add wrapNullish() as an available option

[tonyboylehub]

wrapNullable didn't account for an undefined input and would result in a return value of some(undefined) causing isNone checks to not pass if undefined was the nullable value.

export const wrapNullable = <T>(nullable: Nullable<T>): Option<T> =>
  nullable !== null ? some(nullable) : none<T>();

Added a wrapNullish function to check for both null and undefined which will return the value of none() if null or undefined is the presented nullish value.

export const wrapNullish = <T>(nullish: Nullish<T>): Option<T> =>
  nullish !== null && nullish !== undefined ? some(nullish) : none<T>();

• Nullish type added.
• wrapNullish function added.
• Tests for wrapNullish added.

[changeset-bot]

🦋 Changeset detected

Latest commit: f9033fa

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 22 packages

Name	Type
@metaplex-foundation/umi-options	Major
@metaplex-foundation/umi-serializers	Major
@metaplex-foundation/umi	Major
@metaplex-foundation/umi-bundle-defaults	Major
@metaplex-foundation/umi-bundle-tests	Major
@metaplex-foundation/umi-downloader-http	Major
@metaplex-foundation/umi-eddsa-web3js	Major
@metaplex-foundation/umi-http-fetch	Major
@metaplex-foundation/umi-program-repository	Major
@metaplex-foundation/umi-rpc-chunk-get-accounts	Major
@metaplex-foundation/umi-rpc-web3js	Major
@metaplex-foundation/umi-serializer-beet	Major
@metaplex-foundation/umi-serializer-data-view	Major
@metaplex-foundation/umi-signer-derived	Major
@metaplex-foundation/umi-signer-wallet-adapters	Major
@metaplex-foundation/umi-storage-mock	Major
@metaplex-foundation/umi-transaction-factory-web3js	Major
@metaplex-foundation/umi-uploader-aws	Major
@metaplex-foundation/umi-uploader-bundlr	Major
@metaplex-foundation/umi-uploader-irys	Major
@metaplex-foundation/umi-uploader-nft-storage	Major
@metaplex-foundation/umi-web3js-adapters	Major

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[tonyboylehub]

@blockiosaurus before I merge this are we happy that all these packages are going up a major release?

[blockiosaurus]

Yup that's fine by me.