error boundary now properly reports steam errors

frontend/src/utils/errors.ts

@@ -0,0 +1,48 @@
+import { ErrorInfo } from 'react';
+
+const pluginErrorRegex = /http:\/\/localhost:1337\/plugins\/([^\/]*)\//;
+const pluginSourceMapErrorRegex = /decky:\/\/decky\/plugin\/([^\/]*)\//;
+const legacyPluginErrorRegex = /decky:\/\/decky\/legacy_plugin\/([^\/]*)\/index.js/;
+
+export interface ValveReactErrorInfo {
+  error: Error;
+  info: ErrorInfo;
+}
+
+export interface ValveError {
+  identifier: string;
+  identifierHash: string;
+  message: string | [func: string, src: string, line: number, column: number];
+}
+
+export type ErrorSource = [source: string, wasPlugin: boolean, shouldReportToValve: boolean];
+
+export function getLikelyErrorSourceFromValveError(error: ValveError): ErrorSource {
+  return getLikelyErrorSource(JSON.stringify(error?.message));
+}
+
+export function getLikelyErrorSourceFromValveReactError(error: ValveReactErrorInfo): ErrorSource {
+  return getLikelyErrorSource(error?.error?.stack);
+}
+
+export function getLikelyErrorSource(error?: string): ErrorSource {
+  const pluginMatch = error?.match(pluginErrorRegex);
+  if (pluginMatch) {
+    return [decodeURIComponent(pluginMatch[1]), true, false];
+  }
+
+  const pluginMatchViaMap = error?.match(pluginSourceMapErrorRegex);
+  if (pluginMatchViaMap) {
+    return [decodeURIComponent(pluginMatchViaMap[1]), true, false];
+  }
+
+  const legacyPluginMatch = error?.match(legacyPluginErrorRegex);
+  if (legacyPluginMatch) {
+    return [decodeURIComponent(legacyPluginMatch[1]), true, false];
+  }
+
+  if (error?.includes('http://localhost:1337/')) {
+    return ['the Decky frontend', false, false];
+  }
+  return ['Steam', false, true];
+}