Add the ability to extend esbuild options

[zjpalasz]

From reading some other issues, it sounds like you may be planning to remove esbuild all together. However, in the meantime, I keep running into scenarios that require some specific esbuild options (such as external). This PR allows you to add to the default options:

adapter: azure({
	esbuildOptions: {
		external: [
			'pg-native'
		]
	}
})

[geoffrich]

Thanks for the PR! Are there esbuild options you need to set besides external? If possible, I'd prefer to only expose external to minimize the API surface of the adapter.

Please also update the README with the new adapter configuration option.

[zjpalasz]

No problem. The two I've come across so far are external and keepNames.

Would you prefer it typed to just those two?

type Options = {
	debug?: boolean;
	customStaticWebAppConfig?: CustomStaticWebAppConfig;
	esbuildOptions?: Pick<esbuild.BuildOptions, 'external' | 'keepNames'>;
};

[geoffrich]

Would you prefer it typed to just those two?

Yep, only have those in the typings, and only pass those additional options to esbuild instead of spreading the whole object.

Can you also open an issue with the use cases this is solving for you? This will help me in the future to understand why those options are exposed if I ever remove/replace esbuild.

[zjpalasz]

Fixes #56

[zjpalasz]

Can you also open an issue with the use cases this is solving for you? This will help me in the future to understand why those options are exposed if I ever remove/replace esbuild.

I've added the use case for both options. I did see there have been some changes with the azure blob sdk, since I first ran into the need for keepNames. However, I haven't had a chance to see if it resolves the issue. If you prefer, I can reduce this PR to just exclude until I get a chance to confirm whether keepNames is still needed or not?

[geoffrich]

Thanks for opening the issue. Yes, please update this PR to only add exclude for now and open a separate PR for keepNames if you confirm it is still needed.

[geoffrich]

This is released in 0.9.0. Thanks for your patience!