Method handleInvalidResolvedId

src/ModuleLoader.ts:669–693

(
		resolvedId: ResolvedId | null,
		source: string,
		importer: string,
		attributes: Record<string, string>
	)

	}

	private handleInvalidResolvedId(
		resolvedId: ResolvedId | null,
		source: string,
		importer: string,
		attributes: Record<string, string>
	): ResolvedId {
		if (resolvedId === null) {
			if (isRelative(source)) {
				return error(logUnresolvedImport(source, importer));
			}
			this.options.onLog(LOGLEVEL_WARN, logUnresolvedImportTreatedAsExternal(source, importer));
			return {
				attributes,
				external: true,
				id: source,
				meta: {},
				moduleSideEffects: this.hasModuleSideEffects(source, true),
				resolvedBy: 'rollup',
				syntheticNamedExports: false
			};
		} else if (resolvedId.external && resolvedId.syntheticNamedExports) {
			this.options.onLog(LOGLEVEL_WARN, logExternalSyntheticExports(source, importer));
		}
		return resolvedId;
	}

	private async loadEntryModule(
		unresolvedId: string,