function undisplay(element) {
element.style.display="none";
}
function add_message(severity, message) {
message = `
×
${message}
`;
const message_area = document.getElementById('message-area');
message_area.insertAdjacentHTML('beforeend', message);
}
/*********************************************************
* Handling server-sent event stream *
*********************************************************/
const events = new EventSource("events");
events.onerror = function(event) {
if (event.target.readyState === EventSource.CLOSED) {
setTimeout(() => {
add_message("danger", "Connection to server lost.");
}, 1000);
}
};
events.addEventListener("game-info", event => {
const info = JSON.parse(event.data);
window.game.set_game_info(info);
});
events.addEventListener("player-info", event => {
const info = JSON.parse(event.data);
window.game.set_player_info(info);
});
events.addEventListener("player-enter", event => {
const info = JSON.parse(event.data);
window.game.set_other_player_info(info);
});
events.addEventListener("player-update", event => {
const info = JSON.parse(event.data);
if (info.id === window.game.state.player_info.id)
window.game.set_player_info(info);
else
window.game.set_other_player_info(info);
});
events.addEventListener("game-state", event => {
const state = JSON.parse(event.data);
for (let prompt of state.prompts) {
window.game.add_or_update_prompt(prompt);
}
});
events.addEventListener("prompt", event => {
const prompt = JSON.parse(event.data);
window.game.add_or_update_prompt(prompt);
});
/*********************************************************
* Game and supporting classes *
*********************************************************/
function copy_to_clipboard(id)
{
const tmp = document.createElement("input");
tmp.setAttribute("value", document.getElementById(id).innerHTML);
document.body.appendChild(tmp);
tmp.select();
document.execCommand("copy");
document.body.removeChild(tmp);
}
const GameInfo = React.memo(props => {
if (! props.id)
return null;
return (
{props.id}
{" "}
Share this link to invite friends:{" "}
{props.url}
{" "}
);
});
const PlayerInfo = React.memo(props => {
if (! props.player.id)
return null;
return (
Players:
{props.player.name}
{props.other_players.map(other => (
{", "}
{other.name}
))}
);
});
function fetch_method_json(method, api = '', data = {}) {
const response = fetch(api, {
method: method,
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
});
return response;
}
function fetch_post_json(api = '', data = {}) {
return fetch_method_json('POST', api, data);
}
async function fetch_put_json(api = '', data = {}) {
return fetch_method_json('PUT', api, data);
}
class CategoryRequest extends React.PureComponent {
constructor(props) {
super(props);
this.category = React.createRef();
this.handle_change = this.handle_change.bind(this);
this.handle_submit = this.handle_submit.bind(this);
}
handle_change(event) {
const category_input = this.category.current;
const category = category_input.value;
if (/[0-9]/.test(category))
category_input.setCustomValidity("");
}
handle_submit(event) {
const form = event.currentTarget;
const category_input = this.category.current;
const category = category_input.value;
/* Prevent the default page-changing form-submission behavior. */
event.preventDefault();
const match = category.match(/[0-9]+/);
if (match === null) {
category_input.setCustomValidity("Category must include a number");
form.reportValidity();
return;
}
fetch_post_json("prompts", {
items: parseInt(match[0], 10),
prompt: category
});
form.reset();
}
render() {
return (
Submit a Category
Suggest a category to play. Don't forget to include the
number of items for each person to submit.
);
}
}
const PromptOptions = React.memo(props => {
if (props.prompts.length === 0)
return null;
return (
Vote on Categories
Select any categories below that you'd like to play.
You can choose as many as you'd like.
{props.prompts.map(p => {
return (
);
})}
);
});
class Game extends React.PureComponent {
constructor(props) {
super(props);
this.state = {
game_info: {},
player_info: {},
other_players: [],
prompts: []
};
}
set_game_info(info) {
this.setState({
game_info: info
});
}
set_player_info(info) {
this.setState({
player_info: info
});
}
set_other_player_info(info) {
const other_players_copy = [...this.state.other_players];
const idx = other_players_copy.findIndex(o => o.id === info.id);
if (idx >= 0) {
other_players_copy[idx] = info;
} else {
other_players_copy.push(info);
}
this.setState({
other_players: other_players_copy
});
}
add_or_update_prompt(prompt) {
const prompts_copy = [...this.state.prompts];
const idx = prompts_copy.findIndex(p => p.id === prompt.id);
if (idx >= 0) {
prompts_copy[idx] = prompt;
} else {
prompts_copy.push(prompt);
}
this.setState({
prompts: prompts_copy
});
}
render() {
const state = this.state;
return [
,
,
,
,
];
}
}
ReactDOM.render( window.game = me}
/>, document.getElementById("empathy"));