wcwidth.js from tanasinn test

result.txt

> node wcwidth_test_tanasinn.js
test: 8097ms

wcwidth_test_tanasinn.js

/*
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is tanasinn
 *
 * The Initial Developer of the Original Code is * Hayaki Saito.
 * Portions created by the Initial Developer are Copyright (C) 2010 - 2011
 * the Initial Developer. All Rights Reserved.
 *
 * ***** END LICENSE BLOCK ***** */


function wcwidth_amb_as_single(c) 
{
    if (c < 0x10000) {
        var s = String.fromCharCode(c);
        if (/[\u1100-\u115f\u2329\u232a\u2e80-\u2e99\u2e9b-\u2ef3\u2f00-\u2fd5\u2ff0-\u2ffb\u3000-\u3029\u302e-\u303e\u3041-\u3096\u309b-\u30ff\u3105-\u312d\u3131-\u318e\u3190-\u31ba\u31c0-\u31e3\u31f0-\u321e\u3220-\u3247\u3250-\u32fe\u3300-\u4dbf\u4e00-\ua48c\ua490-\ua4c6\ua960-\ua97c\uf900-\ufa6d\ufa70-\ufad9\ufe10-\ufe19\ufe30-\ufe52\ufe54-\ufe66\ufe68-\ufe6b\uff01-\uff60\uffe0-\uffe6\uac00-\ud7a3\ufa6e\ufa6f\ufada]/.test(s)) {
            return 2;
        } else if (/[\u00ad\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0600-\u0604\u0610-\u061a\u064b-\u065f\u0670\u06d6-\u06dd\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u070f\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08e4-\u08fe\u0900-\u0902\u093a\u093c\u0941-\u0948\u094d\u0951-\u0957\u0962\u0963\u0981\u09bc\u09c1-\u09c4\u09cd\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b62\u0b63\u0b82\u0bc0\u0bcd\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc6\u0ccc\u0ccd\u0ce2\u0ce3\u0d41-\u0d44\u0d4d\u0d62\u0d63\u0dca\u0dd2-\u0dd4\u0dd6\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135d-\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4\u17b5\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1bab\u1be6\u1be8\u1be9\u1bed\u1bef-\u1bf1\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1cf4\u1dc0-\u1de6\u1dfc-\u1dff\u200b-\u200f\u202a-\u202e\u2060-\u2064\u206a-\u206f\u20d0-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302d\u3099\u309a\ua66f-\ua672\ua674-\ua67d\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaec\uaaed\uaaf6\uabe5\uabe8\uabed\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\ufeff\ufff9]/.test(s)) {
            return 0;
        }
    } else if (c < 0x1F100) {
        return 1;
    } else if (c < 0x1F300) {
        switch (c) {
            case 0x1F12E:
            case 0x1F16A:
            case 0x1F16B:
            case 0x1F1E6:
            case 0x1F1E7:
            case 0x1F1E8:
            case 0x1F1E9:
            case 0x1F1EA:
            case 0x1F1EB:
            case 0x1F1EC:
            case 0x1F1ED:
            case 0x1F1EE:
            case 0x1F1EF:
            case 0x1F1F0:
            case 0x1F1F1:
            case 0x1F1F2:
            case 0x1F1F3:
            case 0x1F1F4:
            case 0x1F1F5:
            case 0x1F1F6:
            case 0x1F1F7:
            case 0x1F1F8:
            case 0x1F1F9:
            case 0x1F1FA:
            case 0x1F1FB:
            case 0x1F1FC:
            case 0x1F1FD:
            case 0x1F1FE:
            case 0x1F1FF:
                return 1;
        }
        return 2;
    } else if (c < 0x20000) {
        return 1;
    } else if (c < 0xE0000) {
        return 2;
    } else if (c < 0xE1000) {
        return 1;
    } else if (c > 0xFFFFF) {
        return 1;
    }
    return 1;
} 

console.time("test")

for (var n = 0; n < 1000; n++)
    for (var i = 0; i < 0x10000; i++) 
        wcwidth_amb_as_single(i)

console.timeEnd("test")