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Edit File: richtext.js

/* @flow */

function getVNodeType (vnode: VNode): string {
  if (!vnode.tag) {
    return ''
  }
  return vnode.tag.replace(/vue\-component\-(\d+\-)?/, '')
}

function isSimpleSpan (vnode: VNode): boolean {
  return vnode.children &&
    vnode.children.length === 1 &&
    !vnode.children[0].tag
}

function parseStyle (vnode: VNode): Object | void {
  if (!vnode || !vnode.data) {
    return
  }
  const { staticStyle, staticClass } = vnode.data
  if (vnode.data.style || vnode.data.class || staticStyle || staticClass) {
    const styles = Object.assign({}, staticStyle, vnode.data.style)
    const cssMap = vnode.context.$options.style || {}
    const classList = [].concat(staticClass, vnode.data.class)
    classList.forEach(name => {
      if (name && cssMap[name]) {
        Object.assign(styles, cssMap[name])
      }
    })
    return styles
  }
}

function convertVNodeChildren (children: Array<VNode>): Array<VNode> | void {
  if (!children.length) {
    return
  }

return children.map(vnode => {
    const type: string = getVNodeType(vnode)
    const props: Object = { type }

// convert raw text node
    if (!type) {
      props.type = 'span'
      props.attr = {
        value: (vnode.text || '').trim()
      }
    } else {
      props.style = parseStyle(vnode)
      if (vnode.data) {
        props.attr = vnode.data.attrs
        if (vnode.data.on) {
          props.events = vnode.data.on
        }
      }
      if (type === 'span' && isSimpleSpan(vnode)) {
        props.attr = props.attr || {}
        props.attr.value = vnode.children[0].text.trim()
        return props
      }
    }

if (vnode.children && vnode.children.length) {
      props.children = convertVNodeChildren(vnode.children)
    }

return props
  })
}

export default {
  name: 'richtext',
  render (h: Function) {
    return h('weex:richtext', {
      on: this._events,
      attrs: {
        value: convertVNodeChildren(this.$options._renderChildren || [])
      }
    })
  }
}

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