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Handle WailsInit() errors

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This commit is contained in:
Lea Anthony 2021-01-01 12:39:59 +11:00
parent f7db0b7373
commit be0a9ddf6b
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1 changed files with 18 additions and 4 deletions
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22
v2/internal/subsystem/binding.go
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@ -5,6 +5,8 @@ import (
"github.com/wailsapp/wails/v2/internal/logger" "github.com/wailsapp/wails/v2/internal/logger"
"github.com/wailsapp/wails/v2/internal/runtime" "github.com/wailsapp/wails/v2/internal/runtime"
"github.com/wailsapp/wails/v2/internal/servicebus" "github.com/wailsapp/wails/v2/internal/servicebus"
"os"
"time"
) )
// Binding is the Binding subsystem. It manages all service bus messages // Binding is the Binding subsystem. It manages all service bus messages
@ -24,6 +26,13 @@ type Binding struct {
runtime *runtime.Runtime runtime *runtime.Runtime
} }
func showError(err error) {
// Add a slight delay so log buffer clears
time.Sleep(1 * time.Second)
println("\n\n\n\n\n\n")
println("Fatal Error in WailsInit(): " + err.Error())
}
// NewBinding creates a new binding subsystem. Uses the given bindings db for reference. // NewBinding creates a new binding subsystem. Uses the given bindings db for reference.
func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *binding.Bindings, runtime *runtime.Runtime) (*Binding, error) { func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *binding.Bindings, runtime *runtime.Runtime) (*Binding, error) {
@ -48,11 +57,13 @@ func NewBinding(bus *servicebus.ServiceBus, logger *logger.Logger, bindings *bin
} }
// Call WailsInit methods once the frontend is loaded // Call WailsInit methods once the frontend is loaded
// TODO: Double check that this is actually being emitted
// when we want it to be
runtime.Events.On("wails:loaded", func(...interface{}) { runtime.Events.On("wails:loaded", func(...interface{}) {
result.logger.Trace("Calling WailsInit() methods") result.logger.Trace("Calling WailsInit() methods")
result.CallWailsInit() err := result.CallWailsInit()
if err != nil {
showError(err)
os.Exit(1)
}
}) })
return result, nil return result, nil
@ -108,6 +119,9 @@ func (b *Binding) CallWailsShutdown() error {
} }
func (b *Binding) shutdown() { func (b *Binding) shutdown() {
b.CallWailsShutdown() err := b.CallWailsShutdown()
if err != nil {
showError(err)
}
b.logger.Trace("Shutdown") b.logger.Trace("Shutdown")
} }