fix(contracts): add browser stub for custom-network-signatures export

Author: Ansonhkg

packages/contracts/dist/custom-network-signatures.browser.cjs

@@ -0,0 +1,15 @@
+"use strict";
+const UNSUPPORTED_MESSAGE = "@lit-protocol/contracts/custom-network-signatures is not supported in browser environments. Please pre-generate contract signatures in a Node.js process and ship the artifacts instead.";
+function throwBrowserUnsupported() {
+  throw new Error(UNSUPPORTED_MESSAGE);
+}
+function buildSignaturesFromContext(_options) {
+  return throwBrowserUnsupported();
+}
+async function generateSignaturesFromContext(_options) {
+  throwBrowserUnsupported();
+}
+module.exports = {
+  buildSignaturesFromContext,
+  generateSignaturesFromContext
+};

packages/contracts/dist/custom-network-signatures.browser.js

@@ -0,0 +1,18 @@
+/**
+ * Browser stub for @lit-protocol/contracts/custom-network-signatures.
+ * These utilities require Node.js filesystem access and cannot run in the browser.
+ */
+const UNSUPPORTED_MESSAGE = "@lit-protocol/contracts/custom-network-signatures is not supported in browser environments. Please pre-generate contract signatures in a Node.js process and ship the artifacts instead.";
+function throwBrowserUnsupported() {
+  throw new Error(UNSUPPORTED_MESSAGE);
+}
+function buildSignaturesFromContext(_options) {
+  return throwBrowserUnsupported();
+}
+async function generateSignaturesFromContext(_options) {
+  throwBrowserUnsupported();
+}
+export {
+  buildSignaturesFromContext,
+  generateSignaturesFromContext
+};

packages/contracts/package.json

@@ -94,6 +94,10 @@
       "types": "./dist/signatures/develop.d.ts"
     },
     "./custom-network-signatures": {
+      "browser": {
+        "import": "./dist/custom-network-signatures.browser.js",
+        "require": "./dist/custom-network-signatures.browser.cjs"
+      },
       "import": "./dist/custom-network-signatures.js",
       "require": "./dist/custom-network-signatures.cjs",
       "types": "./dist/custom-network-signatures.d.ts"

packages/contracts/src/custom-network-signatures.browser.ts

@@ -0,0 +1,31 @@
+import type {
+  BuildSignaturesFromContextOptions,
+  BuildSignaturesFromContextResult,
+  GenerateSignaturesOptions,
+} from './custom-network-signatures';
+
+const UNSUPPORTED_MESSAGE =
+  '@lit-protocol/contracts/custom-network-signatures is not supported in browser environments. ' +
+  'Please generate contract signatures ahead of time in a Node.js process and ship the artifacts instead.';
+
+function throwBrowserUnsupported(): never {
+  throw new Error(UNSUPPORTED_MESSAGE);
+}
+
+export function buildSignaturesFromContext(
+  _options: BuildSignaturesFromContextOptions
+): BuildSignaturesFromContextResult {
+  return throwBrowserUnsupported();
+}
+
+export async function generateSignaturesFromContext(
+  _options: GenerateSignaturesOptions
+): Promise<never> {
+  throwBrowserUnsupported();
+}
+
+export type {
+  BuildSignaturesFromContextOptions,
+  BuildSignaturesFromContextResult,
+  GenerateSignaturesOptions,
+} from './custom-network-signatures';