Core Core framework library — command definition, parsing, routing, plugins, and errors.
The core package provides everything needed to define and run CLI commands. It has zero runtime dependencies .
Class Description CrustChainable builder for defining CLI commands with full type inference
Function Description parseArgsParse argv against a command's arg/flag definitions resolveCommandResolve a subcommand from an argv array createCommandNodeCreate a fresh CommandNode (for downstream packages) computeEffectiveFlagsMerge inherited + local flags at runtime
Constant Description VALIDATION_MODE_ENVEnvironment variable name for build-time validation mode
Type Description CommandNodeInternal command tree node CrustCommandContext<A, F>Runtime context passed to lifecycle hooks CommandMetaCommand metadata (name, description, usage) ArgDefPositional argument definition ArgsDefTuple of argument definitions FlagDefNamed flag definition FlagsDefRecord of flag definitions InferArgs<A>Infer resolved arg types from definitions InferFlags<F>Infer resolved flag types from definitions EffectiveFlags<I, L>Compute effective flags from inherited + local InheritableFlags<F>Pick only inheritable flags MergeFlags<P, L>Merge parent + local flags ParseResult<A, F>Output of parseArgs CommandRouteOutput of resolveCommand CrustPluginPlugin interface SetupContextContext passed to plugin setup hooks SetupActionsActions available during plugin setup MiddlewareContextContext passed to plugin middleware PluginMiddlewareMiddleware function type CrustErrorTyped error class CrustErrorCodeError code union ValueTypeSupported type literals ("string" | "number" | "boolean") ValidateFlagAliases<F>Compile-time alias collision check ValidateNoPrefixedFlags<F>Compile-time no- prefix check ValidateVariadicArgs<A>Compile-time variadic position check
@crustjs/core is the primary runtime dependency for all Crust CLI applications. Install it alongside @crustjs/plugins@crustjs/crust
