refactor(zone.js): export previously global types from zone-impl.ts. (#53443)

This allows the types to be directly imported when used.

PR Close #53443

packages/zone.js/lib/zone-impl.ts

@@ -133,7 +133,7 @@
  * zones are children of the root zone.
  *
  */
-interface Zone {
+export interface Zone {
   /**
    *
    * @returns {Zone} The parent Zone.
@@ -287,7 +287,7 @@ interface Zone {
   cancelTask(task: Task): any;
 }
 
-interface ZoneType {
+export interface ZoneType {
   /**
    * @returns {Zone} Returns the current [Zone]. The only way to change
    * the current zone is by invoking a run() method, which will update the current zone for the
@@ -325,13 +325,13 @@ interface ZoneType {
 /**
  * Patch Function to allow user define their own monkey patch module.
  */
-type _PatchFn = (global: Window, Zone: ZoneType, api: _ZonePrivate) => void;
+export type _PatchFn = (global: Window, Zone: ZoneType, api: _ZonePrivate) => void;
 
 /**
  * _ZonePrivate interface to provide helper method to help user implement
  * their own monkey patch module.
  */
-interface _ZonePrivate {
+export interface _ZonePrivate {
   currentZoneFrame: () => _ZoneFrame;
   symbol: (name: string) => string;
   scheduleMicroTask: (task?: MicroTask) => void;
@@ -375,12 +375,12 @@ interface _ZonePrivate {
 /**
  * _ZoneFrame represents zone stack frame information
  */
-interface _ZoneFrame {
+export interface _ZoneFrame {
   parent: _ZoneFrame|null;
   zone: Zone;
 }
 
-interface UncaughtPromiseError extends Error {
+export interface UncaughtPromiseError extends Error {
   zone: Zone;
   task: Task;
   promise: Promise<any>;
@@ -393,7 +393,7 @@ interface UncaughtPromiseError extends Error {
  *
  * Only the `name` property is required (all other are optional).
  */
-interface ZoneSpec {
+export interface ZoneSpec {
   /**
    * The name of the zone. Useful when debugging Zones.
    */
@@ -529,7 +529,7 @@ interface ZoneSpec {
  *  Note: The ZoneDelegate treats ZoneSpec as class. This allows the ZoneSpec to use its `this` to
  *  store internal state.
  */
-interface ZoneDelegate {
+export interface ZoneDelegate {
   zone: Zone;
   fork(targetZone: Zone, zoneSpec: ZoneSpec): Zone;
   intercept(targetZone: Zone, callback: Function, source: string): Function;
@@ -542,24 +542,24 @@ interface ZoneDelegate {
   hasTask(targetZone: Zone, isEmpty: HasTaskState): void;
 }
 
-type HasTaskState = {
+export type HasTaskState = {
   microTask: boolean; macroTask: boolean; eventTask: boolean; change: TaskType;
 };
 
 /**
  * Task type: `microTask`, `macroTask`, `eventTask`.
  */
-type TaskType = 'microTask'|'macroTask'|'eventTask';
+export type TaskType = 'microTask'|'macroTask'|'eventTask';
 
 /**
  * Task type: `notScheduled`, `scheduling`, `scheduled`, `running`, `canceling`, 'unknown'.
  */
-type TaskState = 'notScheduled'|'scheduling'|'scheduled'|'running'|'canceling'|'unknown';
+export type TaskState = 'notScheduled'|'scheduling'|'scheduled'|'running'|'canceling'|'unknown';
 
 
 /**
  */
-interface TaskData {
+export interface TaskData {
   /**
    * A periodic [MacroTask] is such which get automatically rescheduled after it is executed.
    */
@@ -593,7 +593,7 @@ interface TaskData {
  *   queue. This happens when the event fires.
  *
  */
-interface Task {
+export interface Task {
   /**
    * Task type: `microTask`, `macroTask`, `eventTask`.
    */
@@ -660,19 +660,19 @@ interface Task {
   cancelScheduleRequest(): void;
 }
 
-interface MicroTask extends Task {
+export interface MicroTask extends Task {
   type: 'microTask';
 }
 
-interface MacroTask extends Task {
+export interface MacroTask extends Task {
   type: 'macroTask';
 }
 
-interface EventTask extends Task {
+export interface EventTask extends Task {
   type: 'eventTask';
 }
 
-type AmbientZone = Zone;
+export type AmbientZone = Zone;
 
 // Initialize global `Zone` constant.
 (function(global: any) {