Function mergeCall

packages/compiler-ssr/src/transforms/ssrTransformElement.ts:428–435

(call: CallExpression, arg: string | JSChildNode)

}

function mergeCall(call: CallExpression, arg: string | JSChildNode) {
  const existing = call.arguments[0] as ExpressionNode | ArrayExpression
  if (existing.type === NodeTypes.JS_ARRAY_EXPRESSION) {
    existing.elements.push(arg)
  } else {
    call.arguments[0] = createArrayExpression([existing, arg])
  }
}

function removeStaticBinding(
  tag: TemplateLiteral['elements'],