issue on - generate client when yaml has mutiple same external ref

[aaronxiang0926]

Description

A brief description of the bug.

issue on - generate client when yaml has mutiple same external ref

Paste full error message

Name	Version
openapi-typescript	0.46.2
Node.js	18
OS + version	Windows 11,

Reproduction
in my yaml file:

How can this be reproduced / when did the error occur?

npx openapi-ts -c node/fetch xxx.yaml -o ./tmp
after execute the generate command , the issue will be follow:

Expected result

(in case it’s not obvious)

Checklist

• My OpenAPI schema passes the Redocly validator (npx @redocly/cli@latest lint)
• I’m willing to open a PR (see CONTRIBUTING.md)