diff --git a/lib-node/index.js b/lib-node/index.js
new file mode 100644
index 0000000..575b6a5
--- /dev/null
+++ b/lib-node/index.js
@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initialiseResolver = exports.read_file = void 0;
+let resolveFunction = null;
+let read_file = function (source_id) {
+    if (resolveFunction) {
+        const result = resolveFunction(source_id);
+        if (typeof result === "string") {
+            return result;
+        }
+        else {
+            throw new Error("Noir source resolver funtion MUST return String synchronously. Are you trying to return anything else, eg. `Promise`?");
+        }
+    }
+    else {
+        throw new Error('Not yet initialised. Use initialiseResolver(() => string)');
+    }
+};
+exports.read_file = read_file;
+function initialise(noir_resolver) {
+    if (typeof noir_resolver === "function") {
+        return noir_resolver;
+    }
+    else {
+        throw new Error("Provided Noir Resolver is not a function, hint: use function(module_id) => NoirSource as second parameter");
+    }
+}
+function initialiseResolver(resolver) {
+    resolveFunction = initialise(resolver);
+}
+exports.initialiseResolver = initialiseResolver;
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/lib-node/index.js.map b/lib-node/index.js.map
new file mode 100644
index 0000000..480b533
--- /dev/null
+++ b/lib-node/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;AAAA,IAAI,eAAe,GAAoB,IAAI,CAAC;AAErC,IAAI,SAAS,GAAG,UAAU,SAAc;IAE3C,IAAI,eAAe,EAAE;QAEjB,MAAM,MAAM,GAAG,eAAe,CAAC,SAAS,CAAC,CAAC;QAE1C,IAAI,OAAO,MAAM,KAAK,QAAQ,EAAE;YAC5B,OAAO,MAAM,CAAC;SACjB;aAAM;YACH,MAAM,IAAI,KAAK,CAAC,uHAAuH,CAAC,CAAC;SAC5I;KACJ;SAAM;QACH,MAAM,IAAI,KAAK,CAAC,2DAA2D,CAAC,CAAC;KAChF;AAEL,CAAC,CAAC;AAfS,QAAA,SAAS,aAelB;AAEF,SAAS,UAAU,CAAC,aAA4C;IAE5D,IAAI,OAAO,aAAa,KAAK,UAAU,EAAE;QACrC,OAAO,aAAa,CAAC;KACxB;SAAM;QACH,MAAM,IAAI,KAAK,CAAC,2GAA2G,CAAC,CAAC;KAChI;AACL,CAAC;AAED,SAAgB,kBAAkB,CAAC,QAAuC;IACtE,eAAe,GAAG,UAAU,CAAC,QAAQ,CAAC,CAAC;AAC3C,CAAC;AAFD,gDAEC"}
\ No newline at end of file
diff --git a/lib/index_node.js b/lib-node/index_node.js
similarity index 100%
rename from lib/index_node.js
rename to lib-node/index_node.js
diff --git a/lib/index_node.js.map b/lib-node/index_node.js.map
similarity index 100%
rename from lib/index_node.js.map
rename to lib-node/index_node.js.map
diff --git a/lib-node/resolver.js b/lib-node/resolver.js
new file mode 100644
index 0000000..dec83d3
--- /dev/null
+++ b/lib-node/resolver.js
@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.initialiseResolver = exports.read_file = void 0;
+let resolveFunction = null;
+let read_file = function (source_id) {
+    if (resolveFunction) {
+        const result = resolveFunction(source_id);
+        if (typeof result === "string") {
+            return result;
+        }
+        else {
+            throw new Error("Noir source resolver funtion MUST return String synchronously. Are you trying to return anything else, eg. `Promise`?");
+        }
+    }
+    else {
+        throw new Error('Not yet initialised. Use initialiseResolver(() => string)');
+    }
+};
+exports.read_file = read_file;
+function initialise(noir_resolver) {
+    if (typeof noir_resolver === "function") {
+        return noir_resolver;
+    }
+    else {
+        throw new Error("Provided Noir Resolver is not a function, hint: use function(module_id) => NoirSource as second parameter");
+    }
+}
+function initialiseResolver(resolver) {
+    resolveFunction = initialise(resolver);
+}
+exports.initialiseResolver = initialiseResolver;
+//# sourceMappingURL=resolver.js.map
\ No newline at end of file
diff --git a/lib-node/resolver.js.map b/lib-node/resolver.js.map
new file mode 100644
index 0000000..1937643
--- /dev/null
+++ b/lib-node/resolver.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"resolver.js","sourceRoot":"","sources":["../src/resolver.ts"],"names":[],"mappings":";;;AAAA,IAAI,eAAe,GAAoB,IAAI,CAAC;AAErC,IAAI,SAAS,GAAG,UAAU,SAAc;IAE3C,IAAI,eAAe,EAAE;QAEjB,MAAM,MAAM,GAAG,eAAe,CAAC,SAAS,CAAC,CAAC;QAE1C,IAAI,OAAO,MAAM,KAAK,QAAQ,EAAE;YAC5B,OAAO,MAAM,CAAC;SACjB;aAAM;YACH,MAAM,IAAI,KAAK,CAAC,uHAAuH,CAAC,CAAC;SAC5I;KACJ;SAAM;QACH,MAAM,IAAI,KAAK,CAAC,2DAA2D,CAAC,CAAC;KAChF;AAEL,CAAC,CAAC;AAfS,QAAA,SAAS,aAelB;AAEF,SAAS,UAAU,CAAC,aAA4C;IAE5D,IAAI,OAAO,aAAa,KAAK,UAAU,EAAE;QACrC,OAAO,aAAa,CAAC;KACxB;SAAM;QACH,MAAM,IAAI,KAAK,CAAC,2GAA2G,CAAC,CAAC;KAChI;AACL,CAAC;AAED,SAAgB,kBAAkB,CAAC,QAAuC;IACtE,eAAe,GAAG,UAAU,CAAC,QAAQ,CAAC,CAAC;AAC3C,CAAC;AAFD,gDAEC"}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index b9d896f..2fa44b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@noir-lang/noir-source-resolver",
-  "version": "1.1.1",
+  "version": "1.1.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@noir-lang/noir-source-resolver",
-      "version": "1.1.1",
+      "version": "1.1.3",
       "license": "MIT",
       "devDependencies": {
         "@types/node": "^18.11.17",
diff --git a/package.json b/package.json
index 4fab68b..102bac7 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@noir-lang/noir-source-resolver",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "license": "MIT",
-  "main": "./lib/index_node.js",
+  "main": "./lib-node/index_node.js",
   "module": "./lib/index.js",
   "browser": "./lib/index.js",
   "exports": {
     ".": {
-      "require": "./lib/index_node.js",
+      "require": "./lib-node/index_node.js",
       "import": "./lib/index.js"
     }
   },
diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json
index be42d4d..51863a3 100644
--- a/tsconfig.cjs.json
+++ b/tsconfig.cjs.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     "target": "es2018",
     "moduleResolution": "node",
-    "outDir": "lib",
+    "outDir": "lib-node",
     "module": "commonjs",
     "strict": true,
     "esModuleInterop": true,