FM / util

/var/www/cobraambalaj/node_modules/webpack/lib/util/

/var/www/cobraambalaj/node_modules/webpack/lib/util

Name	Size	Mode	Actions
ArrayHelpers.js	280	0644	edit dl rm
ArrayQueue.js	2092	0644	edit dl rm
AsyncQueue.js	8272	0644	edit dl rm
binarySearchBounds.js	1907	0644	edit dl rm
cleverMerge.js	16529	0644	edit dl rm
comparators.js	12280	0644	edit dl rm
compileBooleanMatcher.js	5822	0644	edit dl rm
createHash.js	4094	0644	edit dl rm
DataURI.js	702	0644	edit dl rm
deprecation.js	6327	0644	edit dl rm
deterministicGrouping.js	11413	0644	edit dl rm
extractUrlAndGlobal.js	416	0644	edit dl rm
findGraphRoots.js	6111	0644	edit dl rm
fs.js	9505	0644	edit dl rm
Hash.js	925	0644	edit dl rm
identifier.js	9248	0644	edit dl rm
internalSerializables.js	9703	0644	edit dl rm
IterableHelpers.js	962	0644	edit dl rm
LazyBucketSortedSet.js	5732	0644	edit dl rm
LazySet.js	4434	0644	edit dl rm
makeSerializable.js	660	0644	edit dl rm
MapHelpers.js	472	0644	edit dl rm
memoize.js	604	0644	edit dl rm
numberHash.js	1060	0644	edit dl rm
objectToMap.js	346	0644	edit dl rm
ParallelismFactorCalculator.js	1528	0644	edit dl rm
processAsyncTree.js	1468	0644	edit dl rm
propertyAccess.js	522	0644	edit dl rm
Queue.js	1048	0644	edit dl rm
registerExternalSerializer.js	7888	0644	edit dl rm
runtime.js	14613	0644	edit dl rm
Semaphore.js	1008	0644	edit dl rm
semver.js	15546	0644	edit dl rm
serialization.js	2502	0644	edit dl rm
SetHelpers.js	2316	0644	edit dl rm
smartGrouping.js	4598	0644	edit dl rm
SortableSet.js	3635	0644	edit dl rm
source.js	1759	0644	edit dl rm
StackedMap.js	3453	0644	edit dl rm
StackedSetMap.js	3453	0644	edit dl rm
StringXor.js	1062	0644	edit dl rm
TupleQueue.js	1317	0644	edit dl rm
TupleSet.js	2909	0644	edit dl rm
URLAbsoluteSpecifier.js	2553	0644	edit dl rm

Edit: /var/www/cobraambalaj/node_modules/webpack/lib/util/findGraphRoots.js (6111B)

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const NO_MARKER = 0;
const IN_PROGRESS_MARKER = 1;
const DONE_MARKER = 2;
const DONE_MAYBE_ROOT_CYCLE_MARKER = 3;
const DONE_AND_ROOT_MARKER = 4;

/**
 * @template T
 */
class Node {
	/**
	 * @param {T} item the value of the node
	 */
	constructor(item) {
		this.item = item;
		/** @type {Set<Node<T>>} */
		this.dependencies = new Set();
		this.marker = NO_MARKER;
		/** @type {Cycle<T> | undefined} */
		this.cycle = undefined;
		this.incoming = 0;
	}
}

/**
 * @template T
 */
class Cycle {
	constructor() {
		/** @type {Set<Node<T>>} */
		this.nodes = new Set();
	}
}

/**
 * @template T
 * @typedef {Object} StackEntry
 * @property {Node<T>} node
 * @property {Node<T>[]} openEdges
 */

/**
 * @template T
 * @param {Iterable<T>} items list of items
 * @param {function(T): Iterable<T>} getDependencies function to get dependencies of an item (items that are not in list are ignored)
 * @returns {Iterable<T>} graph roots of the items
 */
module.exports = (items, getDependencies) => {
	/** @type {Map<T, Node<T>>} */
	const itemToNode = new Map();
	for (const item of items) {
		const node = new Node(item);
		itemToNode.set(item, node);
	}

// early exit when there is only a single item
	if (itemToNode.size <= 1) return items;

// grab all the dependencies
	for (const node of itemToNode.values()) {
		for (const dep of getDependencies(node.item)) {
			const depNode = itemToNode.get(dep);
			if (depNode !== undefined) {
				node.dependencies.add(depNode);
			}
		}
	}

// Set of current root modules
	// items will be removed if a new reference to it has been found
	/** @type {Set<Node<T>>} */
	const roots = new Set();

// Set of current cycles without references to it
	// cycles will be removed if a new reference to it has been found
	// that is not part of the cycle
	/** @type {Set<Cycle<T>>} */
	const rootCycles = new Set();

// For all non-marked nodes
	for (const selectedNode of itemToNode.values()) {
		if (selectedNode.marker === NO_MARKER) {
			// deep-walk all referenced modules
			// in a non-recursive way

// start by entering the selected node
			selectedNode.marker = IN_PROGRESS_MARKER;

// keep a stack to avoid recursive walk
			/** @type {StackEntry<T>[]} */
			const stack = [
				{
					node: selectedNode,
					openEdges: Array.from(selectedNode.dependencies)
				}
			];

// process the top item until stack is empty
			while (stack.length > 0) {
				const topOfStack = stack[stack.length - 1];

// Are there still edges unprocessed in the current node?
				if (topOfStack.openEdges.length > 0) {
					// Process one dependency
					const dependency = topOfStack.openEdges.pop();
					switch (dependency.marker) {
						case NO_MARKER:
							// dependency has not be visited yet
							// mark it as in-progress and recurse
							stack.push({
								node: dependency,
								openEdges: Array.from(dependency.dependencies)
							});
							dependency.marker = IN_PROGRESS_MARKER;
							break;
						case IN_PROGRESS_MARKER: {
							// It's a in-progress cycle
							let cycle = dependency.cycle;
							if (!cycle) {
								cycle = new Cycle();
								cycle.nodes.add(dependency);
								dependency.cycle = cycle;
							}
							// set cycle property for each node in the cycle
							// if nodes are already part of a cycle
							// we merge the cycles to a shared cycle
							for (
								let i = stack.length - 1;
								stack[i].node !== dependency;
								i--
							) {
								const node = stack[i].node;
								if (node.cycle) {
									if (node.cycle !== cycle) {
										// merge cycles
										for (const cycleNode of node.cycle.nodes) {
											cycleNode.cycle = cycle;
											cycle.nodes.add(cycleNode);
										}
									}
								} else {
									node.cycle = cycle;
									cycle.nodes.add(node);
								}
							}
							// don't recurse into dependencies
							// these are already on the stack
							break;
						}
						case DONE_AND_ROOT_MARKER:
							// This node has be visited yet and is currently a root node
							// But as this is a new reference to the node
							// it's not really a root
							// so we have to convert it to a normal node
							dependency.marker = DONE_MARKER;
							roots.delete(dependency);
							break;
						case DONE_MAYBE_ROOT_CYCLE_MARKER:
							// This node has be visited yet and
							// is maybe currently part of a completed root cycle
							// we found a new reference to the cycle
							// so it's not really a root cycle
							// remove the cycle from the root cycles
							// and convert it to a normal node
							rootCycles.delete(dependency.cycle);
							dependency.marker = DONE_MARKER;
							break;
						// DONE_MARKER: nothing to do, don't recurse into dependencies
					}
				} else {
					// All dependencies of the current node has been visited
					// we leave the node
					stack.pop();
					topOfStack.node.marker = DONE_MARKER;
				}
			}
			const cycle = selectedNode.cycle;
			if (cycle) {
				for (const node of cycle.nodes) {
					node.marker = DONE_MAYBE_ROOT_CYCLE_MARKER;
				}
				rootCycles.add(cycle);
			} else {
				selectedNode.marker = DONE_AND_ROOT_MARKER;
				roots.add(selectedNode);
			}
		}
	}

// Extract roots from root cycles
	// We take the nodes with most incoming edges
	// inside of the cycle
	for (const cycle of rootCycles) {
		let max = 0;
		/** @type {Set<Node<T>>} */
		const cycleRoots = new Set();
		const nodes = cycle.nodes;
		for (const node of nodes) {
			for (const dep of node.dependencies) {
				if (nodes.has(dep)) {
					dep.incoming++;
					if (dep.incoming < max) continue;
					if (dep.incoming > max) {
						cycleRoots.clear();
						max = dep.incoming;
					}
					cycleRoots.add(dep);
				}
			}
		}
		for (const cycleRoot of cycleRoots) {
			roots.add(cycleRoot);
		}
	}

// When roots were found, return them
	if (roots.size > 0) {
		return Array.from(roots, r => r.item);
	} else {
		throw new Error("Implementation of findGraphRoots is broken");
	}
};

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