Method commandHandler

content_scripts/mode_visual.js:506–535

({ command: { command }, count })

  }

  commandHandler({ command: { command }, count }) {
    if (count == null) count = 1;
    switch (typeof command) {
      case "string":
        for (let i = 0, end = count; i < end; i++) {
          this.movement.runMovement(command);
          // If the current selection
          //  * has only 1 line (the line that is selected when we # enter the visual line mode), and
          //  * its direction is different from the command,
          // then the command will in effect unselect that line. In this case, we restore that line
          // and reverse its direction, keeping that line selected.
          if (this.selection.isCollapsed) {
            this.extendSelection();
            const [direction, granularity] = command.split(" ");
            if ((this.movement.getDirection() !== direction) && (granularity === "line")) {
              this.movement.reverseSelection();
            }
            this.movement.runMovement(command);
          }
        }
        break;
      case "function":
        command(count);
        break;
    }
    this.movement.scrollIntoView();
    if (this.modeIsActive) {
      return this.extendSelection();
    }
  }

  extendSelection() {
    const initialDirection = this.movement.getDirection();