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