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🎨 utils-EventBus添加null-safe #23

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merged 5 commits into from
Dec 30, 2021
Merged

🎨 utils-EventBus添加null-safe #23

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5c00990
🎨 utils-EventBus添加null-safe
kkkman22 Dec 20, 2021
cd7ad02
🎨 修改theme配置功能及utils/brn_tools工具函数 null-safe
kkkman22 Dec 21, 2021
54ab5d8
🎨 EventBus添加null-safe(其他提交请忽略,输入回退)
kkkman22 Dec 21, 2021
1847a30
Merge branch 'null-safe' of https://github.com/LianjiaTech/bruno into…
kkkman22 Dec 22, 2021
5d28eb2
Merge branch 'null-safe' into null-safe
hexintao Dec 30, 2021
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18 changes: 17 additions & 1 deletion lib/src/utils/brn_event_bus.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,8 @@ class EventBus {
/// listener is affected. A paused listener will buffer events internally until
/// resumed or cancelled. So it's usually better to just cancel and later
/// subscribe again (avoids memory leak).
Stream<T> on<T>() {
///
Stream on<T>() {
if (T == dynamic) {
return streamController.stream as Stream<T>;
}
Expand All @@ -79,4 +80,19 @@ class EventBus {
void destroy() {
_streamController.close();
}
static EventBus? _instance;

factory EventBus.init() {
if (_instance == null) {
_instance = EventBus();
}
return _instance!;
}

static EventBus get instance {
if (_instance == null) {
EventBus.init();
}
return _instance!;
}
}