The type read-only property of the GPUCompilationMessage interface is an enumerated value representing the type of the message. Each type represents a different severity level.

A enumerated value. Possible values are:

"error"

A shader-creation error, which stops successful compilation.

"info"

A purely informative message, which is low severity.

"warning"

A warning about an issue that will not stop successful compilation, but merits attention by the developer. An example is usage of deprecated functions or syntax.

  // ...
  const shaderModule = device.createShaderModule({
    code: shaders,
  });

  const shaderInfo = await shaderModule.getCompilationInfo();
  const firstMessage = shaderInfo.messages[0];
  console.log(firstMessage.type);
  // ...
}

See the main GPUCompilationInfo page for a more detailed example.

• The WebGPU API