api, login, auth

1 files changed, 712 insertions, 0 deletions

diff --git a/node_modules/webpack/lib/buildChunkGraph.js b/node_modules/webpack/lib/buildChunkGraph.js
new file mode 100644
index 0000000..4198441
--- /dev/null
+++ b/node_modules/webpack/lib/buildChunkGraph.js
@@ -0,0 +1,712 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const AsyncDependencyToInitialChunkError = require("./AsyncDependencyToInitialChunkError");
+const GraphHelpers = require("./GraphHelpers");
+
+/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./ChunkGroup")} ChunkGroup */
+/** @typedef {import("./Compilation")} Compilation */
+/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./Entrypoint")} Entrypoint */
+/** @typedef {import("./Module")} Module */
+
+/**
+ * @typedef {Object} QueueItem
+ * @property {number} action
+ * @property {DependenciesBlock} block
+ * @property {Module} module
+ * @property {Chunk} chunk
+ * @property {ChunkGroup} chunkGroup
+ */
+
+/**
+ * @typedef {Object} ChunkGroupInfo
+ * @property {ChunkGroup} chunkGroup the chunk group
+ * @property {Set<Module>} minAvailableModules current minimal set of modules available at this point
+ * @property {boolean} minAvailableModulesOwned true, if minAvailableModules is owned and can be modified
+ * @property {Set<Module>[]} availableModulesToBeMerged enqueued updates to the minimal set of available modules
+ * @property {QueueItem[]} skippedItems queue items that were skipped because module is already available in parent chunks (need to reconsider when minAvailableModules is shrinking)
+ * @property {Set<Module>} resultingAvailableModules set of modules available including modules from this chunk group
+ * @property {Set<ChunkGroup>} children set of children chunk groups, that will be revisited when availableModules shrink
+ */
+
+/**
+ * @typedef {Object} BlockChunkGroupConnection
+ * @property {ChunkGroupInfo} originChunkGroupInfo origin chunk group
+ * @property {ChunkGroup} chunkGroup referenced chunk group
+ */
+
+/**
+ * @template T
+ * @param {Set<T>} a first set
+ * @param {Set<T>} b second set
+ * @returns {number} cmp
+ */
+const bySetSize = (a, b) => {
+	return b.size - a.size;
+};
+
+/**
+ * Extracts simplified info from the modules and their dependencies
+ * @param {Compilation} compilation the compilation
+ * @returns {Map<DependenciesBlock, { modules: Iterable<Module>, blocks: AsyncDependenciesBlock[]}>} the mapping block to modules and inner blocks
+ */
+const extraceBlockInfoMap = compilation => {
+	/** @type {Map<DependenciesBlock, { modules: Iterable<Module>, blocks: AsyncDependenciesBlock[]}>} */
+	const blockInfoMap = new Map();
+
+	/**
+	 * @param {Dependency} d dependency to iterate over
+	 * @returns {void}
+	 */
+	const iteratorDependency = d => {
+		// We skip Dependencies without Reference
+		const ref = compilation.getDependencyReference(currentModule, d);
+		if (!ref) {
+			return;
+		}
+		// We skip Dependencies without Module pointer
+		const refModule = ref.module;
+		if (!refModule) {
+			return;
+		}
+		// We skip weak Dependencies
+		if (ref.weak) {
+			return;
+		}
+
+		blockInfoModules.add(refModule);
+	};
+
+	/**
+	 * @param {AsyncDependenciesBlock} b blocks to prepare
+	 * @returns {void}
+	 */
+	const iteratorBlockPrepare = b => {
+		blockInfoBlocks.push(b);
+		blockQueue.push(b);
+	};
+
+	/** @type {Module} */
+	let currentModule;
+	/** @type {DependenciesBlock} */
+	let block;
+	/** @type {DependenciesBlock[]} */
+	let blockQueue;
+	/** @type {Set<Module>} */
+	let blockInfoModules;
+	/** @type {AsyncDependenciesBlock[]} */
+	let blockInfoBlocks;
+
+	for (const module of compilation.modules) {
+		blockQueue = [module];
+		currentModule = module;
+		while (blockQueue.length > 0) {
+			block = blockQueue.pop();
+			blockInfoModules = new Set();
+			blockInfoBlocks = [];
+
+			if (block.variables) {
+				for (const variable of block.variables) {
+					for (const dep of variable.dependencies) iteratorDependency(dep);
+				}
+			}
+
+			if (block.dependencies) {
+				for (const dep of block.dependencies) iteratorDependency(dep);
+			}
+
+			if (block.blocks) {
+				for (const b of block.blocks) iteratorBlockPrepare(b);
+			}
+
+			const blockInfo = {
+				modules: blockInfoModules,
+				blocks: blockInfoBlocks
+			};
+			blockInfoMap.set(block, blockInfo);
+		}
+	}
+
+	return blockInfoMap;
+};
+
+/**
+ *
+ * @param {Compilation} compilation the compilation
+ * @param {Entrypoint[]} inputChunkGroups input groups
+ * @param {Map<ChunkGroup, ChunkGroupInfo>} chunkGroupInfoMap mapping from chunk group to available modules
+ * @param {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} blockConnections connection for blocks
+ * @param {Set<DependenciesBlock>} blocksWithNestedBlocks flag for blocks that have nested blocks
+ * @param {Set<ChunkGroup>} allCreatedChunkGroups filled with all chunk groups that are created here
+ */
+const visitModules = (
+	compilation,
+	inputChunkGroups,
+	chunkGroupInfoMap,
+	blockConnections,
+	blocksWithNestedBlocks,
+	allCreatedChunkGroups
+) => {
+	const logger = compilation.getLogger("webpack.buildChunkGraph.visitModules");
+	const { namedChunkGroups } = compilation;
+
+	logger.time("prepare");
+	const blockInfoMap = extraceBlockInfoMap(compilation);
+
+	/** @type {Map<ChunkGroup, { index: number, index2: number }>} */
+	const chunkGroupCounters = new Map();
+	for (const chunkGroup of inputChunkGroups) {
+		chunkGroupCounters.set(chunkGroup, {
+			index: 0,
+			index2: 0
+		});
+	}
+
+	let nextFreeModuleIndex = 0;
+	let nextFreeModuleIndex2 = 0;
+
+	/** @type {Map<DependenciesBlock, ChunkGroup>} */
+	const blockChunkGroups = new Map();
+
+	const ADD_AND_ENTER_MODULE = 0;
+	const ENTER_MODULE = 1;
+	const PROCESS_BLOCK = 2;
+	const LEAVE_MODULE = 3;
+
+	/**
+	 * @param {QueueItem[]} queue the queue array (will be mutated)
+	 * @param {ChunkGroup} chunkGroup chunk group
+	 * @returns {QueueItem[]} the queue array again
+	 */
+	const reduceChunkGroupToQueueItem = (queue, chunkGroup) => {
+		for (const chunk of chunkGroup.chunks) {
+			const module = chunk.entryModule;
+			queue.push({
+				action: ENTER_MODULE,
+				block: module,
+				module,
+				chunk,
+				chunkGroup
+			});
+		}
+		chunkGroupInfoMap.set(chunkGroup, {
+			chunkGroup,
+			minAvailableModules: new Set(),
+			minAvailableModulesOwned: true,
+			availableModulesToBeMerged: [],
+			skippedItems: [],
+			resultingAvailableModules: undefined,
+			children: undefined
+		});
+		return queue;
+	};
+
+	// Start with the provided modules/chunks
+	/** @type {QueueItem[]} */
+	let queue = inputChunkGroups
+		.reduce(reduceChunkGroupToQueueItem, [])
+		.reverse();
+	/** @type {Map<ChunkGroup, Set<ChunkGroup>>} */
+	const queueConnect = new Map();
+	/** @type {Set<ChunkGroupInfo>} */
+	const outdatedChunkGroupInfo = new Set();
+	/** @type {QueueItem[]} */
+	let queueDelayed = [];
+
+	logger.timeEnd("prepare");
+
+	/** @type {Module} */
+	let module;
+	/** @type {Chunk} */
+	let chunk;
+	/** @type {ChunkGroup} */
+	let chunkGroup;
+	/** @type {ChunkGroupInfo} */
+	let chunkGroupInfo;
+	/** @type {DependenciesBlock} */
+	let block;
+	/** @type {Set<Module>} */
+	let minAvailableModules;
+	/** @type {QueueItem[]} */
+	let skippedItems;
+
+	// For each async Block in graph
+	/**
+	 * @param {AsyncDependenciesBlock} b iterating over each Async DepBlock
+	 * @returns {void}
+	 */
+	const iteratorBlock = b => {
+		// 1. We create a chunk for this Block
+		// but only once (blockChunkGroups map)
+		let c = blockChunkGroups.get(b);
+		if (c === undefined) {
+			c = namedChunkGroups.get(b.chunkName);
+			if (c && c.isInitial()) {
+				compilation.errors.push(
+					new AsyncDependencyToInitialChunkError(b.chunkName, module, b.loc)
+				);
+				c = chunkGroup;
+			} else {
+				c = compilation.addChunkInGroup(
+					b.groupOptions || b.chunkName,
+					module,
+					b.loc,
+					b.request
+				);
+				chunkGroupCounters.set(c, { index: 0, index2: 0 });
+				blockChunkGroups.set(b, c);
+				allCreatedChunkGroups.add(c);
+			}
+			blockConnections.set(b, []);
+		} else {
+			// TODO webpack 5 remove addOptions check
+			if (c.addOptions) c.addOptions(b.groupOptions);
+			c.addOrigin(module, b.loc, b.request);
+		}
+
+		// 2. We store the connection for the block
+		// to connect it later if needed
+		blockConnections.get(b).push({
+			originChunkGroupInfo: chunkGroupInfo,
+			chunkGroup: c
+		});
+
+		// 3. We create/update the chunk group info
+		let connectList = queueConnect.get(chunkGroup);
+		if (connectList === undefined) {
+			connectList = new Set();
+			queueConnect.set(chunkGroup, connectList);
+		}
+		connectList.add(c);
+
+		// 4. We enqueue the DependenciesBlock for traversal
+		queueDelayed.push({
+			action: PROCESS_BLOCK,
+			block: b,
+			module: module,
+			chunk: c.chunks[0],
+			chunkGroup: c
+		});
+	};
+
+	// Iterative traversal of the Module graph
+	// Recursive would be simpler to write but could result in Stack Overflows
+	while (queue.length) {
+		logger.time("visiting");
+		while (queue.length) {
+			const queueItem = queue.pop();
+			module = queueItem.module;
+			block = queueItem.block;
+			chunk = queueItem.chunk;
+			if (chunkGroup !== queueItem.chunkGroup) {
+				chunkGroup = queueItem.chunkGroup;
+				chunkGroupInfo = chunkGroupInfoMap.get(chunkGroup);
+				minAvailableModules = chunkGroupInfo.minAvailableModules;
+				skippedItems = chunkGroupInfo.skippedItems;
+			}
+
+			switch (queueItem.action) {
+				case ADD_AND_ENTER_MODULE: {
+					if (minAvailableModules.has(module)) {
+						// already in parent chunks
+						// skip it for now, but enqueue for rechecking when minAvailableModules shrinks
+						skippedItems.push(queueItem);
+						break;
+					}
+					// We connect Module and Chunk when not already done
+					if (chunk.addModule(module)) {
+						module.addChunk(chunk);
+					} else {
+						// already connected, skip it
+						break;
+					}
+				}
+				// fallthrough
+				case ENTER_MODULE: {
+					if (chunkGroup !== undefined) {
+						const index = chunkGroup.getModuleIndex(module);
+						if (index === undefined) {
+							chunkGroup.setModuleIndex(
+								module,
+								chunkGroupCounters.get(chunkGroup).index++
+							);
+						}
+					}
+
+					if (module.index === null) {
+						module.index = nextFreeModuleIndex++;
+					}
+
+					queue.push({
+						action: LEAVE_MODULE,
+						block,
+						module,
+						chunk,
+						chunkGroup
+					});
+				}
+				// fallthrough
+				case PROCESS_BLOCK: {
+					// get prepared block info
+					const blockInfo = blockInfoMap.get(block);
+
+					// Buffer items because order need to be reverse to get indicies correct
+					const skipBuffer = [];
+					const queueBuffer = [];
+					// Traverse all referenced modules
+					for (const refModule of blockInfo.modules) {
+						if (chunk.containsModule(refModule)) {
+							// skip early if already connected
+							continue;
+						}
+						if (minAvailableModules.has(refModule)) {
+							// already in parent chunks, skip it for now
+							skipBuffer.push({
+								action: ADD_AND_ENTER_MODULE,
+								block: refModule,
+								module: refModule,
+								chunk,
+								chunkGroup
+							});
+							continue;
+						}
+						// enqueue the add and enter to enter in the correct order
+						// this is relevant with circular dependencies
+						queueBuffer.push({
+							action: ADD_AND_ENTER_MODULE,
+							block: refModule,
+							module: refModule,
+							chunk,
+							chunkGroup
+						});
+					}
+					// Add buffered items in reversed order
+					for (let i = skipBuffer.length - 1; i >= 0; i--) {
+						skippedItems.push(skipBuffer[i]);
+					}
+					for (let i = queueBuffer.length - 1; i >= 0; i--) {
+						queue.push(queueBuffer[i]);
+					}
+
+					// Traverse all Blocks
+					for (const block of blockInfo.blocks) iteratorBlock(block);
+
+					if (blockInfo.blocks.length > 0 && module !== block) {
+						blocksWithNestedBlocks.add(block);
+					}
+					break;
+				}
+				case LEAVE_MODULE: {
+					if (chunkGroup !== undefined) {
+						const index = chunkGroup.getModuleIndex2(module);
+						if (index === undefined) {
+							chunkGroup.setModuleIndex2(
+								module,
+								chunkGroupCounters.get(chunkGroup).index2++
+							);
+						}
+					}
+
+					if (module.index2 === null) {
+						module.index2 = nextFreeModuleIndex2++;
+					}
+					break;
+				}
+			}
+		}
+		logger.timeEnd("visiting");
+
+		while (queueConnect.size > 0) {
+			logger.time("calculating available modules");
+
+			// Figure out new parents for chunk groups
+			// to get new available modules for these children
+			for (const [chunkGroup, targets] of queueConnect) {
+				const info = chunkGroupInfoMap.get(chunkGroup);
+				let minAvailableModules = info.minAvailableModules;
+
+				// 1. Create a new Set of available modules at this points
+				const resultingAvailableModules = new Set(minAvailableModules);
+				for (const chunk of chunkGroup.chunks) {
+					for (const m of chunk.modulesIterable) {
+						resultingAvailableModules.add(m);
+					}
+				}
+				info.resultingAvailableModules = resultingAvailableModules;
+				if (info.children === undefined) {
+					info.children = targets;
+				} else {
+					for (const target of targets) {
+						info.children.add(target);
+					}
+				}
+
+				// 2. Update chunk group info
+				for (const target of targets) {
+					let chunkGroupInfo = chunkGroupInfoMap.get(target);
+					if (chunkGroupInfo === undefined) {
+						chunkGroupInfo = {
+							chunkGroup: target,
+							minAvailableModules: undefined,
+							minAvailableModulesOwned: undefined,
+							availableModulesToBeMerged: [],
+							skippedItems: [],
+							resultingAvailableModules: undefined,
+							children: undefined
+						};
+						chunkGroupInfoMap.set(target, chunkGroupInfo);
+					}
+					chunkGroupInfo.availableModulesToBeMerged.push(
+						resultingAvailableModules
+					);
+					outdatedChunkGroupInfo.add(chunkGroupInfo);
+				}
+			}
+			queueConnect.clear();
+			logger.timeEnd("calculating available modules");
+
+			if (outdatedChunkGroupInfo.size > 0) {
+				logger.time("merging available modules");
+				// Execute the merge
+				for (const info of outdatedChunkGroupInfo) {
+					const availableModulesToBeMerged = info.availableModulesToBeMerged;
+					let cachedMinAvailableModules = info.minAvailableModules;
+
+					// 1. Get minimal available modules
+					// It doesn't make sense to traverse a chunk again with more available modules.
+					// This step calculates the minimal available modules and skips traversal when
+					// the list didn't shrink.
+					if (availableModulesToBeMerged.length > 1) {
+						availableModulesToBeMerged.sort(bySetSize);
+					}
+					let changed = false;
+					for (const availableModules of availableModulesToBeMerged) {
+						if (cachedMinAvailableModules === undefined) {
+							cachedMinAvailableModules = availableModules;
+							info.minAvailableModules = cachedMinAvailableModules;
+							info.minAvailableModulesOwned = false;
+							changed = true;
+						} else {
+							if (info.minAvailableModulesOwned) {
+								// We own it and can modify it
+								for (const m of cachedMinAvailableModules) {
+									if (!availableModules.has(m)) {
+										cachedMinAvailableModules.delete(m);
+										changed = true;
+									}
+								}
+							} else {
+								for (const m of cachedMinAvailableModules) {
+									if (!availableModules.has(m)) {
+										// cachedMinAvailableModules need to be modified
+										// but we don't own it
+										// construct a new Set as intersection of cachedMinAvailableModules and availableModules
+										/** @type {Set<Module>} */
+										const newSet = new Set();
+										const iterator = cachedMinAvailableModules[
+											Symbol.iterator
+										]();
+										/** @type {IteratorResult<Module>} */
+										let it;
+										while (!(it = iterator.next()).done) {
+											const module = it.value;
+											if (module === m) break;
+											newSet.add(module);
+										}
+										while (!(it = iterator.next()).done) {
+											const module = it.value;
+											if (availableModules.has(module)) {
+												newSet.add(module);
+											}
+										}
+										cachedMinAvailableModules = newSet;
+										info.minAvailableModulesOwned = true;
+										info.minAvailableModules = newSet;
+
+										// Update the cache from the first queue
+										// if the chunkGroup is currently cached
+										if (chunkGroup === info.chunkGroup) {
+											minAvailableModules = cachedMinAvailableModules;
+										}
+
+										changed = true;
+										break;
+									}
+								}
+							}
+						}
+					}
+					availableModulesToBeMerged.length = 0;
+					if (!changed) continue;
+
+					// 2. Reconsider skipped items
+					for (const queueItem of info.skippedItems) {
+						queue.push(queueItem);
+					}
+					info.skippedItems.length = 0;
+
+					// 3. Reconsider children chunk groups
+					if (info.children !== undefined) {
+						const chunkGroup = info.chunkGroup;
+						for (const c of info.children) {
+							let connectList = queueConnect.get(chunkGroup);
+							if (connectList === undefined) {
+								connectList = new Set();
+								queueConnect.set(chunkGroup, connectList);
+							}
+							connectList.add(c);
+						}
+					}
+				}
+				outdatedChunkGroupInfo.clear();
+				logger.timeEnd("merging available modules");
+			}
+		}
+
+		// Run queueDelayed when all items of the queue are processed
+		// This is important to get the global indicing correct
+		// Async blocks should be processed after all sync blocks are processed
+		if (queue.length === 0) {
+			const tempQueue = queue;
+			queue = queueDelayed.reverse();
+			queueDelayed = tempQueue;
+		}
+	}
+};
+
+/**
+ *
+ * @param {Set<DependenciesBlock>} blocksWithNestedBlocks flag for blocks that have nested blocks
+ * @param {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} blockConnections connection for blocks
+ * @param {Map<ChunkGroup, ChunkGroupInfo>} chunkGroupInfoMap mapping from chunk group to available modules
+ */
+const connectChunkGroups = (
+	blocksWithNestedBlocks,
+	blockConnections,
+	chunkGroupInfoMap
+) => {
+	/**
+	 * Helper function to check if all modules of a chunk are available
+	 *
+	 * @param {ChunkGroup} chunkGroup the chunkGroup to scan
+	 * @param {Set<Module>} availableModules the comparitor set
+	 * @returns {boolean} return true if all modules of a chunk are available
+	 */
+	const areModulesAvailable = (chunkGroup, availableModules) => {
+		for (const chunk of chunkGroup.chunks) {
+			for (const module of chunk.modulesIterable) {
+				if (!availableModules.has(module)) return false;
+			}
+		}
+		return true;
+	};
+
+	// For each edge in the basic chunk graph
+	for (const [block, connections] of blockConnections) {
+		// 1. Check if connection is needed
+		// When none of the dependencies need to be connected
+		// we can skip all of them
+		// It's not possible to filter each item so it doesn't create inconsistent
+		// connections and modules can only create one version
+		// TODO maybe decide this per runtime
+		if (
+			// TODO is this needed?
+			!blocksWithNestedBlocks.has(block) &&
+			connections.every(({ chunkGroup, originChunkGroupInfo }) =>
+				areModulesAvailable(
+					chunkGroup,
+					originChunkGroupInfo.resultingAvailableModules
+				)
+			)
+		) {
+			continue;
+		}
+
+		// 2. Foreach edge
+		for (let i = 0; i < connections.length; i++) {
+			const { chunkGroup, originChunkGroupInfo } = connections[i];
+
+			// 3. Connect block with chunk
+			GraphHelpers.connectDependenciesBlockAndChunkGroup(block, chunkGroup);
+
+			// 4. Connect chunk with parent
+			GraphHelpers.connectChunkGroupParentAndChild(
+				originChunkGroupInfo.chunkGroup,
+				chunkGroup
+			);
+		}
+	}
+};
+
+/**
+ * Remove all unconnected chunk groups
+ * @param {Compilation} compilation the compilation
+ * @param {Iterable<ChunkGroup>} allCreatedChunkGroups all chunk groups that where created before
+ */
+const cleanupUnconnectedGroups = (compilation, allCreatedChunkGroups) => {
+	for (const chunkGroup of allCreatedChunkGroups) {
+		if (chunkGroup.getNumberOfParents() === 0) {
+			for (const chunk of chunkGroup.chunks) {
+				const idx = compilation.chunks.indexOf(chunk);
+				if (idx >= 0) compilation.chunks.splice(idx, 1);
+				chunk.remove("unconnected");
+			}
+			chunkGroup.remove("unconnected");
+		}
+	}
+};
+
+/**
+ * This method creates the Chunk graph from the Module graph
+ * @param {Compilation} compilation the compilation
+ * @param {Entrypoint[]} inputChunkGroups chunk groups which are processed
+ * @returns {void}
+ */
+const buildChunkGraph = (compilation, inputChunkGroups) => {
+	// SHARED STATE
+
+	/** @type {Map<AsyncDependenciesBlock, BlockChunkGroupConnection[]>} */
+	const blockConnections = new Map();
+
+	/** @type {Set<ChunkGroup>} */
+	const allCreatedChunkGroups = new Set();
+
+	/** @type {Map<ChunkGroup, ChunkGroupInfo>} */
+	const chunkGroupInfoMap = new Map();
+
+	/** @type {Set<DependenciesBlock>} */
+	const blocksWithNestedBlocks = new Set();
+
+	// PART ONE
+
+	visitModules(
+		compilation,
+		inputChunkGroups,
+		chunkGroupInfoMap,
+		blockConnections,
+		blocksWithNestedBlocks,
+		allCreatedChunkGroups
+	);
+
+	// PART TWO
+
+	connectChunkGroups(
+		blocksWithNestedBlocks,
+		blockConnections,
+		chunkGroupInfoMap
+	);
+
+	// Cleaup work
+
+	cleanupUnconnectedGroups(compilation, allCreatedChunkGroups);
+};
+
+module.exports = buildChunkGraph;