sequelize/types/utils/set-required.d.ts

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

/**
 * Full credits to sindresorhus/type-fest
 *
 * https://github.com/sindresorhus/type-fest/blob/v0.8.1/source/set-required.d.ts
 *
 * Thank you!
 */
export type SetRequired<BaseType, Keys extends keyof BaseType = keyof BaseType> =
	// Pick just the keys that are not required from the base type.
	Pick<BaseType, Exclude<keyof BaseType, Keys>> &
	// Pick the keys that should be required from the base type and make them required.
	Required<Pick<BaseType, Keys>> extends
	// If `InferredType` extends the previous, then for each key, use the inferred type key.
	infer InferredType
		? {[KeyType in keyof InferredType]: InferredType[KeyType]}
		: never;