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Kazu数

Generate checked Sudoku and logic puzzles, read native rules and hints, and draw or embed playable boards.

Kazu is the Japanese word 数 for number. About the name

Contents

Reference · Masyu rules

undoMasyufunction

Return the Masyu game with its previous marks or entries restored, or unchanged when there is no undo history.

Import it

import { undoMasyu } from "@johnmorrisdotca/kazu/masyu";

Also exported from: @johnmorrisdotca/kazu

Definition

function undoMasyu(game: MasyuGame): MasyuGame

Parameters

NameTypeDescription
gameMasyuGame

The current immutable game state.

Returns

MasyuGame

Return the Masyu game with its previous marks or entries restored, or unchanged when there is no undo history.

Examples

import type { MasyuBoard } from "@johnmorrisdotca/kazu/masyu";
import { newMasyu, undoMasyu } from "@johnmorrisdotca/kazu/masyu";

const masyuBoard: MasyuBoard = {"width":5,"height":5,"pearls":[2,1,0,1,2,1,0,0,0,1,2,1,0,1,2,0,0,0,0,0,0,0,0,0,0]};
const masyuGame = newMasyu(masyuBoard);
console.log(undoMasyu(masyuGame));
{
  board: {
    width: 5,
    height: 5,
    pearls: [
      2, 1, 0, 1, 2, 1, 0, 0,
      0, 1, 2, 1, 0, 1, 2, 0,
      0, 0, 0, 0, 0, 0, 0, 0,
      0
    ]
  },
  edges: [],
  history: [],
  helped: false
}

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/kazu 2.1.0.