Function readFieldInput

src/commands/command-input.ts:245–267

(
  input: unknown,
  fields: TFields,
)

}

export function readFieldInput<TFields extends CommandFieldMap>(
  input: unknown,
  fields: TFields,
): InferCommandInput<TFields> {
  const record = readInputRecord(input);
  const commandOptions = Object.fromEntries(
    Object.entries(fields).flatMap(([key, field]) => {
      const value = field.read(record, key);
      if (field.required && value === undefined) {
        throw new Error(`Expected ${key} to be set.`);
      }
      return value === undefined ? [] : [[key, value]];
    }),
  );
  const commonInput = readCommonInput(record, {
    readTargetAlias: !Object.hasOwn(fields, 'target'),
  });
  return compactRecord({
    ...commonInput,
    ...commonToClientOptions(commonInput),
    ...commandOptions,
  }) as InferCommandInput<TFields>;
}

export function readInputRecord(input: unknown): Record<string, unknown> {
  if (input === undefined || input === null) return {};