Function parse

src/utils/source-value.test.ts:7–9

(definition: SourceValueDefinition, value: unknown)

const LABEL = 'config file';

function parse(definition: SourceValueDefinition, value: unknown) {
  return parseSourceValue(definition, value, LABEL, 'someKey');
}

function expectInvalidArgs(fn: () => unknown, messageFragment?: string) {
  expect(fn).toThrow(