[ENHANCEMENT] Enhanced Types, Improved OAuth2 Configuration and Bug Fixes

[Dan6erbond]

Overview

Use generic types to create OAuth2 providers and improve typing of profile() callback and internal methods.

Types

• Add generics to OAuth2BaseProvider for ProfileType and TokenType.
• Add Google, Facebook and Reddit types generated with Quicktype.
• Make Facebook types generic due to usage of Graph API and use keyof FacebookProfile in fields param.

OAuth2 Provider Config

• Use generics for OAuth2 config profile() callback; profile and tokens types.
• Add contentType config value to OAuth2 provider config for token request.

Bug Fixes

• Fix URL and path checking in main Auth class and split getPath() and getUrl() methods.
• Dynamically build RegExp() for path-checking with varying basePaths.

Added Helpers

• Added ucFirst() helper to uppercase first letter of a string.