quasar/src/components/item/QItemLabel.js

Build high-performance VueJS user interfaces (SPA, PWA, SSR, Mobile and Desktop) in record time

import { h, computed } from 'vue'

import { createComponent } from '../../utils/private/create.js'
import { hSlot } from '../../utils/private/render.js'

export default createComponent({
  name: 'QItemLabel',

  props: {
    overline: Boolean,
    caption: Boolean,
    header: Boolean,
    lines: [ Number, String ]
  },

  setup (props, { slots }) {
    const parsedLines = computed(() => parseInt(props.lines, 10))

    const classes = computed(() =>
      'q-item__label'
      + (props.overline === true ? ' q-item__label--overline text-overline' : '')
      + (props.caption === true ? ' q-item__label--caption text-caption' : '')
      + (props.header === true ? ' q-item__label--header' : '')
      + (parsedLines.value === 1 ? ' ellipsis' : '')
    )

    const style = computed(() => {
      return props.lines !== void 0 && parsedLines.value > 1
        ? {
            overflow: 'hidden',
            display: '-webkit-box',
            '-webkit-box-orient': 'vertical',
            '-webkit-line-clamp': parsedLines.value
          }
        : null
    })

    return () => h('div', {
      style: style.value,
      class: classes.value
    }, hSlot(slots.default))
  }
})