ion-skeleton-text

Skeleton Text is a component for rendering placeholder content. The element will render a gray block at the specified width.

Usage

Angular

<!-- Data to display after skeleton screen -->
<div *ngIf="data">
  <div class="ion-padding">
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ac eros est. Cras iaculis pulvinar arcu non vehicula.
    Fusce at quam a eros malesuada condimentum. Aliquam tincidunt tincidunt vehicula.
  </div>

  <ion-list>
    <ion-list-header>
      <ion-label> Data </ion-label>
    </ion-list-header>
    <ion-item>
      <ion-avatar slot="start">
        <img src="./avatar.svg" />
      </ion-avatar>
      <ion-label>
        <h3>{{ data.heading }}</h3>
        <p>{{ data.para1 }}</p>
        <p>{{ data.para2 }}</p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-thumbnail slot="start">
        <img src="./thumbnail.svg" />
      </ion-thumbnail>
      <ion-label>
        <h3>{{ data.heading }}</h3>
        <p>{{ data.para1 }}</p>
        <p>{{ data.para2 }}</p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-icon name="call" slot="start"></ion-icon>
      <ion-label>
        <h3>{{ data.heading }}</h3>
        <p>{{ data.para1 }}</p>
        <p>{{ data.para2 }}</p>
      </ion-label>
    </ion-item>
  </ion-list>
</div>

<!-- Skeleton screen -->
<div *ngIf="!data">
  <div class="ion-padding custom-skeleton">
    <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
    <ion-skeleton-text animated></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 88%"></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 70%"></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
  </div>

  <ion-list>
    <ion-list-header>
      <ion-label>
        <ion-skeleton-text animated style="width: 20%"></ion-skeleton-text>
      </ion-label>
    </ion-list-header>
    <ion-item>
      <ion-avatar slot="start">
        <ion-skeleton-text animated></ion-skeleton-text>
      </ion-avatar>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-thumbnail slot="start">
        <ion-skeleton-text animated></ion-skeleton-text>
      </ion-thumbnail>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-skeleton-text animated style="width: 27px; height: 27px" slot="start"></ion-skeleton-text>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
  </ion-list>
</div>

/* Custom Skeleton Line Height and Margin */
.custom-skeleton ion-skeleton-text {
  line-height: 13px;
}

.custom-skeleton ion-skeleton-text:last-child {
  margin-bottom: 5px;
}

import { Component } from '@angular/core';

@Component({
  selector: 'skeleton-text-example',
  templateUrl: 'skeleton-text-example.html',
  styleUrls: ['./skeleton-text-example.css'],
})
export class SkeletonTextExample {
  data: any;

  constructor() {}

  ionViewWillEnter() {
    setTimeout(() => {
      this.data = {
        heading: 'Normal text',
        para1: 'Lorem ipsum dolor sit amet, consectetur',
        para2: 'adipiscing elit.',
      };
    }, 5000);
  }
}

Javascript

<!-- Data to display after skeleton screen -->
<div id="data">
  <div class="ion-padding">
    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ac eros est. Cras iaculis pulvinar arcu non vehicula.
    Fusce at quam a eros malesuada condimentum. Aliquam tincidunt tincidunt vehicula.
  </div>

  <ion-list>
    <ion-list-header>
      <ion-label> Data </ion-label>
    </ion-list-header>
    <ion-item>
      <ion-avatar slot="start">
        <img src="./avatar.svg" />
      </ion-avatar>
      <ion-label>
        <h3>Normal text</h3>
        <p>Lorem ipsum dolor sit amet, consectetur</p>
        <p>adipiscing elit.</p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-thumbnail slot="start">
        <img src="./thumbnail.svg" />
      </ion-thumbnail>
      <ion-label>
        <h3>Normal text</h3>
        <p>Lorem ipsum dolor sit amet, consectetur</p>
        <p>adipiscing elit.</p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-icon name="call" slot="start"></ion-icon>
      <ion-label>
        <h3>Normal text</h3>
        <p>Lorem ipsum dolor sit amet, consectetur</p>
        <p>adipiscing elit.</p>
      </ion-label>
    </ion-item>
  </ion-list>
</div>

<!-- Skeleton screen -->
<div id="skeleton">
  <div class="ion-padding custom-skeleton">
    <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
    <ion-skeleton-text animated></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 88%"></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 70%"></ion-skeleton-text>
    <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
  </div>

  <ion-list>
    <ion-list-header>
      <ion-label>
        <ion-skeleton-text animated style="width: 20%"></ion-skeleton-text>
      </ion-label>
    </ion-list-header>
    <ion-item>
      <ion-avatar slot="start">
        <ion-skeleton-text animated></ion-skeleton-text>
      </ion-avatar>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-thumbnail slot="start">
        <ion-skeleton-text animated></ion-skeleton-text>
      </ion-thumbnail>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
    <ion-item>
      <ion-skeleton-text animated style="width: 27px; height: 27px" slot="start"></ion-skeleton-text>
      <ion-label>
        <h3>
          <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
        </h3>
        <p>
          <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
        </p>
        <p>
          <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
        </p>
      </ion-label>
    </ion-item>
  </ion-list>
</div>

#data {
  display: none;
}

/* Custom Skeleton Line Height and Margin */
.custom-skeleton ion-skeleton-text {
  line-height: 13px;
}

.custom-skeleton ion-skeleton-text:last-child {
  margin-bottom: 5px;
}

function onLoad() {
  const skeletonEl = document.getElementById('skeleton');
  const dataEl = document.getElementById('data');

  setTimeout(() => {
    skeletonEl.style.display = 'none';
    dataEl.style.display = 'block';
  }, 5000);
}

React

import React, { useState } from 'react';
import {
  IonContent,
  IonItem,
  IonAvatar,
  IonLabel,
  IonSkeletonText,
  IonListHeader,
  IonIcon,
  IonThumbnail,
  IonList,
} from '@ionic/react';
import { call } from 'ionicons/icons';

import './SkeletonTextExample.css';

export const SkeletonTextExample: React.FC = () => {
  const [data, setData] = useState();

  setTimeout(() => {
    setData({
      heading: 'Normal text',
      para1: 'Lorem ipsum dolor sit amet, consectetur',
      para2: 'adipiscing elit.',
    });
  }, 5000);

  return (
    <IonContent>
      {data ? (
        <>
          <div className="ion-padding">
            Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ac eros est. Cras iaculis pulvinar arcu non
            vehicula. Fusce at quam a eros malesuada condimentum. Aliquam tincidunt tincidunt vehicula.
          </div>

          <IonList>
            <IonListHeader>
              <IonLabel>Data</IonLabel>
            </IonListHeader>
            <IonItem>
              <IonAvatar slot="start">
                <img src="./avatar.svg" />
              </IonAvatar>
              <IonLabel>
                <h3>{data.heading}</h3>
                <p>{data.para1}</p>
                <p>{data.para2}</p>
              </IonLabel>
            </IonItem>
            <IonItem>
              <IonThumbnail slot="start">
                <img src="./thumbnail.svg" />
              </IonThumbnail>
              <IonLabel>
                <h3>{data.heading}</h3>
                <p>{data.para1}</p>
                <p>{data.para2}</p>
              </IonLabel>
            </IonItem>
            <IonItem>
              <IonIcon icon={call} slot="start" />
              <IonLabel>
                <h3>{data.heading}</h3>
                <p>{data.para1}</p>
                <p>{data.para2}</p>
              </IonLabel>
            </IonItem>
          </IonList>
        </>
      ) : (
        <>
          <div className="ion-padding custom-skeleton">
            <IonSkeletonText animated style={{ width: '60%' }} />
            <IonSkeletonText animated />
            <IonSkeletonText animated style={{ width: '88%' }} />
            <IonSkeletonText animated style={{ width: '70%' }} />
            <IonSkeletonText animated style={{ width: '60%' }} />
          </div>

          <IonList>
            <IonListHeader>
              <IonLabel>
                <IonSkeletonText animated style={{ width: '20%' }} />
              </IonLabel>
            </IonListHeader>
            <IonItem>
              <IonAvatar slot="start">
                <IonSkeletonText animated />
              </IonAvatar>
              <IonLabel>
                <h3>
                  <IonSkeletonText animated style={{ width: '50%' }} />
                </h3>
                <p>
                  <IonSkeletonText animated style={{ width: '80%' }} />
                </p>
                <p>
                  <IonSkeletonText animated style={{ width: '60%' }} />
                </p>
              </IonLabel>
            </IonItem>
            <IonItem>
              <IonThumbnail slot="start">
                <IonSkeletonText animated />
              </IonThumbnail>
              <IonLabel>
                <h3>
                  <IonSkeletonText animated style={{ width: '50%' }} />
                </h3>
                <p>
                  <IonSkeletonText animated style={{ width: '80%' }} />
                </p>
                <p>
                  <IonSkeletonText animated style={{ width: '60%' }} />
                </p>
              </IonLabel>
            </IonItem>
            <IonItem>
              <IonSkeletonText animated style={{ width: '27px', height: '27px' }} slot="start" />
              <IonLabel>
                <h3>
                  <IonSkeletonText animated style={{ width: '50%' }} />
                </h3>
                <p>
                  <IonSkeletonText animated style={{ width: '80%' }} />
                </p>
                <p>
                  <IonSkeletonText animated style={{ width: '60%' }} />
                </p>
              </IonLabel>
            </IonItem>
          </IonList>
        </>
      )}
    </IonContent>
  );
};

/* Custom Skeleton Line Height and Margin */
.custom-skeleton ion-skeleton-text {
  line-height: 13px;
}

.custom-skeleton ion-skeleton-text:last-child {
  margin-bottom: 5px;
}

Stencil

import { Component, State, h } from '@stencil/core';

@Component({
  tag: 'skeleton-text-example',
  styleUrl: 'skeleton-text-example.css',
})
export class SkeletonTextExample {
  @State() data: any;

  componentWillLoad() {
    // Data will show after 5 seconds
    setTimeout(() => {
      this.data = {
        heading: 'Normal text',
        para1: 'Lorem ipsum dolor sit amet, consectetur',
        para2: 'adipiscing elit.',
      };
    }, 5000);
  }

  // Render skeleton screen when there is no data
  renderSkeletonScreen() {
    return [
      <ion-content>
        <div class="ion-padding custom-skeleton">
          <ion-skeleton-text animated style={{ width: '60%' }}></ion-skeleton-text>
          <ion-skeleton-text animated></ion-skeleton-text>
          <ion-skeleton-text animated style={{ width: '88%' }}></ion-skeleton-text>
          <ion-skeleton-text animated style={{ width: '70%' }}></ion-skeleton-text>
          <ion-skeleton-text animated style={{ width: '60%' }}></ion-skeleton-text>
        </div>

        <ion-list>
          <ion-list-header>
            <ion-label>
              <ion-skeleton-text animated style={{ width: '20%' }}></ion-skeleton-text>
            </ion-label>
          </ion-list-header>
          <ion-item>
            <ion-avatar slot="start">
              <ion-skeleton-text animated></ion-skeleton-text>
            </ion-avatar>
            <ion-label>
              <h3>
                <ion-skeleton-text animated style={{ width: '50%' }}></ion-skeleton-text>
              </h3>
              <p>
                <ion-skeleton-text animated style={{ width: '80%' }}></ion-skeleton-text>
              </p>
              <p>
                <ion-skeleton-text animated style={{ width: '60%' }}></ion-skeleton-text>
              </p>
            </ion-label>
          </ion-item>
          <ion-item>
            <ion-thumbnail slot="start">
              <ion-skeleton-text animated></ion-skeleton-text>
            </ion-thumbnail>
            <ion-label>
              <h3>
                <ion-skeleton-text animated style={{ width: '50%' }}></ion-skeleton-text>
              </h3>
              <p>
                <ion-skeleton-text animated style={{ width: '80%' }}></ion-skeleton-text>
              </p>
              <p>
                <ion-skeleton-text animated style={{ width: '60%' }}></ion-skeleton-text>
              </p>
            </ion-label>
          </ion-item>
          <ion-item>
            <ion-skeleton-text animated style={{ width: '27p', height: '27px' }} slot="start"></ion-skeleton-text>
            <ion-label>
              <h3>
                <ion-skeleton-text animated style={{ width: '50%' }}></ion-skeleton-text>
              </h3>
              <p>
                <ion-skeleton-text animated style={{ width: '80%' }}></ion-skeleton-text>
              </p>
              <p>
                <ion-skeleton-text animated style={{ width: '60%' }}></ion-skeleton-text>
              </p>
            </ion-label>
          </ion-item>
        </ion-list>
      </ion-content>,
    ];
  }

  // Render the elements with data
  renderDataScreen() {
    return [
      <ion-content>
        <div class="ion-padding">
          Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ac eros est. Cras iaculis pulvinar arcu non
          vehicula. Fusce at quam a eros malesuada condimentum. Aliquam tincidunt tincidunt vehicula.
        </div>

        <ion-list>
          <ion-list-header>
            <ion-label>Data</ion-label>
          </ion-list-header>
          <ion-item>
            <ion-avatar slot="start">
              <img src="./avatar.svg" />
            </ion-avatar>
            <ion-label>
              <h3>{this.data.heading}</h3>
              <p>{this.data.para1}</p>
              <p>{this.data.para2}</p>
            </ion-label>
          </ion-item>
          <ion-item>
            <ion-thumbnail slot="start">
              <img src="./thumbnail.svg" />
            </ion-thumbnail>
            <ion-label>
              <h3>{this.data.heading}</h3>
              <p>{this.data.para1}</p>
              <p>{this.data.para2}</p>
            </ion-label>
          </ion-item>
          <ion-item>
            <ion-icon name="call" slot="start"></ion-icon>
            <ion-label>
              <h3>{this.data.heading}</h3>
              <p>{this.data.para1}</p>
              <p>{this.data.para2}</p>
            </ion-label>
          </ion-item>
        </ion-list>
      </ion-content>,
    ];
  }

  render() {
    if (this.data) {
      return this.renderDataScreen();
    } else {
      return this.renderSkeletonScreen();
    }
  }
}

/* Custom Skeleton Line Height and Margin */
.custom-skeleton ion-skeleton-text {
  line-height: 13px;
}

.custom-skeleton ion-skeleton-text:last-child {
  margin-bottom: 5px;
}

Vue

<template>
  <!-- Data to display after skeleton screen -->
  <div v-if="data">
    <div class="ion-padding">
      Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ac eros est. Cras iaculis pulvinar arcu non
      vehicula. Fusce at quam a eros malesuada condimentum. Aliquam tincidunt tincidunt vehicula.
    </div>

    <ion-list>
      <ion-list-header>
        <ion-label> Data </ion-label>
      </ion-list-header>
      <ion-item>
        <ion-avatar slot="start">
          <img src="./avatar.svg" />
        </ion-avatar>
        <ion-label>
          <h3>{{ data.heading }}</h3>
          <p>{{ data.para1 }}</p>
          <p>{{ data.para2 }}</p>
        </ion-label>
      </ion-item>
      <ion-item>
        <ion-thumbnail slot="start">
          <img src="./thumbnail.svg" />
        </ion-thumbnail>
        <ion-label>
          <h3>{{ data.heading }}</h3>
          <p>{{ data.para1 }}</p>
          <p>{{ data.para2 }}</p>
        </ion-label>
      </ion-item>
      <ion-item>
        <ion-icon :icon="call" slot="start"></ion-icon>
        <ion-label>
          <h3>{{ data.heading }}</h3>
          <p>{{ data.para1 }}</p>
          <p>{{ data.para2 }}</p>
        </ion-label>
      </ion-item>
    </ion-list>
  </div>

  <!-- Skeleton screen -->
  <div v-if="!data">
    <div class="ion-padding custom-skeleton">
      <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
      <ion-skeleton-text animated></ion-skeleton-text>
      <ion-skeleton-text animated style="width: 88%"></ion-skeleton-text>
      <ion-skeleton-text animated style="width: 70%"></ion-skeleton-text>
      <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
    </div>

    <ion-list>
      <ion-list-header>
        <ion-label>
          <ion-skeleton-text animated style="width: 20%"></ion-skeleton-text>
        </ion-label>
      </ion-list-header>
      <ion-item>
        <ion-avatar slot="start">
          <ion-skeleton-text animated></ion-skeleton-text>
        </ion-avatar>
        <ion-label>
          <h3>
            <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
          </h3>
          <p>
            <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
          </p>
          <p>
            <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
          </p>
        </ion-label>
      </ion-item>
      <ion-item>
        <ion-thumbnail slot="start">
          <ion-skeleton-text animated></ion-skeleton-text>
        </ion-thumbnail>
        <ion-label>
          <h3>
            <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
          </h3>
          <p>
            <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
          </p>
          <p>
            <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
          </p>
        </ion-label>
      </ion-item>
      <ion-item>
        <ion-skeleton-text animated style="width: 27px; height: 27px" slot="start"></ion-skeleton-text>
        <ion-label>
          <h3>
            <ion-skeleton-text animated style="width: 50%"></ion-skeleton-text>
          </h3>
          <p>
            <ion-skeleton-text animated style="width: 80%"></ion-skeleton-text>
          </p>
          <p>
            <ion-skeleton-text animated style="width: 60%"></ion-skeleton-text>
          </p>
        </ion-label>
      </ion-item>
    </ion-list>
  </div>
</template>

<style>
  /* Custom Skeleton Line Height and Margin */
  .custom-skeleton ion-skeleton-text {
    line-height: 13px;
  }

  .custom-skeleton ion-skeleton-text:last-child {
    margin-bottom: 5px;
  }
</style>

<script>
  import {
    IonAvatar,
    IonIcon,
    IonItem,
    IonLabel,
    IonList,
    IonListHeader,
    IonSkeletonText,
    IonThumbnail,
  } from '@ionic/vue';
  import { call } from 'ionicons/icons';
  import { defineComponent, ref } from 'vue';

  export default defineComponent({
    components: {
      IonAvatar,
      IonIcon,
      IonItem,
      IonLabel,
      IonList,
      IonListHeader,
      IonSkeletonText,
      IonThumbnail,
    },
    setup() {
      const data = ref();

      setTimeout(() => {
        data.value = {
          heading: 'Normal text',
          para1: 'Lorem ipsum dolor sit amet, consectetur',
          para2: 'adipiscing elit.',
        };
      }, 5000);

      return { data };
    },
  });
</script>

Properties

animated

Description	trueの場合、スケルトンテキストをアニメーションさせる。
Attribute	animated
Type	boolean
Default	false

Events

No events available for this component.

Methods

No public methods available for this component.

CSS Shadow Parts

No CSS shadow parts available for this component.

CSS Custom Properties

Name	Description
--background	スケルトンテキストの背景
--background-rgb	スケルトンテキストの背景（rgb形式
--border-radius	スケルトンテキストのボーダー半径

Slots

No slots available for this component.