Function h

packages/runtime-core/src/h.ts:204–232

(type: any, propsOrChildren?: any, children?: any)

// Actual implementation
export function h(type: any, propsOrChildren?: any, children?: any): VNode {
  try {
    // #6913 disable tracking block in h function
    setBlockTracking(-1)
    const l = arguments.length
    if (l === 2) {
      if (isObject(propsOrChildren) && !isArray(propsOrChildren)) {
        // single vnode without props
        if (isVNode(propsOrChildren)) {
          return createVNode(type, null, [propsOrChildren])
        }
        // props without children
        return createVNode(type, propsOrChildren)
      } else {
        // omit props
        return createVNode(type, null, propsOrChildren)
      }
    } else {
      if (l > 3) {
        children = Array.prototype.slice.call(arguments, 2)
      } else if (l === 3 && isVNode(children)) {
        children = [children]
      }
      return createVNode(type, propsOrChildren, children)
    }
  } finally {
    setBlockTracking(1)
  }
}