build_dist.js

const colors = require('colors/safe');
const fs = require('fs');
const dissolved = require('./dist/dissolved.json');
const namesKeep = require('./dist/names_keep.json');
const packageJSON = require('./package.json');
const shell = require('shelljs');
const stringify = require('json-stringify-pretty-compact');
const xmlbuilder = require('xmlbuilder');

const fileTree = require('./lib/file_tree.js');
const toParts = require('./lib/to_parts.js');

let brands = fileTree.read('brands');
let out = {};

buildAll();


function buildAll() {
    console.log('building data');
    console.time(colors.green('data built'));

    // Start clean
    shell.rm('-f', ['dist/name-suggestions.*', 'dist/taginfo.json']);

    // copy some project config files into `/dist`
    shell.cp('-f', 'config/filters.json', 'dist/filters.json');
    shell.cp('-f', 'config/match_groups.json', 'dist/match_groups.json');

    // write `brands.json` as a single file
    fs.writeFileSync('dist/brands.json', stringify({ brands: brands }));

    buildJSON();
    buildXML();
    buildTaginfo();

    console.timeEnd(colors.green('data built'));
}


function buildJSON() {
    Object.keys(brands).forEach(kvnd => {
        const obj = brands[kvnd];

        const wd = obj.tags['brand:wikidata'];
        if (!wd || !/^Q\d+$/.test(wd)) return;   // wikidata tag missing or looks wrong..

        if (dissolved[kvnd]) {
            return; // brand does not exist anymore, so it should not be in the index
        }

        const parts = toParts(kvnd);
        const k = parts.k;
        const v = parts.v;
        const n = parts.n + (parts.d !== undefined ? ' ' + parts.d : "");

        if (!out[k])    out[k] = {};
        if (!out[k][v]) out[k][v] = {};
        out[k][v][n] = {};

        if (namesKeep[kvnd]) {
            out[k][v][n].count = namesKeep[kvnd];
        }

        if (obj.countryCodes) {
            out[k][v][n].countryCodes = obj.countryCodes;
        }

        out[k][v][n].tags = obj.tags;
    });

    // Save individual data files
    fs.writeFileSync('dist/name-suggestions.json', stringify(out));
    fs.writeFileSync('dist/name-suggestions.min.json', JSON.stringify(out));
}


function buildXML() {
    let presets = xmlbuilder
        .create('presets', { version: '1.0', encoding: 'UTF-8' })
        .att('xmlns', 'http://josm.openstreetmap.de/tagging-preset-1.0')
        .att('author', 'Name Suggestion Index')
        .att('shortdescription', 'Name Suggestion Index')
        .att('description', packageJSON.description)
        .att('link', 'https://github.com/' + packageJSON.repository)
        .att('version', packageJSON.version);

    let topgroup = presets
        .ele('group')
        .att('name', 'Name Suggestion Index');

    // Create JOSM presets using the key and value structure from the json
    // to organize the presets into JOSM preset groups.
    for (let key in out) {
        let keygroup = topgroup.ele('group').att('name', key);

        for (let value in out[key]) {
            let valuegroup = keygroup.ele('group').att('name', value);

            for (let name in out[key][value]) {
                let item = valuegroup
                    .ele('item')
                    .att('name', name)
                    .att('type', 'node,closedway,multipolygon');

                let tags = out[key][value][name].tags;
                for (let k in tags) {
                    item.ele('key').att('key', k).att('value', tags[k]);
                }
            }
        }
    }

    let xmlstring = presets.end({ pretty: true });
    fs.writeFileSync('dist/name-suggestions.presets.xml', xmlstring);
}


function buildTaginfo() {
    var taginfo = {
        'data_format': 1,
        'data_url': 'https://raw.githubusercontent.com/osmlab/name-suggestion-index/master/dist/taginfo.json',
        'project': {
            'name': 'name-suggestion-index',
            'description': 'Canonical common brand names for OpenStreetMap',
            'project_url': 'https://github.com/osmlab/name-suggestion-index',
            'doc_url': 'https://github.com/osmlab/name-suggestion-index/blob/master/README.md',
            'icon_url': 'https://raw.githubusercontent.com/mapbox/maki/master/icons/fast-food-15.svg?sanitize=true',
            'contact_name': 'Bryan Housel',
            'contact_email': 'bryan@mapbox.com'
        }
    };

    let items = {};
    for (let key in out) {
        for (let value in out[key]) {
            for (let name in out[key][value]) {
                let tags = out[key][value][name].tags;
                for (let k in tags) {
                    let v = tags[k];

                    // skip value for most tags this project uses
                    if (/name|brand|operator/.test(k)) {
                        v = '*';
                    }

                    let id = k + '/' + v;
                    items[id] = { key: k };

                    if (v !== '*') {
                        items[id].value = v;
                    }
               }
            }
        }
    }

    taginfo.tags = Object.keys(items).sort().map(k => items[k]);
    fs.writeFileSync('dist/taginfo.json', stringify(taginfo, { maxLength: 100 }));
}