Method walk

lib/source-node.js:235–250

* Walk over the tree of JS snippets in this node and its children. The * walking function is called once for each snippet of JS and is passed that * snippet and the its original associated source's line/column location. * * @param aFn The traversal function.

(aFn)

   * @param aFn The traversal function.
   */
  walk(aFn) {
    let chunk;
    for (let i = 0, len = this.children.length; i < len; i++) {
      chunk = this.children[i];
      if (chunk[isSourceNode]) {
        chunk.walk(aFn);
      } else if (chunk !== "") {
        aFn(chunk, {
          source: this.source,
          line: this.line,
          column: this.column,
          name: this.name,
        });
      }
    }
  }

  /**
   * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between