使用vue-tables-2返回JSX时遇Duplicate declaration "h"内部错误求助

Hey there, let’s work through that Duplicate declaration "h" error you’re facing with vue-tables-2 and JSX templates! Here are some actionable fixes to try:

• Remove the explicit h parameter from your template function
  It sounds like vue-tables-2 might already be injecting the h (createElement) function into the template scope automatically in your current project setup. By adding it as a parameter, you’re accidentally redeclaring it. Try updating your code to:

  templates: {
    status: function () { 
      return <i class="cssIcon"></i> 
    }
  }
  

  Or using a cleaner arrow function:

  templates: {
    status: () => <i class="cssIcon"></i>
  }
  

• Check for accidental duplicate h declarations elsewhere
  Double-check if you’ve defined a variable named h elsewhere in your component (like in another template function, a method, or even the component’s data/props). Even a stray const h = ... could clash with the injected h function from vue-tables-2.

• Verify your JSX compilation setup
  If you’re using a custom Babel configuration, make sure you’re using the correct Vue JSX plugin (like @vue/babel-plugin-transform-vue-jsx for Vue 2 or @vitejs/plugin-vue-jsx for Vue 3/Vite). Misconfigured plugins can sometimes cause duplicate h injection issues. Avoid having multiple JSX-related plugins enabled at once.

• Try explicit h import (as a fallback)
  If the above steps don’t work, you can explicitly import the h function and use it directly (ditching JSX temporarily to test, or adjusting the JSX setup):

  // For Vue 2
  import Vue from 'vue'
  const h = Vue.createElement
  
  // For Vue 3
  import { h } from 'vue'
  
  templates: {
    status: function () { 
      return h('i', { class: 'cssIcon' })
    }
  }
  

• Check your vue-tables-2 version
  API changes between versions could be the culprit. If you upgraded from a version where passing h was required to a newer one where it’s injected automatically, that would trigger this error. Cross-reference the documentation for your exact package version to confirm the template function signature.

内容的提问来源于stack exchange，提问作者Lovelock