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feat: add support for schema keywords #2162

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feat: add support for schema keywords #2162

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@cowboy-bebug cowboy-bebug commented Nov 19, 2025 •
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Hi there 👋

I use the tool extensively at work and thought it'd be really great to generate some consts based on the JSON schema keywords.

This PR adds features to handle the keywords such as minimum, maximum, etc.:

paths:
  /users:
    get:
      operationId: listUsers
      summary: List users with pagination and filtering
      description: Demonstrates inline parameter constraints generating constants
      parameters:
        - in: query
          name: limit
          description: Maximum number of items to return
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 20

components:
  schemas:
    Username:
      type: string
      minLength: 3
      maxLength: 20
      default: "guest"

as constants:

// Constraint constants for ListUsersLimit.
const (
	ListUsersLimitMinimum int = 1
	ListUsersLimitMaximum int = 100
	ListUsersLimitDefault int = 20
)

// Constraint constants for Username.
const (
	UsernameDefault   string = "guest"
	UsernameMinLength uint64 = 3
	UsernameMaxLength uint64 = 20
)

I didn't find any relevant / related issues. Let me know if this is something valuable to you guys as well 🙏

@cowboy-bebug cowboy-bebug requested a review from a team as a code owner November 19, 2025 07:17
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