Function contextifySourceMap

lib/NormalModule.js:654–680

(context, sourceMap, associatedObjectForCache)

 * @returns {string | RawSourceMap} new source map
 */
const contextifySourceMap = (context, sourceMap, associatedObjectForCache) => {
	if (typeof sourceMap === "string" || !Array.isArray(sourceMap.sources)) {
		return sourceMap;
	}
	const { sourceRoot } = sourceMap;
	/** @type {(source: string) => string} */
	const mapper = !sourceRoot
		? (source) => source
		: sourceRoot.endsWith("/")
			? (source) =>
					source.startsWith("/")
						? `${sourceRoot.slice(0, -1)}${source}`
						: `${sourceRoot}${source}`
			: (source) =>
					source.startsWith("/")
						? `${sourceRoot}${source}`
						: `${sourceRoot}/${source}`;
	const newSources = sourceMap.sources.map((source) =>
		contextifySourceUrl(context, mapper(source), associatedObjectForCache)
	);
	return {
		...sourceMap,
		file: "x",
		sourceRoot: undefined,
		sources: newSources
	};
};

/**
 * @param {string | Buffer} input the input