jdanyow/app.html

## app.html
<template>
  <form>
    <label>view: <textarea value.bind="viewHtml" rows="8" cols="80"></textarea></label>
    <label>view-model: <textarea value.bind="viewModelJs" rows="8" cols="80"></textarea></label>
    <button type="submit" click.delegate="submit()">Submit</button>
    <button type="button" click.delegate="remove()">Remove</button>
  </form>
  <div ref="container"></div>
</template>

## app.js
import {inject} from 'aurelia-framework';
import {ViewFactory} from './view-factory';

@inject(ViewFactory)
export class App {
  viewHtml =
`<template>
  <my-element></my-element>
  <h1>\${message}</h1>
</template>`;

  viewModelJs =
`{
  message: 'hello world',
}`;

  constructor(viewFactory) {
    this.viewFactory = viewFactory
  }

  submit() {
    let viewModel = null;
    this.remove();
    try {
      eval('viewModel = ' + this.viewModelJs);
    }
    catch(e) {
      this.container.innerHTML = '<em style="color:red">Error parsing view model.</em>';
      return;
    }
    this.dispose = this.viewFactory.insert(this.container, this.viewHtml, viewModel);
  }

  remove() {
    if (this.dispose) {
      this.dispose();
      this.dispose = null;
    }
  }
}

## index.html
<!doctype html>
<html>
  <head>
    <title>Aurelia</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body aurelia-app="main">
    <h1>Loading...</h1>

    <script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/jspm_packages/system.js"></script>
    <script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/config.js"></script>
    <script>
      System.import('aurelia-bootstrapper');
    </script>
  </body>
</html>

## main.js
export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging()
    .globalResources('./my-element');

  aurelia.start().then(a => a.setRoot());
}

## my-element.html
<template>
  My Element
</template>

## my-element.js
export class MyElement {

}

## styles.css
textarea {
  display: block;
}


## view-factory.js
import {
  inject,
  ViewCompiler,
  ViewResources,
  Container,
  ViewSlot,
  createOverrideContext
} from 'aurelia-framework';

@inject(ViewCompiler, ViewResources, Container)
export class ViewFactory {
  constructor(viewCompiler, resources, container) {
    this.viewCompiler = viewCompiler;
    this.resources = resources;
    this.container = container;
  }

  insert(containerElement, html, viewModel) {
    let viewFactory = this.viewCompiler.compile(html);
    let view = viewFactory.create(this.container);
    let anchorIsContainer = true;
    let viewSlot = new ViewSlot(containerElement, anchorIsContainer);
    viewSlot.add(view);
    view.bind(viewModel, createOverrideContext(viewModel));
    return () => {
      viewSlot.remove(view);
      view.unbind();
    };
  }
}
	<template>
	<form>
	<label>view: <textarea value.bind="viewHtml" rows="8" cols="80"></textarea></label>
	<label>view-model: <textarea value.bind="viewModelJs" rows="8" cols="80"></textarea></label>
	<button type="submit" click.delegate="submit()">Submit</button>
	<button type="button" click.delegate="remove()">Remove</button>
	</form>
	<div ref="container"></div>
	</template>
	import {inject} from 'aurelia-framework';
	import {ViewFactory} from './view-factory';

	@inject(ViewFactory)
	export class App {
	viewHtml =
	`<template>
	<my-element></my-element>
	<h1>\${message}</h1>
	</template>`;

	viewModelJs =
	`{
	message: 'hello world',
	}`;

	constructor(viewFactory) {
	this.viewFactory = viewFactory
	}

	submit() {
	let viewModel = null;
	this.remove();
	try {
	eval('viewModel = ' + this.viewModelJs);
	}
	catch(e) {
	this.container.innerHTML = '<em style="color:red">Error parsing view model.</em>';
	return;
	}
	this.dispose = this.viewFactory.insert(this.container, this.viewHtml, viewModel);
	}

	remove() {
	if (this.dispose) {
	this.dispose();
	this.dispose = null;
	}
	}
	}
	<!doctype html>
	<html>
	<head>
	<title>Aurelia</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	</head>
	<body aurelia-app="main">
	<h1>Loading...</h1>

	<script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/jspm_packages/system.js"></script>
	<script src="https://cdn.rawgit.com/jdanyow/aurelia-bundle/v1.0.3/config.js"></script>
	<script>
	System.import('aurelia-bootstrapper');
	</script>
	</body>
	</html>
	export function configure(aurelia) {
	aurelia.use
	.standardConfiguration()
	.developmentLogging()
	.globalResources('./my-element');

	aurelia.start().then(a => a.setRoot());
	}
	import {
	inject,
	ViewCompiler,
	ViewResources,
	Container,
	ViewSlot,
	createOverrideContext
	} from 'aurelia-framework';

	@inject(ViewCompiler, ViewResources, Container)
	export class ViewFactory {
	constructor(viewCompiler, resources, container) {
	this.viewCompiler = viewCompiler;
	this.resources = resources;
	this.container = container;
	}

	insert(containerElement, html, viewModel) {
	let viewFactory = this.viewCompiler.compile(html);
	let view = viewFactory.create(this.container);
	let anchorIsContainer = true;
	let viewSlot = new ViewSlot(containerElement, anchorIsContainer);
	viewSlot.add(view);
	view.bind(viewModel, createOverrideContext(viewModel));
	return () => {
	viewSlot.remove(view);
	view.unbind();
	};
	}
	}