feat: add copilot instructions and remove functions from types file

Co-authored-by: streamich <[email protected]>

Author: Copilot

.github/copilot-instructions.md

@@ -0,0 +1,4 @@
+- Do not add trivial comments, usually do not add blank lines inside functions.
+- Use Angular style commits, e.g `feat: implemented xyz`.
+- Make sure tests (`yarn test`) pass.
+- In the end, make sure linter and formatter pass.

src/avro/types.ts

@@ -192,77 +192,4 @@ export interface AvroLocalTimestampMicrosLogicalType extends AvroLongSchema {
 export interface AvroDurationLogicalType extends AvroFixedSchema {
   logicalType: 'duration';
   size: 12;
-}
-
-// Type guard functions for schema type checking
-export function isAvroNullSchema(schema: AvroSchema): schema is AvroNullSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'null';
-}
-
-export function isAvroBooleanSchema(schema: AvroSchema): schema is AvroBooleanSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'boolean';
-}
-
-export function isAvroIntSchema(schema: AvroSchema): schema is AvroIntSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'int';
-}
-
-export function isAvroLongSchema(schema: AvroSchema): schema is AvroLongSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'long';
-}
-
-export function isAvroFloatSchema(schema: AvroSchema): schema is AvroFloatSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'float';
-}
-
-export function isAvroDoubleSchema(schema: AvroSchema): schema is AvroDoubleSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'double';
-}
-
-export function isAvroBytesSchema(schema: AvroSchema): schema is AvroBytesSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'bytes';
-}
-
-export function isAvroStringSchema(schema: AvroSchema): schema is AvroStringSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'string';
-}
-
-export function isAvroRecordSchema(schema: AvroSchema): schema is AvroRecordSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'record';
-}
-
-export function isAvroEnumSchema(schema: AvroSchema): schema is AvroEnumSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'enum';
-}
-
-export function isAvroArraySchema(schema: AvroSchema): schema is AvroArraySchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'array';
-}
-
-export function isAvroMapSchema(schema: AvroSchema): schema is AvroMapSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'map';
-}
-
-export function isAvroUnionSchema(schema: AvroSchema): schema is AvroUnionSchema {
-  return Array.isArray(schema);
-}
-
-export function isAvroFixedSchema(schema: AvroSchema): schema is AvroFixedSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && schema.type === 'fixed';
-}
-
-export function isAvroPrimitiveSchema(schema: AvroSchema): schema is AvroPrimitiveSchema {
-  if (typeof schema === 'string') return true;
-  if (typeof schema !== 'object' || Array.isArray(schema)) return false;
-  return ['null', 'boolean', 'int', 'long', 'float', 'double', 'bytes', 'string'].includes(schema.type);
-}
-
-export function isAvroComplexSchema(schema: AvroSchema): schema is AvroComplexSchema {
-  if (Array.isArray(schema)) return true;
-  if (typeof schema !== 'object') return false;
-  return ['record', 'enum', 'array', 'map', 'fixed'].includes(schema.type);
-}
-
-export function isAvroNamedSchema(schema: AvroSchema): schema is AvroNamedSchema {
-  return typeof schema === 'object' && !Array.isArray(schema) && ['record', 'enum', 'fixed'].includes(schema.type);
 }