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Jarajaraジャラジャラ

Draw mahjong tiles, arrange racks and stacked boards, and play seeded Awase alone or at a shared table.

Jarajara is the Japanese sound of mahjong tiles rattling together. About the name

Contents

Reference · Tiles, layouts and deals

matchesOffunction

EVERY TILE THAT MATCHES A SLOT'S, under the bonus rule in play, told apart by whether it could be taken with it now. A tile's own slot is never in either list, and an empty slot has no matches. Pure: it reads the tiles as they lie.

Import it

import { matchesOf } from "@johnmorrisdotca/jarajara";

Definition

function matchesOf(geometry: MahjongGeometry, cells: MahjongCells, rule: MahjongBonusRule, slot: number): MatchesOf

Parameters

NameTypeDescription
geometryMahjongGeometry

The stacked layout’s covering and side-blocking relationships.

cellsstring

The face-code string in native slot order; dot marks a removed tile.

ruleMahjongBonusRule

Grouped or identical bonus matching.

slotnumber

The zero-based slot index or slot coordinates specified by this signature.

Returns

MatchesOf

EVERY TILE THAT MATCHES A SLOT'S, under the bonus rule in play, told apart by whether it could be taken with it now. A tile's own slot is never in either list, and an empty slot has no matches. Pure: it reads the tiles as they lie.

Examples

import { generateAwase } from "@johnmorrisdotca/jarajara/awase";
import { freePairs, geometryOf, layoutFor, matchesOf } from "@johnmorrisdotca/jarajara";

const deal = generateAwase(4,"easy",2026);
const layout = layoutFor(4)!;
const geometry = geometryOf(layout);
const cells = deal.givens;
const pair = freePairs(geometry,cells,"group")[0];
console.log(matchesOf(geometry,cells,"group",pair[0]));
{ free: [ 7 ], blocked: [] }

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/jarajara 1.7.0.