Method traceVariable

src/Module.ts:987–1043

(
		name: string,
		{
			importerForSideEffects,
			isExportAllSearch,
			searchedNamesAndModules,
			sideEffectModules,
			exportOrReexportModules
		}: {
			importerForSideEffects?: Module;
			isExportAllSearch?: boolean;
			searchedNamesAndModules?: Map<string, Set<Module | ExternalModule>>;
			sideEffectModules?: Set<Module>;
			exportOrReexportModules?: Set<Module>;
		} = EMPTY_OBJECT
	)

	}

	traceVariable(
		name: string,
		{
			importerForSideEffects,
			isExportAllSearch,
			searchedNamesAndModules,
			sideEffectModules,
			exportOrReexportModules
		}: {
			importerForSideEffects?: Module;
			isExportAllSearch?: boolean;
			searchedNamesAndModules?: Map<string, Set<Module | ExternalModule>>;
			sideEffectModules?: Set<Module>;
			exportOrReexportModules?: Set<Module>;
		} = EMPTY_OBJECT
	): Variable | null {
		const localVariable = this.scope.variables.get(name);
		if (localVariable) {
			return localVariable;
		}

		const importDescription = this.importDescriptions.get(name);
		if (importDescription) {
			const otherModule = importDescription.module;

			if (otherModule instanceof Module && importDescription.name === '*') {
				return otherModule.namespace;
			}

			const [declaration, options] = getVariableForExportNameRecursive(
				otherModule,
				importDescription.name,
				importerForSideEffects || this,
				isExportAllSearch,
				searchedNamesAndModules,
				[this.id],
				sideEffectModules,
				exportOrReexportModules
			);

			if (!declaration) {
				return this.error(
					logMissingExport(
						importDescription.name,
						this.id,
						otherModule.id,
						!!options?.missingButExportExists
					),
					importDescription.start
				);
			}

			return declaration;
		}

		return null;
	}