koa-viewer/dist/index.js.map

Directory and file viewer for koa 2

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fs from 'fs';\nimport path from 'path';\nimport glob from 'glob';\nimport etag from 'etag';\nimport mime from 'mime';\n\nconst head = `\n   <meta name=\"viewport\" content=\"width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no\">\n   <meta name=\"apple-mobile-web-app-capable\" content=\"yes\">\n   <meta name=\"apple-mobile-web-app-status-bar-style\" content=\"black\">\n   <meta name=\"format-detection\" content=\"telephone=no\">\n   <meta name=\"screen-orientation\" content=\"portrait\">\n   <meta name=\"x5-orientation\" content=\"portrait\">\n   <style>\n     *,\n     *:before,\n     *:after {\n       box-sizing: border-box;\n     }\n     body{\n       margin: 0;\n       padding: 0;\n       font-size: 87.5%;\n       font-family: Consolas, Tahoma;\n     }\n     a{\n       text-decoration: none;\n       color: #333;\n     }\n     a:hover{\n       background: #eaeaea;\n     }\n     ul{\n       list-style-type: none;\n       margin: 0;\n       padding: 0;\n     }\n     .crumb{\n       margin-bottom: 1em;\n       padding: 1em;\n       background: #333;\n     }\n     .crumb li{\n       display: inline;\n       margin-right: 5px;\n       color: #ccc;\n     }\n     .crumb li a{\n       color: #ccc;\n     }\n     .crumb li a:hover{\n       text-decoration: underline;\n       background: inherit;\n     }\n     .list{\n       margin-bottom: 1em;\n     }\n     .list li{\n       min-height: .5em;\n       display: inline-block;\n       width: 33.33%;\n     }\n     .list.block li{\n       width: 100%;\n     }\n     .list li a{\n       display: block;\n       padding: 0 1em;\n       line-height: 2;\n     }\n     @media only screen and (max-width : 768px) {\n       .list li{\n         display: block;\n         width: 100%;\n       }\n       .list li a{\n         line-height: 3;\n         border-bottom: 1px dotted #ccc;\n       }\n     }\n   </style>\n `;\n\n/**\n * [description]\n * @param  {[type]} root [description]\n * @param  {[json]} opts:\n {\n  flat: false,\n  cwd: realPath,\n  nodir: false,\n  dot: false\n }\n * @return {[type]}      [description]\n */\nexport default (root, opts) => {\n  root = (!root || root === '') ? process.cwd() : root;\n  opts = opts || {};\n\n  return async(ctx, next) => {\n\n    if (!next) {\n      return await genHtml(ctx, root, opts);\n    } else {\n\n      console.log('Send: ' + ctx.path);\n      ctx.body = await genHtml(ctx, root, opts);\n\n      return next();\n    }\n\n  }\n}\n\nasync function genHtml(ctx, root, opts) {\n  try {\n    let url = ctx.path;\n    const realPath = path.join(root, url);\n    const stats = await statp(realPath);\n\n    // folder\n    if (stats.isDirectory()) {\n\n      let settings = {\n        flat: false,\n        cwd: realPath,\n        nodir: false,\n        dot: false\n      };\n\n      let html = `\n             ${head}\n             {crumb}\n             {list}\n           `;\n      let listHtml = '';\n      let listHtml_folder = '<ul class=\"list\">';\n      let listHtml_file = '<ul class=\"list\">';\n      let crumbHtml = '<ul class=\"crumb\">';\n      merge(settings, opts);\n\n      if (settings.flat) {\n        settings.nodir = opts.nodir === undefined ? true : opts.nodir;\n        const list = await globPromise('**/*', settings);\n        crumbHtml += '<li>' + url + ':</li></ul>';\n        listHtml += '<ul class=\"list block\">';\n        for (let item of list) {\n          listHtml += '<li><a href=\"' + url + item + '\">' + item + '</a></li>'\n        }\n        listHtml += '</ul>';\n      } else {\n        const list = await globPromise('*', settings);\n        for (let item of list) {\n          const itemStats = await statp(realPath + item);\n          if (itemStats.isDirectory()) {\n            listHtml_folder += '<li><a href=\"' + url + item + '/\">' + item + '/</a></li>'\n          } else {\n            listHtml_file += '<li><a href=\"' + url + item + '\">' + item + '</a></li>'\n          }\n        }\n        listHtml_folder += '</ul>';\n        listHtml_file += '</ul>';\n        listHtml = listHtml_folder + listHtml_file;\n        crumbHtml += '<li><a href=\"/\">/</a></li>';\n\n        if (url !== '/') {\n          let dirUrl = '/';\n          const urlArr = url.substr(1, url.length - 2).split('/');\n          for (let u of urlArr) {\n            dirUrl += u + '/';\n            crumbHtml += '<li><a href=\"' + dirUrl + '\">' + u + '/</a></li>'\n          }\n        }\n        crumbHtml += '</ul>';\n      }\n\n      html = html.replace('{crumb}', crumbHtml).replace('{list}', listHtml);\n\n      return html;\n    }\n\n    // file\n    if (stats.isFile()) {\n      const type = mime.lookup(realPath);\n      const charset = mime.charsets.lookup(type);\n      const headers = {\n        ETag: etag(stats),\n        'Content-Type': type + (charset ? '; charset=' + charset : ''),\n        'Content-Length': stats.size,\n        'Cache-Control': 'no-store, no-cache, must-revalidate, max-age=0',\n        Expires: 'Sat, 01 Jan 2000 00:00:00 GMT'\n      };\n      ctx.set(headers);\n      return fs.createReadStream(realPath);\n    }\n\n  } catch (err) {\n    throw err;\n  }\n}\n\nfunction merge(target) {\n  var sources = [].slice.call(arguments, 1);\n  sources.forEach(function(source) {\n    for (var p in source)\n      if (typeof source[p] === 'object') {\n        target[p] = target[p] || (Array.isArray(source[p]) ? [] : {});\n        merge(target[p], source[p]);\n      } else {\n        target[p] = source[p];\n      }\n  })\n  return target;\n}\n\nfunction globPromise(pattern, options) {\n  return new Promise((resolve, reject) => {\n    glob(pattern, options, (err, files) => {\n      return err === null ? resolve(files) : reject(err)\n    })\n  })\n}\n\nfunction statp(realPath) {\n  return new Promise((resolve, reject) => {\n    fs.stat(realPath, (err, stats) => {\n      return err === null ? resolve(stats) : reject(err)\n    })\n  })\n}\n"]}