[DRAFT] Card brand filtering for PAN and saved payment methods

[porter-stripe]

Summary

• Adds the CBF public API to PaymentSheet and CustomerSheet under SPI
• Adds unit and UI tests
• Updates playground with a CBF toggle
• Filters cards in the card text field based on brand
• Hides saved payment methods of cards with disallowed brands

In a future PR:

• Filter card networks in Apple Pay
• Filter card brands in CBC dropdown

Motivation

https://docs.google.com/document/d/1DD7mncHsHbMtU_jqr_TnaLL8ltjO61pPmdOAlJXxYHY/edit

Testing

• Manual
• Unit tests
• UI tests

Changelog

N/A for now

[github-actions]

🚨 New dead code detected in this PR:

{
  "TextFieldElement+Card.swift_isDisallowedBrand": "TextFieldElement+Card.swift: warning: isDisallowedBrand is unused"
}

Please remove the dead code before merging.

If this is intentional, you can bypass this check by adding the label skip dead code check to this PR.

ℹ️ If this comment appears to be left in error, make sure your branch is up-to-date with master.

[emerge-tools]

⚠️ 5 new unused protocols, 6 builds decreased size

Name	Version	Download	Change	Install	Change	Approval
StripeSize com.stripe.StripeSize	1.0 (1)	2.4 MB	⬇️ 4.9 kB (-0.2%)	7.8 MB	⬇️ 12.6 kB (-0.16%)	N/A
StripeApplePaySize com.stripe.StripeApplePaySize	1.0 (1)	432.6 kB	⬇️ 2.0 kB (-0.46%)	1.5 MB	⬇️ 4.2 kB (-0.28%)	N/A
StripeFinancialConnectionsSize com.stripe.StripeFinancialConnectionsSize	1.0 (1)	1.3 MB	⬇️ 6.3 kB (-0.48%)	4.3 MB	⬇️ 13.6 kB (-0.32%)	N/A
StripePaymentsSize com.stripe.StripePaymentsSize	1.0 (1)	1.1 MB	⬇️ 4.0 kB (-0.35%)	4.1 MB	⬇️ 6.3 kB (-0.16%)	N/A
StripePaymentsUISize com.stripe.StripePaymentsUISize	1.0 (1)	1.9 MB	⬇️ 3.4 kB (-0.18%)	6.3 MB	⬇️ 7.9 kB (-0.13%)	N/A
StripePaymentSheetSize com.stripe.StripePaymentSheetSize	1.0 (1)	3.4 MB	⬇️ 11.4 kB (-0.33%)	10.2 MB	⬇️ 29.6 kB (-0.29%)	N/A

StripeSize 1.0 (1)
com.stripe.StripeSize

⚠️ Found new unused protocol: InstantDebitsLinkedBank
⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 12.6 kB (-0.16%)
Total download size change: ⬇️ 4.9 kB (-0.2%)

Largest size changes

Item	Install Size Change
StripePayments.STPBankAccountCollector.collectBankAccountForSetup...	⬇️ -1.5 kB
StripeUICore.TextFieldElement.BlikCodeConfiguration.value witness	⬇️ -1.1 kB
DYLD.Exports	⬇️ -960 B
StripePayments.STPBankAccountCollector.collectBankAccountForPayme...	⬇️ -844 B
🗑 StripeCore.FinancialConnectionsLinkedBank.value witness	⬇️ -740 B

View Treemap

StripeApplePaySize 1.0 (1)
com.stripe.StripeApplePaySize

⚠️ Found new unused protocol: InstantDebitsLinkedBank
⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 4.2 kB (-0.28%)
Total download size change: ⬇️ 2.0 kB (-0.46%)

Largest size changes

Item	Install Size Change
🗑 StripeCore.FinancialConnectionsLinkedBank.value witness	⬇️ -740 B
DYLD.Exports	⬇️ -736 B
🗑 StripeCore.InstantDebitsLinkedBank.value witness	⬇️ -552 B
Other	⬇️ -2.2 kB

View Treemap

StripeFinancialConnectionsSize 1.0 (1)
com.stripe.StripeFinancialConnectionsSize

⚠️ Found new unused protocol: InstantDebitsLinkedBank
⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 13.6 kB (-0.32%)
Total download size change: ⬇️ 6.3 kB (-0.48%)

Largest size changes

Item	Install Size Change
🗑 StripeFinancialConnections.NativeFlowAPIDataManager.init(manifest...	⬇️ -2.8 kB
📝 StripeFinancialConnections.NativeFlowAPIDataManager.init(manifest...	⬆️ 2.8 kB
🗑 StripeFinancialConnections.FinancialConnectionsSharePaymentDetail...	⬇️ -1.7 kB
StripeFinancialConnections.FinancialConnectionsWebFlowViewControl...	⬇️ -1.4 kB
🗑 StripeFinancialConnections.Completed	⬇️ -1.4 kB

View Treemap

StripePaymentsSize 1.0 (1)
com.stripe.StripePaymentsSize

⚠️ 2 new unused protocols: InstantDebitsLinkedBank and FinancialConnectionsLinkedBank
⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 6.3 kB (-0.16%)
Total download size change: ⬇️ 4.0 kB (-0.35%)

Largest size changes

Item	Install Size Change
StripePayments.STPBankAccountCollector.collectBankAccountForSetup...	⬇️ -1.5 kB
StripePayments.STPBankAccountCollector.collectBankAccountForPayme...	⬇️ -844 B
DYLD.Exports	⬇️ -744 B
🗑 StripeCore.FinancialConnectionsLinkedBank.value witness	⬇️ -740 B
📝 StripePayments.StubbedFinancialConnectionsLinkedBank.value witnes...	⬆️ 740 B

View Treemap

StripePaymentsUISize 1.0 (1)
com.stripe.StripePaymentsUISize

⚠️ Found new unused protocol: InstantDebitsLinkedBank
⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 7.9 kB (-0.13%)
Total download size change: ⬇️ 3.4 kB (-0.18%)

Largest size changes

Item	Install Size Change
StripePayments.STPBankAccountCollector.collectBankAccountForSetup...	⬇️ -1.5 kB
StripeUICore.TextFieldElement.BlikCodeConfiguration.value witness	⬇️ -1.1 kB
StripePayments.STPBankAccountCollector.collectBankAccountForPayme...	⬇️ -844 B
DYLD.Exports	⬇️ -824 B
🗑 StripeCore.FinancialConnectionsLinkedBank.value witness	⬇️ -740 B

View Treemap

StripePaymentSheetSize 1.0 (1)
com.stripe.StripePaymentSheetSize

⚖️ Compare build
⏱️ Analyze build performance

Total install size change: ⬇️ 29.6 kB (-0.29%)
Total download size change: ⬇️ 11.4 kB (-0.33%)

Largest size changes

Item	Install Size Change
📝 StripePaymentSheet.CardSectionElement.init(collectName,defaultVal...	⬆️ 8.2 kB
🗑 StripePaymentSheet.CardSectionElement.init(collectName,defaultVal...	⬇️ -8.0 kB
🗑 StripePaymentSheet.EmbeddedPaymentMethodsView.init(initialSelecti...	⬇️ -7.4 kB
📝 StripePaymentSheet.USBankAccountPaymentMethodElement.init(configu...	⬆️ 4.0 kB
📝 StripePaymentSheet.EmbeddedPaymentMethodsView.init(paymentMethodT...	⬆️ 3.8 kB

View Treemap

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