public handleMoniker()

in npm/src/main.ts [248:300]
52 lines of code
17 McCabe index (conditional complexity)

	public handleMoniker(moniker: Moniker): void {
		if (moniker.kind !== MonikerKind.import || moniker.scheme !== TscMoniker.scheme) {
			return;
		}
		const tscMoniker = TscMoniker.parse(moniker.identifier);
		if (!TscMoniker.hasPath(tscMoniker)) {
			return;
		}
		const workspaceRoot = this.source.workspaceRoot;
		if (workspaceRoot === undefined) {
			return;
		}
		const parts = tscMoniker.path.split('/');
		let packagePath: string | undefined;
		let monikerPath: string | undefined;
		for (let i = parts.length - 1; i >= 0; i--) {
			const part = parts[i];
			if (part === 'node_modules') {
				// End is exclusive and one for the name
				const packageIndex = i + (parts[i + 1].startsWith('@') ? 3 : 2);
				packagePath = path.join(workspaceRoot, ...parts.slice(0, packageIndex), `package.json`);
				monikerPath = parts.slice(packageIndex).join('/');
				break;
			}
		}
		if (packagePath === undefined || (monikerPath !== undefined && monikerPath.length === 0)) {
			return;
		}
		let packageData = this.packageData.get(packagePath);
		if (packageData === undefined) {
			const packageJson = PackageJson.read(packagePath);
			if (packageJson === undefined) {
				this.packageData.set(packagePath, null);
			} else {
				packageData = {
					packageInfo: this.queue.createPackageInformation(packageJson),
					packageJson: packageJson
				};
				this.packageData.set(packagePath, packageData);
			}
		}
		if (packageData !== null && packageData !== undefined) {
			let npmIdentifier: string;
			if (packageData.packageJson.typings === monikerPath || packageData.packageJson.main === monikerPath) {
				npmIdentifier = NpmMoniker.create(packageData.packageJson.name, undefined, tscMoniker.name);
			} else {
				npmIdentifier = NpmMoniker.create(packageData.packageJson.name, monikerPath, tscMoniker.name);
			}
			const npmMoniker = this.queue.createMoniker(NpmMoniker.scheme, npmIdentifier, UniquenessLevel.scheme, moniker.kind);
			this.queue.createPackageInformationEdge(npmMoniker.id, packageData.packageInfo.id);
			this.queue.createAttachEdge(npmMoniker.id, moniker.id);
		}
	}