async function doValidate()

in src/main.ts [559:608]

• 46 lines of code
• 14 McCabe index (conditional complexity)

async function doValidate(document: TextDocument) {
	let report = null;

	let documentWasClosed = false; // track whether the document was closed while getInstalledModules/'npm ls' runs
	const listener = workspace.onDidCloseTextDocument(doc => {
		if (doc.uri === document.uri) {
			documentWasClosed = true;
		}
	});

	try {
		report = await getInstalledModules(path.dirname(document.fileName));
	} catch (e) {
		listener.dispose();
		return;
	}
	try {
		clearDiagnosticCollection();

		if (report.invalid && report.invalid === true) {
			return;
		}
		if (!anyModuleErrors(report)) {
			return;
		}
		if (documentWasClosed || !document.getText()) {
			return;
		}
		const sourceRanges = parseSourceRanges(document.getText());
		const dependencies = report.dependencies;
		if (!dependencies) {
			return;
		}
		const diagnostics: Diagnostic[] = [];
		for (const moduleName in dependencies) {
			if (dependencies.hasOwnProperty(moduleName)) {
				const diagnostic = getDiagnostic(document, report, moduleName, sourceRanges);
				if (diagnostic) {
					diagnostic.source = 'npm';
					diagnostics.push(diagnostic);
				}
			}
		}
		//console.log("diagnostic count ", diagnostics.length, " ", document.uri.fsPath);
		diagnosticCollection!.set(document.uri, diagnostics);
	} catch (e) {
		window.showInformationMessage(`[npm-script-runner] Cannot validate the package.json ` + e);
		console.log(`npm-script-runner: 'error while validating package.json stacktrace: ${e.stack}`);
	}
}