index.js

const trigrams = [
  ['Ch’ien', 111, `Qian`, `乾`, `☰`],
  ['Tui', 11, `Dui`, `兌`, `☱`],
  ['Li', 101, `Li`, `離`, `☲`],
  ['Chên', 1, `Zhen`, `震`, `☳`],
  ['Sun', 110, `Xun`, `巽`, `☴`],
  ['K’an', 10, `Kan`, `坎`, `☵`],
  ['Kên', 100, `Gen`, `艮`, `☶`],
  ['K’un', 0, `Kun`, `坤`, `☷`],
];

const triRef = trigrams.map(([oldName, bin, name, char, unicodeChar], i) => ({
  name, oldName, char, unicode: (9776 + i), unicodeChar, htmlEntity: `&#${9776 + i};`, bin, binStr: bin.toString().padStart(3, "0")
}));

const hexagrams = [
  [1, 111111, 63, 77, '3F'],
  [2, 0, 0, 0, '0'],
  [3, 10001, 17, 21, '11'],
  [4, 100010, 34, 42, '22'],
  [5, 10111, 23, 27, '17'],
  [6, 111010, 58, 72, '3A'],
  [7, 10, 2, 2, '2'],
  [8, 10000, 16, 20, '10'],
  [9, 110111, 55, 67, '37'],
  [10, 111011, 59, 73, '3B'],
  [11, 111, 7, 7, '7'],
  [12, 111000, 56, 70, '38'],
  [13, 111101, 61, 75, '3D'],
  [14, 101111, 47, 57, '2F'],
  [15, 100, 4, 4, '4'],
  [16, 1000, 8, 10, '8'],
  [17, 11001, 25, 31, '19'],
  [18, 100110, 38, 46, '26'],
  [19, 11, 3, 3, '3'],
  [20, 110000, 48, 60, '30'],
  [21, 101001, 41, 51, '29'],
  [22, 100101, 37, 45, '25'],
  [23, 100000, 32, 40, '20'],
  [24, 1, 1, 1, '1'],
  [25, 111001, 57, 71, '39'],
  [26, 100111, 39, 47, '27'],
  [27, 100001, 33, 41, '21'],
  [28, 11110, 30, 36, '1E'],
  [29, 10010, 18, 22, '12'],
  [30, 101101, 45, 55, '2D'],
  [31, 11100, 28, 34, '1C'],
  [32, 1110, 14, 16, 'E'],
  [33, 111100, 60, 74, '3C'],
  [34, 1111, 15, 17, 'F'],
  [35, 101000, 40, 50, '28'],
  [36, 10, 2, 2, '2'],
  [37, 110101, 53, 65, '35'],
  [38, 101011, 43, 53, '2B'],
  [39, 10100, 20, 24, '14'],
  [40, 1010, 10, 12, 'A'],
  [41, 100011, 35, 43, '23'],
  [42, 110001, 49, 61, '31'],
  [43, 11111, 31, 37, '1F'],
  [44, 111110, 62, 76, '3E'],
  [45, 11000, 24, 30, '18'],
  [46, 110, 6, 6, '6'],
  [47, 11010, 26, 32, '1A'],
  [48, 10110, 22, 26, '16'],
  [49, 11101, 29, 35, '1D'],
  [50, 101110, 46, 56, '2E'],
  [51, 110, 6, 6, '6'],
  [52, 100100, 36, 44, '24'],
  [53, 110100, 52, 64, '34'],
  [54, 1011, 11, 13, 'B'],
  [55, 1101, 13, 15, 'D'],
  [56, 101100, 44, 54, '2C'],
  [57, 110110, 54, 66, '36'],
  [58, 11011, 27, 33, '1B'],
  [59, 110010, 50, 62, '32'],
  [60, 10011, 19, 23, '13'],
  [61, 110011, 51, 63, '33'],
  [62, 1100, 12, 14, 'C'],
  [63, 10101, 21, 25, '15'],
  [64, 101010, 42, 52, '2A'],
];

const names = [
  [1, `乾`, `Qián`],
  [2, `坤`, `Kūn`],
  [3, `屯`, `Zhūn`],
  [4, `蒙`, `Méng`],
  [5, `需`, `Xū`],
  [6, `訟`, `Sòng`],
  [7, `師`, `Shī`],
  [8, `比`, `Bǐ`],
  [9, `小畜`, `Xiǎo Xù`],
  [10, `履`, `Lǚ`],
  [11, `泰`, `Tài`],
  [12, `否`, `Pǐ`],
  [13, `同人`, `Tóng Rén`],
  [14, `大有`, `Dà Yǒu`],
  [15, `謙`, `Qiān`],
  [16, `豫`, `Yù`],
  [17, `隨`, `Suí`],
  [18, `蠱`, `Gŭ`],
  [19, `臨`, `Lín`],
  [20, `觀`, `Guān`],
  [21, `噬嗑`, `Shì Kè`],
  [22, `賁`, `Bì`],
  [23, `剝`, `Bō`],
  [24, `復`, `Fù`],
  [25, `無妄`, `Wú Wàng`],
  [26, `大畜`, `Dà Xù`],
  [27, `頤`, `Yí`],
  [28, `大過`, `Dà Guò`],
  [29, `坎`, `Kǎn`],
  [30, `離`, `Lí`],
  [31, `咸`, `Xián`],
  [32, `恆`, `Héng`],
  [33, `遯`, `Dùn`],
  [34, `大壯`, `Dà Zhuàng`],
  [35, `晉`, `Jìn`],
  [36, `明夷`, `Míng Yí`],
  [37, `家人`, `Jiā Rén`],
  [38, `睽`, `Kuí`],
  [39, `蹇`, `Jiǎn`],
  [40, `解`, `Xiè`],
  [41, `損`, `Sǔn`],
  [42, `益`, `Yì`],
  [43, `夬`, `Guài`],
  [44, `姤`, `Gòu`],
  [45, `萃`, `Cuì`],
  [46, `升`, `Shēng`],
  [47, `困`, `Kùn`],
  [48, `井`, `Jǐng`],
  [49, `革`, `Gé`],
  [50, `鼎`, `Tǐng`],
  [51, `震`, `Zhèn`],
  [52, `艮`, `Gèn`],
  [53, `漸`, `Jiàn`],
  [54, `歸妹`, `Guī Mèi`],
  [55, `豐`, `Fēng`],
  [56, `旅`, `Lǚ`],
  [57, `巽`, `Xùn`],
  [58, `兌`, `Duì`],
  [59, `渙`, `Huàn`],
  [60, `節`, `Jié`],
  [61, `中孚`, `Zhōng Fú`],
  [62, `小過`, `Xiǎo Guò`],
  [63, `既濟`, `Jì Jì`],
  [64, `未濟`, `Wèi Jì`],
];

const names2 = [
  `1 Ch’ien 乾 The Creative`,
  `2 K’un 坤 The Receptive`,
  `3 Chun 屯 Difficulty at the Beginning`,
  `4 Mêng 蒙 Youthful Folly`,
  `5 Hsü 需 Waiting (Nourishment)`,
  `6 Sung 訟 Conflict`,
  `7 Shih 師 The Army`,
  `8 Pi 比 Holding Together [Union]`,
  `9 Hsiao Ch’u 小畜 The Taming Power of the Small`,
  `10 Lü 履 Treading [Conduct]`,
  `11 T’ai 泰 Peace`,
  `12 P’i 否 Standstill [Stagnation]`,
  `13 T’ung Jên 同人 Fellowship with Men`,
  `14 Ta Yu 大有 Possession in Great Measure`,
  `15 Ch’ien 謙 Modesty`,
  `16 Yü 豫 Enthusiasm`,
  `17 Sui 隨 Following`,
  `18 Ku 蠱 Work on what has been spoiled [Decay]`,
  `19 Lin 臨 Approach`,
  `20 Kuan 觀 Contemplation (View)`,
  `21 Shih Ho 噬嗑 Biting Through`,
  `22 Pi 賁 Grace`,
  `23 Po 剝 Splitting Apart`,
  `24 Fu 復 Return (The Turning Point)`,
  `25 Wu Wang 無妄 Innocence (The Unexpected)`,
  `26 Ta Ch’u 大畜 The Taming Power of the Great`,
  `27 I 頤 Corners of the Mouth (Providing Nourishment)`,
  `28 Ta Kuo 大過 Preponderance of the Great`,
  `29 K’an 坎 The Abysmal (Water)`,
  `30 Li 離 The Clinging, Fire`,
  `31 Hsien 咸 Influence (Wooing)`,
  `32 Hêng 恆 Duration`,
  `33 Tun 遯 Retreat`,
  `34 Ta Chuang 大壯 The Power of the Great`,
  `35 Chin 晉 Progress`,
  `36 Ming I 明夷 Darkening of the light`,
  `37 Chia Jên 家人 The Family [The Clan]`,
  `38 K’uei 睽 Opposition`,
  `39 Chien 蹇 Obstruction`,
  `40 Hsieh 解 Deliverance`,
  `41 Sun 損 Decrease`,
  `42 I 益 Increase`,
  `43 Kuai 夬 Break-through (Resoluteness)`,
  `44 Kou 姤 Coming to Meet`,
  `45 Ts’ui 萃 Gathering Together [Massing]`,
  `46 Shêng 升 Pushing Upward`,
  `47 K’un 困 Oppression (Exhaustion)`,
  `48 Ching 井 The Well  `,
  `49 Ko 革 Revolution (Molting)`,
  `50 Ting 鼎 The Caldron`,
  `51 Chên 震 The Arousing (Shock, Thunder)`,
  `52 Kên 艮 Keeping Still, Mountain`,
  `53 Chien 漸 Development (Gradual Progress)`,
  `54 Kuei Mei 歸妹 The Marrying Maiden`,
  `55 Fêng 豐 Abundance [Fullness]`,
  `56 Lü 旅 The Wanderer`,
  `57 Sun 巽 The Gentle (The Penetrating, Wind)`,
  `58 Tui 兌 The Joyous, Lake`,
  `59 Huan 渙 Dispersion [Dissolution]`,
  `60 Chieh 節 Limitation`,
  `61 Chung Fu 中孚 Inner Truth`,
  `62 Hsiao Kuo 小過 Preponderance of the Small`,
  `63 Chi Chi 既濟 After Completion`,
  `64 Wei Chi 未濟 Before Completion`,
].map(s => {
  const chars2 = s.match(/ \p{sc=Han}+ /u).pop().trim();
  const [fore, title] = s.split(chars2);
  const [xx, strKW, oldName] = fore.trim().match(/(\d+) (.*)/);
  return { kingWen: parseInt(strKW), oldName, chars2, title: title.trim() };
});

const pantherRanges = [
  [1, 10],
  [11, 20],
  [21, 30],
  [31, 41,],
  [42, 52],
  [53, 64],
];

const pantherUrl = kingWen => {
  base = `http://www.pantherwebworks.com/I_Ching/`;
  const [lo, hi] = pantherRanges.filter(([lo, hi]) => kingWen >= lo && kingWen <= hi).pop();
  return `${base}bk1h${lo}-${hi}.htmlEntity#${kingWen}`;
}


const iChing = hexagrams.map(([kingWen, bin, dec, oct, hexStr]) => ({ kingWen, bin, dec, oct, hexStr, binStr: bin.toString().padStart(6, "0"), }))
  .map(h => {
    const { binStr } = h;
    const upper = triRef.find(t => t.binStr === binStr.slice(0, 3));
    const lower = triRef.find(t => t.binStr === binStr.slice(3));
    const [kW, chars, name] = names.find(n => n[0] === h.kingWen)
    const { x, kingWen, oldName, chars2, title } = names2.find(n => n.kingWen === h.kingWen);
    const uniCode = parseInt("4DBF", 16) + kingWen;
    const unicodeChar = String.fromCharCode(uniCode);
    const htmlEntity = `&#${uniCode};`;
    return { name, oldName, chars, title, ...h, uniCode, unicodeChar, htmlEntity, upper, lower, url: pantherUrl(kingWen) };
  });

iChing;

// module.exports = iChing;