Adding guard

[manas-vessel]

Description

Please provide a detailed description of the changes and the intent behind them :)

This lets you set a default value if an async function errors out.

const users = await guard(fetchUsers()) ?? [];

You can choose to guard only specific errors too

const isInvalidUserError = (err: any) => err.code === 'INVALID_ID'
const user = await guard(fetchUser, isInvalidUserError)(id) ?? DEFAULT_USER;

Checklist

• Changes are covered by tests if behavior has been changed or added
• Tests have 100% coverage
• If code changes were made, the version in package.json has been bumped (matching semver)
• If code changes were made, the yarn build command has been run and to update the cdn directory
• If code changes were made, the documentation (in the /docs directory) has been updated

Resolves

If the PR resolves an open issue tag it here. For example, Resolves #34

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Name	Status	Preview	Comments	Updated
radash-docs	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Mar 28, 2023 at 6:57PM (UTC)