Current Dev State

static/js/ketcher2/node_modules/budo/lib/reload/server.js

@@ -0,0 +1,78 @@
+var WebSocketServer = require('ws').Server
+var log = require('bole')('budo')
+var path = require('path')
+var isAbsolute = require('path-is-absolute')
+var color = require('term-color')
+
+module.exports = function (server, opts) {
+  opts = opts || {}
+  log.info({ message: 'LiveReload running' })
+
+  // get a list of static folders to use as base dirs
+  var cwd = path.resolve(opts.cwd || process.cwd())
+  var staticDirs = Array.isArray(opts.dir) ? opts.dir : [ opts.dir ]
+  staticDirs = staticDirs.map(function (dir) {
+    return path.resolve(dir)
+  })
+  if (staticDirs.indexOf(cwd) === -1) staticDirs.push(cwd)
+
+  var closed = false
+  var wss = new WebSocketServer({
+    server: server,
+    perMessageDeflate: false
+  })
+
+  return {
+    webSocketServer: wss,
+    reload: reload,
+    close: function () {
+      if (closed) return
+      wss.close()
+      closed = true
+    }
+  }
+
+  function reload (file) {
+    if (closed) return
+    var url, ext
+
+    if (file && typeof file === 'string') {
+      // absolute file path
+      file = isAbsolute(file) ? path.normalize(file) : path.resolve(cwd, file)
+
+      // make it relative, removing the static folder parts
+      for (var i = 0; i < staticDirs.length; i++) {
+        var dir = staticDirs[i]
+        url = path.relative(dir, file)
+        // if the path doesn't starts with "../", then
+        // it should be relative to this folder
+        if (!/^(\.\.[/\\]|[/\\])/.test(url)) break
+      }
+
+      // turn it into a URL
+      url = url.replace(/\\/g, '/')
+
+      // ensure it starts at root of app
+      if (url.charAt(0) !== '/') url = '/' + url
+
+      ext = path.extname(file)
+    }
+
+    broadcast({ event: 'reload', ext: ext, url: url })
+  }
+
+  function broadcast (data) {
+    if (closed) return
+    data = JSON.stringify(data)
+    try {
+      wss.clients.forEach(function (client) {
+        client.send(data, {
+          binary: false
+        })
+      })
+    } catch (err) {
+      console.error(color.red('ERROR'), 'Error sending LiveReload event to client:')
+      console.error(err)
+    }
+  }
+}