Skip to the content

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 · Juosan rules

undoJuosanfunction

Restores the preceding mark state, if one exists.

Import it

import { undoJuosan } from "@johnmorrisdotca/kazu/juosan";

Also exported from: @johnmorrisdotca/kazu

Definition

function undoJuosan(game: JuosanGame): JuosanGame

Parameters

NameTypeDescription
gameJuosanGame

The current immutable game state.

Returns

JuosanGame

Restores the preceding mark state, if one exists.

Examples

import type { JuosanBoard } from "@johnmorrisdotca/kazu/juosan";
import { newJuosan, undoJuosan } from "@johnmorrisdotca/kazu/juosan";

const juosanBoard: JuosanBoard = {"width":3,"height":2,"territories":[{"cells":[0,1,2],"difference":3},{"cells":[3,4,5],"difference":3}]};
const juosanGame = newJuosan(juosanBoard);
console.log(undoJuosan(juosanGame));
{
  board: { width: 3, height: 2, territories: [ [Object], [Object] ] },
  marks: [ 0, 0, 0, 0, 0, 0 ],
  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.