Function listSelectionDef

src/lib/item-input/misc.ts:156–174

(name: string, validItems: T[], options?: ListSelectionDefOptions<T>)

 * Create an `InputDefinition` for selecting items from a list.
 */
export const listSelectionDef = <T=string>(name: string, validItems: T[], options?: ListSelectionDefOptions<T>): InputDefinition<T> => {
	const summarizeForEdit = options?.summarizeForEdit ?? stringFromUnknown

	const updateFromUserInput = async (original?: T): Promise<T | CancelAction> => {
		const choices: Choice<T | CancelAction>[] = validItems.map((validItem: T) => ({
			name: summarizeForEdit(validItem),
			value: validItem,
		}))
		choices.push(cancelOption)

		const chosen = await select({ message: `Select ${name}:`, choices, default: original })

		return chosen
	}

	const buildFromUserInput = async (): Promise<T | CancelAction> => updateFromUserInput(options?.default)

	return { name, buildFromUserInput, summarizeForEdit, updateFromUserInput }
}

export type OptionalDefPredicateFn = (context?: unknown[]) => boolean
export type OptionalDefOptions = {