Preview branch schema edits.

//native

type Xata = {

	apiKey: string

	workspaceUrl: string

}

/**

 * Preview branch schema edits.

 *

 */

export async function main(

	auth: Xata,

	db_branch_name: string,

	body: {

		edits?: {

			sourceMigrationID?: string

			targetMigrationID?: string

			operations:

				| { addTable: { table: string } }

				| { removeTable: { table: string } }

				| { renameTable: { oldName: string; newName: string } }

				| {

						addColumn: {

							table: string

							column: {

								name: string

								type:

									| 'string'

									| 'object'

									| 'bool'

									| 'int'

									| 'float'

									| 'text'

									| 'email'

									| 'multiple'

									| 'link'

									| 'datetime'

									| 'vector'

									| 'file[]'

									| 'file'

									| 'json'

								link?: { table: string }

								vector?: { dimension: number }

								file?: { defaultPublicAccess?: false | true }

								'file[]'?: { defaultPublicAccess?: false | true }

								notNull?: false | true

								defaultValue?: string

								unique?: false | true

								columns?: {}[]

							}

						}

				  }

				| { removeColumn: { table: string; column: string } }

				| {

						renameColumn: { table: string; oldName: string; newName: string }

				  }[]

		}

	}

) {

	const url = new URL(`${auth.workspaceUrl}/db/${db_branch_name}/schema/preview`)

	const response = await fetch(url, {

		method: 'POST',

		headers: {

			'Content-Type': 'application/json',

			Authorization: 'Bearer ' + auth.apiKey

		},

		body: JSON.stringify(body)

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`${response.status} ${text}`)

	}

	return await response.json()

}