Postpone log level detection until OC loaded

.github/workflows/node.yml

@@ -0,0 +1,54 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+
+name: Node
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - master
+      - stable*
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    name: node
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Read package.json node and npm engines version
+        uses: skjnldsv/read-package-engines-version-actions@v2
+        id: versions
+        with:
+          fallbackNode: '^16'
+          fallbackNpm: '^8'
+
+      - name: Set up node ${{ steps.versions.outputs.nodeVersion }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ steps.versions.outputs.nodeVersion }}
+
+      - name: Set up npm ${{ steps.versions.outputs.npmVersion }}
+        run: npm i -g npm@"${{ steps.versions.outputs.npmVersion }}"
+
+      - name: Install dependencies & build
+        run: |
+          npm ci
+          npm run build
+
+      - name: Check typings
+        run: |
+          npm run check-types
+
+      - name: npm test
+        run: |
+          npm test

README.md

@@ -1,5 +1,6 @@
 # @nextcloud/logger
 
+[![Build Status](https://img.shields.io/github/actions/workflow/status/nextcloud/nextcloud-logger/node.yml?branch=master)](https://github.com/nextcloud/nextcloud-logger/actions/workflows/node.yml)
 [![npm](https://img.shields.io/npm/v/@nextcloud/logger.svg)](https://www.npmjs.com/package/@nextcloud/logger)
 [![Documentation](https://img.shields.io/badge/Documentation-online-brightgreen)](https://nextcloud.github.io/nextcloud-logger/)
 

jest.config.mjs

@@ -0,0 +1,7 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+export default {
+  clearMocks: true,
+  preset: 'ts-jest',
+  collectCoverageFrom: ['lib/**/*.ts'],
+  testEnvironment: 'jsdom',
+}

lib/LoggerBuilder.ts

@@ -3,26 +3,24 @@
 import { getCurrentUser } from '@nextcloud/auth'
 import { ILogger, ILoggerFactory, LogLevel } from './contracts'
 
-declare var OC: Nextcloud.v22.OC | Nextcloud.v23.OC | Nextcloud.v24.OC;
+declare global {
+    interface Window {
+        OC: Nextcloud.v23.OC | Nextcloud.v24.OC | Nextcloud.v25.OC;
+    }
+}
 
 /**
  * @notExported
  */
 export class LoggerBuilder {
 
-    private context: any
+    protected context: any
 
-    private factory: ILoggerFactory
+    protected factory: ILoggerFactory
 
     constructor(factory: ILoggerFactory) {
         this.context = {}
         this.factory = factory
-        // Up to, including, nextcloud 24 the loglevel was not exposed
-        this.context.level = (window.hasOwnProperty('OC') && OC?.config?.loglevel !== undefined) ? OC.config.loglevel : LogLevel.Warn
-        // Override loglevel if we are in debug mode
-        if (window.hasOwnProperty('OC') && OC?.debug) {
-            this.context.level = LogLevel.Debug
-        }
     }
 
     /** Set the app name within the logging context */
@@ -55,8 +53,36 @@ export class LoggerBuilder {
         return this
     }
 
+    /** Detect and use logging level configured in nextcloud config */
+    detectLogLevel(): LoggerBuilder {
+        const self = this
+
+        // Use arrow function to prevent undefined `this` within event handler
+        const onLoaded = () => {
+            if (document.readyState === "complete" || (document.readyState === "interactive" && window.OC !== undefined)) {
+                // Up to, including, nextcloud 24 the loglevel was not exposed
+                self.context.level = window.OC?.config?.loglevel !== undefined ? window.OC.config.loglevel : LogLevel.Warn
+                // Override loglevel if we are in debug mode
+                if (window.OC?.debug) {
+                    self.context.level = LogLevel.Debug
+                }
+                document.removeEventListener("readystatechange", onLoaded)
+            } else {
+                document.addEventListener("readystatechange", onLoaded)
+            }
+        }
+
+        onLoaded()
+        return this
+    }
+
     /** Build a logger using the logging context and factory */
     build(): ILogger {
+        if (this.context.level === undefined) {
+            // No logging level set manually, use the configured one
+            this.detectLogLevel()
+        }
+
         return this.factory(this.context)
     }