gosuki/cmd/mod_hooks.go

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// Modules can register custom hooks here that will plug into urfave *cli.App
// API. The hooks will be called in the same order as defined urfave's cli.
package cmd
import "github.com/urfave/cli/v2"
type Hook func(*cli.Context) error
// Map module id to list of *cli.App.Before hooks
var modCmdBeforeHooks = map[string]Hook{}
// Register a module hook to be run in *cli.App.Before
func RegBeforeHook(modId string, hook Hook) {
if hook == nil {
log.Panicf("cannot register nil hook for <%s>", modId)
}
if _, ok := modCmdBeforeHooks[modId]; ok {
log.Warningf("a hook was already registered for module <%s>", modId)
}
modCmdBeforeHooks[modId] = hook
}
// Return all registered Before hooks for module
func BeforeHook(modId string) Hook {
return modCmdBeforeHooks[modId]
}