Function parseShortcut

modules/tinymce/src/core/main/ts/api/Shortcuts.ts:73–126

(pattern: string)

  key in modifierNames;

const parseShortcut = (pattern: string): Shortcut => {
  const shortcut = {} as Shortcut;
  const isMac = Env.os.isMacOS() || Env.os.isiOS();

  // Parse modifiers and keys ctrl+alt+b for example
  each(explode(pattern.toLowerCase(), '+'), (value) => {
    if (isModifier(value)) {
      shortcut[value] = true;
    } else {
      // Allow numeric keycodes like ctrl+219 for ctrl+[
      if (/^[0-9]{2,}$/.test(value)) {
        shortcut.keyCode = parseInt(value, 10);
      } else {
        shortcut.charCode = value.charCodeAt(0);
        shortcut.keyCode = keyCodeLookup[value] || value.toUpperCase().charCodeAt(0);
      }
    }
  });

  // Generate unique id for modifier combination and set default state for unused modifiers
  const id: Array<string | number> = [ shortcut.keyCode ];
  let key: keyof ModifierMap;
  for (key in modifierNames) {
    if (shortcut[key]) {
      id.push(key);
    } else {
      shortcut[key] = false;
    }
  }
  shortcut.id = id.join(',');

  // Handle special access modifier differently depending on Mac/Win
  if (shortcut.access) {
    shortcut.alt = true;

    if (isMac) {
      shortcut.ctrl = true;
    } else {
      shortcut.shift = true;
    }
  }

  // Handle special meta modifier differently depending on Mac/Win
  if (shortcut.meta) {
    if (isMac) {
      shortcut.meta = true;
    } else {
      shortcut.ctrl = true;
      shortcut.meta = false;
    }
  }

  return shortcut;
};

class Shortcuts {
  private readonly editor: Editor;