code-path-segment.js — react Source File

Source Code

'use strict';

//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------

/**
 * Checks whether or not a given segment is reachable.
 * @param {CodePathSegment} segment A segment to check.
 * @returns {boolean} `true` if the segment is reachable.
 */
function isReachable(segment) {
  return segment.reachable;
}

//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------

/**
 * A code path segment.
 */
class CodePathSegment {
  /**
   * @param {string} id An identifier.
   * @param {CodePathSegment[]} allPrevSegments An array of the previous segments.
   *   This array includes unreachable segments.
   * @param {boolean} reachable A flag which shows this is reachable.
   */
  constructor(id, allPrevSegments, reachable) {
    /**
     * The identifier of this code path.
     * Rules use it to store additional information of each rule.
     * @type {string}
     */
    this.id = id;

    /**
     * An array of the next segments.
     * @type {CodePathSegment[]}
     */
    this.nextSegments = [];

    /**
     * An array of the previous segments.
     * @type {CodePathSegment[]}
     */
    this.prevSegments = allPrevSegments.filter(isReachable);

    /**
     * An array of the next segments.
     * This array includes unreachable segments.
     * @type {CodePathSegment[]}
     */
    this.allNextSegments = [];

// ... (166 more lines)