summary: method to clear file and buffer

packages/core/src/markdown-summary.ts

@@ -151,6 +151,15 @@ class MarkdownSummary {
     return this.emptyBuffer()
   }
 
+  /**
+   * Clears the summary buffer and wipes the summary file
+   *
+   * @returns {MarkdownSummary} markdown summary instance
+   */
+  async clear(): Promise<MarkdownSummary> {
+    return this.emptyBuffer().write(true)
+  }
+
   /**
    * Returns the current summary buffer as a string
    *
@@ -170,7 +179,7 @@ class MarkdownSummary {
   }
 
   /**
-   * Clears the summary buffer without writing to summary file
+   * Resets the summary buffer without writing to summary file
    *
    * @returns {MarkdownSummary} markdown summary instance
    */