romaji-to-kana-ng/bundles/romaji-to-kana-ng.umd.js

Angular module providing a pipe for converting romaji to kana

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
    typeof define === 'function' && define.amd ? define('romaji-to-kana-ng', ['exports', '@angular/core'], factory) :
    (global = global || self, factory(global['romaji-to-kana-ng'] = {}, global.ng.core));
}(this, (function (exports, core) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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    var kanaMap = {
        // standard hiragana
        'nn': 'ん', 'wa': 'わ', 'ra': 'ら', 'ya': 'や', 'ma': 'ま', 'ba': 'ば', 'ha': 'は', 'na': 'な', 'da': 'だ', 'ta': 'た', 'za': 'ざ', 'sa': 'さ', 'ga': 'が', 'ka': 'か', 'a': 'あ',
        'ri': 'り', 'mi': 'み', 'bi': 'び', 'hi': 'ひ', 'ni': 'に', 'di': 'ぢ', 'chi': 'ち', 'ji': 'じ', 'shi': 'し', 'gi': 'ぎ', 'ki': 'き', 'i': 'い',
        'ru': 'る', 'yu': 'ゆ', 'mu': 'む', 'bu': 'ぶ', 'fu': 'ふ', 'nu': 'ぬ', 'du': 'づ', 'tsu': 'つ', 'zu': 'ず', 'su': 'す', 'gu': 'ぐ', 'ku': 'く', 'u': 'う',
        're': 'れ', 'me': 'め', 'be': 'べ', 'he': 'へ', 'ne': 'ね', 'de': 'で', 'te': 'て', 'ze': 'ぜ', 'se': 'せ', 'ge': 'げ', 'ke': 'け', 'e': 'え',
        'wo': 'を', 'ro': 'ろ', 'yo': 'よ', 'mo': 'も', 'bo': 'ぼ', 'ho': 'ほ', 'no': 'の', 'do': 'ど', 'to': 'と', 'zo': 'ぞ', 'so': 'そ', 'go': 'ご', 'ko': 'こ', 'o': 'お',
        // little ya, yu, and yo
        'kya': 'きゃ', 'kyu': 'きゅ', 'kyo': 'きょ',
        'gya': 'ぎゃ', 'gyu': 'ぎゅ', 'gyo': 'ぎょ',
        'sya': 'しゃ', 'syu': 'しゅ', 'syo': 'しょ',
        'jya': 'じゃ', 'jyu': 'じゅ', 'jyo': 'じょ',
        'cya': 'ちゃ', 'cyu': 'ちゅ', 'cyo': 'ちょ',
        'nya': 'にゃ', 'nyu': 'にゅ', 'nyo': 'にょ',
        'hya': 'ひゃ', 'hyu': 'ひゅ', 'hyo': 'ひょ',
        'bya': 'びゃ', 'byu': 'びゅ', 'byo': 'びょ',
        'mya': 'みゃ', 'myu': 'みゅ', 'myo': 'みょ',
        'pya': 'ぴゃ', 'pyu': 'ぴゅ', 'pyo': 'ぴょ',
        'rya': 'りゃ', 'ryu': 'りゅ', 'ryo': 'りょ',
        // standard katakana
        'NN': 'ン', 'WA': 'ワ', 'RA': 'ラ', 'YA': 'ヤ', 'MA': 'マ', 'BA': 'バ', 'HA': 'ハ', 'NA': 'ナ', 'DA': 'ダ', 'TA': 'タ', 'ZA': 'ザ', 'SA': 'サ', 'GA': 'ガ', 'KA': 'カ', 'A': 'ア',
        'RI': 'リ', 'MI': 'ミ', 'BI': 'ビ', 'HI': 'ヒ', 'NI': 'ニ', 'DI': 'ヂ', 'CHI': 'チ', 'JI': 'ジ', 'SHI': 'シ', 'GI': 'ギ', 'KI': 'キ', 'I': 'イ',
        'RU': 'ル', 'YU': 'ユ', 'MU': 'ム', 'BU': 'ブ', 'FU': 'フ', 'NU': 'ヌ', 'DU': 'ヅ', 'TSU': 'ツ', 'ZU': 'ズ', 'SU': 'ス', 'GU': 'グ', 'KU': 'ク', 'U': 'ウ',
        'RE': 'レ', 'ME': 'メ', 'BE': 'ベ', 'HE': 'ヘ', 'NE': 'ネ', 'DE': 'デ', 'TE': 'テ', 'ZE': 'ゼ', 'SE': 'セ', 'GE': 'ゲ', 'KE': 'ケ', 'E': 'エ',
        'WO': 'ヲ', 'RO': 'ロ', 'YO': 'ヨ', 'MO': 'モ', 'BO': 'ボ', 'HO': 'ホ', 'NO': 'ノ', 'DO': 'ド', 'TO': 'ト', 'ZO': 'ゾ', 'SO': 'ソ', 'GO': 'ゴ', 'KO': 'コ', 'O': 'オ',
        // little ya yu and yo katakana
        'KYA': 'キャ', 'KYU': 'キュ', 'KYO': 'キョ',
        'GYA': 'ギャ', 'GYU': 'ギュ', 'GYO': 'ギョ',
        'SYA': 'シャ', 'SYU': 'シュ', 'SYO': 'ショ',
        'JYA': 'ジャ', 'JYU': 'ジュ', 'JYO': 'ジョ',
        'CYA': 'チャ', 'CYU': 'チュ', 'CYO': 'チョ',
        'NYA': 'ニャ', 'NYU': 'ニュ', 'NYO': 'ニョ',
        'HYA': 'ヒャ', 'HYU': 'ヒュ', 'HYO': 'ヒョ',
        'BYA': 'ビャ', 'BYU': 'ビュ', 'BYO': 'ビョ',
        'MYA': 'ミャ', 'MYU': 'ミュ', 'MYO': 'ミョ',
        'PYA': 'ピャ', 'PYU': 'ピュ', 'PYO': 'ピョ',
        'RYA': 'リャ', 'RYU': 'リュ', 'RYO': 'リョ',
        // others
        '-': 'ー' // long vowel
    };
    var katakanaRegExp = /[\u30a0-\u30ff]/g; // matches only katakana characters
    var specialCharAndKanaRegExp = /[!@#$%^&*(),.?":{}|<>\ _\u3040-\u30ff]/g; // matches kana and special characters
    var RomajiToKanaPipe = /** @class */ (function () {
        function RomajiToKanaPipe() {
        }
        RomajiToKanaPipe.prototype.transform = function (value) {
            var _a;
            var args = [];
            for (var _i = 1; _i < arguments.length; _i++) {
                args[_i - 1] = arguments[_i];
            }
            if (!value)
                return;
            var acc = '';
            var valueArr = value.split('');
            var result = '';
            while (valueArr.length) {
                acc += valueArr.shift();
                // if the acc contains a kana character or a special character reset acc and continue
                if (acc.match(specialCharAndKanaRegExp)) {
                    result += acc;
                    acc = '';
                    continue;
                }
                // check if there is mixed casing
                if (acc.match(/[a-z]/g) && acc.match(/[A-Z]/g)) {
                    result += acc[0];
                    acc = acc.slice(1);
                }
                var mappedValue = kanaMap[acc];
                if (!!mappedValue) {
                    result += mappedValue;
                    acc = '';
                }
                else if (acc.length == 3) {
                    // logic for a double consonant
                    // check if the top is equal to the next char
                    if (acc[0] == acc[1]) {
                        var mappedTail = kanaMap[acc.slice(1)];
                        if (!!mappedTail) {
                            result += this.makeDoubleConsonant(mappedTail);
                            acc = '';
                            continue;
                        }
                        else {
                            // peek at the next character
                            var nextChar = valueArr.slice(0, 1); // using a slice since we don't know if there actually is another character
                            var fourCharMatch = kanaMap[(_a = acc.slice(1)).concat.apply(_a, __spread(nextChar))];
                            // we found something like jjya or ggya
                            if (!!fourCharMatch) {
                                result += this.makeDoubleConsonant(fourCharMatch);
                                acc = '';
                                valueArr.shift(); // remove the character we peeked at
                                continue;
                            }
                        }
                    }
                    // attempt one last match before giving up on these 3
                    var match = kanaMap[acc.slice(1)];
                    // this will occur if we have something like kga
                    result += acc[0];
                    if (!!match) {
                        result += match;
                        acc = '';
                        continue;
                    }
                    else {
                        // remove the first character and allow this set to go through another pass
                        // we might have a 3 character match like gya coming up
                        acc = acc.slice(1);
                        continue;
                    }
                }
            }
            // add any leftovers to the result and return it
            return result + acc;
        };
        RomajiToKanaPipe.prototype.makeDoubleConsonant = function (kana) {
            // choose which little tsu to use based on if it is katakana
            return kana.match(katakanaRegExp) ? "\u30C3" + kana : "\u3063" + kana;
        };
        return RomajiToKanaPipe;
    }());
    RomajiToKanaPipe.decorators = [
        { type: core.Pipe, args: [{
                    name: 'romajiToKana'
                },] }
    ];

    var KanaPipeNgModule = /** @class */ (function () {
        function KanaPipeNgModule() {
        }
        return KanaPipeNgModule;
    }());
    KanaPipeNgModule.decorators = [
        { type: core.NgModule, args: [{
                    declarations: [RomajiToKanaPipe],
                    imports: [],
                    exports: [RomajiToKanaPipe]
                },] }
    ];

    /*
     * Public API Surface of romaji-to-kana
     */

    /**
     * Generated bundle index. Do not edit.
     */

    exports.KanaPipeNgModule = KanaPipeNgModule;
    exports.RomajiToKanaPipe = RomajiToKanaPipe;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
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