support new query string initialize=false

[gilluminate]

Closes PROD-2086

Description Of Changes

Add a /fides.js?initialize=false option to the Privacy Center that disables the initialization but still stores the server-side “config” in the window.Fides object that FidesJS can access later via init().

Takes advantage of the window.Fides.config property that reinitialize is using. When that property exists, we use it for the initialization (which in turn simplifies reinitialize since it doesn't need to be passed in as a property every time).

Code Changes

• Update fides.ts and fides-tcf.ts to take advantage of window.Fides.config (this.config), if it exists, when initializing fides.js
• update reinitialize() to not pass it in to init() now that it's already self aware of that property
• Update Next's route for fides-js.ts to not automatically trigger the init() function if query string initialize=false is present.

Steps to Confirm

• Visit demo page of Privacy Center with initialization set to false /fides-js-demo.html?initialize=false
• Notice in the devTools console log that initialization has been skipped and nothing else.
• In devTools console, update some config settings at this point (eg window.Fides.config.options.fidesPrimaryColor = "#008000")
• In devTools console, execute the window.Fides.init() command.
• Everything will initialize as it normally would have if the query string wasn't present (feel free to compare the 2)
• The config setting you injected should take effect (eg. color should be green when modal gets opened).

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • added to developer docs
• Issue Requirements are Met
• Update CHANGELOG.md

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1 Ignored Deployment

Name	Status	Preview	Comments	Updated (UTC)
fides-plus-nightly	⬜️ Ignored (Inspect)	Visit Preview		May 21, 2024 10:34pm

[cypress]

Passing run #7840 ↗︎

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Details:

Merge 415b70a into 587eda6...
Project: fides	Commit: 5c5f5961a2 ℹ️
Status: Passed	Duration: 00:34 💡
Started: May 21, 2024 10:45 PM	Ended: May 21, 2024 10:45 PM

Review all test suite changes for PR #4900 ↗︎

[NevilleS]

Minor nits, and one suggestion to make it easier to reason about the Fides.config internal variable for our future selves...

[guncha]

Looks great! Do we still need the reinitialize function? Seems like it's no longer needed as it's the same as init being called without any arguments.

[gilluminate]

Do we still need the reinitialize function?

@guncha I don't mind keeping it as a more explicit action that can be taken, especially since it's so tiny. I could also see it doing more things down the road. @NevilleS thoughts?

[NevilleS]

Do we still need the reinitialize function?

@guncha I don't mind keeping it as a more explicit action that can be taken, especially since it's so tiny. I could also see it doing more things down the road. @NevilleS thoughts?

Since reinitialize is part of our documented API, we should still maintain it. If it's equivalent to just calling Fides.init() though, we could add that API to the docs and deprecate reinitialize 😄

[gilluminate]

If it's equivalent to just calling Fides.init() though, we could add that API to the docs and deprecate reinitialize 😄

@NevilleS @guncha I've updated the docs to reflect that change! ded903e