Method constructor

src/source_file_map.ts:13–35

(map: { [index: string]: string }, remoteCwd?: string)

	private remoteCwd: string|undefined;

	constructor (map: { [index: string]: string }, remoteCwd?: string) {
		const mappings: Mapping[] = [];
		this.remoteCwd = remoteCwd;
		this.nativePath = this.getNativePath();
		for (let [remotePrefix, localPrefix] of Object.entries(map)) {
			// Normalize local path, adding trailing separator if missing.
			localPrefix = this.nativePath.normalizeDir(localPrefix);

			// Try to detect remote path.
			const debuggerPath: PathKind = this.toPathKind(remotePrefix);
			// Normalize remote path, adding trailing separator if missing.
			remotePrefix = debuggerPath.normalizeDir(remotePrefix);

			mappings.push({remote: remotePrefix, local: localPrefix});
		}

		// Sort with longest paths first in case some paths are subsets, so that
		// we match the most appropriate (e.g., with path prefixes of '/home'
		// and '/home/foo', and a complete path of '/home/foo/bar.c', we should
		// match the '/home/foo' path prefix instead of '/home'.
		this.sortedMappings.local  = [...mappings].sort((a: Mapping, b: Mapping) => b.local.length - a.local.length);
		this.sortedMappings.remote = [...mappings].sort((a: Mapping, b: Mapping) => b.remote.length - a.remote.length);
	}

	// The native path selection is isolated here to allow for easy unit testing
	// allowing non-native path types to be tested by overriding this method in