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{"version":3,"file":"workerpool.js","sources":["../src/environment.js","../src/Promise.js","../src/validateOptions.js","../src/generated/embeddedWorker.js","../src/WorkerHandler.js","../src/debug-port-allocator.js","../src/Pool.js","../src/transfer.js","../src/worker.js","../src/index.js"],"sourcesContent":["\n// source: https://github.com/flexdinesh/browser-or-node\n// source: https://github.com/mozilla/pdf.js/blob/7ea0e40e588864cd938d1836ec61f1928d3877d3/src/shared/util.js#L24\nvar isNode = function (nodeProcess) {\n return (\n typeof nodeProcess !== 'undefined' &&\n nodeProcess.versions != null &&\n nodeProcess.versions.node != null &&\n nodeProcess + '' === '[object process]'\n );\n}\nmodule.exports.isNode = isNode\n\n// determines the JavaScript platform: browser or node\nmodule.exports.platform = typeof process !== 'undefined' && isNode(process)\n ? 'node'\n : 'browser';\n\n// determines whether the code is running in main thread or not\n// note that in node.js we have to check both worker_thread and child_process\nvar worker_threads = module.exports.platform === 'node' && require('worker_threads');\nmodule.exports.isMainThread = module.exports.platform === 'node'\n ? ((!worker_threads || worker_threads.isMainThread) && !process.connected)\n : typeof Window !== 'undefined';\n\n// determines the number of cpus available\nmodule.exports.cpus = module.exports.platform === 'browser'\n ? self.navigator.hardwareConcurrency\n : require('os').cpus().length;\n\n","'use strict';\n\n/**\n * Promise\n *\n * Inspired by https://gist.github.com/RubaXa/8501359 from RubaXa <trash@rubaxa.org>\n * @template T\n * @template [E=Error]\n * @param {Function} handler Called as handler(resolve: Function, reject: Function)\n * @param {Promise} [parent] Parent promise for propagation of cancel and timeout\n */\nfunction Promise(handler, parent) {\n var me = this;\n\n if (!(this instanceof Promise)) {\n throw new SyntaxError('Constructor must be called with the new operator');\n }\n\n if (typeof handler !== 'function') {\n throw new SyntaxError('Function parameter handler(resolve, reject) missing');\n }\n\n var _onSuccess = [];\n var _onFail = [];\n\n // status\n /**\n * @readonly\n */\n this.resolved = false;\n /**\n * @readonly\n */\n this.rejected = false;\n /**\n * @readonly\n */\n this.pending = true;\n\n /**\n * Process onSuccess and onFail callbacks: add them to the queue.\n * Once the promise is resolved, the function _promise is replace.\n * @param {Function} onSuccess\n * @param {Function} onFail\n * @private\n */\n var _process = function (onSuccess, onFail) {\n _onSuccess.push(onSuccess);\n _onFail.push(onFail);\n };\n\n /**\n * Add an onSuccess callback and optionally an onFail callback to the Promise\n * @template TT\n * @template [TE=never]\n * @param {(r: T) => TT | PromiseLike<TT>} onSuccess\n * @param {(r: E) => TE | PromiseLike<TE>} [onFail]\n * @returns {Promise<TT | TE, any>} promise\n */\n this.then = function (onSuccess, onFail) {\n return new Promise(function (resolve, reject) {\n var s = onSuccess ? _then(onSuccess, resolve, reject) : resolve;\n var f = onFail ? _then(onFail, resolve, reject) : reject;\n\n _process(s, f);\n }, me);\n };\n\n /**\n * Resolve the promise\n * @param {*} result\n * @type {Function}\n */\n var _resolve = function (result) {\n // update status\n me.resolved = true;\n me.rejected = false;\n me.pending = false;\n\n _onSuccess.forEach(function (fn) {\n fn(result);\n });\n\n _process = function (onSuccess, onFail) {\n onSuccess(result);\n };\n\n _resolve = _reject = function () { };\n\n return me;\n };\n\n /**\n * Reject the promise\n * @param {Error} error\n * @type {Function}\n */\n var _reject = function (error) {\n // update status\n me.resolved = false;\n me.rejected = true;\n me.pending = false;\n\n _onFail.forEach(function (fn) {\n fn(error);\n });\n\n _process = function (onSuccess
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