// RESET //
var codeRanOnce = false;
var tryTreeViewCloseInterval = null;
var tryTreeViewCloseIntervalCount = 0;


// EXECUTE CODE WHEN WORKSPACE IS OPENED //
atom.workspace.onDidOpen(function({item}){
	// make sure the code doesn't run twice
	if(codeRanOnce) return;
	
	// remember that the code ran once
	codeRanOnce = true;
	
	// schedule multiple tries to close the tree-view
	tryTreeViewClose();
	tryTreeViewCloseInterval = setInterval(tryTreeViewClose, 100);
});


// TRY TO CLOSE THE TREE-VIEW //
tryTreeViewClose = function(){
	// get tree-view element
	var treeView = atom.workspace.paneContainerForURI("atom://tree-view");
	
	// time out after too many tries
	tryTreeViewCloseIntervalCount++;
	if(tryTreeViewCloseIntervalCount >= 20){
		clearInterval(tryTreeViewCloseInterval);
		return;
	}
	
	// check if tree-view element exists
	if(!treeView) return;
	
	// check whether tree view contains projects
	var treeViewHasProjects = (treeView.element.querySelector("ol.tree-view-root") != null);
	
	// close the tree-view dock when the `Hidden On Startup` setting is activated or when it is empty
	let treeViewSettings = atom.packages.config.settings["tree-view"] ?? {};
	let hiddenOnStartup = treeViewSettings.hiddenOnStartup ?? false;
	if(hiddenOnStartup || !treeViewHasProjects){
		treeView.hide();
	}
	
	// stop trying
	clearInterval(tryTreeViewCloseInterval);
}