Share common util code with VS Code

This lets us re-use the normalized base path so when we expire/clear the
cookie we use the same base path.

src/browser/register.ts

@@ -1,3 +1,4 @@
+import { logger } from "@coder/logger"
 import { getOptions, normalize, logError } from "../common/util"
 
 import "./pages/error.css"
@@ -6,6 +7,8 @@ import "./pages/login.css"
 
 export async function registerServiceWorker(): Promise<void> {
   const options = getOptions()
+  logger.level = options.logLevel
+
   const path = normalize(`${options.csStaticBase}/dist/serviceWorker.js`)
   try {
     await navigator.serviceWorker.register(path, {
@@ -13,7 +16,7 @@ export async function registerServiceWorker(): Promise<void> {
     })
     console.log("[Service Worker] registered")
   } catch (error) {
-    logError(`[Service Worker] registration`, error)
+    logError(logger, `[Service Worker] registration`, error)
   }
 }
 

src/common/util.ts

@@ -1,5 +1,13 @@
-import { logger, field } from "@coder/logger"
+/*
+ * This file exists in two locations:
+ * - src/common/util.ts
+ * - lib/vscode/src/vs/server/common/util.ts
+ * The second is a symlink to the first.
+ */
 
+/**
+ * Base options included on every page.
+ */
 export interface Options {
   base: string
   csStaticBase: string
@@ -78,13 +86,9 @@ export const getOptions = <T extends Options>(): T => {
     }
   }
 
-  logger.level = options.logLevel
-
   options.base = resolveBase(options.base)
   options.csStaticBase = resolveBase(options.csStaticBase)
 
-  logger.debug("got options", field("options", options))
-
   return options
 }
 
@@ -113,7 +117,8 @@ export const getFirstString = (value: string | string[] | object | undefined): s
   return typeof value === "string" ? value : undefined
 }
 
-export function logError(prefix: string, err: any): void {
+// TODO: Might make sense to add Error handling to the logger itself.
+export function logError(logger: { error: (msg: string) => void }, prefix: string, err: Error | string): void {
   if (err instanceof Error) {
     logger.error(`${prefix}: ${err.message} ${err.stack}`)
   } else {

src/node/app.ts

@@ -37,7 +37,7 @@ export const createApp = async (args: DefaultedArgs): Promise<[Express, Express,
         reject(err)
       } else {
         // Promise resolved earlier so this is an unrelated error.
-        util.logError("http server error", err)
+        util.logError(logger, "http server error", err)
       }
     })