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fix(gtm): invoke onBeforeGtmStart callback when ID is in config - #584
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Combined commits: - fix(plausible): use consistent window reference in clientInit stub
When GTM ID is configured in nuxt.config, the plugin pre-initializes the script before user components mount. This caused onBeforeGtmStart callbacks passed to useScriptGoogleTagManager() to never be invoked. Now checks if script was already initialized (gtag exists) and invokes the callback immediately for cached/pre-initialized scripts. Closes#522 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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zizzfizzix pushed a commit
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Mar 5, 2026
…#584) Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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🔗 Linked issue
Resolves#522
❓ Type of change
📚 Description
When GTM ID is configured in
nuxt.config.scripts.registry, the module generates a plugin that pre-initializes the script at app startup—before any user components mount. This meantonBeforeGtmStartcallbacks passed later in components were never invoked sinceclientInithad already run with no callback in its closure.Now after
useRegistryScriptreturns, we check ifwindow.gtagalready exists (indicating pre-initialization) and immediately invoke the callback.