65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
import "xterm";
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import "wasm_exec";
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var term = new Terminal({
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lineHeight: 1.2,
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});
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term.open(document.getElementById('terminal'));
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function startSession(term) {
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let buffer = "";
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let lineBuffer = "";
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term.write('> ');
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term.onKey((ev, dom) => {
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const {key} = ev;
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switch (key) {
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case '\r':
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// Enter
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term.writeln('');
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let wantContinue = lineBuffer.length > 0;
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buffer += lineBuffer;
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lineBuffer = '';
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ucl.eval(buffer, wantContinue);
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break;
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case '\u007F':
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// Backspace
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if (lineBuffer.length > 0) {
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term.write([0x08, 0x20, 0x08]);
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lineBuffer = lineBuffer.slice(0, lineBuffer.length - 1);
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}
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break;
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default:
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if (key >= ' ') {
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term.write(key);
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lineBuffer += key;
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}
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}
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});
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ucl.onContinue = () => {
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buffer += "\n";
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lineBuffer = '';
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term.write(': ');
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}
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ucl.onNewCommand = () => {
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term.write('> ');
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buffer = '';
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lineBuffer = '';
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}
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ucl.onOutLine = (line) => { term.writeln(line); }
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ucl.onError = (err) => { term.writeln('error: ' + err); }
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term.focus();
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}
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const go = new Go();
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WebAssembly.instantiateStreaming(fetch("/playwasm.wasm"), go.importObject)
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.then((result) => {
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go.run(result.instance);
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startSession(term);
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}); |