build: move zone.js to angular repo (#30962)

PR Close #30962

packages/zone.js/lib/node/node.ts

@@ -0,0 +1,154 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import './node_util';
+import './events';
+import './fs';
+
+import {findEventTasks} from '../common/events';
+import {patchTimer} from '../common/timers';
+import {ArraySlice, isMix, patchMacroTask, patchMicroTask} from '../common/utils';
+
+const set = 'set';
+const clear = 'clear';
+
+Zone.__load_patch('node_timers', (global: any, Zone: ZoneType) => {
+  // Timers
+  let globalUseTimeoutFromTimer = false;
+  try {
+    const timers = require('timers');
+    let globalEqualTimersTimeout = global.setTimeout === timers.setTimeout;
+    if (!globalEqualTimersTimeout && !isMix) {
+      // 1. if isMix, then we are in mix environment such as Electron
+      // we should only patch timers.setTimeout because global.setTimeout
+      // have been patched
+      // 2. if global.setTimeout not equal timers.setTimeout, check
+      // whether global.setTimeout use timers.setTimeout or not
+      const originSetTimeout = timers.setTimeout;
+      timers.setTimeout = function() {
+        globalUseTimeoutFromTimer = true;
+        return originSetTimeout.apply(this, arguments);
+      };
+      const detectTimeout = global.setTimeout(() => {}, 100);
+      clearTimeout(detectTimeout);
+      timers.setTimeout = originSetTimeout;
+    }
+    patchTimer(timers, set, clear, 'Timeout');
+    patchTimer(timers, set, clear, 'Interval');
+    patchTimer(timers, set, clear, 'Immediate');
+  } catch (error) {
+    // timers module not exists, for example, when we using nativeScript
+    // timers is not available
+  }
+  if (isMix) {
+    // if we are in mix environment, such as Electron,
+    // the global.setTimeout has already been patched,
+    // so we just patch timers.setTimeout
+    return;
+  }
+  if (!globalUseTimeoutFromTimer) {
+    // 1. global setTimeout equals timers setTimeout
+    // 2. or global don't use timers setTimeout(maybe some other library patch setTimeout)
+    // 3. or load timers module error happens, we should patch global setTimeout
+    patchTimer(global, set, clear, 'Timeout');
+    patchTimer(global, set, clear, 'Interval');
+    patchTimer(global, set, clear, 'Immediate');
+  } else {
+    // global use timers setTimeout, but not equals
+    // this happens when use nodejs v0.10.x, global setTimeout will
+    // use a lazy load version of timers setTimeout
+    // we should not double patch timer's setTimeout
+    // so we only store the __symbol__ for consistency
+    global[Zone.__symbol__('setTimeout')] = global.setTimeout;
+    global[Zone.__symbol__('setInterval')] = global.setInterval;
+    global[Zone.__symbol__('setImmediate')] = global.setImmediate;
+  }
+});
+
+// patch process related methods
+Zone.__load_patch('nextTick', () => {
+  // patch nextTick as microTask
+  patchMicroTask(process, 'nextTick', (self: any, args: any[]) => {
+    return {
+      name: 'process.nextTick',
+      args: args,
+      cbIdx: (args.length > 0 && typeof args[0] === 'function') ? 0 : -1,
+      target: process
+    };
+  });
+});
+
+Zone.__load_patch(
+    'handleUnhandledPromiseRejection', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
+      (Zone as any)[api.symbol('unhandledPromiseRejectionHandler')] =
+          findProcessPromiseRejectionHandler('unhandledRejection');
+
+      (Zone as any)[api.symbol('rejectionHandledHandler')] =
+          findProcessPromiseRejectionHandler('rejectionHandled');
+
+      // handle unhandled promise rejection
+      function findProcessPromiseRejectionHandler(evtName: string) {
+        return function(e: any) {
+          const eventTasks = findEventTasks(process, evtName);
+          eventTasks.forEach(eventTask => {
+            // process has added unhandledrejection event listener
+            // trigger the event listener
+            if (evtName === 'unhandledRejection') {
+              eventTask.invoke(e.rejection, e.promise);
+            } else if (evtName === 'rejectionHandled') {
+              eventTask.invoke(e.promise);
+            }
+          });
+        };
+      }
+    });
+
+
+// Crypto
+Zone.__load_patch('crypto', () => {
+  let crypto: any;
+  try {
+    crypto = require('crypto');
+  } catch (err) {
+  }
+
+  // use the generic patchMacroTask to patch crypto
+  if (crypto) {
+    const methodNames = ['randomBytes', 'pbkdf2'];
+    methodNames.forEach(name => {
+      patchMacroTask(crypto, name, (self: any, args: any[]) => {
+        return {
+          name: 'crypto.' + name,
+          args: args,
+          cbIdx: (args.length > 0 && typeof args[args.length - 1] === 'function') ?
+              args.length - 1 :
+              -1,
+          target: crypto
+        };
+      });
+    });
+  }
+});
+
+Zone.__load_patch('console', (global: any, Zone: ZoneType) => {
+  const consoleMethods =
+      ['dir', 'log', 'info', 'error', 'warn', 'assert', 'debug', 'timeEnd', 'trace'];
+  consoleMethods.forEach((m: string) => {
+    const originalMethod = (console as any)[Zone.__symbol__(m)] = (console as any)[m];
+    if (originalMethod) {
+      (console as any)[m] = function() {
+        const args = ArraySlice.call(arguments);
+        if (Zone.current === Zone.root) {
+          return originalMethod.apply(this, args);
+        } else {
+          return Zone.root.run(originalMethod, this, args);
+        }
+      };
+    }
+  });
+});