Add option to hide in the viewer parts that have not changed about json-diff-kit HOT 3 CLOSED

/**
 * all fields are optional,
 * default is `false` which means it won't hide unchanged lines.
 */
type HideUnchangedLines = false | {
  /**
   * if there are continuous unchanged lines exceeding the limit, they should be hidden.
   * default is `6`
   */
  threshold?: number;
  /**
   * if there are `x` continuous unchanged lines to be hidden, we can keep displaying some lines.
   * default is `3`
   */
  margin?: number;
  /**
   * the custom renderer of the "expand" line
   * default renderer will produce the following buttons in this line:
   * [⬆️ Show 20 lines] [↕️ Show all unchanged lines] [⬇️ Show 20 lines]
   */
  expandLineRenderer?: ({
    /**
     * if this is `true`, you can show a "⬆️ Show xx lines" button
     */
    hasLinesBefore: boolean;
    /**
     * if this is `true`, you can show a "⬇️ Show xx lines" button
     */
    hasLinesAfter: boolean;
    /**
     * call this function to expand `lines` lines before,
     * if there are not enough lines before, it will expand all lines before.
     */
    onExpandBefore: (lines: number) => void;
    /**
     * call this function to expand `lines` lines after,
     * if there are not enough lines after, it will expand all lines after.
     */
    onExpandAfter: (lines: number) => void;
    /**
     * call this function to expand all lines in this continuous part.
     */
    onExpandAll: () => void;
  }) => JSX.Element;
}