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fix: Add TypeScript type definitions for Sequelize DataTypes (VECTOR, HALFVEC, SPARSEVEC) #31

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fix: Add TypeScript type definitions for Sequelize DataTypes (VECTOR, HALFVEC, SPARSEVEC) #31

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35 changes: 35 additions & 0 deletions types/sequelize/index.d.ts
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Original file line number Diff line number Diff line change
@@ -1,3 +1,38 @@
import type { DataType } from 'sequelize';

// VECTOR data type constructor
export interface VectorDataTypeConstructor {
new (dimensions?: number): DataType;
(dimensions?: number): DataType;
}

// HALFVEC data type constructor
export interface HalfvecDataTypeConstructor {
new (dimensions?: number): DataType;
(dimensions?: number): DataType;
}

// SPARSEVEC data type constructor
export interface SparsevecDataTypeConstructor {
new (dimensions?: number): DataType;
(dimensions?: number): DataType;
}

// Module augmentation to extend Sequelize DataTypes
declare module 'sequelize' {
namespace DataTypes {
const VECTOR: VectorDataTypeConstructor;
const HALFVEC: HalfvecDataTypeConstructor;
const SPARSEVEC: SparsevecDataTypeConstructor;

namespace postgres {
const VECTOR: VectorDataTypeConstructor;
const HALFVEC: HalfvecDataTypeConstructor;
const SPARSEVEC: SparsevecDataTypeConstructor;
}
}
}

export function registerType(Sequelize: any): void;
export function registerTypes(Sequelize: any): void;
export function l2Distance(column: any, value: any, sequelize: any): any;
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