@graphile/postgis/dist/Postgis_Point_LatitudeLongitudePlugin.js

PostGIS support for PostGraphile

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const constants_1 = require("./constants");
const plugin = builder => {
    builder.hook("GraphQLObjectType:fields", (fields, build, context) => {
        const { scope: { isPgGISType, pgGISType, pgGISTypeDetails }, } = context;
        if (!isPgGISType ||
            !pgGISTypeDetails ||
            pgGISTypeDetails.subtype !== constants_1.GIS_SUBTYPE.Point) {
            return fields;
        }
        const { extend, graphql: { GraphQLNonNull, GraphQLFloat }, inflection, } = build;
        const xFieldName = inflection.gisXFieldName(pgGISType);
        const yFieldName = inflection.gisYFieldName(pgGISType);
        const zFieldName = inflection.gisZFieldName(pgGISType);
        return extend(fields, Object.assign({ [xFieldName]: {
                type: new GraphQLNonNull(GraphQLFloat),
                resolve(data) {
                    return data.__geojson.coordinates[0];
                },
            }, [yFieldName]: {
                type: new GraphQLNonNull(GraphQLFloat),
                resolve(data) {
                    return data.__geojson.coordinates[1];
                },
            } }, (pgGISTypeDetails.hasZ
            ? {
                [zFieldName]: {
                    type: new GraphQLNonNull(GraphQLFloat),
                    resolve(data) {
                        return data.__geojson.coordinates[2];
                    },
                },
            }
            : {})));
    });
};
exports.default = plugin;
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