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WalkthroughThe changes introduce dynamic insertion of a "Cookie Settings" link into the HTML page after a short delay using a template and script. The GTM consent logic is updated to handle two additional consent categories, Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant Browser
participant DOM
participant ConsentModal
User->>Browser: Loads page
Browser->>DOM: Fires DOMContentLoaded
Browser->>DOM: Waits 2 seconds
Browser->>DOM: Inserts "Cookie Settings" link into dynamic container
User->>DOM: Clicks "Cookie Settings" link
DOM->>Browser: Detects click event
Browser->>ConsentModal: Calls CookieConsentModalOpen()
ConsentModal->>User: Displays consent modal
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Actionable comments posted: 0
🧹 Nitpick comments (4)
public/index.html (2)
197-208: Consider adding a fallback mechanism.While the delayed content injection works, there's no fallback if the script fails to load or execute properly. Users would have no way to access cookie settings in such cases.
window.addEventListener('DOMContentLoaded', () => { setTimeout(() => { const container = document.getElementById('dynamic-link-container'); const template = document.getElementById('cookie-settings-template'); if (container && template?.content) { container.appendChild(template.content.cloneNode(true)); + } else { + console.warn('Cookie settings link could not be added: container or template not found'); } }, 2000); });
199-207: Why delay the injection by 2 seconds?The 2-second delay before injecting the cookie settings link seems arbitrary and may impact user experience. Consider reducing the delay or explaining its purpose with a comment.
window.addEventListener('DOMContentLoaded', () => { - setTimeout(() => { + // Short delay to ensure all other components are loaded + setTimeout(() => { const container = document.getElementById('dynamic-link-container'); const template = document.getElementById('cookie-settings-template'); if (container && template?.content) { container.appendChild(template.content.cloneNode(true)); } - }, 2000); + }, 500); // Reduced from 2000ms for better user experience });src/gtm.ts (2)
159-169: Use optional chaining for null check.The click handler implementation looks good, but could benefit from using optional chaining as suggested by the static analysis.
document.body.addEventListener('click', function (event) { const target = event.target as HTMLElement; - if (target && target.classList.contains('js-consent-open')) { + if (target?.classList.contains('js-consent-open')) { if (window.CookieConsentModalOpen) { event.preventDefault(); window.CookieConsentModalOpen(); } } });🧰 Tools
🪛 Biome (1.9.4)
[error] 163-163: Change to an optional chain.
Unsafe fix: Change to an optional chain.
(lint/complexity/useOptionalChain)
164-167: Consider checking if CookieConsentModalOpen is a function.The current implementation assumes
window.CookieConsentModalOpenis a function if it exists. Adding a type check would make this more robust.- if (window.CookieConsentModalOpen) { + if (typeof window.CookieConsentModalOpen === 'function') { event.preventDefault(); window.CookieConsentModalOpen(); }
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📒 Files selected for processing (2)
public/index.html(2 hunks)src/gtm.ts(7 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (1)
src/gtm.ts (1)
src/config/index.ts (2)
GRANTED(37-37)DENIED(36-36)
🪛 Biome (1.9.4)
src/gtm.ts
[error] 163-163: Change to an optional chain.
Unsafe fix: Change to an optional chain.
(lint/complexity/useOptionalChain)
⏰ Context from checks skipped due to timeout of 90000ms (1)
- GitHub Check: Codacy Static Code Analysis
🔇 Additional comments (6)
public/index.html (2)
110-110: Added placeholder for dynamic content.The empty paragraph with
id="dynamic-link-container"serves as a target for dynamically injected content. This is a clean approach for DOM manipulation.
193-195: Good use of the template element for reusable content.Using the
<template>element is an efficient way to define content that will be cloned and injected later. The classjs-consent-openappropriately matches the event handler in the GTM script.src/gtm.ts (4)
43-44: Consistently applying new consent categories in the update handler.The same consent categories are correctly applied in the consent update event handler, maintaining consistency with the default consent implementation.
57-58: Consistently adding consent categories to custom consent data.Good implementation ensuring the new consent categories are also pushed to the custom consent from document section.
146-146:Details
❓ Verification inconclusive
Verify impact of disabling the cross button.
Setting
disableCross: truewill remove the close (X) button from the consent modal. Ensure this is intended behavior and won't negatively impact user experience.
🏁 Script executed:
#!/bin/bash # Check if there's documentation about disableCross in the codebase rg -i "disableCross" --type md # Also check for any related properties rg -i "disable.*cross" --type ts rg -i "disable.*button" --type tsLength of output: 863
Confirm removal of the close (X) button in the consent modal
The
disableCrossflag is documented in README.md (boolean, defaultfalse) and wired through:
- src/settings/default.ts (defaults to
false)- src/services/settings-service.ts (merges window settings with defaults)
- src/gtm.ts (overridden to
true)- src/components/consent-button-close/consent-button-close.ts (hides the button when
true)Setting
disableCross: truewill remove the close button from the modal. Please verify that hiding the cross button aligns with the intended user experience.
17-18:Details
✅ Verification successful
Added new consent categories for Google Ads.
The addition of
ad_user_dataandad_personalizationconsent categories aligns with Google's latest consent mode requirements. Good implementation tying these to the existing marketing consent.For more information about these categories, see Google's documentation on consent mode v2:
🌐 Web query:
What are ad_user_data and ad_personalization in Google consent mode v2?💡 Result:
ad_user_data and ad_personalization in Google Consent Mode v2
Google Consent Mode v2 introduces two new consent parameters—ad_user_data and ad_personalization—specifically to address regulatory requirements and give users more granular control over how their data is handled for advertising purposes[4][6][8][9].
ad_user_data
- This parameter indicates whether a user consents to their personal data being sent to Google for advertising-related purposes such as conversion tracking, campaign measurement, and reporting.
- If a user grants consent, ad_user_data is set to "granted"; if not, it is set to "denied."
- This setting governs whether personal data (as opposed to just cookie data) can be transmitted to Google services like Google Ads, Google Shopping, and Google Play for advertising use[4][8][10].
ad_personalization
- This parameter controls whether a user consents to their data being used for personalizing ads—most notably for remarketing or tailored advertising campaigns.
- Like ad_user_data, ad_personalization is either "granted" or "denied," depending on user consent.
- Only when ad_personalization is granted can Google use the individual’s data for ad personalization, such as showing specific ads based on their previous activity or interests[4][8][10].
How They Differ from Previous Consent Mode Parameters
- ad_storage and analytics_storage (existing parameters) only dictated whether cookies or app identifiers could be stored for advertising or analytics purposes.
- ad_user_data and ad_personalization (new v2 parameters) relate to how personal data is used and shared by Google after it is collected, adding a downstream layer of user privacy protection[3][7][10].
Implementation Context
- ad_user_data and ad_personalization are required to comply with the latest privacy laws in regions like the European Economic Area (EEA) and under the EU’s Digital Markets Act[4][7][10].
- These parameters are implemented alongside cookie consent banners and Consent Management Platforms (CMPs). The user's choice on these banners is relayed to Google tags, enabling or restricting how data is processed and used for advertising[4][5][6].
Summary Table: Consent Mode v2 Parameters
Parameter Purpose User Choice ad_storage Allows storage of cookies for advertising granted/denied analytics_storage Allows storage of cookies for analytics granted/denied ad_user_data Allows sending of user data to Google for advertising granted/denied ad_personalization Allows personalized ads (e.g., remarketing) granted/denied Key Points
- ad_user_data: Governs permission to send personal data to Google for advertising uses.
- ad_personalization: Governs whether user data can be used for personalized/remarketing ads.
- Consent for both is managed through interactions with cookie banners and CMPs.
- Implementation of both parameters is essential for continued use of Google advertising products in regulated regions[4][7][8][10].
Google Consent Mode v2, with these parameters, empowers site owners to align data usage to explicit user choices and increases user privacy control[4][9][10].
Citations:
- 1: https://developers.google.com/tag-platform/security/guides/consent
- 2: https://support.google.com/tagmanager/answer/13802165
- 3: https://www.simoahava.com/analytics/consent-mode-v2-google-tags/
- 4: https://www.cookiehub.com/blog/an-easy-guide-to-google-consent-mode-v2
- 5: https://www.cookieyes.com/blog/google-consent-mode-v2/
- 6: https://support.usercentrics.com/hc/en-us/articles/14641321840668-Advanced-and-Basic-Google-Consent-Mode-v2
- 7: https://cookie-script.com/blog/basic-advanced-google-consent-mode-v2
- 8: https://cookieinformation.com/resources/blog/top-10-questions-about-googles-consent-mode-v2/
- 9: https://clym.io/blog/google-consent-mode-v2
- 10: https://cookie-script.com/blog/google-consent-mode-v2
✅ Approve: Correct implementation of ad_user_data & ad_personalization
- File:
src/gtm.ts(Lines 17–18)ad_user_data: defaultConsent.marketing ? GRANTED : DENIED, ad_personalization: defaultConsent.marketing ? GRANTED : DENIED,- ad_user_data governs whether personal data can be sent to Google for conversion tracking and reporting.
- ad_personalization controls whether user data is used for remarketing and tailored ads.
- Tying both to the existing
marketingconsent toggle is appropriate and aligns with Google Consent Mode v2 requirements.No further changes required.
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