Method extendByOneCharacter

content_scripts/mode_visual.js:136–140

(direction)

  // Try to extend the selection by one character in direction. Return positive, negative or 0,
  // indicating whether the selection got bigger, or smaller, or is unchanged.
  extendByOneCharacter(direction) {
    const length = this.selection.toString().length;
    this.selection.modify("extend", direction, character);
    return this.selection.toString().length - length;
  }

  // Get the direction of the selection. The selection is "forward" if the focus is at or after the
  // anchor, and "backward" otherwise.