review: rename ec-error file to error

src/utils/errors.ts

@@ -0,0 +1,73 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { t } from "i18next";
+
+export enum ErrorCode {
+  /**
+   * Configuration problem due to no MatrixRTC backend/SFU is exposed via .well-known and no fallback configured.
+   */
+  MISSING_MATRIX_RTC_FOCUS = "MISSING_MATRIX_RTC_FOCUS",
+  CONNECTION_LOST_ERROR = "CONNECTION_LOST_ERROR",
+  // UNKNOWN_ERROR = "UNKNOWN_ERROR",
+}
+
+export enum ErrorCategory {
+  /** Calling is not supported, server misconfigured (JWT service missing, no MSC support ...)*/
+  CONFIGURATION_ISSUE = "CONFIGURATION_ISSUE",
+  NETWORK_CONNECTIVITY = "NETWORK_CONNECTIVITY",
+  // SYSTEM_FAILURE / FEDERATION_FAILURE ..
+}
+
+/**
+ * Structure for errors that occur when using ElementCall.
+ */
+export class ElementCallError extends Error {
+  public code: ErrorCode;
+  public category: ErrorCategory;
+  public localisedMessage?: string;
+
+  public constructor(
+    name: string,
+    code: ErrorCode,
+    category: ErrorCategory,
+    localisedMessage?: string,
+  ) {
+    super();
+    this.localisedMessage = localisedMessage;
+    this.category = category;
+    this.code = code;
+  }
+}
+
+export class MatrixRTCFocusMissingError extends ElementCallError {
+  public domain: string;
+
+  public constructor(domain: string) {
+    super(
+      "MatrixRTCFocusMissingError",
+      ErrorCode.MISSING_MATRIX_RTC_FOCUS,
+      ErrorCategory.CONFIGURATION_ISSUE,
+      t("error.matrix_rtc_focus_missing", {
+        domain,
+        brand: import.meta.env.VITE_PRODUCT_NAME || "Element Call",
+        errorCode: ErrorCode.MISSING_MATRIX_RTC_FOCUS,
+      }),
+    );
+    this.domain = domain;
+  }
+}
+
+export class ConnectionLostError extends ElementCallError {
+  public constructor() {
+    super(
+      "Connection lost",
+      ErrorCode.CONNECTION_LOST_ERROR,
+      ErrorCategory.NETWORK_CONNECTIVITY,
+    );
+  }
+}