74 lines
1.3 KiB
JavaScript
74 lines
1.3 KiB
JavaScript
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import { Terminal } from 'xterm';
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/**
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* @type {Terminal}
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*/
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let terminal;
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const prompt = '\033[1;32muser@blek.codes \033[36m~ $ \033[0m';
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let cmd = '';
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function pr_char(char) {
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cmd += char;
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terminal.write(char);
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}
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function exec_cmd() {
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let c = cmd;
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reset_cmd();
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terminal.writeln('zsh: command not found: ' + c);
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print_prompt();
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}
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function print_prompt() {
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terminal.write(prompt);
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}
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function reset_cmd() {
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cmd = '';
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terminal.writeln('');
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}
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function control_char(char) {
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const id = char.codePointAt(0);
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switch (id) {
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// backspace
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case 127:
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if (terminal.buffer.active.cursorX == prompt.length) break;
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terminal.write('\b \b');
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cmd = cmd.substring(0, cmd.length - 1);
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break;
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// enter
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case 13:
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exec_cmd();
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break;
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// Ctrl+c
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case 3:
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terminal.write('^C');
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reset_cmd();
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print_prompt();
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break;
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default:
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console.log('Unknown special char: ' + id);
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break;
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}
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}
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function key(e) {
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if (RegExp(/^\p{L}/,'u').test(e.key)) {
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pr_char(e.key);
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} else {
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control_char(e.key);
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}
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}
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module.exports = (t) => {
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terminal = t;
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terminal.onKey(key);
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terminal.write(prompt);
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}
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