sg-areas/dist/index.js

Find regions, areas and subzones in Singapore

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getNearest = exports.getSubzones = exports.getAreas = exports.administrativeLocations = void 0;
const geolib_1 = require("geolib");
const data = __importStar(require("./data"));
const interfaces_1 = require("./interfaces");
exports.administrativeLocations = { Region: interfaces_1.Region, Area: interfaces_1.Area, Subzone: interfaces_1.Subzone };
const getAreas = (regions) => {
    if (regions && regions.length > 0) {
        return Object.keys(data.areas.default)
            .filter((id) => regions.includes(data.areas.default[id].region))
            .reduce((obj, id) => {
            obj[id] = data.areas.default[id];
            return obj;
        }, {});
    }
    return data.areas.default;
};
exports.getAreas = getAreas;
const getSubzones = (areas) => {
    if (areas && areas.length > 0) {
        return Object.keys(data.subzones.default)
            .filter((id) => areas.includes(data.subzones.default[id].area))
            .reduce((obj, id) => {
            obj[id] = data.subzones.default[id];
            return obj;
        }, {});
    }
    return data.subzones.default;
};
exports.getSubzones = getSubzones;
const getNearest = (origin, options = { closest: 1 }) => {
    if (options.closest <= 0)
        return { areas: {}, subzones: {} };
    const areas = data.areas.default;
    const subzones = data.subzones.default;
    const areaResults = {};
    const subzoneResults = {};
    const temp = [];
    const appendDistance = (locations) => {
        Object.keys(locations).forEach((id) => {
            const loc = locations[id];
            if (loc.coordinates) {
                const distance = geolib_1.getDistance(origin, loc.coordinates, 1);
                temp.push(Object.assign(Object.assign({ id }, loc), { distance }));
            }
        });
    };
    const sortSliceFormat = (locationResults) => {
        return temp
            .sort((a, b) => {
            return a.distance < b.distance ? -1 : 1;
        })
            .slice(0, options.closest)
            .forEach((obj) => {
            const id = obj.id;
            delete obj.id;
            locationResults[id] = obj;
        });
    };
    appendDistance(areas);
    sortSliceFormat(areaResults);
    appendDistance(subzones);
    sortSliceFormat(subzoneResults);
    return {
        areas: areaResults,
        subzones: subzoneResults,
    };
};
exports.getNearest = getNearest;
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