Supabase Edge Functions are serverless functions that allow developers to execute code in response to HTTP requests or database changes. They are built on top of Deno, a secure runtime for JavaScript and TypeScript, and are designed to enhance the functionality of your Supabase projects by enabling custom logic and integrations.
When working with Supabase Edge Functions, you might encounter the error code EF026: Invalid Parameter Type. This error typically manifests when a function is called with parameters that do not match the expected types, leading to unexpected behavior or failure in execution.
The error code EF026 signifies that a parameter passed to a Supabase Edge Function is of an incorrect type. This can occur due to various reasons, such as incorrect data being sent from the client side, or a mismatch in expected data types between the function definition and the actual input.
To resolve the EF026 error, follow these steps to ensure that parameter types are correctly validated and matched:
Start by reviewing the function definition to understand the expected parameter types. Ensure that the function signature clearly specifies the types for each parameter. For example:
export default async function myFunction(param1: string, param2: number) {
// Function logic
}
On the client side, validate the data being sent to the function. Ensure that the data types match the expected types in the function definition. You can use TypeScript or JavaScript type-checking libraries to enforce this validation.
If the function signature has changed, make sure to update all instances where the function is called. This includes updating any API calls or client-side logic to match the new parameter types.
After making the necessary changes, test the function to ensure it executes correctly without any type errors. Use logging or debugging tools to verify that the parameters are being passed correctly.
For more information on Supabase Edge Functions and handling parameter types, consider visiting the following resources:
By following these steps and utilizing the resources provided, you can effectively resolve the EF026 error and ensure your Supabase Edge Functions operate smoothly.
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