Function collapseSourcemap

src/utils/collapseSourcemaps.ts:246–266

(
	id: string,
	originalCode: string,
	originalSourcemap: ExistingDecodedSourceMap | null,
	sourcemapChain: readonly DecodedSourceMapOrMissing[],
	log: LogHandler
)

}

export function collapseSourcemap(
	id: string,
	originalCode: string,
	originalSourcemap: ExistingDecodedSourceMap | null,
	sourcemapChain: readonly DecodedSourceMapOrMissing[],
	log: LogHandler
): ExistingDecodedSourceMap | null {
	if (sourcemapChain.length === 0) {
		return originalSourcemap;
	}

	const source = getCollapsedSourcemap(
		id,
		originalCode,
		originalSourcemap,
		sourcemapChain,
		getLinkMap(log)
	) as Link;
	const map = source.traceMappings();
	return decodedSourcemap({ version: 3, ...map });
}