38 lines
1.4 KiB
Go
38 lines
1.4 KiB
Go
package appmodule
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import (
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"cosmossdk.io/core/internal"
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)
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// Option is a functional option for implementing modules.
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type Option interface {
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apply(*internal.ModuleInitializer) error
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}
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type funcOption func(initializer *internal.ModuleInitializer) error
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func (f funcOption) apply(initializer *internal.ModuleInitializer) error {
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return f(initializer)
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}
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// Provide registers providers with the dependency injection system that will be
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// run within the module scope. See cosmossdk.io/depinject for
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// documentation on the dependency injection system.
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func Provide(providers ...interface{}) Option {
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return funcOption(func(initializer *internal.ModuleInitializer) error {
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initializer.Providers = append(initializer.Providers, providers...)
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return nil
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})
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}
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// Invoke registers invokers to run with depinject. Each invoker will be called
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// at the end of dependency graph configuration in the order in which it was defined. Invokers may not define output
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// parameters, although they may return an error, and all of their input parameters will be marked as optional so that
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// invokers impose no additional constraints on the dependency graph. Invoker functions should nil-check all inputs.
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func Invoke(invokers ...interface{}) Option {
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return funcOption(func(initializer *internal.ModuleInitializer) error {
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initializer.Invokers = append(initializer.Invokers, invokers...)
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return nil
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})
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}
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