diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:23:37 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-11-05 17:23:37 +0800 |
| commit | 2cdf0cb352ab6a2d0f8cb25120e4ebc92c5316e3 (patch) | |
| tree | 6b088c99810bd013f17b80522c936ca6dfc09858 /node_modules/webpack/lib/util/AsyncQueue.js | |
| parent | f8ee6ef722e6c560c4a1c879e04dbdf0b01f0316 (diff) | |
removed autoprefix hover as it will have a high chance of making hover stopped working
Diffstat (limited to 'node_modules/webpack/lib/util/AsyncQueue.js')
| -rw-r--r-- | node_modules/webpack/lib/util/AsyncQueue.js | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/node_modules/webpack/lib/util/AsyncQueue.js b/node_modules/webpack/lib/util/AsyncQueue.js deleted file mode 100644 index feb69a7d..00000000 --- a/node_modules/webpack/lib/util/AsyncQueue.js +++ /dev/null @@ -1,375 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const { SyncHook, AsyncSeriesHook } = require("tapable"); -const { makeWebpackError } = require("../HookWebpackError"); -const WebpackError = require("../WebpackError"); -const ArrayQueue = require("./ArrayQueue"); - -const QUEUED_STATE = 0; -const PROCESSING_STATE = 1; -const DONE_STATE = 2; - -let inHandleResult = 0; - -/** - * @template T - * @callback Callback - * @param {(WebpackError | null)=} err - * @param {T=} result - */ - -/** - * @template T - * @template K - * @template R - */ -class AsyncQueueEntry { - /** - * @param {T} item the item - * @param {Callback<R>} callback the callback - */ - constructor(item, callback) { - this.item = item; - /** @type {typeof QUEUED_STATE | typeof PROCESSING_STATE | typeof DONE_STATE} */ - this.state = QUEUED_STATE; - this.callback = callback; - /** @type {Callback<R>[] | undefined} */ - this.callbacks = undefined; - this.result = undefined; - /** @type {WebpackError | undefined} */ - this.error = undefined; - } -} - -/** - * @template T - * @template K - * @template R - */ -class AsyncQueue { - /** - * @param {Object} options options object - * @param {string=} options.name name of the queue - * @param {number=} options.parallelism how many items should be processed at once - * @param {AsyncQueue<any, any, any>=} options.parent parent queue, which will have priority over this queue and with shared parallelism - * @param {function(T): K=} options.getKey extract key from item - * @param {function(T, Callback<R>): void} options.processor async function to process items - */ - constructor({ name, parallelism, parent, processor, getKey }) { - this._name = name; - this._parallelism = parallelism || 1; - this._processor = processor; - this._getKey = - getKey || /** @type {(T) => K} */ (item => /** @type {any} */ (item)); - /** @type {Map<K, AsyncQueueEntry<T, K, R>>} */ - this._entries = new Map(); - /** @type {ArrayQueue<AsyncQueueEntry<T, K, R>>} */ - this._queued = new ArrayQueue(); - /** @type {AsyncQueue<any, any, any>[] | undefined} */ - this._children = undefined; - this._activeTasks = 0; - this._willEnsureProcessing = false; - this._needProcessing = false; - this._stopped = false; - this._root = parent ? parent._root : this; - if (parent) { - if (this._root._children === undefined) { - this._root._children = [this]; - } else { - this._root._children.push(this); - } - } - - this.hooks = { - /** @type {AsyncSeriesHook<[T]>} */ - beforeAdd: new AsyncSeriesHook(["item"]), - /** @type {SyncHook<[T]>} */ - added: new SyncHook(["item"]), - /** @type {AsyncSeriesHook<[T]>} */ - beforeStart: new AsyncSeriesHook(["item"]), - /** @type {SyncHook<[T]>} */ - started: new SyncHook(["item"]), - /** @type {SyncHook<[T, Error, R]>} */ - result: new SyncHook(["item", "error", "result"]) - }; - - this._ensureProcessing = this._ensureProcessing.bind(this); - } - - /** - * @param {T} item an item - * @param {Callback<R>} callback callback function - * @returns {void} - */ - add(item, callback) { - if (this._stopped) return callback(new WebpackError("Queue was stopped")); - this.hooks.beforeAdd.callAsync(item, err => { - if (err) { - callback( - makeWebpackError(err, `AsyncQueue(${this._name}).hooks.beforeAdd`) - ); - return; - } - const key = this._getKey(item); - const entry = this._entries.get(key); - if (entry !== undefined) { - if (entry.state === DONE_STATE) { - if (inHandleResult++ > 3) { - process.nextTick(() => callback(entry.error, entry.result)); - } else { - callback(entry.error, entry.result); - } - inHandleResult--; - } else if (entry.callbacks === undefined) { - entry.callbacks = [callback]; - } else { - entry.callbacks.push(callback); - } - return; - } - const newEntry = new AsyncQueueEntry(item, callback); - if (this._stopped) { - this.hooks.added.call(item); - this._root._activeTasks++; - process.nextTick(() => - this._handleResult(newEntry, new WebpackError("Queue was stopped")) - ); - } else { - this._entries.set(key, newEntry); - this._queued.enqueue(newEntry); - const root = this._root; - root._needProcessing = true; - if (root._willEnsureProcessing === false) { - root._willEnsureProcessing = true; - setImmediate(root._ensureProcessing); - } - this.hooks.added.call(item); - } - }); - } - - /** - * @param {T} item an item - * @returns {void} - */ - invalidate(item) { - const key = this._getKey(item); - const entry = - /** @type {AsyncQueueEntry<T, K, R>} */ - (this._entries.get(key)); - this._entries.delete(key); - if (entry.state === QUEUED_STATE) { - this._queued.delete(entry); - } - } - - /** - * Waits for an already started item - * @param {T} item an item - * @param {Callback<R>} callback callback function - * @returns {void} - */ - waitFor(item, callback) { - const key = this._getKey(item); - const entry = this._entries.get(key); - if (entry === undefined) { - return callback( - new WebpackError( - "waitFor can only be called for an already started item" - ) - ); - } - if (entry.state === DONE_STATE) { - process.nextTick(() => callback(entry.error, entry.result)); - } else if (entry.callbacks === undefined) { - entry.callbacks = [callback]; - } else { - entry.callbacks.push(callback); - } - } - - /** - * @returns {void} - */ - stop() { - this._stopped = true; - const queue = this._queued; - this._queued = new ArrayQueue(); - const root = this._root; - for (const entry of queue) { - this._entries.delete(this._getKey(entry.item)); - root._activeTasks++; - this._handleResult(entry, new WebpackError("Queue was stopped")); - } - } - - /** - * @returns {void} - */ - increaseParallelism() { - const root = this._root; - root._parallelism++; - /* istanbul ignore next */ - if (root._willEnsureProcessing === false && root._needProcessing) { - root._willEnsureProcessing = true; - setImmediate(root._ensureProcessing); - } - } - - /** - * @returns {void} - */ - decreaseParallelism() { - const root = this._root; - root._parallelism--; - } - - /** - * @param {T} item an item - * @returns {boolean} true, if the item is currently being processed - */ - isProcessing(item) { - const key = this._getKey(item); - const entry = this._entries.get(key); - return entry !== undefined && entry.state === PROCESSING_STATE; - } - - /** - * @param {T} item an item - * @returns {boolean} true, if the item is currently queued - */ - isQueued(item) { - const key = this._getKey(item); - const entry = this._entries.get(key); - return entry !== undefined && entry.state === QUEUED_STATE; - } - - /** - * @param {T} item an item - * @returns {boolean} true, if the item is currently queued - */ - isDone(item) { - const key = this._getKey(item); - const entry = this._entries.get(key); - return entry !== undefined && entry.state === DONE_STATE; - } - - /** - * @returns {void} - */ - _ensureProcessing() { - while (this._activeTasks < this._parallelism) { - const entry = this._queued.dequeue(); - if (entry === undefined) break; - this._activeTasks++; - entry.state = PROCESSING_STATE; - this._startProcessing(entry); - } - this._willEnsureProcessing = false; - if (this._queued.length > 0) return; - if (this._children !== undefined) { - for (const child of this._children) { - while (this._activeTasks < this._parallelism) { - const entry = child._queued.dequeue(); - if (entry === undefined) break; - this._activeTasks++; - entry.state = PROCESSING_STATE; - child._startProcessing(entry); - } - if (child._queued.length > 0) return; - } - } - if (!this._willEnsureProcessing) this._needProcessing = false; - } - - /** - * @param {AsyncQueueEntry<T, K, R>} entry the entry - * @returns {void} - */ - _startProcessing(entry) { - this.hooks.beforeStart.callAsync(entry.item, err => { - if (err) { - this._handleResult( - entry, - makeWebpackError(err, `AsyncQueue(${this._name}).hooks.beforeStart`) - ); - return; - } - let inCallback = false; - try { - this._processor(entry.item, (e, r) => { - inCallback = true; - this._handleResult(entry, e, r); - }); - } catch (err) { - if (inCallback) throw err; - this._handleResult(entry, err, null); - } - this.hooks.started.call(entry.item); - }); - } - - /** - * @param {AsyncQueueEntry<T, K, R>} entry the entry - * @param {WebpackError=} err error, if any - * @param {R=} result result, if any - * @returns {void} - */ - _handleResult(entry, err, result) { - this.hooks.result.callAsync(entry.item, err, result, hookError => { - const error = hookError - ? makeWebpackError(hookError, `AsyncQueue(${this._name}).hooks.result`) - : err; - - const callback = entry.callback; - const callbacks = entry.callbacks; - entry.state = DONE_STATE; - entry.callback = undefined; - entry.callbacks = undefined; - entry.result = result; - entry.error = error; - - const root = this._root; - root._activeTasks--; - if (root._willEnsureProcessing === false && root._needProcessing) { - root._willEnsureProcessing = true; - setImmediate(root._ensureProcessing); - } - - if (inHandleResult++ > 3) { - process.nextTick(() => { - callback(error, result); - if (callbacks !== undefined) { - for (const callback of callbacks) { - callback(error, result); - } - } - }); - } else { - callback(error, result); - if (callbacks !== undefined) { - for (const callback of callbacks) { - callback(error, result); - } - } - } - inHandleResult--; - }); - } - - clear() { - this._entries.clear(); - this._queued.clear(); - this._activeTasks = 0; - this._willEnsureProcessing = false; - this._needProcessing = false; - this._stopped = false; - } -} - -module.exports = AsyncQueue; |
