://deno.land/std@0.182.0/path/separator.ts": "0fb679739d0d1d7bf45b68dacfb4ec7563597a902edbaf3c59b50d5bcadd93b1",
+    "https://deno.land/std@0.182.0/path/win32.ts": "d186344e5583bcbf8b18af416d13d82b35a317116e6460a5a3953508c3de5bba",
     "https://deno.land/std@0.86.0/async/deferred.ts": "f89ed49ba5e1dd0227c6bd5b23f017be46c3f92e4f0338dda08ff5aa54b9f6c9",
     "https://deno.land/std@0.86.0/async/delay.ts": "9de1d8d07d1927767ab7f82434b883f3d8294fb19cad819691a2ad81a728cf3d",
     "https://deno.land/std@0.86.0/async/mod.ts": "253b41c658d768613eacfb11caa0a9ca7148442f932018a45576f7f27554c853",
@@ -155,6 +206,36 @@
     "https://deno.land/std@0.86.0/node/buffer.ts": "e98af24a3210d8fc3f022b6eb26d6e5bdf98fb0e02931e5983d20db9fed1b590",
     "https://deno.land/std@0.86.0/testing/_diff.ts": "961eaf6d9f5b0a8556c9d835bbc6fa74f5addd7d3b02728ba7936ff93364f7a3",
     "https://deno.land/std@0.86.0/testing/asserts.ts": "de942b2e1cb6dac1c1c4a7b698be017337e2e2cc2252ae0a6d215c5befde1e82",
+    "https://deno.land/std@0.88.0/async/deferred.ts": "f89ed49ba5e1dd0227c6bd5b23f017be46c3f92e4f0338dda08ff5aa54b9f6c9",
+    "https://deno.land/std@0.88.0/async/delay.ts": "9de1d8d07d1927767ab7f82434b883f3d8294fb19cad819691a2ad81a728cf3d",
+    "https://deno.land/std@0.88.0/async/mod.ts": "253b41c658d768613eacfb11caa0a9ca7148442f932018a45576f7f27554c853",
+    "https://deno.land/std@0.88.0/async/mux_async_iterator.ts": "b9091909db04cdb0af6f7807677372f64c1488de6c4bd86004511b064bf230d6",
+    "https://deno.land/std@0.88.0/async/pool.ts": "876f9e6815366cd017a3b4fbb9e9ae40310b1b6972f1bd541c94358bc11fb7e5",
+    "https://deno.land/std@0.88.0/encoding/base64.ts": "eecae390f1f1d1cae6f6c6d732ede5276bf4b9cd29b1d281678c054dc5cc009e",
+    "https://deno.land/std@0.88.0/encoding/hex.ts": "f952e0727bddb3b2fd2e6889d104eacbd62e92091f540ebd6459317a61932d9b",
+    "https://deno.land/std@0.88.0/fmt/colors.ts": "db22b314a2ae9430ae7460ce005e0a7130e23ae1c999157e3bb77cf55800f7e4",
+    "https://deno.land/std@0.88.0/node/_utils.ts": "067c386d676432e9418808851e8de72df7774f009a652904f62358b4c94504cf",
+    "https://deno.land/std@0.88.0/node/buffer.ts": "e98af24a3210d8fc3f022b6eb26d6e5bdf98fb0e02931e5983d20db9fed1b590",
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+    "https://deno.land/x/code_block_writer@12.0.0/mod.ts": "2c3448060e47c9d08604c8f40dee34343f553f33edcdfebbf648442be33205e5",
+    "https://deno.land/x/code_block_writer@12.0.0/utils/string_utils.ts": "60cb4ec8bd335bf241ef785ccec51e809d576ff8e8d29da43d2273b69ce2a6ff",
+    "https://deno.land/x/deno_cache@0.4.1/auth_tokens.ts": "5fee7e9155e78cedf3f6ff3efacffdb76ac1a76c86978658d9066d4fb0f7326e",
+    "https://deno.land/x/deno_cache@0.4.1/cache.ts": "51f72f4299411193d780faac8c09d4e8cbee951f541121ef75fcc0e94e64c195",
+    "https://deno.land/x/deno_cache@0.4.1/deno_dir.ts": "f2a9044ce8c7fe1109004cda6be96bf98b08f478ce77e7a07f866eff1bdd933f",
+    "https://deno.land/x/deno_cache@0.4.1/deps.ts": "8974097d6c17e65d9a82d39377ae8af7d94d74c25c0cbb5855d2920e063f2343",
+    "https://deno.land/x/deno_cache@0.4.1/dirs.ts": "d2fa473ef490a74f2dcb5abb4b9ab92a48d2b5b6320875df2dee64851fa64aa9",
+    "https://deno.land/x/deno_cache@0.4.1/disk_cache.ts": "1f3f5232cba4c56412d93bdb324c624e95d5dd179d0578d2121e3ccdf55539f9",
+    "https://deno.land/x/deno_cache@0.4.1/file_fetcher.ts": "07a6c5f8fd94bf50a116278cc6012b4921c70d2251d98ce1c9f3c352135c39f7",
+    "https://deno.land/x/deno_cache@0.4.1/http_cache.ts": "f632e0d6ec4a5d61ae3987737a72caf5fcdb93670d21032ddb78df41131360cd",
+    "https://deno.land/x/deno_cache@0.4.1/mod.ts": "ef1cda9235a93b89cb175fe648372fc0f785add2a43aa29126567a05e3e36195",
+    "https://deno.land/x/deno_cache@0.4.1/util.ts": "8cb686526f4be5205b92c819ca2ce82220aa0a8dd3613ef0913f6dc269dbbcfe",
+    "https://deno.land/x/deno_graph@0.26.0/lib/deno_graph.generated.js": "2f7ca85b2ceb80ec4b3d1b7f3a504956083258610c7b9a1246238c5b7c68f62d",
+    "https://deno.land/x/deno_graph@0.26.0/lib/loader.ts": "380e37e71d0649eb50176a9786795988fc3c47063a520a54b616d7727b0f8629",
+    "https://deno.land/x/deno_graph@0.26.0/lib/media_type.ts": "222626d524fa2f9ebcc0ec7c7a7d5dfc74cc401cc46790f7c5e0eab0b0787707",
+    "https://deno.land/x/deno_graph@0.26.0/lib/snippets/deno_graph-de651bc9c240ed8d/src/deno_apis.js": "41192baaa550a5c6a146280fae358cede917ae16ec4e4315be51bef6631ca892",
+    "https://deno.land/x/deno_graph@0.26.0/lib/types.d.ts": "2bbdbf895321d1df8db511fab00160a0211c09c2e7cac56c522dd6e9ed6d2ef7",
+    "https://deno.land/x/deno_graph@0.26.0/mod.ts": "11131ae166580a1c7fa8506ff553751465a81c263d94443f18f353d0c320bc14",
     "https://deno.land/x/deno_mock_fetch@1.0.1/mock-fetch.error.ts": "c75e83b959d0b4b18bc5434c15dc5ab40a37fe6069cb51d7607a22391a7b22af",
     "https://deno.land/x/deno_mock_fetch@1.0.1/mock-fetch.ts": "bc06fb96910aea4c042b7c7387887fecd70f272b7230de0262711c878066111c",
     "https://deno.land/x/deno_mock_fetch@1.0.1/mock-fetch.type.ts": "c03dc0cb93b4e68496813e9c0a322e3e2a08d16fb78f9b7196a5328cbc0ed771",
@@ -162,12 +243,28 @@
     "https://deno.land/x/deno_mock_fetch@1.0.1/mock-scope.ts": "f7235b1efa7371b0698f0b5122eb82d042063411429585e4cdf740f2ae60af94",
     "https://deno.land/x/deno_mock_fetch@1.0.1/mock-utils.ts": "3a7b12704a75eee2e9721221c3da80bd70ab4f00fdbd1b786fb240f1be20b497",
     "https://deno.land/x/deno_mock_fetch@1.0.1/mod.ts": "7ea9e35228454b578ff47d42602eba53de0174ffa4ca5567308b11384b55ddd7",
+    "https://deno.land/x/dnt@0.34.0/lib/compiler.ts": "dd589db479d6d7e69999865003ab83c41544e251ece4f21f2f2ee74557097ba6",
+    "https://deno.land/x/dnt@0.34.0/lib/compiler_transforms.ts": "cbb1fd5948f5ced1aa5c5aed9e45134e2357ce1e7220924c1d7bded30dcd0dd0",
+    "https://deno.land/x/dnt@0.34.0/lib/mod.deps.ts": "30367fc68bcd2acf3b7020cf5cdd26f817f7ac9ac35c4bfb6c4551475f91bc3e",
+    "https://deno.land/x/dnt@0.34.0/lib/npm_ignore.ts": "ddc1a7a76b288ca471bf1a6298527887a0f9eb7e25008072fd9c9fa9bb28c71a",
+    "https://deno.land/x/dnt@0.34.0/lib/package_json.ts": "2d629dbaef8004971e38ce3661f04b915a35342b905c3d98ff4a25343c2a8293",
+    "https://deno.land/x/dnt@0.34.0/lib/pkg/dnt_wasm.generated.js": "ad5c205f018b2bc6258d00d6a0539c2ffa94275f16f106f0f072bcf77f3c786b",
+    "https://deno.land/x/dnt@0.34.0/lib/pkg/snippets/dnt-wasm-a15ef721fa5290c5/helpers.js": "a6b95adc943a68d513fe8ed9ec7d260ac466b7a4bced4e942f733e494bb9f1be",
+    "https://deno.land/x/dnt@0.34.0/lib/shims.ts": "f6030d8dab258dd2d12bad93353e11143ee7fba8718d24d13d71f40b10c5df47",
+    "https://deno.land/x/dnt@0.34.0/lib/test_runner/get_test_runner_code.ts": "2a4e26aa33120f3cc9e03b8538211a5047a4bad4c64e895944b87f2dcd55d904",
+    "https://deno.land/x/dnt@0.34.0/lib/test_runner/test_runner.ts": "b91d77d9d4b82984cb2ba7431ba6935756ba72f62e7dd4db22cd47a680ebd952",
+    "https://deno.land/x/dnt@0.34.0/lib/transform.deps.ts": "e42f2bdef46d098453bdba19261a67cf90b583f5d868f7fe83113c1380d9b85c",
+    "https://deno.land/x/dnt@0.34.0/lib/types.ts": "34e45a3136c2f21f797173ea46d9ea5d1639eb7b834a5bd565aad4214fa32603",
+    "https://deno.land/x/dnt@0.34.0/lib/utils.ts": "d13b5b3148a2c71e9b2f1c84c7be7393b825ae972505e23c2f6b1e5287e96b43",
+    "https://deno.land/x/dnt@0.34.0/mod.ts": "3ee53f4d4d41df72e57ecbca9f3c2b7cf86166ef57fa04452865780f83c555a9",
+    "https://deno.land/x/dnt@0.34.0/transform.ts": "1b127c5f22699c8ab2545b98aeca38c4e5c21405b0f5342ea17e9c46280ed277",
     "https://deno.land/x/keydb@1.0.0/adapter.ts": "7492c993a6bd5ea033a3423e6383faa34bafd78292cfa344955e263d650112bc",
     "https://deno.land/x/keydb@1.0.0/jsonb.ts": "05fa1b45f43ea5e755a2271ef3dbeb3e4c64da7053c0c6c53e9d994fa98d9b72",
     "https://deno.land/x/keydb@1.0.0/keydb.ts": "616c4c866c9e11c29d5654d367468ed51b689565043f53fdeb5eb66f25138156",
     "https://deno.land/x/keydb@1.0.0/memory.ts": "f0ab6faf293c4ad3539fd3cf89c764d7f34d39d24e471ea59eebb5d1f5a510dc",
     "https://deno.land/x/keydb@1.0.0/sqlite.ts": "a16e0242077a0bd1bf027f5e5440778c237d5ff2e278aeebb2245c407a4e3b43",
     "https://deno.land/x/module_cache@0.0.1/mod.ts": "542ea337ec9c5ef4013a2c49a42d9faa9d161898c33629594ee526d883bc2cc6",
+    "https://deno.land/x/module_cache@0.0.3/mod.ts": "c5e724477146e68b7a4d7ba440cd18f2ef4b28e4244ce48358c79efe98e3cd24",
     "https://deno.land/x/sqlite@v2.3.2/build/sqlite.js": "24d7663da39aff93cb7a1c9fef28346d7c457ba30bba7fccfb211a94b4823c29",
     "https://deno.land/x/sqlite@v2.3.2/build/vfs.js": "ce3b69b82a1723cad2bf06dfee774f461bcc49502a20ec8b99198ceff46cd046",
     "https://deno.land/x/sqlite@v2.3.2/mod.ts": "1fc2fdc6aca3ffa8b3f4893c2858871e1bb24ab833d1ed732eba911ad44fb495",
@@ -177,6 +274,26 @@
     "https://deno.land/x/sqlite@v2.3.2/src/row_objects.ts": "cf7ad165bb14c0fd346c46a7f3ea08043ace747d1abae3787bbe4b36be11b09c",
     "https://deno.land/x/sqlite@v2.3.2/src/rows.ts": "1b05730096f8df626bfc9d1597a776cc5ac7d989910a20711fa28c7a8daebb0e",
     "https://deno.land/x/sqlite@v2.3.2/src/wasm.ts": "9747b8c4de5542f2359a35461317f08a244fe8a0933c7e279caad27a0190e6bf",
+    "https://deno.land/x/sqlite@v3.7.1/build/sqlite.d.ts": "d724a21a588a0e19ae46a3476349fe5d75e896735e7362ea8cf997ffad35d0f9",
+    "https://deno.land/x/sqlite@v3.7.1/build/sqlite.js": "c59f109f100c2bae0b9342f04e0d400583e2e3211d08bb71095177a4109ee5bf",
+    "https://deno.land/x/sqlite@v3.7.1/build/vfs.js": "08533cc78fb29b9d9bd62f6bb93e5ef333407013fed185776808f11223ba0e70",
+    "https://deno.land/x/sqlite@v3.7.1/mod.ts": "e09fc79d8065fe222578114b109b1fd60077bff1bb75448532077f784f4d6a83",
+    "https://deno.land/x/sqlite@v3.7.1/src/constants.ts": "90f3be047ec0a89bcb5d6fc30db121685fc82cb00b1c476124ff47a4b0472aa9",
+    "https://deno.land/x/sqlite@v3.7.1/src/db.ts": "59c6c2b5c4127132558bb8c610eadd811822f1a5d7f9c509704179ca192f94e0",
+    "https://deno.land/x/sqlite@v3.7.1/src/error.ts": "f7a15cb00d7c3797da1aefee3cf86d23e0ae92e73f0ba3165496c3816ab9503a",
+    "https://deno.land/x/sqlite@v3.7.1/src/function.ts": "e4c83b8ec64bf88bafad2407376b0c6a3b54e777593c70336fb40d43a79865f2",
+    "https://deno.land/x/sqlite@v3.7.1/src/query.ts": "d58abda928f6582d77bad685ecf551b1be8a15e8e38403e293ec38522e030cad",
+    "https://deno.land/x/sqlite@v3.7.1/src/wasm.ts": "e79d0baa6e42423257fb3c7cc98091c54399254867e0f34a09b5bdef37bd9487",
+    "https://deno.land/x/ts_morph@18.0.0/bootstrap/mod.ts": "b53aad517f106c4079971fcd4a81ab79fadc40b50061a3ab2b741a09119d51e9",
+    "https://deno.land/x/ts_morph@18.0.0/bootstrap/ts_morph_bootstrap.d.ts": "607e651c5ae5aa57c2ac4090759a6379e809c0cdc42114742ac67353b1a75038",
+    "https://deno.land/x/ts_morph@18.0.0/bootstrap/ts_morph_bootstrap.js": "6645ac03c5e6687dfa8c78109dc5df0250b811ecb3aea2d97c504c35e8401c06",
+    "https://deno.land/x/ts_morph@18.0.0/common/DenoRuntime.ts": "6a7180f0c6e90dcf23ccffc86aa8271c20b1c4f34c570588d08a45880b7e172d",
+    "https://deno.land/x/ts_morph@18.0.0/common/mod.ts": "01985d2ee7da8d1caee318a9d07664774fbee4e31602bc2bb6bb62c3489555ed",
+    "https://deno.land/x/ts_morph@18.0.0/common/ts_morph_common.d.ts": "42a92b8263878ef48b60042dbb55adda3face9abdb8d503be4b4f0fe242f25f4",
+    "https://deno.land/x/ts_morph@18.0.0/common/ts_morph_common.js": "845671ca951073400ce142f8acefa2d39ea9a51e29ca80928642f3f8cf2b7700",
+    "https://deno.land/x/ts_morph@18.0.0/common/typescript.d.ts": "21c0786dddf52537611499340166278507eb9784628d321c2cb6acc696cba0f6",
+    "https://deno.land/x/ts_morph@18.0.0/common/typescript.js": "d5c598b6a2db2202d0428fca5fd79fc9a301a71880831a805d778797d2413c59",
+    "https://esm.sh/nostr-tools@1.8.4": "382bc56bde0377c59da1ef58a2fa9d8bdcc92dbf10ef6a50d9253a30efdb9d96",
     "https://esm.sh/v114/@noble/hashes@1.2.0/deno/_assert.js": "4ae82ea34135ea09f5f727201f345d5c1c2999cee74a7169e1f7954409c22fc3",
     "https://esm.sh/v114/@noble/hashes@1.2.0/deno/crypto.js": "62e1119c9426fbf642bad03c7b934768c7c6de757c8a3d263f5c46f63b9c51c5",
     "https://esm.sh/v114/@noble/hashes@1.2.0/deno/hmac.js": "5f10dadb16e809c7533f592b038b05cf2895bc471406a47e5088fccf13615e76",
@@ -210,6 +327,23 @@
     "https://esm.sh/v114/nostr-tools@1.8.4/lib/pool.d.ts": "ff40f2acad2252493c04a3a6bf200e44bfc71ad0c3e6eb368475c4ce9c3572b6",
     "https://esm.sh/v114/nostr-tools@1.8.4/lib/references.d.ts": "b2e39f5c439380a1dc8e578b471ba3992f33e3936aa0eecf625734c7ba669098",
     "https://esm.sh/v114/nostr-tools@1.8.4/lib/relay.d.ts": "9bc6f2897a95ec12d128e94b2e7d6161d30a6bfe8d4350e217fbf4b710988db3",
-    "https://esm.sh/v114/nostr-tools@1.8.4/lib/utils.d.ts": "6f37b09db0dce09f17ff7b70b921b9bb809bcb18c3bc058cb914afdf3c0e774e"
+    "https://esm.sh/v114/nostr-tools@1.8.4/lib/utils.d.ts": "6f37b09db0dce09f17ff7b70b921b9bb809bcb18c3bc058cb914afdf3c0e774e",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/adapter.ts": "32e5182648011b188952ada0528f564b374260449ec3b06237f36225d4d19510",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/jsonb.ts": "1b540f8bd0b43fe847cd3e2a852d2f53e610cd77b81c11d175ebe91a3f110be8",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/keydb.ts": "616c4c866c9e11c29d5654d367468ed51b689565043f53fdeb5eb66f25138156",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/memory.ts": "f0ab6faf293c4ad3539fd3cf89c764d7f34d39d24e471ea59eebb5d1f5a510dc",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/sqlite.ts": "c8f172cfea9425cb16e844622375c9578db508de7d710ad3987cf6cd6bff197a",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/adapter.ts": "32e5182648011b188952ada0528f564b374260449ec3b06237f36225d4d19510",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/jsonb.ts": "1b540f8bd0b43fe847cd3e2a852d2f53e610cd77b81c11d175ebe91a3f110be8",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/keydb.ts": "616c4c866c9e11c29d5654d367468ed51b689565043f53fdeb5eb66f25138156",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/memory.ts": "f0ab6faf293c4ad3539fd3cf89c764d7f34d39d24e471ea59eebb5d1f5a510dc",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/mod.ts": "af9b431b24442fa6186d753eee13892573c39b1aa7470935d1ca00e6f76519c2",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/1d2dbe3eb7c56279f5efb2c102635c2686f9ce57/sqlite.ts": "2d5a777ade045e7ec63c43ee7dcecca95b39716f7e8bf383951939f4bae5fc37",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/adapter.ts": "32e5182648011b188952ada0528f564b374260449ec3b06237f36225d4d19510",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/jsonb.ts": "1b540f8bd0b43fe847cd3e2a852d2f53e610cd77b81c11d175ebe91a3f110be8",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/keydb.ts": "616c4c866c9e11c29d5654d367468ed51b689565043f53fdeb5eb66f25138156",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/memory.ts": "f0ab6faf293c4ad3539fd3cf89c764d7f34d39d24e471ea59eebb5d1f5a510dc",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/mod.ts": "af9b431b24442fa6186d753eee13892573c39b1aa7470935d1ca00e6f76519c2",
+    "https://raw.githubusercontent.com/alexgleason/Keydb/c82bff78ed866eb35c342332085cfe2fe401f876/sqlite.ts": "81b6deeab3b32c3df4dea3c51ea53d8da2bcdb0d877b2d9db664d82df355d6ea"
   }
 }
diff --git a/scripts/npm.ts b/scripts/npm.ts
new file mode 100644
index 0000000..46acf2f
--- /dev/null
+++ b/scripts/npm.ts
@@ -0,0 +1,32 @@
+import { build, emptyDir } from 'https://deno.land/x/dnt@0.34.0/mod.ts';
+
+await emptyDir('./npm');
+
+await build({
+  entryPoints: ['./mod.ts'],
+  outDir: './npm',
+  shims: {
+    deno: true,
+    undici: true,
+  },
+  package: {
+    name: 'strfry-policies',
+    version: Deno.args[0],
+    description: 'Configurable policies for the strfry Nostr relay.',
+    license: 'Unlicense',
+    repository: {
+      type: 'git',
+      url: 'git+https://gitlab.com/soapbox-pub/strfry-policies.git',
+    },
+    bugs: {
+      url: 'https://gitlab.com/soapbox-pub/strfry-policies/-/issues',
+    },
+  },
+  typeCheck: false,
+  test: false,
+  scriptModule: false,
+  postBuild() {
+    Deno.copyFileSync('LICENSE', 'npm/LICENSE');
+    Deno.copyFileSync('README.md', 'npm/README.md');
+  },
+});
diff --git a/src/deps.ts b/src/deps.ts
index a441ac9..70563dd 100644
--- a/src/deps.ts
+++ b/src/deps.ts
@@ -1,4 +1,4 @@
 export { readLines } from 'https://deno.land/std@0.181.0/io/mod.ts';
 export { assert, assertEquals } from 'https://deno.land/std@0.181.0/testing/asserts.ts';
-export { Keydb } from 'https://deno.land/x/keydb@1.0.0/sqlite.ts';
-export { type Filter, matchFilter, nip13 } from 'https://esm.sh/v114/nostr-tools@1.8.4';
+export { Keydb } from 'https://raw.githubusercontent.com/alexgleason/Keydb/1bda308df9e589339532daf31f1717ef7a59d2af/sqlite.ts';
+export { type Filter, matchFilter, nip13 } from 'https://esm.sh/nostr-tools@1.8.4';
diff --git a/src/policies/anti-duplication-policy.test.ts b/src/policies/anti-duplication-policy.test.ts
index d04d258..2fffd83 100644
--- a/src/policies/anti-duplication-policy.test.ts
+++ b/src/policies/anti-duplication-policy.test.ts
@@ -6,20 +6,19 @@ import antiDuplicationPolicy from './anti-duplication-policy.ts';
 Deno.test({
   name: 'blocks events that post the same content too quickly',
   fn: async () => {
-    const opts = { databaseUrl: undefined };
     const content = 'Spicy peppermint apricot mediterranean ginger carrot spiced juice edamame hummus';
 
     const msg1 = buildInputMessage({ event: buildEvent({ content }) });
 
-    assertEquals((await antiDuplicationPolicy(msg1, opts)).action, 'accept');
-    assertEquals((await antiDuplicationPolicy(msg1, opts)).action, 'shadowReject');
-    assertEquals((await antiDuplicationPolicy(msg1, opts)).action, 'shadowReject');
+    assertEquals((await antiDuplicationPolicy(msg1)).action, 'accept');
+    assertEquals((await antiDuplicationPolicy(msg1)).action, 'shadowReject');
+    assertEquals((await antiDuplicationPolicy(msg1)).action, 'shadowReject');
 
     const msg2 = buildInputMessage({ event: buildEvent({ content: 'a' }) });
 
-    assertEquals((await antiDuplicationPolicy(msg2, opts)).action, 'accept');
-    assertEquals((await antiDuplicationPolicy(msg2, opts)).action, 'accept');
-    assertEquals((await antiDuplicationPolicy(msg2, opts)).action, 'accept');
+    assertEquals((await antiDuplicationPolicy(msg2)).action, 'accept');
+    assertEquals((await antiDuplicationPolicy(msg2)).action, 'accept');
+    assertEquals((await antiDuplicationPolicy(msg2)).action, 'accept');
   },
   sanitizeResources: false,
 });