add hw2

node_modules/scheduler/cjs/scheduler-unstable_post_task.development.js

@@ -0,0 +1,150 @@
+/**
+ * @license React
+ * scheduler-unstable_post_task.development.js
+ *
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+"use strict";
+"production" !== process.env.NODE_ENV &&
+  (function () {
+    function runTask(priorityLevel, postTaskPriority, node, callback) {
+      deadline = getCurrentTime() + 5;
+      try {
+        currentPriorityLevel_DEPRECATED = priorityLevel;
+        var result = callback(!1);
+        if ("function" === typeof result) {
+          var continuationOptions = { signal: node._controller.signal },
+            nextTask = runTask.bind(
+              null,
+              priorityLevel,
+              postTaskPriority,
+              node,
+              result
+            );
+          void 0 !== scheduler.yield
+            ? scheduler
+                .yield(continuationOptions)
+                .then(nextTask)
+                .catch(handleAbortError)
+            : scheduler
+                .postTask(nextTask, continuationOptions)
+                .catch(handleAbortError);
+        }
+      } catch (error) {
+        setTimeout(function () {
+          throw error;
+        });
+      } finally {
+        currentPriorityLevel_DEPRECATED = 3;
+      }
+    }
+    function handleAbortError() {}
+    var perf = window.performance,
+      setTimeout = window.setTimeout,
+      scheduler = global.scheduler,
+      getCurrentTime = perf.now.bind(perf),
+      deadline = 0,
+      currentPriorityLevel_DEPRECATED = 3;
+    exports.unstable_IdlePriority = 5;
+    exports.unstable_ImmediatePriority = 1;
+    exports.unstable_LowPriority = 4;
+    exports.unstable_NormalPriority = 3;
+    exports.unstable_Profiling = null;
+    exports.unstable_UserBlockingPriority = 2;
+    exports.unstable_cancelCallback = function (node) {
+      node._controller.abort();
+    };
+    exports.unstable_forceFrameRate = function () {};
+    exports.unstable_getCurrentPriorityLevel = function () {
+      return currentPriorityLevel_DEPRECATED;
+    };
+    exports.unstable_next = function (callback) {
+      switch (currentPriorityLevel_DEPRECATED) {
+        case 1:
+        case 2:
+        case 3:
+          var priorityLevel = 3;
+          break;
+        default:
+          priorityLevel = currentPriorityLevel_DEPRECATED;
+      }
+      var previousPriorityLevel = currentPriorityLevel_DEPRECATED;
+      currentPriorityLevel_DEPRECATED = priorityLevel;
+      try {
+        return callback();
+      } finally {
+        currentPriorityLevel_DEPRECATED = previousPriorityLevel;
+      }
+    };
+    exports.unstable_now = getCurrentTime;
+    exports.unstable_requestPaint = function () {};
+    exports.unstable_runWithPriority = function (priorityLevel, callback) {
+      var previousPriorityLevel = currentPriorityLevel_DEPRECATED;
+      currentPriorityLevel_DEPRECATED = priorityLevel;
+      try {
+        return callback();
+      } finally {
+        currentPriorityLevel_DEPRECATED = previousPriorityLevel;
+      }
+    };
+    exports.unstable_scheduleCallback = function (
+      priorityLevel,
+      callback,
+      options
+    ) {
+      switch (priorityLevel) {
+        case 1:
+        case 2:
+          var postTaskPriority = "user-blocking";
+          break;
+        case 4:
+        case 3:
+          postTaskPriority = "user-visible";
+          break;
+        case 5:
+          postTaskPriority = "background";
+          break;
+        default:
+          postTaskPriority = "user-visible";
+      }
+      var controller = new TaskController({ priority: postTaskPriority });
+      options = {
+        delay:
+          "object" === typeof options && null !== options ? options.delay : 0,
+        signal: controller.signal
+      };
+      controller = { _controller: controller };
+      scheduler
+        .postTask(
+          runTask.bind(
+            null,
+            priorityLevel,
+            postTaskPriority,
+            controller,
+            callback
+          ),
+          options
+        )
+        .catch(handleAbortError);
+      return controller;
+    };
+    exports.unstable_shouldYield = function () {
+      return getCurrentTime() >= deadline;
+    };
+    exports.unstable_wrapCallback = function (callback) {
+      var parentPriorityLevel = currentPriorityLevel_DEPRECATED;
+      return function () {
+        var previousPriorityLevel = currentPriorityLevel_DEPRECATED;
+        currentPriorityLevel_DEPRECATED = parentPriorityLevel;
+        try {
+          return callback();
+        } finally {
+          currentPriorityLevel_DEPRECATED = previousPriorityLevel;
+        }
+      };
+    };
+  })();