Supabase Edge Functions are serverless functions that allow developers to execute backend code in response to events or HTTP requests. They are designed to be fast, scalable, and easy to deploy, making them an ideal choice for modern web applications. These functions are built on top of Deno, a secure runtime for JavaScript and TypeScript.
When working with Supabase Edge Functions, you might encounter the error code EF016: Missing Function Entry Point. This error typically manifests when you attempt to deploy or execute a function, and the system cannot locate the entry point for the function.
The EF016 error occurs when the entry point for a function is not defined or is incorrectly specified. The entry point is a critical part of the function's configuration, as it tells the runtime where to start executing the code. Without a correctly defined entry point, the function cannot be executed.
package.json file.To resolve the EF016 error, follow these steps to ensure the entry point is correctly defined:
package.json ConfigurationOpen your project's package.json file and locate the main field. This field should specify the entry point file for your function. For example:
{
"name": "my-function",
"version": "1.0.0",
"main": "index.ts"
}
Ensure that the file specified in the main field exists in your project directory.
Navigate to the file specified as the entry point (e.g., index.ts) and ensure it contains the correct function export. For example, if your function is named handler, the file should export it like this:
export default async function handler(req, res) {
// Your function logic here
}
Double-check the spelling and case sensitivity of the entry point file and function name. Ensure they match exactly with what is specified in your configuration.
For more information on configuring Supabase Edge Functions, refer to the official Supabase documentation. If you continue to encounter issues, consider reaching out to the Supabase community for support.
By following these steps, you should be able to resolve the EF016 error and successfully deploy your Supabase Edge Functions.
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(Perfect for DevOps & SREs)
