kmx.io/prism.js/examples/prism-n4js.html

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• Hash : c3ed5b52
  Author :
  Date : 2018-03-11T11:11:05
  

  Website: Auto-generate example header with component title, list of aliases and dependencies. `overrideExampleHeader` can be used to generate only the component title.

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• examples/prism-n4js.html

• <h2>Keywords</h2>
  <pre><code>
  class C {..}
  interface I {..}
  
  foo(c: C, i: I) {
      c instanceof C; // ok
      c instanceof I; // ok
  }
  </code></pre>
  
  <h2>Annotations</h2>
  <pre><code>
  // Final Methods
  @Final
  private tasks = new Map&lt;string,Task&gt;();
  
  // Redefinition of Members
  @Override
  public async size(): int {
    …
  }
  
  // Dependency Injection
  @Binder
  @Bind(Storage,StorageInMemory)
  class InMemoryBinder {}
  
  @GenerateInjector @UseBinder(InMemoryBinder)
  export public class TaskManagerTest {
    …
  }
  </code></pre>
  
  <h2>Full example</h2>
  <pre><code>
  // A Web User Interface in HTML
  // NOTE: requires full example project bundled with N4JS IDE to run.
  
  import { TaskManager } from "TaskManager";
  import {Application, Response } from "express";
  import express from "express";
  import { Todo } from "model";
  
  
  export class WebUI {
  
       private app: Application;
  
       @Inject
       private manager: TaskManager;
  
       public start() {
  
            this.app = express();
  
            this.app.get('/', async (req, res) => {
                 let page = await this.renderHomePage();
                 res.send(page);
            });
  
            this.app.get("/clear", async (req, res) => {
                 await this.manager.clear();
                 redirect(res, '/');
            });
  
            this.app.get("/create", async (req, res) => {
                 let values = req.query as ~Object with {type: string, label: string};
                 if (values && values.type === 'Todo' && values.label && values.label.length > 0) {
                      await this.manager.createTodo(values.label);
                 }
                 redirect(res, '/');
            });
  
            this.app.listen(4000, '0.0.0.0', 511, function() {
                 console.log("HTML server listening on http://localhost:4000/");
            });
       }
  
       protected async renderHomePage(): string {
            let tasks = await this.manager.getTasks();
            let todos = tasks.filter((task) => task instanceof Todo);
            return `
  
  &lt;html&gt;
  &lt;body&gt;
       Your to-do's:
       &lt;ul&gt;
       ${
            todos.length === 0 ? '&lt;li&gt;&lt;em&gt;none&lt;/em&gt;&lt;/li&gt;\n'
            : todos.map((task) =>
                 '&lt;li&gt;' + task.label + ' &lt;small&gt;(id: ' + task.id + ')&lt;/small&gt;&lt;/li&gt;'
            ).join('\n')
       }
       &lt;/ul&gt;
       &lt;hr/&gt;
       &lt;form action="/create" method="get"&gt;
       &lt;input type="hidden" name="type" value="Todo"&gt;
       Label: &lt;input type="text" name="label"&gt;&lt;br&gt;
       &lt;input type="submit" value="Create Todo"&gt;
       &lt;/form&gt;
       &lt;hr/&gt;
       &lt;a href="/clear"&gt;[Clear All]&lt;/a&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  `;
       }
  }
  
  function redirect(res: Response, url: string) {
       res.header('Cache-Control', 'no-cache');
       res.redirect(301, url);
  }
  </code></pre>
  

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