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feature/algorithm #5

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manuel merged 6 commits from feature/algorithm into main 2025-01-08 21:54:25 +01:00
Conversation 0 Commits 6 Files changed 43 +3450 -18685
43 changed files with 3450 additions and 18685 deletions
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31
.gitignore vendored
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/.idea # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies # dependencies
/node_modules /node_modules
/.pnp
.pnp.*
.yarn/*
!.yarn/patches
!.yarn/plugins
!.yarn/releases
!.yarn/versions
# testing # testing
/coverage /coverage
# next.js
/.next/
/out/
# production # production
/build /build
# misc # misc
.DS_Store .DS_Store
.env.local *.pem
.env.development.local
.env.test.local
.env.production.local
# debug
npm-debug.log* npm-debug.log*
yarn-debug.log* yarn-debug.log*
yarn-error.log* yarn-error.log*
.pnpm-debug.log*
# env files (can opt-in for committing if needed)
.env*
# vercel
.vercel
# typescript
*.tsbuildinfo
../next-env.d.ts

1869
README.md
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eslint.config.mjs Normal file
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import { dirname } from "path";
import { fileURLToPath } from "url";
import { FlatCompat } from "@eslint/eslintrc";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const compat = new FlatCompat({
baseDirectory: __dirname,
});
const eslintConfig = [
...compat.extends("next/core-web-vitals", "next/typescript"),
];
export default eslintConfig;

5
next-env.d.ts vendored Normal file
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/// <reference types="next" />
/// <reference types="next/image-types/global" />
// NOTE: This file should not be edited
// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

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next.config.ts Normal file
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import type {NextConfig} from "next";
const nextConfig: NextConfig = {
/* config options here */
output: "export",
assetPrefix: "./"
};
export default nextConfig;

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package-lock.json generated
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50
package.json
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{ {
"dependencies": {
"@types/jest": "^29.5.0",
"@types/node": "^18.15.11",
"@types/react": "^18.0.35",
"@types/react-dom": "^18.0.11",
"react": "^18.0.0",
"react-dom": "^18.0.0",
"typescript": "^5.0.4"
},
"main": "/index.js",
"homepage": ".",
"devDependencies": {
"react-scripts": "^5.0.1"
},
"name": "a-maze-r", "name": "a-maze-r",
"description": "The A-Maze-Ing Generator!", "version": "0.1.0",
"version": "0.0.0", "private": true,
"scripts": { "scripts": {
"start": "react-scripts start", "dev": "next dev",
"build": "react-scripts build", "build": "next build",
"test": "react-scripts test --env=jsdom", "start": "next start",
"eject": "react-scripts eject" "lint": "next lint"
}, },
"browserslist": { "dependencies": {
"production": [ "react": "^19.0.0",
">0.2%", "react-dom": "^19.0.0",
"not dead", "next": "15.1.2"
"not op_mini all" },
], "devDependencies": {
"development": [ "typescript": "^5",
"last 1 chrome version", "@types/node": "^20",
"last 1 firefox version", "@types/react": "^19",
"last 1 safari version" "@types/react-dom": "^19",
] "eslint": "^9",
"eslint-config-next": "15.1.2",
"@eslint/eslintrc": "^3"
} }
} }

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public/index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="theme-color" content="#000000">
<!--
manifest.json provides metadata used when your web app is added to the
homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>A-Maze-R</title>
</head>
<body>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

15
public/manifest.json
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{
"short_name": "React App",
"name": "Create React App Sample",
"icons": [
{
"src": "favicon.ico",
"sizes": "192x192",
"type": "image/png"
}
],
"start_url": "./index.html",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

32
src/Cell.tsx
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import {MazeCell} from "./model/Maze";
import Coordinates from "./model/Coordinates";
import {actionClickedCell} from "./state/action.ts";
function isMarked(x: number, y: number, marked: Coordinates[]): boolean {
return !!marked.find(e => e.x === x && e.y === y);
}
export default function Cell({x, y, state, dispatch}) {
const cell: MazeCell = state.maze.grid[y][x];
let classes = "cell r" + y + " c" + x;
if (cell.top) classes += " top";
if (cell.right) classes += " right";
if (cell.bottom) classes += " bottom";
if (cell.left) classes += " left";
if (cell.solution && state.showSolution) classes += " solution";
const marked = isMarked(x, y, state.userPath);
if (marked) classes += " user";
return (
<div className={classes}
onMouseEnter={(e) => {
const leftPressed = e.buttons & 0x1;
if (leftPressed) {
dispatch(actionClickedCell(x, y));
}
}}
onClick={(e) => {
dispatch(actionClickedCell(x, y));
}}>
</div>
);
}

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src/InputForm.tsx
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import {useState} from 'react';
import ValidatingInputNumberField from "./ValidatingInputNumberField.tsx";
import {actionLoadedMaze, actionLoadingFailed, actionStartedLoading} from "./state/action.ts";
export default function InputForm({state, dispatch}) {
const [width, setWidth] = useState(10);
const [height, setHeight] = useState(10);
const [id, setId] = useState(null as number);
const handleSubmit = (e) => {
e.preventDefault();
dispatch(actionStartedLoading());
const url = `https://manuel.friedli.info/labyrinth/create/json?w=${width}&h=${height}&id=${id || ''}`;
fetch(url)
.then(response => response.json())
// .then(result => new Promise(resolve => setTimeout(resolve, 600, result)))
.then(result => {
dispatch(actionLoadedMaze(result));
})
.catch(reason => {
console.error("Failed to fetch maze data.", reason);
dispatch(actionLoadingFailed(reason));
});
};
const validateWidthHeightInput = value => {
if (isNaN(value) || "" === value || (Math.floor(value) !== Number(value))) {
return {
valid: false,
message: "Must be an integer greater than 1.",
value
};
}
if (value < 1) {
return {
valid: false,
message: "Must be greater than 1.",
value
};
}
return {
valid: true,
value
};
};
const validateIdInput = value => {
// FIXME doesn't handle strings with characters correctly (e.g. "asdf" yields an empty value, due to "type=number").
if (isNaN(value) || ("" !== value && ((Math.floor(value) !== Number(value))))) {
return {
valid: false,
message: "Must be empty or an integer",
value
};
}
return {
valid: true,
value
}
};
return (
<form onSubmit={handleSubmit}>
<ValidatingInputNumberField id={"width"}
label={"Width"}
value={width}
constraints={{
min: 2
}}
validatorFn={validateWidthHeightInput}
disabled={state.loading}
onChange={setWidth}
/><br/>
<ValidatingInputNumberField id={"height"}
label={"Height"}
value={height}
constraints={{
min: 2
}}
validatorFn={validateWidthHeightInput}
disabled={state.loading}
onChange={setHeight}
/><br/>
<ValidatingInputNumberField id={"id"}
label={"ID (optional)"}
value={id}
validatorFn={validateIdInput}
disabled={state.loading}
onChange={setId}
/><br/>
<button type={"submit"}
disabled={state.loading
|| isNaN(width)
|| isNaN(height)
}>{state.loading ? "Loading ..." : "Create Maze!"}
</button>
</form>
);
}

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src/Maze.tsx
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import Cell from "./Cell.tsx";
export default function Maze({state, dispatch}) {
if (!state.maze) {
return <div>No valid maze.</div>
}
let maze: JSX.Element[] = [];
for (let y = 0; y < state.maze.height; y++) {
let row: JSX.Element[] = [];
for (let x = 0; x < state.maze.width; x++) {
row.push(<Cell key={`${x}x${y}`} x={x} y={y} state={state} dispatch={dispatch}/>)
}
maze.push(<div key={`r${y}`} className={"row"}>{row}</div>);
}
return (
<div className={"maze"}>
{maze}
</div>
);
}

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src/MessageBanner.tsx
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import {actionClosedMessageBanner} from "./state/action.ts";
export default function MessageBanner({state, dispatch}) {
function handleClose() {
dispatch(actionClosedMessageBanner());
}
if (!!state.errorMessage) {
return (<div className={"message-banner"}>
{state.errorMessage}
<button onClick={handleClose}>Dismiss message</button>
</div>);
}
return <></>;
}

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src/ValidatingInputNumberField.tsx
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import React, {useState} from 'react';
export default function ValidatingInputNumberField({
id,
label,
value = 0,
constraints = {},
validatorFn = (value) => {
return {valid: true, value};
},
disabled = false,
onChange = _ => {
}
}) {
const [error, setError] = useState(null);
const handleValueChange = (e) => {
const value = e.target.value;
const validation = validatorFn(value);
if (!validation.valid) {
setError(validation.message);
} else {
setError(null);
}
onChange(validation.value);
};
return (
<>
<label htmlFor={id}>{label}: </label>
<input id={id}
type={"number"}
onChange={handleValueChange}
value={value || ""}
min={constraints.min || null}
max={constraints.max || null}
disabled={disabled}
/>
{!!error && <span>{error}</span>}
</>
);
}

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src/app/cell.css Normal file
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.solution {
background-color: var(--color-maze-cell-solution);
}
.solution:hover {
background-color: var(--color-maze-cell-solution-highlight);
}
.top {
border-top-color: var(--color-maze-border);
}
.right {
border-right-color: var(--color-maze-border);
}
.bottom {
border-bottom-color: var(--color-maze-border);
}
.left {
border-left-color: var(--color-maze-border);
}
.user{
background-color: var(--color-maze-cell-user);
}
.user:hover {
background-color: var(--color-maze-cell-user-highlight);
}
.solution.user {
background-color: #c8ff00;
}

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src/app/cell.module.css Normal file
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.cell {
display: table-cell;
border: 1px solid transparent;
height: 2em;
width: 2em;
padding: 0;
}
.cell:hover {
background-color: var(--color-background-highlight);
}

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src/app/cell.tsx Normal file
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import {MazeCell} from "./model/maze.ts";
import Coordinates from "./model/coordinates.ts";
import {Action, actionClickedCell} from "./state/action.ts";
import styles from "./cell.module.css";
import "./cell.css";
import {State} from "./state/state.ts";
import {ActionDispatch} from "react";
function isMarked(x: number, y: number, marked: Coordinates[]): boolean {
return !!marked.find(e => e.x === x && e.y === y);
}
export default function Cell({x, y, state, dispatch}:
{
x: number,
y: number,
state: State,
dispatch: ActionDispatch<[Action]>
}) {
const cell: MazeCell = state.maze!.grid[y][x];
let classes = " r" + y + " c" + x;
if (cell.top) classes += " top";
if (cell.right) classes += " right";
if (cell.bottom) classes += " bottom";
if (cell.left) classes += " left";
if (cell.solution && state.showSolution) classes += " solution";
const marked = isMarked(x, y, state.userPath);
if (marked) classes += " user";
return (
<div className={styles.cell + classes}
onMouseEnter={(e) => {
const leftPressed = e.buttons & 0x1;
if (leftPressed) {
dispatch(actionClickedCell(x, y));
}
}}
onClick={() => {
dispatch(actionClickedCell(x, y));
}}>
</div>
);
}

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src/app/globals.css Normal file
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:root {
box-sizing: border-box;
--color-background: #e8e6e3;
--color-foreground: #181a1b;
--color-form-error: #ff0000;
--color-border: #5d6164;
--color-background-highlight: #f8f7f4;
--color-foreground-highlight: #292b2c;
--color-border-highlight: #6e7275;
--color-maze-background: #e8e6e3;
--color-maze-border: #333333;
--color-maze-cell-solution: #b1d5b1;
--color-maze-cell-solution-highlight: #b9e8b9;
--color-maze-cell-user: #ffcc00;
--color-maze-cell-user-highlight: #ffdd22;
}
@media (prefers-color-scheme: dark) {
:root {
--color-background: #181a1b;
--color-foreground: #e8e6e3;
--color-form-error: #ff0000;
--color-border: #5d6164;
--color-background-highlight: #292b2c;
--color-foreground-highlight: #f8f7f4;
--color-border-highlight: #6e7275;
--color-maze-background: #181a1b;
--color-maze-border: #e8e6e3;
--color-maze-cell-solution: #213d21;
--color-maze-cell-solution-highlight: #3d6e3d;
--color-maze-cell-user: #ffcc00;
--color-maze-cell-user-highlight: #ffdd22;
}
}
body {
color: var(--color-foreground);
background: var(--color-background);
font-family: "Cantarell", Arial, Helvetica, sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
input, select {
background-color: var(--color-background);
border: 1px solid var(--color-border);
color: var(--color-foreground);
}
input:hover, input:focus, select:hover, select:focus {
background-color: var(--color-background-highlight);
border-color: var(--color-border-highlight);
color: var(--color-foreground-highlight);
}

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form {
display: flex;
flex-flow: column;
align-items: center;
}
input, select {
background-color: var(--color-background);
border: 1px solid var(--color-border);
color: var(--color-foreground);
}
input:hover, input:focus, select:hover, select:focus {
background-color: var(--color-background-highlight);
border-color: var(--color-border-highlight);
color: var(--color-foreground-highlight);
}
input:invalid {
border-color: var(--color-form-error);
}

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src/app/input-form.module.css Normal file
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.inputform {
display: grid;
grid-row-gap: 0.5em;
grid-template-columns: 7em 14em auto;
}
.submitbutton {
background-color: #fc0;
border: 1px solid var(--color-foreground);
padding: 0.5em;
border-radius: 0.5em;
margin-top: 2em;
width: 11em;
}

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src/app/input-form.tsx Normal file
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import {ActionDispatch, FormEvent, useState} from 'react';
import ValidatingInputNumberField, {ValidatorFunction} from "./validating-input-number-field.tsx";
import {Action, actionLoadedMaze, actionLoadingFailed, actionStartedLoading} from "./state/action.ts";
import styles from "./input-form.module.css";
import "./input-form.css";
import {State} from "@/app/state/state.ts";
export default function InputForm({state, dispatch}: {
state: State,
dispatch: ActionDispatch<[Action]>
}) {
const [width, setWidth] = useState(10);
const [height, setHeight] = useState(10);
const [id, setId] = useState<number>();
const [algorithm, setAlgorithm] = useState('wilson');
const handleSubmit = (e: FormEvent) => {
e.preventDefault();
dispatch(actionStartedLoading());
const url = `https://manuel.friedli.info/labyrinth/create/json?w=${width}&h=${height}&id=${id || ''}&algorithm=${algorithm}`;
fetch(url)
.then(response => response.json())
// .then(result => new Promise(resolve => setTimeout(resolve, 600, result)))
.then(result => {
dispatch(actionLoadedMaze(result));
})
.catch(reason => {
console.error("Failed to fetch maze data.", reason);
dispatch(actionLoadingFailed(reason));
});
};
const validateWidthHeightInput: ValidatorFunction<string, number> = value => {
const numberValue = Number(value);
if (isNaN(numberValue) || "" === value || (Math.floor(numberValue) !== numberValue)) {
return {
valid: false,
message: "Must be an integer greater than 1."
};
}
if (numberValue < 1) {
return {
valid: false,
message: "Must be greater than 1."
};
}
return {
valid: true,
value: numberValue
};
};
const validateIdInput: ValidatorFunction<string, number> = value => {
if ("" === value) {
return {
valid: true
};
}
const numberValue = Number(value);
// FIXME doesn't handle strings with characters correctly (e.g. "asdf" yields an empty value, due to "type=number").
if (isNaN(numberValue) || Math.floor(numberValue) !== numberValue) {
return {
valid: false,
message: "Must be empty or an integer"
};
}
return {
valid: true,
value: numberValue
}
};
return (
<form onSubmit={handleSubmit}>
<div className={styles.inputform}>
<ValidatingInputNumberField id={"width"}
label={"Width"}
value={width}
constraints={{
min: 2
}}
validatorFn={validateWidthHeightInput}
disabled={state.loading}
onChange={setWidth}
/>
<ValidatingInputNumberField id={"height"}
label={"Height"}
value={height}
constraints={{
min: 2
}}
validatorFn={validateWidthHeightInput}
disabled={state.loading}
onChange={setHeight}
/>
<ValidatingInputNumberField id={"id"}
label={"ID (optional)"}
value={id}
validatorFn={validateIdInput}
disabled={state.loading}
onChange={setId}
/>
<label htmlFor="algorithm">Algorithm:</label>
<select id={"algorithm"}
value={algorithm}
disabled={state.loading}
onChange={e => setAlgorithm(e.target.value)}>
<option value="wilson">Wilson</option>
<option value="random">Random Depth First</option>
</select>
</div>
<button type={"submit"}
disabled={state.loading
|| isNaN(width)
|| isNaN(height)
}
className={styles.submitbutton}>{state.loading ? "Loading ..." : "Create Maze!"}
</button>
</form>
);
}

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import type {Metadata} from "next";
import "./globals.css";
export const metadata: Metadata = {
title: "A-Maze-R! Create your own Maze!",
description: "A Maze Generator by fritteli",
};
export default function RootLayout({children}: Readonly<{
children: React.ReactNode;
}>) {
return (
<html lang="en">
<body>
{children}
</body>
</html>
);
}

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src/app/maze.module.css Normal file
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.maze {
display: table;
border-collapse: collapse;
background-color: var(--color-maze-background);
}
.row {
display: table-row;
margin: 0;
padding: 0;
}

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src/app/maze.tsx Normal file
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import Cell from "./cell.tsx";
import styles from "./maze.module.css";
import {State} from "@/app/state/state.ts";
import {ActionDispatch, JSX} from "react";
import {Action} from "@/app/state/action.ts";
export default function Maze({state, dispatch}:
{
state: State,
dispatch: ActionDispatch<[Action]>
}) {
if (!state.maze) {
return <div>No valid maze.</div>
}
const maze: JSX.Element[] = [];
for (let y = 0; y < state.maze.height; y++) {
const row: JSX.Element[] = [];
for (let x = 0; x < state.maze.width; x++) {
row.push(<Cell key={`${x}x${y}`} x={x} y={y} state={state} dispatch={dispatch}/>)
}
maze.push(<div key={`r${y}`} className={styles.row}>{row}</div>);
}
return (
<div className={styles.maze}>
{maze}
</div>
);
}

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src/app/message-banner.module.css Normal file
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.banner {
height: 2em;
}
.empty {
}
.message {
border: 1px solid red;
background-color: #ff000044;
}

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src/app/message-banner.tsx Normal file
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import {Action, actionClosedMessageBanner} from "./state/action.ts";
import styles from "./message-banner.module.css";
import {State} from "@/app/state/state.ts";
import {ActionDispatch} from "react";
export default function MessageBanner({state, dispatch}:
{
state: State;
dispatch: ActionDispatch<[Action]>
}) {
function handleClose() {
dispatch(actionClosedMessageBanner());
}
if (!!state.errorMessage) {
return (
<div className={styles.banner + " " + styles.message}>
{state.errorMessage}
<button onClick={handleClose}>Dismiss message</button>
</div>
);
}
return (<div className={styles.banner + " " + styles.empty}></div>);
}

0
src/model/Coordinates.ts → src/app/model/coordinates.ts
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3
src/model/Maze.ts → src/app/model/maze.ts
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@ -1,4 +1,4 @@
import Coordinates from "./Coordinates"; import Coordinates from "./coordinates.ts";
export default interface Maze { export default interface Maze {
id: string, id: string,
@ -6,6 +6,7 @@ export default interface Maze {
height: number, height: number,
start: Coordinates, start: Coordinates,
end: Coordinates, end: Coordinates,
algorithm: string,
grid: MazeCell[][] grid: MazeCell[][]
} }

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src/app/page.module.css Normal file
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.page {
}
.page h1.mainheading, .page h2.mainheading {
text-align: center;
}
.page h2.mainheading {
font-size: medium;
}
/*.page {*/
/* --gray-rgb: 0, 0, 0;*/
/* --gray-alpha-200: rgba(var(--gray-rgb), 0.08);*/
/* --gray-alpha-100: rgba(var(--gray-rgb), 0.05);*/
/* --button-primary-hover: #383838;*/
/* --button-secondary-hover: #f2f2f2;*/
/* display: grid;*/
/* grid-template-rows: 20px 1fr 20px;*/
/* align-items: center;*/
/* justify-items: center;*/
/* min-height: 100svh;*/
/* padding: 80px;*/
/* gap: 64px;*/
/* font-family: var(--font-geist-sans);*/
/*}*/
/*@media (prefers-color-scheme: dark) {*/
/* .page {*/
/* --gray-rgb: 255, 255, 255;*/
/* --gray-alpha-200: rgba(var(--gray-rgb), 0.145);*/
/* --gray-alpha-100: rgba(var(--gray-rgb), 0.06);*/
/* --button-primary-hover: #ccc;*/
/* --button-secondary-hover: #1a1a1a;*/
/* }*/
/*}*/
/*.main {*/
/* display: flex;*/
/* flex-direction: column;*/
/* gap: 32px;*/
/* grid-row-start: 2;*/
/*}*/
/*.main ol {*/
/* font-family: var(--font-geist-mono);*/
/* padding-left: 0;*/
/* margin: 0;*/
/* font-size: 14px;*/
/* line-height: 24px;*/
/* letter-spacing: -0.01em;*/
/* list-style-position: inside;*/
/*}*/
/*.main li:not(:last-of-type) {*/
/* margin-bottom: 8px;*/
/*}*/
/*.main code {*/
/* font-family: inherit;*/
/* background: var(--gray-alpha-100);*/
/* padding: 2px 4px;*/
/* border-radius: 4px;*/
/* font-weight: 600;*/
/*}*/
/*.ctas {*/
/* display: flex;*/
/* gap: 16px;*/
/*}*/
/*.ctas a {*/
/* appearance: none;*/
/* border-radius: 128px;*/
/* height: 48px;*/
/* padding: 0 20px;*/
/* border: none;*/
/* border: 1px solid transparent;*/
/* transition:*/
/* background 0.2s,*/
/* color 0.2s,*/
/* border-color 0.2s;*/
/* cursor: pointer;*/
/* display: flex;*/
/* align-items: center;*/
/* justify-content: center;*/
/* font-size: 16px;*/
/* line-height: 20px;*/
/* font-weight: 500;*/
/*}*/
/*a.primary {*/
/* background: var(--foreground);*/
/* color: var(--background);*/
/* gap: 8px;*/
/*}*/
/*a.secondary {*/
/* border-color: var(--gray-alpha-200);*/
/* min-width: 180px;*/
/*}*/
/*.footer {*/
/* grid-row-start: 3;*/
/* display: flex;*/
/* gap: 24px;*/
/*}*/
/*.footer a {*/
/* display: flex;*/
/* align-items: center;*/
/* gap: 8px;*/
/*}*/
/*.footer img {*/
/* flex-shrink: 0;*/
/*}*/
/*!* Enable hover only on non-touch devices *!*/
/*@media (hover: hover) and (pointer: fine) {*/
/* a.primary:hover {*/
/* background: var(--button-primary-hover);*/
/* border-color: transparent;*/
/* }*/
/* a.secondary:hover {*/
/* background: var(--button-secondary-hover);*/
/* border-color: transparent;*/
/* }*/
/* .footer a:hover {*/
/* text-decoration: underline;*/
/* text-underline-offset: 4px;*/
/* }*/
/*}*/
/*@media (max-width: 600px) {*/
/* .page {*/
/* padding: 32px;*/
/* padding-bottom: 80px;*/
/* }*/
/* .main {*/
/* align-items: center;*/
/* }*/
/* .main ol {*/
/* text-align: center;*/
/* }*/
/* .ctas {*/
/* flex-direction: column;*/
/* }*/
/* .ctas a {*/
/* font-size: 14px;*/
/* height: 40px;*/
/* padding: 0 16px;*/
/* }*/
/* a.secondary {*/
/* min-width: auto;*/
/* }*/
/* .footer {*/
/* flex-wrap: wrap;*/
/* align-items: center;*/
/* justify-content: center;*/
/* }*/
/*}*/
/*@media (prefers-color-scheme: dark) {*/
/* .logo {*/
/* filter: invert();*/
/* }*/
/*}*/

28
src/App.tsx → src/app/page.tsx
View file

@ -1,23 +1,29 @@
import {useReducer} from 'react'; 'use client'
import Maze from "./Maze.tsx";
import InputForm from "./InputForm.tsx";
import reduce from "./state/reducer.ts";
import MessageBanner from "./MessageBanner.tsx";
import {INITIAL_STATE} from "./state/state.ts";
import {actionToggledShowSolution} from "./state/action.ts";
export default function App() { import styles from "./page.module.css";
import {useReducer} from "react";
import reduce from "./state/reducer.ts";
import {INITIAL_STATE} from "./state/state.ts";
import MessageBanner from "./message-banner.tsx";
import InputForm from "./input-form.tsx";
import {actionToggledShowSolution} from "./state/action.ts";
import Maze from "./maze.tsx";
export default function Home() {
const [state, dispatch] = useReducer(reduce, INITIAL_STATE); const [state, dispatch] = useReducer(reduce, INITIAL_STATE);
const hasValidMaze = !!state.maze; const hasValidMaze = !!state.maze;
return ( return (
<> <div className={styles.page}>
<h1 className={styles.mainheading}>A-Maze-R! Create your own maze!</h1>
<h2 className={styles.mainheading}>A fun little maze generator written by fritteli</h2>
<MessageBanner state={state} <MessageBanner state={state}
dispatch={dispatch}/> dispatch={dispatch}/>
<InputForm state={state} <InputForm state={state}
dispatch={dispatch}/> dispatch={dispatch}/>
{hasValidMaze && {hasValidMaze &&
<> <>
<h1>The Maze ({state.maze.width}x{state.maze.height}, ID: {state.maze.id})</h1> <h1>The Maze ({state.maze!.width}x{state.maze!.height}, Algorithm: {state.maze!.algorithm},
ID: {state.maze!.id})</h1>
<input type={"checkbox"} <input type={"checkbox"}
onChange={(e) => { onChange={(e) => {
dispatch(actionToggledShowSolution(e.target.checked)); dispatch(actionToggledShowSolution(e.target.checked));
@ -27,6 +33,6 @@ export default function App() {
dispatch={dispatch}/> dispatch={dispatch}/>
</> </>
} }
</> </div>
); );
} }

4
src/state/action.ts → src/app/state/action.ts
View file

@ -1,9 +1,9 @@
import Maze from "../model/Maze"; import Maze from "../model/maze.ts";
export interface Action { export interface Action {
type: string, type: string,
[key: string]: any [key: string]: boolean | number | string | object | null | undefined;
} }
export const ID_ACTION_STARTED_LOADING = 'started_loading'; export const ID_ACTION_STARTED_LOADING = 'started_loading';

9
src/state/reducer.ts → src/app/state/reducer.ts
View file

@ -9,8 +9,9 @@ import {
ID_ACTION_STARTED_LOADING, ID_ACTION_STARTED_LOADING,
ID_ACTION_TOGGLED_SHOW_SOLUTION ID_ACTION_TOGGLED_SHOW_SOLUTION
} from "./action.ts"; } from "./action.ts";
import Maze from "@/app/model/maze.ts";
export default function reduce(state: State, action: Action) { export default function reduce(state: State, action: Action): State {
switch (action.type) { switch (action.type) {
case ID_ACTION_STARTED_LOADING: { case ID_ACTION_STARTED_LOADING: {
return { return {
@ -24,7 +25,7 @@ export default function reduce(state: State, action: Action) {
return { return {
...state, ...state,
loading: false, loading: false,
maze: action.maze, maze: action.maze as Maze,
userPath: [] userPath: []
} }
} }
@ -38,7 +39,7 @@ export default function reduce(state: State, action: Action) {
case ID_ACTION_TOGGLED_SHOW_SOLUTION: { case ID_ACTION_TOGGLED_SHOW_SOLUTION: {
return { return {
...state, ...state,
showSolution: action.value showSolution: action.value as boolean
} }
} }
case ID_ACTION_CLOSED_MESSAGE_BANNER: { case ID_ACTION_CLOSED_MESSAGE_BANNER: {
@ -49,7 +50,7 @@ export default function reduce(state: State, action: Action) {
} }
case ID_ACTION_CLICKED_CELL: { case ID_ACTION_CLICKED_CELL: {
// There's so much logic involved, externalize that into its own file. // There's so much logic involved, externalize that into its own file.
return handleUserClicked(state, action.x, action.y); return handleUserClicked(state, action.x as number, action.y as number);
} }
default: { default: {
throw new Error(`Unknown action: ${action.type}`); throw new Error(`Unknown action: ${action.type}`);

4
src/state/state.ts → src/app/state/state.ts
View file

@ -1,5 +1,5 @@
import Coordinates from "../model/Coordinates"; import Coordinates from "../model/coordinates.ts";
import Maze from "../model/Maze"; import Maze from "../model/maze.ts";
export interface State { export interface State {
errorMessage: string | null, errorMessage: string | null,

13
src/state/userpathhandler.ts → src/app/state/userpathhandler.ts
View file

@ -1,15 +1,16 @@
import {State} from "./state"; import {State} from "./state";
import Coordinates from "../model/Coordinates"; import Coordinates from "../model/coordinates.ts";
import {MazeCell} from "../model/Maze"; import {MazeCell} from "../model/maze.ts";
export default function handleUserClicked(state: State, x: number, y: number): State { export default function handleUserClicked(state: State, x: number, y: number): State {
if (isClickAllowed(x, y, state)) { if (isClickAllowed(x, y, state)) {
const maze = state.maze!;
// Okay, we clicked a cell that's adjacent to the end of the userpath (or which IS the end of the userpath) // Okay, we clicked a cell that's adjacent to the end of the userpath (or which IS the end of the userpath)
// and that's not blocked by a wall. Now let's see. // and that's not blocked by a wall. Now let's see.
if (-1 === state.userPath.findIndex(step => step.x === x && step.y === y)) { if (-1 === state.userPath.findIndex(step => step.x === x && step.y === y)) {
// The clicked cell is not yet part of the userpath --> add it. // The clicked cell is not yet part of the userpath --> add it.
// If it's the end tile, also show a congratulation message // If it's the end tile, also show a congratulation message
const showMessage = x === state.maze.end.x && y === state.maze.end.y; const showMessage = x === maze.end.x && y === maze.end.y;
return { return {
...state, ...state,
userPath: [...state.userPath, {x, y}], userPath: [...state.userPath, {x, y}],
@ -17,7 +18,7 @@ export default function handleUserClicked(state: State, x: number, y: number): S
}; };
} else { } else {
// The clicked cell IS part of the userpath. Is it the last cell of it? // The clicked cell IS part of the userpath. Is it the last cell of it?
const lastCoordsFromUserPath = getLastCoordsFromUserPath(state); const lastCoordsFromUserPath = getLastCoordsFromUserPath(state)!;
if (lastCoordsFromUserPath.x === x && lastCoordsFromUserPath.y === y) { if (lastCoordsFromUserPath.x === x && lastCoordsFromUserPath.y === y) {
// Yes, it's the last cell of the userpath --> remove it. // Yes, it's the last cell of the userpath --> remove it.
return { return {
@ -36,7 +37,7 @@ function isClickAllowed(x: number, y: number, state: State): boolean {
const lastCoordsFromUserPath = getLastCoordsFromUserPath(state); const lastCoordsFromUserPath = getLastCoordsFromUserPath(state);
if (!lastCoordsFromUserPath) { if (!lastCoordsFromUserPath) {
// when nothing has been marked yet, we can only toggle the starting position // when nothing has been marked yet, we can only toggle the starting position
return x === state.maze.start.x && y === state.maze.start.y; return x === state.maze!.start.x && y === state.maze!.start.y;
} }
if (lastCoordsFromUserPath.x === x && lastCoordsFromUserPath.y === y) { if (lastCoordsFromUserPath.x === x && lastCoordsFromUserPath.y === y) {
// toggling the last position in the path is always allowed // toggling the last position in the path is always allowed
@ -70,7 +71,7 @@ function isClickAllowed(x: number, y: number, state: State): boolean {
} }
function getCellAt(coords: Coordinates, state: State): MazeCell { function getCellAt(coords: Coordinates, state: State): MazeCell {
return state.maze.grid[coords.y][coords.x]; return state.maze!.grid[coords.y][coords.x];
} }
function getLastCoordsFromUserPath(state: State): Coordinates | null { function getLastCoordsFromUserPath(state: State): Coordinates | null {

60
src/app/validating-input-number-field.tsx Normal file
View file

@ -0,0 +1,60 @@
import React, {ChangeEventHandler, useState} from 'react';
export default function ValidatingInputNumberField({
id,
label,
value = 0,
constraints = undefined,
validatorFn = (value) => {
return {valid: true, value: Number(value)};
},
disabled = false,
onChange = () => {
}
}:
{
id: string;
label: string;
value?: number;
constraints?: { min?: number; max?: number; };
validatorFn: ValidatorFunction<string, number>;
disabled: boolean;
onChange: (v: number) => void;
}) {
const [error, setError] = useState<string>();
const handleValueChange: ChangeEventHandler<HTMLInputElement> = (e) => {
const value = e.target.value;
const validation = validatorFn(value);
if (!validation.valid) {
setError(validation.message);
} else {
setError(undefined);
}
if (validation.value) {
onChange(validation.value);
}
};
return (
<>
<label htmlFor={id}>{label}: </label>
<input id={id}
type={"number"}
onChange={handleValueChange}
value={value || ""}
min={constraints?.min}
max={constraints?.max}
disabled={disabled}
/>
<span>{error}</span>
</>
);
}
export interface Validation<T> {
valid: boolean;
message?: string;
value?: T;
}
export type ValidatorFunction<I, T> = (v: I) => Validation<T>;

52
src/createServiceWorker.js
View file

@ -1,52 +0,0 @@
// In production, we register a service worker to serve assets from local cache.
// This lets the app load faster on subsequent visits in production, and gives
// it offline capabilities. However, it also means that developers (and users)
// will only see deployed updates on the "N+1" visit to a page, since previously
// cached resources are updated in the background.
// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
// This link also includes instructions on opting out of this behavior.
export default function register() {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
window.addEventListener('load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
navigator.serviceWorker
.register(swUrl)
.then(registration => {
// eslint-disable-next-line no-param-reassign
registration.onupdatefound = () => {
const installingWorker = registration.installing;
installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) {
// At this point, the old content will have been purged and
// the fresh content will have been added to the cache.
// It's the perfect time to display a "New content is
// available; please refresh." message in your web app.
console.log('New content is available; please refresh.'); // eslint-disable-line no-console
} else {
// At this point, everything has been precached.
// It's the perfect time to display a
// "Content is cached for offline use." message.
console.log('Content is cached for offline use.'); // eslint-disable-line no-console
}
}
};
};
})
.catch(error => {
console.error('Error during service worker registration:', error);
});
});
}
}
export function unregister() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready.then(registration => {
registration.unregister();
});
}
}

12
src/index.tsx
View file

@ -1,12 +0,0 @@
import {StrictMode} from "react";
import {createRoot, Root} from "react-dom/client";
import "./styles.css";
import App from "./App.tsx";
const root: Root = createRoot(document.getElementById("root"));
root.render(
<StrictMode>
<App/>
</StrictMode>
);

9
src/package.json
View file

@ -1,9 +0,0 @@
{
"dependencies": {
"react": "^18.0.0",
"react-dom": "^18.0.0",
"react-scripts": "^5.0.0"
},
"main": "/index.js",
"devDependencies": {}
}

11
src/public/index.html
View file

@ -1,11 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>A-Maze-R</title>
</head>
<body>
<div id="root"></div>
</body>
</html>

151
src/styles.css
View file

@ -1,151 +0,0 @@
* {
box-sizing: border-box;
}
div.maze {
display: table;
border-collapse: collapse;
}
div.row {
display: table-row;
margin: 0;
padding: 0;
}
div.cell {
display: table-cell;
border: 1px solid transparent;
height: 2em;
width: 2em;
padding: 0;
}
div.cell.solution {
background-color: lightgray;
}
div.cell.top {
border-top-color: #000;
}
div.cell.right {
border-right-color: #000;
}
div.cell.bottom {
border-bottom-color: #000;
}
div.cell.left {
border-left-color: #000;
}
div.cell.user {
background-color: hotpink;
}
div.cell.user2 {
border-radius: 0.5em;
}
div.cell.solution.user {
background-color: darkred;
}
div.message-banner {
border: 1px solid red;
background-color: #ff000044;
}
input:invalid {
border-color: #f00;
}
body {
font-family: sans-serif;
margin: 20px;
padding: 0;
}
h1 {
margin-top: 0;
font-size: 22px;
}
h2 {
margin-top: 0;
font-size: 20px;
}
h3 {
margin-top: 0;
font-size: 18px;
}
h4 {
margin-top: 0;
font-size: 16px;
}
h5 {
margin-top: 0;
font-size: 14px;
}
h6 {
margin-top: 0;
font-size: 12px;
}
code {
font-size: 1.2em;
}
ul {
padding-left: 20px;
}
* {
box-sizing: border-box;
}
body {
font-family: sans-serif;
margin: 20px;
padding: 0;
}
.square {
background: #fff;
border: 1px solid #999;
float: left;
font-size: 24px;
font-weight: bold;
line-height: 34px;
height: 34px;
margin-right: -1px;
margin-top: -1px;
padding: 0;
text-align: center;
width: 34px;
}
.board-row:after {
clear: both;
content: '';
display: table;
}
.status {
margin-bottom: 10px;
}
.game {
display: flex;
flex-direction: row;
}
.game-info {
margin-left: 20px;
}

31
tsconfig.json Normal file
View file

@ -0,0 +1,31 @@
{
"compilerOptions": {
"target": "ES2017",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"allowImportingTsExtensions": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "preserve",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./src/*"]
}
},
"include": [
"next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
"exclude": [
"a-maze-r/node_modules"
]
}