jp-zipcode-lookup/src/update.js

Japan Postal Zip Code Lookup

"use strict";
// update
Object.defineProperty(exports, "__esModule", { value: true });
const cdate_1 = require("cdate");
const fs = require("fs");
const japanpost_zipcode_1 = require("japanpost-zipcode");
const WARN = (message) => console.warn(message);
async function CLI(outDir) {
    const kenAll = await new japanpost_zipcode_1.KenAll({ logger: console });
    await kenAll.clean();
    const modified = await kenAll.modifiedAt();
    console.warn("modified: " + (0, cdate_1.cdate)(modified).utcOffset(9).text("%Y/%m/%d %H:%M"));
    const allRows = await kenAll.readAll();
    const prefMaster = {};
    const cityMaster = {};
    const zip5Master = {};
    const zip7Master = {};
    const lastCity = {};
    const zip5To7 = {};
    const dup = {};
    for (const row of allRows) {
        const city = row[0 /* C.全国地方公共団体コード */];
        const zip7 = row[2 /* C.郵便番号 */];
        const name = row[8 /* C.町域名 */];
        // 重複町域名を除外する
        const dupKey = city + zip7 + name;
        if (dup[dupKey])
            continue;
        dup[dupKey] = true;
        const postal = zip7Master[zip7] || (zip7Master[zip7] = []);
        // 市区町村コード
        if (lastCity[zip7] !== city) {
            postal.push(+city);
            lastCity[zip7] = city;
        }
        // 町域名
        postal.push(name);
        // 先頭５文字
        const zip5 = zip7.substr(0, 5);
        const idx5 = zip5To7[zip5] || (zip5To7[zip5] = {});
        idx5[zip7] = postal;
        // 市区町村名
        if (cityMaster[city])
            continue;
        cityMaster[city] = [row[7 /* C.市区町村名 */], row[4 /* C.市区町村名カナ */]];
        // 都道府県名
        const pref = city.substr(0, 2);
        if (prefMaster[pref])
            continue;
        prefMaster[pref] = [row[6 /* C.都道府県名 */], row[3 /* C.都道府県名カナ */]];
    }
    // 正規化
    for (const zip5 in zip5To7) {
        const idx5 = zip5To7[zip5];
        const zip7list = Object.keys(idx5);
        if (zip7list.length === 1)
            continue;
        const rows = zip7list.map(v => idx5[v]);
        const city = rows[0][0];
        const name = rows[0][1];
        // すべて同じ市区町村名
        const sameCity = rows.every(row => row[0] === city);
        if (!sameCity)
            continue;
        rows.forEach(item => item.shift());
        const row = zip5Master[zip5] = [city];
        // すべて同じ町域名
        const sameName = rows.every(row => row[0] === name);
        if (!sameName)
            continue;
        rows.forEach(item => item.shift());
        row.push(name);
        // 空になった要素を削除する
        zip7list.forEach(zip7 => {
            if (zip7Master[zip7].length === 0)
                delete zip7Master[zip7];
        });
    }
    // pref.json
    {
        let json = JSON.stringify({ pref: prefMaster });
        json = json.replace(/("\d{2}":)/g, "\n$1");
        write("pref.json", json);
    }
    // city.json
    {
        let json = JSON.stringify({ city: cityMaster });
        json = json.replace(/("\d{5}":)/g, "\n$1");
        write("city.json", json);
    }
    // zip5.json
    {
        let json = JSON.stringify({ zip5: compact(zip5Master) });
        json = json.replace(/("\d{5,7}":)/g, "\n$1");
        write("zip5.json", json);
    }
    // zip7.json
    {
        let json = JSON.stringify({ zip7: compact(zip7Master) });
        json = json.replace(/("\d{5,7}":)/g, "\n$1");
        write("zip7.json", json);
    }
    function write(file, json) {
        if (outDir) {
            file = outDir.replace(/\/?$/, "/" + file);
            WARN("writing: " + file);
            fs.createWriteStream(file).write(json);
        }
        else {
            process.stdout.write(json);
        }
    }
    function compact(master) {
        const flex = {};
        Object.keys(master).sort().forEach(key => {
            const row = master[key];
            flex[key] = (row.length === 1) ? row[0] : row;
        });
        return flex;
    }
}
CLI.apply(null, process.argv.slice(2));