summaryrefslogtreecommitdiff
path: root/app/assets/javascripts/terminal/terminal.js
blob: 904b0093f7b7c94517b412dd601414e9eb32951d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/* global Terminal */

(() => {
  class GLTerminal {

    constructor(options) {
      this.options = options || {};

      if (!Object.prototype.hasOwnProperty.call(this.options, 'cursorBlink')) {
        this.options.cursorBlink = true;
      }

      if (!Object.prototype.hasOwnProperty.call(this.options, 'screenKeys')) {
        this.options.screenKeys = true;
      }

      this.container = document.querySelector(options.selector);

      this.setSocketUrl();
      this.createTerminal();
      $(window).off('resize.terminal').on('resize.terminal', () => {
        this.terminal.fit();
      });
    }

    setSocketUrl() {
      const { protocol, hostname, port } = window.location;
      const wsProtocol = protocol === 'https:' ? 'wss://' : 'ws://';
      const path = this.container.dataset.projectPath;

      this.socketUrl = `${wsProtocol}${hostname}:${port}${path}`;
    }

    createTerminal() {
      this.terminal = new Terminal(this.options);
      this.socket = new WebSocket(this.socketUrl, ['terminal.gitlab.com']);
      this.socket.binaryType = 'arraybuffer';

      this.terminal.open(this.container);
      this.socket.onopen = () => { this.runTerminal(); };
      this.socket.onerror = () => { this.handleSocketFailure(); };
    }

    runTerminal() {
      const decoder = new TextDecoder('utf-8');
      const encoder = new TextEncoder('utf-8');

      this.terminal.on('data', (data) => {
        this.socket.send(encoder.encode(data));
      });

      this.socket.addEventListener('message', (ev) => {
        this.terminal.write(decoder.decode(ev.data));
      });

      this.isTerminalInitialized = true;
      this.terminal.fit();
    }

    handleSocketFailure() {
      this.terminal.write('\r\nConnection failure');
    }

  }

  window.gl = window.gl || {};
  gl.Terminal = GLTerminal;
})();