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{\n  REGEXP,\n  IMAGE_SPLIT,\n  IMAGE_PROCESS_SMALL,\n  IMAGE_PROCESS_LARGE,\n  IMAGE_PROCESS\n} from \"./constant\";\nimport emoji, { prefixUrl } from \"./emoji\";\n\nconst emojiObejct = arrayToObject(emoji, \"title\");\n\nexport function isFunction(functionToCheck) {\n  return (\n    functionToCheck && {}.toString.call(functionToCheck) === \"[object Function]\"\n  );\n}\n\nexport function isUrl(userInput) {\n  // 需完整匹配\n  const regexp = /^((http(s)?:)?\\/\\/.)?(www\\.)?[-a-zA-Z0-9@:%._+~#=]{2,256}\\.[a-z]{2,6}\\b([-a-zA-Z0-9@:%_+.~#?&//=]*)/g;\n  var res = userInput.match(regexp);\n  if (res === null) return false;\n  else return true;\n}\n\n/**\n * 将对象数组转换为对象\n * @param {array} array Array of Objects\n * @param {string} keyField string\n */\nexport function arrayToObject(array, keyField) {\n  return array.reduce((obj, item) => {\n    obj[item[keyField]] = item;\n    return obj;\n  }, {});\n}\n\n/**\n * HTML 编码\n * 将 < > 等字符串进行编码\n * @param {string} str 文本\n */\nexport function htmlEncode(str) {\n  if (!str) return \"\";\n  return str.replace(/[<>]/gim, function(i) {\n    return \"&#\" + i.charCodeAt(0) + \";\";\n  });\n}\n\n/**\n * 渲染编辑器\n * [x] => <img src=\"x\" />\n * @param {strig} content\n */\nexport function renderContent(content, onClick) {\n  let newContent = content;\n  if (newContent.indexOf(IMAGE_SPLIT) !== -1) {\n    newContent = newContent.split(IMAGE_SPLIT);\n    newContent.pop();\n    newContent = newContent.join(\"\");\n  }\n  // 不包含在标签内的链接\n  const innerUrl = /((http(s)?:)?\\/\\/)?(www\\.)?[-a-zA-Z0-9@:%._+~#=]{2,256}\\.[a-z]{2,6}\\b([-a-zA-Z0-9@:%_+.~#?&//=]*)(?![^<>]*>|[^\"]*?<\\/a)/g;\n  const data = htmlEncode(newContent)\n    .replace(REGEXP, function(a, b) {\n      const src = a.slice(1, -1);\n\n      // 兼容旧的评\n      // 因为旧的评论用 [img url] 方式存储的\n      if (isUrl(src)) {\n        return `<a href=\"${src}\" rel=\"noopener noreferrer\" target=\"_blank\"><img class=\"comment-img\" src=\"${src}\" alt=\"${src}\" /></a>`;\n      }\n      // 如果不存在对应的表情, 则返回原文\n      const emoji = emojiObejct[src];\n      if (emoji) {\n        return `<img class=\"comment-emoji\" src=\"${prefixUrl}${emoji.value}.${\n          emoji.ext\n        }\" alt=\"${emoji.title}\" />`;\n      }\n      return `[${src}]`;\n    })\n    .replace(innerUrl, function(a, b) {\n      const protocol = /^(https?:)?\\/\\//;\n      const hasProtocol = protocol.test(a);\n      const url = hasProtocol ? a : `//${a}`;\n      // target=\"_blank\" 存在安全性问题\n      // return `<a href=\"${url}\" target=\"_blank\" rel=\"noopener noreferrer\" >${a}</a>`;\n      return `<a href=\"${url}\">${a}</a>`;\n    })\n    .replace(/\\n/g, \"<br />\");\n  return data;\n}\n\nexport function addImageProcess(url, options = {}) {\n  if (options.small) {\n    return url + IMAGE_PROCESS_SMALL;\n  }\n  if (options.large) {\n    return url + IMAGE_PROCESS_LARGE;\n  }\n  return url + IMAGE_PROCESS;\n}\n"]}