Delete dartiverse-search from the repo and update dart:io documentation to point

samples/dartiverse_search/web/client.dart

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:html';
-
-
-class Client {
-  static const Duration RECONNECT_DELAY = const Duration(milliseconds: 500);
-
-  bool connectPending = false;
-  String mostRecentSearch = null;
-  WebSocket webSocket;
-  final DivElement log = new DivElement();
-  SearchInputElement searchElement = querySelector('#q');
-  DivElement statusElement = querySelector('#status');
-  DivElement resultsElement = querySelector('#results');
-
-  Client() {
-    searchElement.onChange.listen((e) {
-      search(searchElement.value);
-      searchElement.value = '';
-    });
-    connect();
-  }
-
-  void connect() {
-    connectPending = false;
-    webSocket = new WebSocket('ws://${Uri.base.host}:${Uri.base.port}/ws');
-    webSocket.onOpen.first.then((_) {
-      onConnected();
-      webSocket.onClose.first.then((_) {
-        print("Connection disconnected to ${webSocket.url}.");
-        onDisconnected();
-      });
-    });
-    webSocket.onError.first.then((_) {
-      print("Failed to connect to ${webSocket.url}. "
-            "Run bin/server.dart and try again.");
-      onDisconnected();
-    });
-  }
-
-  void onConnected() {
-    setStatus('');
-    searchElement.disabled = false;
-    searchElement.focus();
-    webSocket.onMessage.listen((e) {
-      handleMessage(e.data);
-    });
-  }
-
-  void onDisconnected() {
-    if (connectPending) return;
-    connectPending = true;
-    setStatus('Disconnected. Start \'bin/server.dart\' to continue.');
-    searchElement.disabled = true;
-    new Timer(RECONNECT_DELAY, connect);
-  }
-
-  void setStatus(String status) {
-    statusElement.innerHtml = status;
-  }
-
-
-  void handleMessage(data) {
-    var json = JSON.decode(data);
-    var response = json['response'];
-    switch (response) {
-      case 'searchResult':
-        addResult(json['source'], json['title'], json['link']);
-        break;
-
-      case 'searchDone':
-        setStatus(resultsElement.children.isEmpty
-             ? "$mostRecentSearch: No results found"
-             : "$mostRecentSearch: "
-               "${resultsElement.children.length} results found");
-        break;
-
-      default:
-        print("Invalid response: '$response'");
-    }
-  }
-
-  void addResult(String source, String title, String link) {
-    var result = new DivElement();
-    result.children.add(new HeadingElement.h2()..innerHtml = source);
-    result.children.add(
-        new AnchorElement(href: link)
-        ..innerHtml = title
-        ..target = '_blank');
-    result.classes.add('result');
-    resultsElement.children.add(result);
-  }
-
-  void search(String input) {
-    if (input.isEmpty) return;
-    setStatus('Searching for $input...');
-    resultsElement.children.clear();
-    var request = {
-      'request': 'search',
-      'input': input
-    };
-    webSocket.send(JSON.encode(request));
-    mostRecentSearch = input;
-  }
-}
-
-
-void main() {
-  var client = new Client();
-}