Function copyObj

lib/web/CodeMirror/src/util/misc.js:6–12

(obj, target, overwrite)

}

export function copyObj(obj, target, overwrite) {
  if (!target) target = {}
  for (let prop in obj)
    if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
      target[prop] = obj[prop]
  return target
}

// Counts the column offset in a string, taking tabs into account.
// Used mostly to find indentation.