[BUG] typescript-axios generator ignores additional property basePath

Description

The typescript-axios code Generator ignores the additional property 'basePath' (-p basePath=).

openapi-generator version

5.0.0-beta, master branch, rev. c89a5c416d95c18a635ebcca7d683e68b703672d

OpenAPI declaration file content or url

https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml

Generation Details

generated-petstore-typescript-axios/base.ts:

export const BASE_PATH = "http://petstore.swagger.io/v2".replace(/\/+$/, "");

But should be with cli-Option -p basePath=/foobar:

export const BASE_PATH = "/foobar".replace(/\/+$/, "");

Steps to reproduce

java -jar openapi-generator-cli.jar generate -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml --generator-Name typescript-axios -o generated-petstore-typescript-axios -p basePath=foobar

The Generator typescript-angular does respect this additional property:

java -jar openapi-generator-cli.jar generate -i https://raw.githubusercontent.com/openapitools/openapi-generator/master/modules/openapi-generator/src/test/resources/2_0/petstore.yaml --generator-name typescript-angular -o generated-petstore-typescript-angular -p basePath=/foobar

generated-petstore-typescript-angular\api\pet.service.ts:

export class PetService {

    protected basePath = '/foobar';
…
}

Related issues/PRs

PR #3601

Reproduce the issue with the typescript-axios generator, the petstore.yaml URL, and -p basePath=/foobar, then inspect generated-petstore-typescript-axios/base.ts. Compare the result with the typescript-angular output shown in the report. Done means the generated TypeScript Axios client uses the supplied basePath instead of the specification's default URL.