src/app.js

  1. /**
  2.  * App initialization is done here.
  3.  * @module app
  4.  */
  6. const blessed = require("blessed");
  7. const Layout = require("./layout");
  8. const Keyboard = require("./keyboard");
  9. const Jack = require("./jack_client");
  10. const { settings } = require("../settings");
  11. const LV2 = require("./lv2");
  12. const store = require("./store");
  13. const program = blessed.program();
  14. const screen = blessed.screen({
  15.   smartCSR: true,
  16. });
  18. try {
  19.   LV2.init();
  20.   Jack.init();
  22.   // Create a screen object.
  23.   Layout.setUpLayout(screen);
  24.   Keyboard.registerKeyboardShortcuts(screen);
  25. } catch (error) {
  26.   console.trace("ERROR: " + error);
  27.   console.log("Aborting...");
  28.   process.exit(0);
  29. }
  31. screen.render();
  32. program.enableMouse();
  34. store.app.INITIALIZED = true;
  35. Jack.poll();
  36. // Set up polling
  37. let jackPoll = setInterval(() => {
  38.   Jack.poll();
  39. }, settings.JACK_POLLING_RATE);
  41. let uiPoll = setInterval(() => {
  42.   store.notifySubscribers();
  43.   screen.render();
  44. }, settings.UI_UPDATE_RATE);
  46. function exit() {
  47.   store.clearRack();
  48.   program.clear();
  49.   screen.detach();
  50.   return process.exit(0);
  51. }
  53. exports.exit = exit;