Function ssrInjectCssVars

packages/compiler-ssr/src/transforms/ssrInjectCssVars.ts:12–36

(node, context)

} from '@vue/compiler-dom'

export const ssrInjectCssVars: NodeTransform = (node, context) => {
  if (!context.ssrCssVars) {
    return
  }

  // _cssVars is initialized once per render function
  // the code is injected in ssrCodegenTransform when creating the
  // ssr transform context
  if (node.type === NodeTypes.ROOT) {
    context.identifiers._cssVars = 1
  }

  const parent = context.parent
  if (!parent || parent.type !== NodeTypes.ROOT) {
    return
  }

  if (node.type === NodeTypes.IF_BRANCH) {
    for (const child of node.children) {
      injectCssVars(child)
    }
  } else {
    injectCssVars(node)
  }
}

function injectCssVars(node: RootNode | TemplateChildNode) {
  if (