vue-ele-form-yd/lib/mixins/attrsMixin.js

基于 element-ui 的数据驱动表单组件

import { isEmpty } from '../tools/utils'

// 专门为了获取 attrs
const cloneDeep = require('clone')
export default {
  computed: {
    // 获取组件名: 去除EleForm, 并将组件转为 kebab-case
    componentName() {
      let name = this.$options.name
      name = name
        .replace('EleForm', '')
        .replace(/[A-Z\u00C0-\u00D6\u00D8-\u00DE]/g, '-$&')
        .toLowerCase()
      if (name.startsWith('-')) name = name.slice(1)
      return name
    },
    // 全局属性
    globalAttrs() {
      return this.$EleFormParams || {}
    },
    // 全局上传组件属性
    globalUploadAttrs() {
      return this.globalAttrs.upload || {}
    },
    // 全局组件属性
    globalComponentAttrs() {
      if (this.isUploadComponent) {
        return Object.assign(
          {},
          this.globalUploadAttrs,
          this.globalAttrs[this.componentName]
        )
      } else {
        return this.globalAttrs[this.componentName]
      }
    },
    customAttrs() {
      let attrs = {}
      if (!isEmpty(this.defDesc)) {
        attrs = cloneDeep(this.defDesc.attrs || {})
      }
      // 对 placeholder 做特殊处理，如果为空则删除，在下面的计算属性中，则可使用默认值
      if (!attrs.placeholder) {
        delete attrs.placeholder
      }
      return attrs
    },
    // 属性: 默认属性 + 全局属性 + 自定义属性
    attrs() {
      // console.log(this.defDesc.label + 'attrs')
      // console.log(this.globalComponentAttrs)
      // console.log(this.defaultAttrs)
      // console.log(this.customAttrs)
      return Object.assign(
        {},
        this.defaultAttrs,
        this.globalComponentAttrs,
        this.customAttrs,
        { disabled: this.disabled || this.customAttrs.disabled },
        { readonly: this.readonly || this.customAttrs.readonly }
      )
    }
  }
}