IgorBabkin / ts-ioc-container / 25239439449

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refactor(provider)!: collapse SingletonProvider/DecoratorProvider into Provider (#75)

* refactor(provider)!: collapse SingletonProvider/DecoratorProvider into Provider

Fold the decorator hierarchy into a single Provider class that owns
caching, instance mappers, args pipeline, and access rules. The
extension seam moves from "subclass ProviderDecorator" to
"map(...DecorateFn[])". Removes pipe() from IProvider — Provider
is now configured via direct method chains (.singleton(), .lazy(),
.addArgsFn(), .addAccessRule(), .map()).

BREAKING CHANGE: SingletonProvider, DecoratorProvider, and
ProviderDecorator are removed. IProvider.pipe() is removed; use
the dedicated mutator methods. IProvider.addArgs() is removed; use
addArgsFn() or the appendArgs(...) pipe. ScopeAccessOptions now
includes args.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* refactor(provider): move ProviderPipe into registration module

ProviderPipe only existed to bridge providers and registrations, and
registerPipe was only called from Registration.pipe. Co-locating it
with IRegistration makes the dependency flow one-directional and
removes the dedicated bridge file in lib/provider/.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* refactor(provider): relocate inject helpers and pipe helpers to their owning modules

Fold inject/args/argsFn/resolveArgs into MetadataInjector — they exist
solely to support metadata-based reflection injection, so the file
that owns the strategy now owns the helpers.

Move appendArgs, appendArgsFn, scopeAccess, lazy, decorate, singleton
from IProvider into IRegistration, alongside bindTo and scope. Pipes
are a registration-layer concern (see prior commit relocating
ProviderPipe), so the helpers that produce them belong with the
registration module too. IProvider.ts is now purely the provider
type/interface.

Re-group lib/index.ts so the new locations sit with their existing
companions instead of as trailing one-liners.

Co-Author... (continued)

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