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

Professional PostgreSQL client NodeJS

import { DataTypeOIDs } from '../constants.js';
export const JsonType = {
    name: 'json',
    oid: DataTypeOIDs.json,
    jsType: 'string',
    parseBinary(v, options) {
        const content = v.toString('utf8');
        const fetchAsString = options.fetchAsString &&
            options.fetchAsString.includes(DataTypeOIDs.jsonb);
        if (fetchAsString)
            return content;
        return content ? JSON.parse(content) : undefined;
    },
    encodeText(v) {
        if (typeof v === 'object' || typeof v === 'bigint')
            return JSON.stringify(v);
        if (typeof v === 'boolean')
            return v ? 'true' : 'false';
        return '' + v;
    },
    parseText(v, options) {
        const fetchAsString = options.fetchAsString &&
            options.fetchAsString.includes(DataTypeOIDs.jsonb);
        if (fetchAsString)
            return v;
        return v ? JSON.parse(v) : null;
    },
    isType(v) {
        return v && typeof v === 'object';
    },
};
export const ArrayJsonType = {
    ...JsonType,
    name: '_json',
    oid: DataTypeOIDs._json,
    elementsOID: DataTypeOIDs.json,
};