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import { inherits } from 'node:util';

import { Sequelize, DataTypes, Utils } from 'sequelize';

import { vectorType, vectorToSql, vectorFromSql } from '../utils.js';

// @ts-ignore

const PgTypes = DataTypes.postgres;

const ABSTRACT = DataTypes.ABSTRACT.prototype.constructor;

class VECTOR extends ABSTRACT {

/**

* @param {number} [dimensions]

constructor(dimensions) {

super();

this._dimensions = dimensions;

}

toSql() {

return vectorType(this._dimensions).toUpperCase();

}

/**

* @param {?number[]} value

_stringify(value) {

return vectorToSql(value);

}

/**

* @param {?string} value

static parse(value) {

return vectorFromSql(value);

}

VECTOR.prototype.key = VECTOR.key = 'vector';

// @ts-ignore

DataTypes.VECTOR = Utils.classToInvokable(VECTOR);

// @ts-ignore

DataTypes.VECTOR.types.postgres = ['vector'];

PgTypes.VECTOR = function VECTOR() {

if (!(this instanceof PgTypes.VECTOR)) {

return new PgTypes.VECTOR();

}

// @ts-ignore

DataTypes.VECTOR.apply(this, arguments);

};

inherits(PgTypes.VECTOR, DataTypes.VECTOR);

// @ts-ignore

PgTypes.VECTOR.parse = DataTypes.VECTOR.parse;

PgTypes.VECTOR.types = {postgres: ['vector']};

PgTypes.VECTOR.key = 'vector';

// for migrations

// @ts-ignore

Sequelize.VECTOR ??= DataTypes.VECTOR;

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