code: function parseMappedStack(stack) {
    let result = []
    for (let line of stack) {
      // at ... (file:///namespace/path:line:column)
      const MATCHED = line.match(/\(.*?:\/{3}(.*?)\/(.*):(.*?):(.*?)\)$/)
  
      // The line couldn’t be parsed.
      if (!MATCHED){
        result.push({stackLine: line})
        continue
      }
  
      result.push({
        column: MATCHED[4],
        line: MATCHED[3],
        namespace: MATCHED[1],
        path: MATCHED[2],
        stackLine: line,
      })
    }
    return result
  }
docs: Return the a new mapped stack where each item is an object with properties
  for line, column, namespace and file path.