Platform logging lib (#15338)

* Add Platform Logging Lib

* Move console log spec and test util back into libs/common

* Fix ConsoleLogServer re-export

* Fix types error

libs/logging/src/console-log.service.ts

@@ -0,0 +1,57 @@
+import { LogLevel } from "./log-level";
+import { LogService } from "./log.service";
+
+export class ConsoleLogService implements LogService {
+  protected timersMap: Map<string, [number, number]> = new Map();
+
+  constructor(
+    protected isDev: boolean,
+    protected filter: ((level: LogLevel) => boolean) | null = null,
+  ) {}
+
+  debug(message?: any, ...optionalParams: any[]) {
+    if (!this.isDev) {
+      return;
+    }
+    this.write(LogLevel.Debug, message, ...optionalParams);
+  }
+
+  info(message?: any, ...optionalParams: any[]) {
+    this.write(LogLevel.Info, message, ...optionalParams);
+  }
+
+  warning(message?: any, ...optionalParams: any[]) {
+    this.write(LogLevel.Warning, message, ...optionalParams);
+  }
+
+  error(message?: any, ...optionalParams: any[]) {
+    this.write(LogLevel.Error, message, ...optionalParams);
+  }
+
+  write(level: LogLevel, message?: any, ...optionalParams: any[]) {
+    if (this.filter != null && this.filter(level)) {
+      return;
+    }
+
+    switch (level) {
+      case LogLevel.Debug:
+        // eslint-disable-next-line
+        console.log(message, ...optionalParams);
+        break;
+      case LogLevel.Info:
+        // eslint-disable-next-line
+        console.log(message, ...optionalParams);
+        break;
+      case LogLevel.Warning:
+        // eslint-disable-next-line
+        console.warn(message, ...optionalParams);
+        break;
+      case LogLevel.Error:
+        // eslint-disable-next-line
+        console.error(message, ...optionalParams);
+        break;
+      default:
+        break;
+    }
+  }
+}

libs/logging/src/index.ts

@@ -0,0 +1,3 @@
+export { LogService } from "./log.service";
+export { LogLevel } from "./log-level";
+export { ConsoleLogService } from "./console-log.service";

libs/logging/src/log-level.ts

@@ -0,0 +1,8 @@
+// FIXME: update to use a const object instead of a typescript enum
+// eslint-disable-next-line @bitwarden/platform/no-enums
+export enum LogLevel {
+  Debug,
+  Info,
+  Warning,
+  Error,
+}

libs/logging/src/log.service.ts

@@ -0,0 +1,9 @@
+import { LogLevel } from "./log-level";
+
+export abstract class LogService {
+  abstract debug(message?: any, ...optionalParams: any[]): void;
+  abstract info(message?: any, ...optionalParams: any[]): void;
+  abstract warning(message?: any, ...optionalParams: any[]): void;
+  abstract error(message?: any, ...optionalParams: any[]): void;
+  abstract write(level: LogLevel, message?: any, ...optionalParams: any[]): void;
+}

libs/logging/src/logging.spec.ts

@@ -0,0 +1,8 @@
+import * as lib from "./index";
+
+describe("logging", () => {
+  // This test will fail until something is exported from index.ts
+  it("should work", () => {
+    expect(lib).toBeDefined();
+  });
+});