graphicbeacon

import 'dart:io' show Platform;
import 'dart:async' show runZoned;
import 'package:path/path.dart' show join, dirname;
import 'package:shelf/shelf_io.dart' as io;
import 'package:shelf_static/shelf_static.dart';

void main() {
  // Assumes the server lives in bin/ and that `webdev build` ran
  var pathToBuild = join(dirname(Platform.script.toFilePath()), '..', 'build');

graphicbeacon

void main() async {
  var str1 = 'Lorem';
  var str2 = '$str1 ipsum'; // String interpolation
  var str3 = '''Multi
Line
$str1 $str2'''; // Multi line string
  
  print(str1.contains('rem')); // true
  
  print(str2.startsWith('Lorem')); // true

graphicbeacon

// web/console.dart
@JS('console')
library console;

import 'package:js/js.dart';

external void log(dynamic str);

graphicbeacon

void main() {
  var now = new DateTime.now();
  var berlinWallFell = new DateTime.utc(1989, 11, 9);
  var moonLanding = DateTime.parse('1969-07-20 20:18:04Z');
  
  print(now);
  print(berlinWallFell);
  print(moonLanding);
  
  print('\n---\n');

graphicbeacon

<div>
  <strong id="days"></strong> 
  <strong id="hours"></strong> 
  <strong id="minutes"></strong> 
  <strong id="seconds"></strong>
</div>

graphicbeacon

import 'dart:io';
import 'dart:convert';

void main() async {
  var server = await HttpServer.bind('127.0.0.1', 9000);

  await for (HttpRequest req in server) {
    if (req.method == 'POST' && req.headers.contentType.toString() == 'application/x-www-form-urlencoded') {
      var content = await req.transform(Utf8Decoder()).join();
      var queryParams = Uri(query: content).queryParameters;

graphicbeacon

import 'dart:io';

main() async {
  var file = File('data.txt');
  var contents;

  if (await file.exists()) {
    // Read file
    contents = await file.readAsString();
    print(contents);

graphicbeacon

// Absolute imports
import 'dart:html';

// Relative imports
import './view.dart';

class ChatRoomView implements View {
  ChatRoomView(this.params) : _contents = DocumentFragment() {
    onEnter();
  }

graphicbeacon

import 'dart:io';
import 'dart:convert';

main() async {
  var apiUrl = Uri.parse('https://jsonplaceholder.typicode.com/posts');
  var client = HttpClient(); // `new` keyword optional

  // 1. Create request
  HttpClientRequest request = await client.postUrl(apiUrl);

graphicbeacon

void main() {
  var johnny = Person('Johnny', 42)
    ..speak()
    ..name = 'Big Johnny'
    ..speak();
  
  var johnnyB = Person('Johnny', 42);
  print(johnny == johnnyB);
  
  var bob = Employee('Bob', 23, DateTime.now());