chore(packages): move the packages to root

core/src/components/loading-controller/loading-controller.tsx

@@ -0,0 +1,52 @@
+import { Component, Listen, Method } from '@stencil/core';
+import { LoadingOptions, OverlayController } from '../../index';
+import { createOverlay, dismissOverlay, getTopOverlay, removeLastOverlay } from '../../utils/overlays';
+
+
+@Component({
+  tag: 'ion-loading-controller'
+})
+export class LoadingController implements OverlayController {
+
+  private loadings = new Map<number, HTMLIonLoadingElement>();
+
+  @Listen('body:ionLoadingWillPresent')
+  protected loadingWillPresent(ev: any) {
+    this.loadings.set(ev.target.overlayId, ev.target);
+  }
+
+  @Listen('body:ionLoadingWillDismiss')
+  @Listen('body:ionLoadingDidUnload')
+  protected loadingWillDismiss(ev: any) {
+    this.loadings.delete(ev.target.overlayId);
+  }
+
+  @Listen('body:keyup.escape')
+  protected escapeKeyUp() {
+    removeLastOverlay(this.loadings);
+  }
+
+  /*
+   * Create a loading overlay with loading options.
+   */
+  @Method()
+  create(opts?: LoadingOptions): Promise<HTMLIonLoadingElement> {
+    return createOverlay(document.createElement('ion-loading'), opts);
+  }
+
+  /*
+   * Dismiss the open loading overlay.
+   */
+  @Method()
+  dismiss(data?: any, role?: string, loadingId = -1) {
+    return dismissOverlay(data, role, this.loadings, loadingId);
+  }
+
+  /*
+   * Get the most recently opened loading overlay.
+   */
+  @Method()
+  getTop(): HTMLIonLoadingElement {
+    return getTopOverlay(this.loadings);
+  }
+}