amount-to-words-multilang/dist/locales/ja.js

Convert numbers to words in multiple languages (EN, TH, FR, JA, DE, ET, ES, FA, ZH)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.jaConverter = void 0;
const ones = ['', '一', '二', '三', '四', '五', '六', '七', '八', '九'];
const onesReading = ['', 'いち', 'に', 'さん', 'よん', 'ご', 'ろく', 'なな', 'はち', 'きゅう'];
const tens = ['', '十', '二十', '三十', '四十', '五十', '六十', '七十', '八十', '九十'];
const tensReading = ['', 'じゅう', 'にじゅう', 'さんじゅう', 'よんじゅう', 'ごじゅう', 'ろくじゅう', 'ななじゅう', 'はちじゅう', 'きゅうじゅう'];
function numberToWordsJA(n) {
    if (n === 0)
        return 'ぜろ';
    if (n < 0) {
        return `マイナス${numberToWordsJA(Math.abs(n))}`;
    }
    if (n >= 1000000000000) {
        throw new Error('数値が大きすぎます（一兆を超えています）');
    }
    let result = '';
    // Handle 億 (hundred millions)
    if (n >= 100000000) {
        const oku = Math.floor(n / 100000000);
        result += convertChunkJA(oku) + 'おく';
        n %= 100000000;
    }
    // Handle 万 (ten thousands)
    if (n >= 10000) {
        const man = Math.floor(n / 10000);
        result += convertChunkJA(man) + 'まん';
        n %= 10000;
    }
    // Handle remaining thousands, hundreds, tens, ones
    if (n > 0) {
        result += convertChunkJA(n);
    }
    return result;
}
function handleThousands(n) {
    if (n < 1000)
        return { result: '', remainder: n };
    const thousands = Math.floor(n / 1000);
    let result = '';
    if (thousands === 1) {
        result = 'せん';
    }
    else if (thousands === 3) {
        result = 'さんぜん'; // Special reading
    }
    else if (thousands === 8) {
        result = 'はっせん'; // Special reading
    }
    else {
        result = onesReading[thousands] + 'せん';
    }
    return { result, remainder: n % 1000 };
}
function handleHundreds(n) {
    if (n < 100)
        return { result: '', remainder: n };
    const hundreds = Math.floor(n / 100);
    let result = '';
    if (hundreds === 1) {
        result = 'ひゃく';
    }
    else if (hundreds === 3) {
        result = 'さんびゃく'; // Special reading
    }
    else if (hundreds === 6) {
        result = 'ろっぴゃく'; // Special reading
    }
    else if (hundreds === 8) {
        result = 'はっぴゃく'; // Special reading
    }
    else {
        result = onesReading[hundreds] + 'ひゃく';
    }
    return { result, remainder: n % 100 };
}
function handleTensAndOnes(n) {
    if (n === 0)
        return '';
    let result = '';
    // Handle tens (10-99)
    if (n >= 10) {
        const tens = Math.floor(n / 10);
        if (tens === 1) {
            result += 'じゅう';
        }
        else {
            result += onesReading[tens] + 'じゅう';
        }
        n %= 10;
    }
    // Handle ones (1-9)
    if (n > 0) {
        result += onesReading[n];
    }
    return result;
}
function convertChunkJA(n) {
    if (n === 0)
        return '';
    let result = '';
    // Handle thousands
    const thousandsResult = handleThousands(n);
    result += thousandsResult.result;
    n = thousandsResult.remainder;
    // Handle hundreds
    const hundredsResult = handleHundreds(n);
    result += hundredsResult.result;
    n = hundredsResult.remainder;
    // Handle tens and ones
    result += handleTensAndOnes(n);
    return result;
}
exports.jaConverter = {
    convert(amount) {
        // Validate input
        if (!isFinite(amount)) {
            throw new Error('金額は有限数である必要があります');
        }
        if (amount < 0) {
            throw new Error('金額は負の値にできません');
        }
        if (amount >= 1000000000000) {
            throw new Error('金額が大きすぎます（一兆円を超えています）');
        }
        // Round to 2 decimal places
        const roundedAmount = Math.round(amount * 100) / 100;
        const [majorStr, minorStr] = roundedAmount.toFixed(2).split('.');
        const major = parseInt(majorStr, 10);
        const minor = parseInt(minorStr, 10);
        let result = '';
        if (major === 0) {
            result = 'ぜろえん';
        }
        else {
            result = numberToWordsJA(major) + 'えん';
        }
        if (minor > 0) {
            result += numberToWordsJA(minor) + 'せん';
        }
        return result;
    }
};