@sqb/connect/orm/util/serialize-field.js

Multi-dialect database connection framework written with TypeScript

import { DataType } from '@sqb/builder';
import { isColumnField } from './orm.helper.js';
export function serializeColumn(col, v) {
    if (isColumnField(col)) {
        if (col.isArray) {
            if (Array.isArray(v))
                return v.map(x => serializeDataValue(col.dataType || DataType.VARCHAR, x));
            return [serializeDataValue(col.dataType || DataType.VARCHAR, v)];
        }
        return serializeDataValue(col.dataType || DataType.VARCHAR, v);
    }
    if (typeof v === 'object' && typeof v.toJSON === 'function')
        return v.toJSON();
    return v;
}
const padZero = (n) => (n < 9 ? '0' : '') + n;
function serializeDataValue(dataType, v) {
    if (v == null)
        return;
    if (v instanceof Date &&
        (dataType === DataType.DATE || dataType === DataType.TIMESTAMP)) {
        return (v.getFullYear() +
            '-' +
            padZero(v.getMonth() + 1) +
            '-' +
            padZero(v.getDate()) +
            (dataType === DataType.TIMESTAMP
                ? 'T' +
                    padZero(v.getHours()) +
                    ':' +
                    padZero(v.getMinutes()) +
                    ':' +
                    padZero(v.getSeconds())
                : ''));
    }
    if (v instanceof Buffer)
        return v.toString('base64');
    if (typeof v === 'number' &&
        (dataType === DataType.SMALLINT || dataType === DataType.INTEGER))
        return Math.trunc(v);
    if (typeof v === 'bigint')
        return v.toString();
    if (v && typeof v === 'object' && typeof v.toJSON === 'function')
        return v.toJSON();
    return v;
}