JSS Angularアプリでのプレースホルダーの操作

    renderModule(AppServerModule, {
      document: template,
      url: path,
      extraProviders: [
        // custom injection with the initial state that SSR should utilize
        { provide: 'JSS_SERVER_LAYOUT_DATA', useValue: transferState },
        { provide: 'JSS_SERVER_VIEWBAG', useValue: state.viewBag },
      ],
    })
      .then((html) => callback(null, { html }))
      .catch((err) => callback(err, null));

{
  "context": {
    "pageEditing": false,
    "site": {
      "name": "JssDisconnectedLayoutService"
    },
    "pageState": "normal",
    "language": "en"
  },
  "route": {
    "databaseName": "available-in-connected-mode",
    "deviceId": "available-in-connected-mode",
    "itemId": "home-page",
    "itemLanguage": "en",
    "itemVersion": 1,
    "layoutId": "available-in-connected-mode",
    "templateId": "available-in-connected-mode",
    "templateName": "available-in-connected-mode",
    "name": "home",
    "fields": {
      "pageTitle": {
        "value": "Welcome to Sitecore JSS"
      }
    },
    "placeholders": {
      "jss-main": [
        {
          "uid": "{2C4A53CC-9DA8-5F51-9D79-6EE2FC671B2D}",
          "componentName": "ContentBlock",
          "dataSource": "available-in-connected-mode",
          "params": {},
          "fields": {
            "heading": {
              "value": "Welcome to Sitecore JSS"
            },
            "content": {
              "value": "<p>Thanks for using JSS. Here are some resources to get you started:</p>"
            }
          }
        }
      ]
    }
  }}

import { Component, Input } from '@angular/core';
import { ComponentRendering } from '@sitecore-jss/sitecore-jss-angular';
@Component({
  selector: 'app-content-block',
  templateUrl: './content-block.component.html',
})
export class ContentBlockComponent {
  @Input() rendering: ComponentRendering;
}

"componentName": "ContentBlock",
    "dataSource": "available-in-connected-mode",
    "params": {},
    "fields": {
        "heading": {
            "value": "Welcome to Sitecore JSS"
        },
    "content": {
        "value": "<p>Thanks for using JSS. Here are some resources to get you started:</p>"
    }
}

@Component({
  selector: 'app-welcome',
  template: `
    <sc-placeholder name="welcome" [rendering]="rendering"></sc-placeholder>
  `
})
export class WelcomeComponent {
  rendering: any;
}

{
  componentName: 'Welcome',
    fields: {
      title: {
        value: 'Sitecore Experience Platform + JSS',
      },
      text: {
        value: '<p>...</p>',
      },
      logoImage: {
        value: {
          src: '/assets/img/sc_logo.png',
          alt: 'Logo'
        },
      },
    },
    placeholders: {
      welcome: [
        {
          componentName: 'AnotherComponent',
          fields: {
            /* etc */
          }
        }
      ]
    }
}

@Component({
  selector: 'my-container-component',
  template: `<sc-placeholder
                name="placeholder"
                [rendering]="rendering"
                [inputs]="inputs"
                [outputs]="outputs"
                ></sc-placeholder>`
})
class MyContainerComponent {
  @Input() public rendering: any;

  inputs = {
    hello: 'world',
    something: () => 'can be really complex'
  };
  outputs = {
    onSomething: (type) => alert(type)
  }
}

@Component({selector: 'my-rendering')
class MyRendering {
  // standard on any placeholder-managed component
  @Input() public rendering: any;

  // additional properties for input/output binding
  @Input() hello: string;
  @Input() something: Function;
  @Output() onSomething = new EventEmitter<string>();
}

  <sc-placeholder [rendering]="rendering">
    <img *scPlaceholderLoading src="loading.gif">
  </sc-placeholder>