Method addExport

src/Module.ts:1085–1160

(
		node: ExportAllDeclaration | ExportNamedDeclaration | ExportDefaultDeclaration
	)

	}

	private addExport(
		node: ExportAllDeclaration | ExportNamedDeclaration | ExportDefaultDeclaration
	): void {
		if (node instanceof ExportDefaultDeclaration) {
			// export default foo;

			this.assertUniqueExportName('default', node.start);
			this.exportDescriptions.set('default', {
				identifier: node.variable.getAssignedVariableName(),
				localName: 'default'
			});
		} else if (node instanceof ExportAllDeclaration) {
			const source = node.source.value;
			this.addSource(source, node);
			if (node.exported) {
				// export * as name from './other'

				const name = node.exported instanceof Literal ? node.exported.value : node.exported.name;
				this.assertUniqueExportName(name, node.exported.start);
				this.reexportDescriptions.set(name, {
					localName: '*',
					module: null as never, // filled in later,
					source,
					start: node.start
				});
			} else {
				// export * from './other'

				this.exportAllSources.add(source);
			}
		} else if (node.source instanceof Literal) {
			// export { name } from './other'

			const source = node.source.value;
			this.addSource(source, node);
			for (const { exported, local, start } of node.specifiers) {
				const name = exported instanceof Literal ? exported.value : exported.name;
				this.assertUniqueExportName(name, start);
				this.reexportDescriptions.set(name, {
					localName: local instanceof Literal ? local.value : local.name,
					module: null as never, // filled in later,
					source,
					start
				});
			}
		} else if (node.declaration) {
			const declaration = node.declaration;
			if (declaration instanceof VariableDeclaration) {
				// export var { foo, bar } = ...
				// export var foo = 1, bar = 2;

				for (const declarator of declaration.declarations) {
					for (const localName of extractAssignedNames(declarator.id)) {
						this.assertUniqueExportName(localName, declarator.id.start);
						this.exportDescriptions.set(localName, { identifier: null, localName });
					}
				}
			} else {