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"use strict"; |
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"production" !== process.env.NODE_ENV && |
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(function () { |
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function runTask(priorityLevel, postTaskPriority, node, callback) { |
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deadline = getCurrentTime() + 5; |
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try { |
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currentPriorityLevel_DEPRECATED = priorityLevel; |
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var result = callback(!1); |
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if ("function" === typeof result) { |
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var continuationOptions = { signal: node._controller.signal }, |
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nextTask = runTask.bind( |
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null, |
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priorityLevel, |
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postTaskPriority, |
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node, |
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result |
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); |
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void 0 !== scheduler.yield |
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? scheduler |
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.yield(continuationOptions) |
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.then(nextTask) |
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.catch(handleAbortError) |
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: scheduler |
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.postTask(nextTask, continuationOptions) |
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.catch(handleAbortError); |
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} |
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} catch (error) { |
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setTimeout(function () { |
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throw error; |
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}); |
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} finally { |
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currentPriorityLevel_DEPRECATED = 3; |
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} |
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} |
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function handleAbortError() {} |
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var perf = window.performance, |
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setTimeout = window.setTimeout, |
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scheduler = global.scheduler, |
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getCurrentTime = perf.now.bind(perf), |
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deadline = 0, |
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currentPriorityLevel_DEPRECATED = 3; |
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exports.unstable_IdlePriority = 5; |
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exports.unstable_ImmediatePriority = 1; |
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exports.unstable_LowPriority = 4; |
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exports.unstable_NormalPriority = 3; |
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exports.unstable_Profiling = null; |
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exports.unstable_UserBlockingPriority = 2; |
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exports.unstable_cancelCallback = function (node) { |
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node._controller.abort(); |
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}; |
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exports.unstable_forceFrameRate = function () {}; |
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exports.unstable_getCurrentPriorityLevel = function () { |
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return currentPriorityLevel_DEPRECATED; |
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}; |
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exports.unstable_next = function (callback) { |
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switch (currentPriorityLevel_DEPRECATED) { |
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case 1: |
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case 2: |
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case 3: |
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var priorityLevel = 3; |
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break; |
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default: |
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priorityLevel = currentPriorityLevel_DEPRECATED; |
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} |
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var previousPriorityLevel = currentPriorityLevel_DEPRECATED; |
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currentPriorityLevel_DEPRECATED = priorityLevel; |
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try { |
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return callback(); |
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} finally { |
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currentPriorityLevel_DEPRECATED = previousPriorityLevel; |
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} |
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}; |
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exports.unstable_now = getCurrentTime; |
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exports.unstable_requestPaint = function () {}; |
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exports.unstable_runWithPriority = function (priorityLevel, callback) { |
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var previousPriorityLevel = currentPriorityLevel_DEPRECATED; |
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currentPriorityLevel_DEPRECATED = priorityLevel; |
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try { |
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return callback(); |
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} finally { |
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currentPriorityLevel_DEPRECATED = previousPriorityLevel; |
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} |
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}; |
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exports.unstable_scheduleCallback = function ( |
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priorityLevel, |
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callback, |
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options |
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) { |
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switch (priorityLevel) { |
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case 1: |
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case 2: |
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var postTaskPriority = "user-blocking"; |
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break; |
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case 4: |
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case 3: |
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postTaskPriority = "user-visible"; |
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break; |
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case 5: |
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postTaskPriority = "background"; |
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break; |
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default: |
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postTaskPriority = "user-visible"; |
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} |
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var controller = new TaskController({ priority: postTaskPriority }); |
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options = { |
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delay: |
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"object" === typeof options && null !== options ? options.delay : 0, |
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signal: controller.signal |
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}; |
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controller = { _controller: controller }; |
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scheduler |
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.postTask( |
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runTask.bind( |
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null, |
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priorityLevel, |
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postTaskPriority, |
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controller, |
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callback |
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), |
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options |
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) |
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.catch(handleAbortError); |
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return controller; |
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}; |
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exports.unstable_shouldYield = function () { |
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return getCurrentTime() >= deadline; |
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}; |
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exports.unstable_wrapCallback = function (callback) { |
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var parentPriorityLevel = currentPriorityLevel_DEPRECATED; |
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return function () { |
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var previousPriorityLevel = currentPriorityLevel_DEPRECATED; |
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currentPriorityLevel_DEPRECATED = parentPriorityLevel; |
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try { |
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return callback(); |
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} finally { |
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currentPriorityLevel_DEPRECATED = previousPriorityLevel; |
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} |
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}; |
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}; |
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})(); |
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