Skip to content

Instantly share code, notes, and snippets.

@IJMacD

IJMacD/index.js

Created July 3, 2025 14:28
Show Gist options
  • Save IJMacD/c33a5c9b5904da234e41a0df7d270dfe to your computer and use it in GitHub Desktop.
Save IJMacD/c33a5c9b5904da234e41a0df7d270dfe to your computer and use it in GitHub Desktop.
Download ZIP
Pull journey time/cost for cartesian set of MTR journeys
Raw
index.js
/**
* @param {number} originID
* @param {number} destinationID
* @returns {Promise<{ time: number, cost: number }|undefined>}
*/
async function getRoute(originID, destinationID) {
if (originID === destinationID) {
return { time: 0, cost: 0 };
}
const r = await fetch(
`https://www.mtr.com.hk/share/customer/jp/api/HRRoutes/?o=${originID}&d=${destinationID}&lang=E`
);
if (r.ok) {
const data = await r.json();
const route = data.routes[0];
return {
time: route.time,
cost: +route.fares[0].fareInfo.adult.octopus,
};
}
}
import stations from "./stations.json" with { type: "json" };
const fromStations = [
"Sai Ying Pun",
"Kam Sheung Road",
"Kennedy Town",
"North Point",
"Tsim Sha Tsui",
"Jordan",
"Kwun Tong",
"Tseung Kwan O",
"Tsuen Wan",
"Tai Po Market",
];
const toStations = [
"Kowloon Bay",
"Central",
"Causeway Bay",
"Tsim Sha Tsui",
"Mong Kok",
"Sha Tin",
];
for (const toStation of toStations) {
const tStation = stations.find((s) => s.name === toStation);
if (tStation) {
console.log(`To: ${toStation}`);
for (const fromStation of fromStations) {
const fStation = stations.find((s) => s.name === fromStation);
if (fStation) {
const result = await getRoute(fStation.id, tStation.id);
if (result) {
console.log(`${fromStation.padEnd(10, " ")}\t00:${result.time.toFixed(0).padStart(2, "0")}\t$${result.cost}`);
}
}
}
console.log("");
}
}
Raw
stations.json
[
{
"id": 2,
"code": "ADM",
"name": "Admiralty",
"nameZH": "金鐘",
"lines": [
"ISL",
"TWL",
"SIL"
]
},
{
"id": 47,
"code": "AIR",
"name": "Airport",
"nameZH": "機場",
"lines": [
"AEL"
]
},
{
"id": 111,
"code": "AUS",
"name": "Austin",
"nameZH": "柯士甸",
"lines": [
"WRL"
]
},
{
"id": 56,
"code": "AWE",
"name": "AsiaWorld-Expo",
"nameZH": "博覽館",
"lines": [
"AEL"
]
},
{
"id": 28,
"code": "CAB",
"name": "Causeway Bay",
"nameZH": "銅鑼灣",
"lines": [
"ISL"
]
},
{
"id": 1,
"code": "CEN",
"name": "Central",
"nameZH": "中環",
"lines": [
"ISL",
"TWL"
]
},
{
"id": 12,
"code": "CHH",
"name": "Choi Hung",
"nameZH": "彩虹",
"lines": [
"KTL"
]
},
{
"id": 37,
"code": "CHW",
"name": "Chai Wan",
"nameZH": "柴灣",
"lines": [
"ISL"
]
},
{
"id": 98,
"code": "CIO",
"name": "City One",
"nameZH": "第一城",
"lines": [
"MOL"
]
},
{
"id": 96,
"code": "CKT",
"name": "Che Kung Temple",
"nameZH": "車公廟",
"lines": [
"MOL"
]
},
{
"id": 18,
"code": "CSW",
"name": "Cheung Sha Wan",
"nameZH": "長沙灣",
"lines": [
"TWL"
]
},
{
"id": 11,
"code": "DIH",
"name": "Diamond Hill",
"nameZH": "鑽石山",
"lines": [
"KTL"
]
},
{
"id": 55,
"code": "DIS",
"name": "Disneyland Resort",
"nameZH": "迪士尼",
"lines": [
"DRL"
]
},
{
"id": 80,
"code": "ETS",
"name": "East Tsim Sha Tsui",
"nameZH": "尖東",
"lines": [
"WRL"
]
},
{
"id": 74,
"code": "FAN",
"name": "Fanling",
"nameZH": "粉嶺",
"lines": [
"EAL"
]
},
{
"id": 30,
"code": "FOH",
"name": "Fortress Hill",
"nameZH": "炮台山",
"lines": [
"ISL"
]
},
{
"id": 69,
"code": "FOT",
"name": "Fo Tan",
"nameZH": "火炭",
"lines": [
"EAL"
]
},
{
"id": 51,
"code": "HAH",
"name": "Hang Hau",
"nameZH": "坑口",
"lines": [
"TKL"
]
},
{
"id": 101,
"code": "HEO",
"name": "Heng On",
"nameZH": "恆安",
"lines": [
"MOL"
]
},
{
"id": 36,
"code": "HFC",
"name": "Heng Fa Chuen",
"nameZH": "杏花邨",
"lines": [
"ISL"
]
},
{
"id": 82,
"code": "HKU",
"name": "HKU",
"nameZH": "香港大學",
"lines": [
"ISL"
]
},
{
"id": 39,
"code": "HOK",
"name": "Hong Kong",
"nameZH": "香港",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 44,
"code": "HOK",
"name": "Hong Kong",
"nameZH": "香港",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 84,
"code": "HOM",
"name": "Ho Man Tin",
"nameZH": "何文田",
"lines": [
"KTL"
]
},
{
"id": 64,
"code": "HUH",
"name": "Hung Hom",
"nameZH": "紅磡",
"lines": [
"EAL",
"WRL"
]
},
{
"id": 4,
"code": "JOR",
"name": "Jordan",
"nameZH": "佐敦",
"lines": [
"TWL"
]
},
{
"id": 83,
"code": "KET",
"name": "Kennedy Town",
"nameZH": "堅尼地城",
"lines": [
"ISL"
]
},
{
"id": 13,
"code": "KOB",
"name": "Kowloon Bay",
"nameZH": "九龍灣",
"lines": [
"KTL"
]
},
{
"id": 8,
"code": "KOT",
"name": "Kowloon Tong",
"nameZH": "九龍塘",
"lines": [
"EAL",
"KTL"
]
},
{
"id": 40,
"code": "KOW",
"name": "Kowloon",
"nameZH": "九龍",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 45,
"code": "KOW",
"name": "Kowloon",
"nameZH": "九龍",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 115,
"code": "KSR",
"name": "Kam Sheung Road",
"nameZH": "錦上路",
"lines": [
"WRL"
]
},
{
"id": 22,
"code": "KWF",
"name": "Kwai Fong",
"nameZH": "葵芳",
"lines": [
"TWL"
]
},
{
"id": 23,
"code": "KWH",
"name": "Kwai Hing",
"nameZH": "葵興",
"lines": [
"TWL"
]
},
{
"id": 15,
"code": "KWT",
"name": "Kwun Tong",
"nameZH": "觀塘",
"lines": [
"KTL"
]
},
{
"id": 21,
"code": "LAK",
"name": "Lai King",
"nameZH": "荔景",
"lines": [
"TCL",
"TWL"
]
},
{
"id": 38,
"code": "LAT",
"name": "Lam Tin",
"nameZH": "藍田",
"lines": [
"KTL"
]
},
{
"id": 19,
"code": "LCK",
"name": "Lai Chi Kok",
"nameZH": "荔枝角",
"lines": [
"TWL"
]
},
{
"id": 88,
"code": "LET",
"name": "Lei Tung",
"nameZH": "利東",
"lines": [
"SIL"
]
},
{
"id": 57,
"code": "LHP",
"name": "LOHAS Park",
"nameZH": "康城",
"lines": [
"TKL"
]
},
{
"id": 78,
"code": "LMC",
"name": "Lok Ma Chau",
"nameZH": "落馬洲",
"lines": [
"EAL"
]
},
{
"id": 9,
"code": "LOF",
"name": "Lok Fu",
"nameZH": "樂富",
"lines": [
"KTL"
]
},
{
"id": 117,
"code": "LOP",
"name": "Long Ping",
"nameZH": "朗屏",
"lines": [
"WRL"
]
},
{
"id": 76,
"code": "LOW",
"name": "Lo Wu",
"nameZH": "羅湖",
"lines": [
"EAL"
]
},
{
"id": 20,
"code": "MEF",
"name": "Mei Foo",
"nameZH": "美孚",
"lines": [
"TWL",
"WRL"
]
},
{
"id": 65,
"code": "MKK",
"name": "Mong Kok East",
"nameZH": "旺角東",
"lines": [
"EAL"
]
},
{
"id": 6,
"code": "MOK",
"name": "Mong Kok",
"nameZH": "旺角",
"lines": [
"KTL",
"TWL"
]
},
{
"id": 102,
"code": "MOS",
"name": "Ma On Shan",
"nameZH": "馬鞍山",
"lines": [
"MOL"
]
},
{
"id": 53,
"code": "NAC",
"name": "Nam Cheong",
"nameZH": "南昌",
"lines": [
"TCL",
"WRL"
]
},
{
"id": 31,
"code": "NOP",
"name": "North Point",
"nameZH": "北角",
"lines": [
"ISL",
"TKL"
]
},
{
"id": 14,
"code": "NTK",
"name": "Ngau Tau Kok",
"nameZH": "牛頭角",
"lines": [
"KTL"
]
},
{
"id": 86,
"code": "OCP",
"name": "Ocean Park",
"nameZH": "海洋公園",
"lines": [
"SIL"
]
},
{
"id": 41,
"code": "OLY",
"name": "Olympic",
"nameZH": "奧運",
"lines": [
"TCL"
]
},
{
"id": 52,
"code": "POA",
"name": "Po Lam",
"nameZH": "寶琳",
"lines": [
"TKL"
]
},
{
"id": 16,
"code": "PRE",
"name": "Prince Edward",
"nameZH": "太子",
"lines": [
"KTL",
"TWL"
]
},
{
"id": 32,
"code": "QUB",
"name": "Quarry Bay",
"nameZH": "鰂魚涌",
"lines": [
"ISL",
"TKL"
]
},
{
"id": 70,
"code": "RAC",
"name": "Racecourse",
"nameZH": "馬場",
"lines": [
"EAL"
]
},
{
"id": 99,
"code": "SHM",
"name": "Shek Mun",
"nameZH": "石門",
"lines": [
"MOL"
]
},
{
"id": 75,
"code": "SHS",
"name": "Sheung Shui",
"nameZH": "上水",
"lines": [
"EAL"
]
},
{
"id": 68,
"code": "SHT",
"name": "Sha Tin",
"nameZH": "沙田",
"lines": [
"EAL"
]
},
{
"id": 26,
"code": "SHW",
"name": "Sheung Wan",
"nameZH": "上環",
"lines": [
"ISL"
]
},
{
"id": 119,
"code": "SIH",
"name": "Siu Hong",
"nameZH": "兆康",
"lines": [
"WRL"
]
},
{
"id": 7,
"code": "SKM",
"name": "Shek Kip Mei",
"nameZH": "石硤尾",
"lines": [
"KTL"
]
},
{
"id": 35,
"code": "SKW",
"name": "Shau Kei Wan",
"nameZH": "筲箕灣",
"lines": [
"ISL"
]
},
{
"id": 89,
"code": "SOH",
"name": "South Horizons",
"nameZH": "海怡半島",
"lines": [
"SIL"
]
},
{
"id": 17,
"code": "SSP",
"name": "Sham Shui Po",
"nameZH": "深水埗",
"lines": [
"TWL"
]
},
{
"id": 97,
"code": "STW",
"name": "Sha Tin Wai",
"nameZH": "沙田圍",
"lines": [
"MOL"
]
},
{
"id": 54,
"code": "SUN",
"name": "Sunny Bay",
"nameZH": "欣澳",
"lines": [
"DRL",
"TCL"
]
},
{
"id": 34,
"code": "SWH",
"name": "Sai Wan Ho",
"nameZH": "西灣河",
"lines": [
"ISL"
]
},
{
"id": 81,
"code": "SYP",
"name": "Sai Ying Pun",
"nameZH": "西營盤",
"lines": [
"ISL"
]
},
{
"id": 33,
"code": "TAK",
"name": "Tai Koo",
"nameZH": "太古",
"lines": [
"ISL"
]
},
{
"id": 72,
"code": "TAP",
"name": "Tai Po Market",
"nameZH": "大埔墟",
"lines": [
"EAL"
]
},
{
"id": 67,
"code": "TAW",
"name": "Tai Wai",
"nameZH": "大圍",
"lines": [
"EAL",
"MOL"
]
},
{
"id": 29,
"code": "TIH",
"name": "Tin Hau",
"nameZH": "天后",
"lines": [
"ISL"
]
},
{
"id": 49,
"code": "TIK",
"name": "Tiu Keng Leng",
"nameZH": "調景嶺",
"lines": [
"KTL",
"TKL"
]
},
{
"id": 118,
"code": "TIS",
"name": "Tin Shui Wai",
"nameZH": "天水圍",
"lines": [
"WRL"
]
},
{
"id": 50,
"code": "TKO",
"name": "Tseung Kwan O",
"nameZH": "將軍澳",
"lines": [
"TKL"
]
},
{
"id": 100,
"code": "TSH",
"name": "Tai Shui Hang",
"nameZH": "大水坑",
"lines": [
"MOL"
]
},
{
"id": 3,
"code": "TST",
"name": "Tsim Sha Tsui",
"nameZH": "尖沙咀",
"lines": [
"TWL"
]
},
{
"id": 25,
"code": "TSW",
"name": "Tsuen Wan",
"nameZH": "荃灣",
"lines": [
"TWL"
]
},
{
"id": 46,
"code": "TSY",
"name": "Tsing Yi",
"nameZH": "青衣",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 42,
"code": "TSY",
"name": "Tsing Yi",
"nameZH": "青衣",
"lines": [
"AEL",
"TCL"
]
},
{
"id": 43,
"code": "TUC",
"name": "Tung Chung",
"nameZH": "東涌",
"lines": [
"TCL"
]
},
{
"id": 120,
"code": "TUM",
"name": "Tuen Mun",
"nameZH": "屯門",
"lines": [
"WRL"
]
},
{
"id": 24,
"code": "TWH",
"name": "Tai Wo Hau",
"nameZH": "大窩口",
"lines": [
"TWL"
]
},
{
"id": 73,
"code": "TWO",
"name": "Tai Wo",
"nameZH": "太和",
"lines": [
"EAL"
]
},
{
"id": 114,
"code": "TWW",
"name": "Tsuen Wan West",
"nameZH": "荃灣西",
"lines": [
"WRL"
]
},
{
"id": 71,
"code": "UNI",
"name": "University",
"nameZH": "大學",
"lines": [
"EAL"
]
},
{
"id": 27,
"code": "WAC",
"name": "Wan Chai",
"nameZH": "灣仔",
"lines": [
"ISL"
]
},
{
"id": 87,
"code": "WCH",
"name": "Wong Chuk Hang",
"nameZH": "黃竹坑",
"lines": [
"SIL"
]
},
{
"id": 888,
"code": "WEK",
"name": "Hong Kong West Kowloon",
"nameZH": "香港西九龍",
"lines": [
"HSR"
]
},
{
"id": 85,
"code": "WHA",
"name": "Whampoa",
"nameZH": "黃埔",
"lines": [
"KTL"
]
},
{
"id": 103,
"code": "WKS",
"name": "Wu Kai Sha",
"nameZH": "烏溪沙",
"lines": [
"MOL"
]
},
{
"id": 10,
"code": "WTS",
"name": "Wong Tai Sin",
"nameZH": "黃大仙",
"lines": [
"KTL"
]
},
{
"id": 48,
"code": "YAT",
"name": "Yau Tong",
"nameZH": "油塘",
"lines": [
"KTL",
"TKL"
]
},
{
"id": 5,
"code": "YMT",
"name": "Yau Ma Tei",
"nameZH": "油麻地",
"lines": [
"KTL",
"TWL"
]
},
{
"id": 116,
"code": "YUL",
"name": "Yuen Long",
"nameZH": "元朗",
"lines": [
"WRL"
]
}
]
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment