core/packages/compiler-ssr/src/runtimeHelpers.ts

import { registerRuntimeHelpers } from '@vue/compiler-dom'

export const SSR_INTERPOLATE = Symbol(`interpolate`)
export const SSR_RENDER_COMPONENT = Symbol(`renderComponent`)
export const SSR_RENDER_SLOT = Symbol(`renderSlot`)
export const SSR_RENDER_CLASS = Symbol(`renderClass`)
export const SSR_RENDER_STYLE = Symbol(`renderStyle`)
export const SSR_RENDER_ATTRS = Symbol(`renderAttrs`)
export const SSR_RENDER_ATTR = Symbol(`renderAttr`)
export const SSR_RENDER_LIST = Symbol(`renderList`)

// Note: these are helpers imported from @vue/server-renderer
// make sure the names match!
registerRuntimeHelpers({
  [SSR_INTERPOLATE]: `_interpolate`,
  [SSR_RENDER_COMPONENT]: `_renderComponent`,
  [SSR_RENDER_SLOT]: `_renderSlot`,
  [SSR_RENDER_CLASS]: `_renderClass`,
  [SSR_RENDER_STYLE]: `_renderStyle`,
  [SSR_RENDER_ATTRS]: `renderAttrs`,
  [SSR_RENDER_ATTR]: `renderAttr`,
  [SSR_RENDER_LIST]: `_renderList`
})