a2s.su/app/app.js

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JavaScript
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import { routes } from './routes.js';
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let DEBUG = false;
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window.DEBUG = DEBUG;
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let SERVER_HOST;
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if (DEBUG) SERVER_HOST = 'http://localhost:50009';
else SERVER_HOST = 'https://a2s.su';
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window.SERVER_HOST = SERVER_HOST;
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/* main */
window.onload = function () {
let app = document.documentElement;
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if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
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switch_theme('dark');
} else {
switch_theme('light');
}
// theme switcher
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document.getElementById('app_theme_switcher').addEventListener('click', switch_theme, false);
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// routes handler
document.addEventListener('click', (e) => {
const { target } = e;
if (!target.matches('nav a')) {
return;
}
e.preventDefault();
route();
});
window.onpopstate = location_handler;
window.route = route;
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location_handler();
};
/* Изменяет тему приложения */
function switch_theme() {
let app = document.documentElement;
let theme = app.getAttribute('data-bs-theme');
let theme_switcher = document.getElementById('app_theme_switcher');
let theme_icon = {
dark: '☀️',
light: '🌙',
};
if (theme == 'auto' || theme == 'light') {
theme_switcher.innerText = theme_icon['dark'];
app.setAttribute('data-bs-theme', 'dark');
} else {
theme_switcher.innerText = theme_icon['light'];
app.setAttribute('data-bs-theme', 'light');
}
}
const route = (event) => {
event = event || window.event; // get window.event if event argument not provided
event.preventDefault();
// window.history.pushState(state, unused, target link);
window.history.pushState({}, '', event.target.href);
location_handler();
};
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const location_handler = async () => {
const url = window.location.pathname;
let location;
if (url == 0 || url == '/') {
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location = '/';
} else {
location = url.slice(1);
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}
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const route = routes[location] || routes['404'];
const html = await fetch(route.template).then((response) => response.text());
document.getElementById('content').innerHTML = html;
document.title = route.title;
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document.querySelector('meta[name="description"]').setAttribute('content', route.description);
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if (route.script) {
const route_script = document.getElementById('content').querySelector('script');
let autorun_script = document.querySelector('#autorun');
// инициализирует новый блок кода
autorun_script.remove();
autorun_script = document.createElement('script');
autorun_script.setAttribute('type', 'module');
autorun_script.setAttribute('id', 'autorun');
autorun_script.innerHTML = route_script.innerHTML;
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// удаляет скрипт из загруженной страницы и запускает новый
route_script.remove();
document.body.append(autorun_script);
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} else {
document.querySelector('#autorun').innerHTML = '';
}
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};
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function get_from_api(callback, api_method = '', params = {}) {
if (api_method == '') {
console.log('wrong method');
} else {
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let url = `${SERVER_HOST}/api/v1.0/${api_method}`;
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let opts = {
method: 'get',
headers: {
'Content-Type': 'application/json',
},
};
fetch(url, opts)
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.then((response) => {
return response.json();
})
.then((data) => {
callback(data);
})
.catch((err) => console.warn('Something went wrong.', err));
}
}
window.get_from_api = get_from_api;