From 74755e51d87a3f19e61cd4740102309cc5ec0263 Mon Sep 17 00:00:00 2001
From: Jonathan Baldie <jon@jonbaldie.com>
Date: Sat, 2 May 2026 09:47:06 +0100
Subject: [PATCH] fix Cypress component debug hook registration

---
 client/cypress.config.js            | 52 ++++++++++++++---------------
 client/cypress/support/component.js | 28 +++++++++-------
 2 files changed, 42 insertions(+), 38 deletions(-)

diff --git a/client/cypress.config.js b/client/cypress.config.js
index 324234b9..c79e8804 100644
--- a/client/cypress.config.js
+++ b/client/cypress.config.js
@@ -5,36 +5,36 @@ module.exports = defineConfig({
   env: {
     ABS_CYPRESS_DEBUG_BROWSER: false
   },
-  e2e: {
-    setupNodeEvents(on, config) {
-      on('task', {
-        absCypressDebug(payload) {
-          const prefix = `[cypress:${payload.type}]`
-          const message = typeof payload.message === 'string' ? payload.message : JSON.stringify(payload.message)
-          const details = payload.details ? `\n${payload.details}` : ''
+  setupNodeEvents(on, config) {
+    on('task', {
+      absCypressDebug(payload) {
+        const prefix = `[cypress:${payload.type}]`
+        const message = typeof payload.message === 'string' ? payload.message : JSON.stringify(payload.message)
+        const details = payload.details ? `\n${payload.details}` : ''
 
-          // Surface browser-side failures in terminal output for focused debug runs.
-          console.error(`${prefix} ${message}${details}`)
-          return null
-        }
-      })
-
-      on('before:browser:launch', (browser, launchOptions) => {
-        if (!config.env.ABS_CYPRESS_DEBUG_BROWSER) {
-          return launchOptions
-        }
-
-        if (browser.family === 'chromium') {
-          launchOptions.args.push('--auto-open-devtools-for-tabs')
-          launchOptions.args.push('--enable-logging=stderr')
-          launchOptions.args.push('--v=1')
-        }
+        // Surface browser-side failures in terminal output for focused debug runs.
+        console.error(`${prefix} ${message}${details}`)
+        return null
+      }
+    })
 
+    on('before:browser:launch', (browser, launchOptions) => {
+      if (!config.env.ABS_CYPRESS_DEBUG_BROWSER) {
         return launchOptions
-      })
+      }
 
-      return config
-    }
+      if (browser.family === 'chromium') {
+        launchOptions.args.push('--auto-open-devtools-for-tabs')
+        launchOptions.args.push('--enable-logging=stderr')
+        launchOptions.args.push('--v=1')
+      }
+
+      return launchOptions
+    })
+
+    return config
+  },
+  e2e: {
   },
   component: {
     devServer: {
diff --git a/client/cypress/support/component.js b/client/cypress/support/component.js
index ac78cb25..8ba9fb80 100644
--- a/client/cypress/support/component.js
+++ b/client/cypress/support/component.js
@@ -49,20 +49,24 @@ const forwardBrowserDebug = (type, message, details) => {
   }, { log: false })
 }
 
-window.addEventListener('error', (event) => {
-  forwardBrowserDebug('window-error', event.message || 'Unhandled window error', event.error)
-})
+if (!window.__absCypressDebugListenersRegistered) {
+  window.addEventListener('error', (event) => {
+    forwardBrowserDebug('window-error', event.message || 'Unhandled window error', event.error)
+  })
 
-window.addEventListener('unhandledrejection', (event) => {
-  const reason = event.reason
-  const message = reason?.message || 'Unhandled promise rejection'
-  forwardBrowserDebug('unhandledrejection', message, reason)
-})
+  window.addEventListener('unhandledrejection', (event) => {
+    const reason = event.reason
+    const message = reason?.message || 'Unhandled promise rejection'
+    forwardBrowserDebug('unhandledrejection', message, reason)
+  })
 
-Cypress.on('fail', (error, runnable) => {
-  forwardBrowserDebug('cypress-fail', `${runnable?.fullTitle?.() || 'Unknown test'} failed`, error)
-  throw error
-})
+  Cypress.on('fail', (error, runnable) => {
+    forwardBrowserDebug('cypress-fail', `${runnable?.fullTitle?.() || 'Unknown test'} failed`, error)
+    throw error
+  })
+
+  window.__absCypressDebugListenersRegistered = true
+}
 
 //Cypress.Commands.add('mount', mount)
 Cypress.Commands.add('mount', (component, options = {}) => {