postgrejs/esm/data-types/uuid-type.js

Professional PostgreSQL client NodeJS

import { DataTypeOIDs } from '../constants.js';
const GUID_PATTERN = /^[0-9a-fA-F]{8}-?[0-9a-fA-F]{4}-?[0-9a-fA-F]{4}-?[0-9a-fA-F]{4}-?[0-9a-fA-F]{12}$/;
export const UuidType = {
    name: 'uuid',
    oid: DataTypeOIDs.uuid,
    jsType: 'String',
    parseBinary(v) {
        return (v.toString('hex', 0, 4) +
            '-' +
            v.toString('hex', 4, 6) +
            '-' +
            v.toString('hex', 6, 8) +
            '-' +
            v.toString('hex', 8, 10) +
            '-' +
            v.toString('hex', 10, 16));
    },
    encodeBinary(buf, v) {
        if (!GUID_PATTERN.test(v))
            throw new Error(`"${v}" is not a valid guid value`);
        const b = Buffer.from(v.replace(/-/g, ''), 'hex');
        buf.writeBuffer(b);
    },
    parseText(v) {
        return v;
    },
    isType(v) {
        return typeof v === 'string' && GUID_PATTERN.test(v);
    },
};
export const ArrayUuidType = {
    ...UuidType,
    name: '_uuid',
    oid: DataTypeOIDs._uuid,
    elementsOID: DataTypeOIDs.uuid,
};