1 function team_symbol(team) {
8 function undisplay(element) {
9 element.style.display="none";
12 function add_message(severity, message) {
13 message = `<div class="message ${severity}" onclick="undisplay(this)">
14 <span class="hide-button" onclick="undisplay(this.parentElement)">×</span>
17 const message_area = document.getElementById('message-area');
18 message_area.insertAdjacentHTML('beforeend', message);
21 /*********************************************************
22 * Handling server-sent event stream *
23 *********************************************************/
25 const events = new EventSource("events");
27 events.onerror = function(event) {
28 if (event.target.readyState === EventSource.CLOSED) {
30 add_message("danger", "Connection to server lost.");
35 events.addEventListener("game-info", event => {
36 const info = JSON.parse(event.data);
38 window.game.set_game_info(info);
41 events.addEventListener("player-info", event => {
42 const info = JSON.parse(event.data);
44 window.game.set_player_info(info);
47 events.addEventListener("player-enter", event => {
48 const info = JSON.parse(event.data);
50 window.game.set_other_player_info(info);
53 events.addEventListener("player-update", event => {
54 const info = JSON.parse(event.data);
56 if (info.id === window.game.state.player_info.id)
57 window.game.set_player_info(info);
59 window.game.set_other_player_info(info);
62 events.addEventListener("move", event => {
63 const move = JSON.parse(event.data);
65 window.game.receive_move(move);
68 events.addEventListener("game-state", event => {
69 const state = JSON.parse(event.data);
71 window.game.reset_board();
73 for (let square of state.moves) {
74 window.game.receive_move(square);
78 /*********************************************************
79 * Game and supporting classes *
80 *********************************************************/
82 const scribe_glyphs = [
199 function copy_to_clipboard(id)
201 const tmp = document.createElement("input");
202 tmp.setAttribute("value", document.getElementById(id).innerHTML);
203 document.body.appendChild(tmp);
205 document.execCommand("copy");
206 document.body.removeChild(tmp);
209 function GameInfo(props) {
214 <div className="game-info">
215 <span className="game-id">{props.id}</span>
217 Share this link to invite a friend:{" "}
218 <span id="game-share-url">{props.url}</span>
222 onClick={() => copy_to_clipboard('game-share-url')}
228 function TeamButton(props) {
229 return <button className="inline"
230 onClick={() => props.game.join_team(props.team)}>
235 function TeamChoices(props) {
237 if (props.player.team === "+")
242 if (props.player.team === "") {
243 if (props.first_move) {
247 <TeamButton key="+" game={props.game} team="+" label="Join 🞥" />,
249 <TeamButton key="o" game={props.game} team="o" label="Join 🞇" />
253 return <TeamButton game={props.game} team={other_team} label="Switch" />;
257 function PlayerInfo(props) {
258 if (! props.player.id)
261 const choices = <TeamChoices
263 first_move={props.first_move}
264 player={props.player}
268 <div className="player-info">
269 <span className="players-header">Players: </span>
271 {props.player.team ? ` (${props.player.team})` : ""}
272 {props.first_move ? "" : " "}
274 {props.other_players.map(other => (
275 <span key={other.id}>
278 {other.team ? ` (${other.team})` : ""}
285 function Glyph(props) {
287 const glyph_dots = [];
290 for (let i = 0; i < 9; i++) {
291 if (props.squares[i])
295 const height = Math.floor(20 * (Math.floor(last_square / 3) + 1));
297 const viewbox=`0 0 60 ${height}`;
299 for (let row = 0; row < 3; row++) {
300 for (let col = 0; col < 3; col++) {
301 if (props.squares[3 * row + col]) {
302 let cy = 10 + 20 * row;
303 let cx = 10 + 20 * col;
316 return (<div className="glyph-and-name">
318 <div className="glyph">
319 <svg viewBox={viewbox}>
329 function Square(props) {
330 let className = "square";
333 className += " occupied";
334 } else if (props.active) {
335 className += " open";
338 const onClick = props.active ? props.onClick : null;
341 <div className={className}
348 function MiniGrid(props) {
349 function grid_square(j) {
350 const value = props.squares[j];
354 active={props.active}
355 onClick={() => props.onClick(j)}
361 <div className="mini-grid">
375 class Board extends React.Component {
377 const squares = this.props.squares[i];
381 active={this.props.active}
382 onClick={(j) => this.props.onClick(i,j)}
389 <div className="board-container">
390 <div className="board">
406 function fetch_method_json(method, api = '', data = {}) {
407 const response = fetch(api, {
410 'Content-Type': 'application/json'
412 body: JSON.stringify(data)
417 function fetch_post_json(api = '', data = {}) {
418 return fetch_method_json('POST', api, data);
421 async function fetch_put_json(api = '', data = {}) {
422 return fetch_method_json('PUT', api, data);
425 class Game extends React.Component {
432 squares: [...Array(9)].map(() => Array(9).fill(null)),
438 set_game_info(info) {
444 set_player_info(info) {
450 set_other_player_info(info) {
451 const other_players_copy = [...this.state.other_players];
452 const idx = other_players_copy.findIndex(o => o.id === info.id);
454 other_players_copy[idx] = info;
456 other_players_copy.push(info);
459 other_players: other_players_copy
470 if (this.state.moves === 81) {
473 const symbol = team_symbol(this.state.next_to_play);
474 const new_squares = this.state.squares.map(arr => arr.slice());
475 new_squares[move[0]][move[1]] = symbol;
477 if (this.state.next_to_play === "+")
482 squares: new_squares,
483 moves: this.state.moves + 1,
484 next_to_play: next_to_play
488 async handle_click(i, j, first_move) {
493 move.assert_first_move = true;
495 const response = await fetch_post_json("move", move);
496 if (response.status == 200) {
497 const result = await response.json();
499 add_message("danger", result.message);
501 add_message("danger", `Error occurred sending move`);
506 fetch_put_json("player", {team: team});
510 const state = this.state;
511 const first_move = state.moves === 0;
512 const my_team = state.player_info.team;
516 if (this.state.moves.length === 81)
518 status = "Game over";
519 board_active = false;
523 if (state.other_players.length == 0) {
524 status = "You can move or wait for another player to join.";
527 if (state.other_players.length == 1) {
528 qualifier = "Either";
532 status = `${qualifier} player can make the first move.`;
536 else if (my_team === "")
538 status = "You're just watching the game.";
539 board_active = false;
541 else if (my_team === state.next_to_play)
543 status = "Your turn. Make a move.";
548 status = "Waiting for another player to ";
549 if (state.other_players.length == 0) {
554 board_active = false;
560 id={state.game_info.id}
561 url={state.game_info.url}
566 first_move={first_move}
567 player={state.player_info}
568 other_players={state.other_players}
570 <div key="game" className="game">
572 <div className="game-board">
574 active={board_active}
575 squares={state.squares}
576 onClick={(i,j) => this.handle_click(i, j, first_move)}
580 <div key="glyphs" className="glyphs">
582 scribe_glyphs.map(glyph => {
587 squares={glyph.squares}
597 ReactDOM.render(<Game
598 ref={(me) => window.game = me}
599 />, document.getElementById("scribe"));