@brendonovich/kobalte__solidbase/src/vite-mdx/viteMdxTransclusion/ImportMap.ts

Fully featured, fully customisable static site generation for SolidStart

export class ImportMap {
	/** Track importers by their imports */
	importers = new Map<string, Set<string>>();
	/** Track imports by their importers */
	imports = new Map<string, Set<string>>();

	addImport(id: string, importer: string) {
		let imports = this.imports.get(importer);
		if (!imports) this.imports.set(importer, (imports = new Set()));
		imports.add(id);

		let importers = this.importers.get(id);
		if (!importers) this.importers.set(id, (importers = new Set()));
		importers.add(importer);
	}

	deleteImporter(importer: string) {
		if (this.imports.delete(importer))
			this.importers.forEach((importers, id) => {
				importers.delete(importer);
				if (!importers.size) {
					this.importers.delete(id);
				}
			});
	}
}