Function extractKeyValue

packages/cli/src/internal/options.ts:1231–1240

(
        value: string
      )

    }
    case "KeyValueMap": {
      const extractKeyValue = (
        value: string
      ): Effect.Effect<[string, string], ValidationError.ValidationError> => {
        const split = value.trim().split(keyValueSplitter, 2)
        if (Arr.isNonEmptyReadonlyArray(split) && split.length === 2 && split[1] !== "") {
          return Effect.succeed(split as unknown as [string, string])
        }
        const error = InternalHelpDoc.p(`Expected a key/value pair but received '${value}'`)
        return Effect.fail(InternalValidationError.invalidArgument(error))
      }
      return parseInternal(self.argumentOption, args, config).pipe(Effect.matchEffect({
        onFailure: (e) =>
          InternalValidationError.isMultipleValuesDetected(e)