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{"version":3,"file":"queue.js","sourceRoot":"","sources":["../../src/scheduler/queue.ts"],"names":[],"mappings":";AAAA,4BAA4B,eAAe,CAAC,CAAA;AAC5C,+BAA+B,kBAAkB,CAAC,CAAA;AAElD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GA4DG;AAEU,aAAK,GAAG,IAAI,+BAAc,CAAC,yBAAW,CAAC,CAAC","sourcesContent":["import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\n\n/**\n *\n * Queue Scheduler\n *\n * <span class=\"informal\">Put every next task on a queue, instead of executing it immediately</span>\n *\n * `queue` scheduler, when used with delay, behaves the same as {@link async} scheduler.\n *\n * When used without delay, it schedules given task synchronously - executes it right when\n * it is scheduled. However when called recursively, that is when inside the scheduled task,\n * another task is scheduled with queue scheduler, instead of executing immediately as well,\n * that task will be put on a queue and wait for current one to finish.\n *\n * This means that when you execute task with `queue` scheduler, you are sure it will end\n * before any other task scheduled with that scheduler will start.\n *\n * @examples <caption>Schedule recursively first, then do something</caption>\n *\n * Rx.Scheduler.queue.schedule(() => {\n * Rx.Scheduler.queue.schedule(() => console.log('second')); // will not happen now, but will be put on a queue\n *\n * console.log('first');\n * });\n *\n * // Logs:\n * // \"first\"\n * // \"second\"\n *\n *\n * @example <caption>Reschedule itself recursively</caption>\n *\n * Rx.Scheduler.queue.schedule(function(state) {\n * if (state !== 0) {\n * console.log('before', state);\n * this.schedule(state - 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * console.log('after', state);\n * }\n * }, 0, 3);\n *\n * // In scheduler that runs recursively, you would expect:\n * // \"before\", 3\n * // \"before\", 2\n * // \"before\", 1\n * // \"after\", 1\n * // \"after\", 2\n * // \"after\", 3\n *\n * // But with queue it logs:\n * // \"before\", 3\n * // \"after\", 3\n * // \"before\", 2\n * // \"after\", 2\n * // \"before\", 1\n * // \"after\", 1\n *\n *\n * @static true\n * @name queue\n * @owner Scheduler\n */\n\nexport const queue = new QueueScheduler(QueueAction);\n"]} |