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

Professional PostgreSQL client NodeJS

import { DataTypeOIDs } from '../constants.js';
const POINT_PATTERN1 = /^\( *(-?\d+\.?\d*) *, *(-?\d+\.?\d*) *\)$/;
const POINT_PATTERN2 = /^(-?\d+\.?\d*) *, *(-?\d+\.?\d*)$/;
export const PointType = {
    name: 'point',
    oid: DataTypeOIDs.point,
    jsType: 'object',
    parseBinary(v) {
        return {
            x: v.readDoubleBE(0),
            y: v.readDoubleBE(8),
        };
    },
    encodeBinary(buf, v) {
        buf.writeDoubleBE(v.x);
        buf.writeDoubleBE(v.y);
    },
    parseText(v) {
        const m = v.match(POINT_PATTERN1) || v.match(POINT_PATTERN2);
        if (!m)
            return undefined;
        return {
            x: parseFloat(m[1]),
            y: parseFloat(m[2]),
        };
    },
    isType(v) {
        return (typeof v === 'object' &&
            Object.keys(v).length === 2 &&
            typeof v.x === 'number' &&
            typeof v.y === 'number');
    },
};
export const ArrayPointType = {
    ...PointType,
    name: '_point',
    oid: DataTypeOIDs._point,
    elementsOID: DataTypeOIDs.point,
};