mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-12-12 14:10:02 +08:00
103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
import xterm from 'https://cdn.jsdelivr.net/npm/xterm@4.18.0/+esm'
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import xterm_addon_webgl from 'https://cdn.jsdelivr.net/npm/xterm-addon-webgl@0.11.4/+esm'
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import xterm_addon_fit from 'https://cdn.jsdelivr.net/npm/xterm-addon-fit@0.5.0/+esm'
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// Add COOP/COEP via a ServiceWorker to use SharedArrayBuffer
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if ("serviceWorker" in navigator && !window.crossOriginIsolated) {
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const url_sw = new URL("./sw.js", location.href);
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const registration = await navigator.serviceWorker.register(url_sw);
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if (registration.active && !navigator.serviceWorker.controller) {
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window.location.reload(); // Reload to ensure the COOP/COEP headers are set.
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}
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}
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const example_list = "@EXAMPLES@".split(";");
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const url_search_params = new URLSearchParams(window.location.search);
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const select = document.getElementById("selectExample");
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for(const example of example_list) {
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const option = document.createElement("option");
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option.textContent = example;
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option.value = example;
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select.appendChild(option);
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}
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const example = url_search_params.get("file") || "dom/color_gallery";
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select.selectedIndex = example_list.findIndex(path => path == example) || 0;
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select.addEventListener("change", () => {
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history.pushState({}, "", "?file=" + example_list[select.selectedIndex]);
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location.reload();
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});
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const term_element = document.querySelector('#terminal');
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const term = new xterm.Terminal();
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term.options.scrollback = 0;
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term.open(term_element);
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const fit_addon = new xterm_addon_fit.FitAddon();
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const webgl_addon = new xterm_addon_webgl.WebglAddon();
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term.loadAddon(webgl_addon);
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term.loadAddon(fit_addon);
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const stdin_buffer = [];
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const stdout_buffer = [];
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const stderr_buffer = [];
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const stdin = () => {
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return stdin_buffer.shift() || 0;
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}
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const stdout = code => {
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if (code == 0) {
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term.write(new Uint8Array(stdout_buffer));
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stdout_buffer.length = 0;
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} else {
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stdout_buffer.push(code)
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}
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}
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const stderr = code => {
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if (code == 0 || code == 10) {
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console.error(String.fromCodePoint(...stderr_buffer));
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stderr_buffer = [];
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} else {
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stderr_buffer.push(code)
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}
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}
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const onBinary = e => {
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for(const c of e)
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stdin_buffer.push(c.charCodeAt(0));
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}
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term.onBinary(onBinary);
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term.onData(onBinary)
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term.resize(140,43);
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window.Module = {
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preRun: () => {
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FS.init(stdin, stdout, stderr);
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},
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postRun: [],
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onRuntimeInitialized: () => {
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if (window.Module._ftxui_on_resize == undefined)
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return;
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fit_addon.fit();
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const resize_handler = () => {
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const {cols, rows} = fit_addon.proposeDimensions();
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term.resize(cols, rows);
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window.Module._ftxui_on_resize(cols, rows);
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fit_addon.fit();
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};
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const resize_observer = new ResizeObserver(resize_handler);
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resize_observer.observe(term_element);
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resize_handler();
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// Disable scrollbar
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//term.write('\x1b[?47h')
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},
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};
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const words = example.split('/')
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words[1] = "ftxui_example_" + words[1] + ".js"
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document.querySelector("#example_script").src = words.join('/');
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