kmahj
v0.0.10
Published
Parse mahjong inputs and resolve hand scores for various rule sets
Readme
KMAHJ.JS
Parse mahjong inputs and resolve hand scores for various rule sets.
Installation
npm i kmahj
Usage
Resolve majong hand from input
import { kmahj } from "kmahj";
const input = "12345689p12344s+7p";
kmahj.ema2016.resolve(input);Result
{
"groups": [...]
"han": 2,
"yakuman": 0,
"fu": 40,
"yaku": [
{
"name": "Ittsu",
"yakuman": false,
"han": 1,
"concealedMajoration": true
}
],
"score": {
"east": 3900,
"other": {
"ron": 2600,
"tsumo": {
"other": 700,
"east": 1300
}
}
}
}Parse tiles
import { MpszParser } from "kmahj/parser";
const input = "456p 1>23p 345*>p 6v666vp 0>55m 6>6^66s";
const parsed = MpszParser.parse(input);Result
{
"groups": [
{
"tiles": [
{
"tile": {
"code": 4,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 5,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 6,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
}
]
},
{
"tiles": [
{
"tile": {
"code": 1,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": [
"inclined"
]
},
{
"tile": {
"code": 2,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 3,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
}
]
},
{
"tiles": [
{
"tile": {
"code": 3,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 4,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 5,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": [
"aka",
"inclined"
]
}
]
},
{
"tiles": [
{
"tile": {
"code": 6,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": [
"reverted"
]
},
{
"tile": {
"code": 6,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 6,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 6,
"family": {
"code": "pin",
"category": {
"code": "suit"
}
}
},
"modificators": [
"reverted"
]
}
]
},
{
"tiles": [
{
"tile": {
"code": 25,
"family": {
"code": "man",
"category": {
"code": "suit"
}
}
},
"modificators": [
"aka",
"inclined"
]
},
{
"tile": {
"code": 25,
"family": {
"code": "man",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 25,
"family": {
"code": "man",
"category": {
"code": "suit"
}
}
},
"modificators": []
}
]
},
{
"tiles": [
{
"tile": {
"code": 16,
"family": {
"code": "sou",
"category": {
"code": "suit"
}
}
},
"modificators": [
"inclined"
]
},
{
"tile": {
"code": 16,
"family": {
"code": "sou",
"category": {
"code": "suit"
}
}
},
"modificators": [
"superposed"
]
},
{
"tile": {
"code": 16,
"family": {
"code": "sou",
"category": {
"code": "suit"
}
}
},
"modificators": []
},
{
"tile": {
"code": 16,
"family": {
"code": "sou",
"category": {
"code": "suit"
}
}
},
"modificators": []
}
]
}
]
}Supported syntaxes
MpszParser
- Use tile numbers followed by a family character
- p : PIN
- m : MAN
- s : SOU
- z : ZIHAI (1234 for East-South-West-North, 567 for White-Green-Red)
- Separate groups with a space
- Add modificators after a tile number
- > or < : Inclined
- ^ : Superposed
- v : Reverted
- * : Aka (five only)
- Add the winning tile at the end separated with a +
Example : 1234p444m 5>67s 11>1^1s + 4p
JapaneseParser
- Use tile specific characters
- ➀-➈ : PIN
- 一-九 : MAN
- 1-9 : SOU
- TN西北 : East, South, West, North
- R中白 : Green, Red, White
- Separate groups with a space
- Add modificators after a tile number
- > or < : Inclined
- ^ : Superposed
- v : Reverted
- * : Aka (five only)
- Add the winning tile at the end separated with a +
Example : ➀➁➂➃四四四 5>67 11>1^1 + ➃
UnicodeParser
- Use specific unicode characters for mahjong tiles 🀀-🀪
- Separate groups with a space
- Add modificators after a tile number
- > or < : Inclined
- ^ : Superposed
- v : Reverted
- * : Aka (five only)
- Add the winning tile at the end separated with a +
Example : 🀙🀚🀛🀜🀊🀊🀊 🀔*>🀕🀖 🀐v🀐🀐🀐v + 🀜
Supported Rules
RIICHI EMA 2016
Based on latest European Riichi rules
USABLE PROPERTIES
type RoundProps = {
playerWind?: TileCode, // current seat wind
roundWind?: TileCode, // current prevalent wind
dora?: TileRef[], // exposed dora markers
uraDora?: TileRef[], // exposed ura dora markers
winningKind?: WINNING_KIND, // type of winning (tsumo, ron, rinshan, chan kan)
riichi?: boolean, // player declared Riichi
doubleRiichi?: boolean, // player declared Riichi on first turn
firstTurnAfterRiichi?: boolean, // player wins on first turn after declaring Riichi (Ippatsu)
lastTile?: boolean, // player wins on last tile
firstTurn?: boolean, // player wins on first turn
counters?: number, // continuation counters present
claimableRiichiBets?: number // Riichi bets to be claimed by the winner
}