fixup! address review + update links

Signed-off-by: Miroslav Bajtoš <[email protected]>

docs/site/migration/components/current-context.md

@@ -39,6 +39,9 @@ information. For example:
 - `@inject.setter(key)` to obtain a setter function for writing values to the
   context
 
+To keep the contextual data per-request (as opposed to per-application), the
+`TRANSIENT` binding scope should be used.
+
 Components can keep using the old `options`-based approach where it makes more
 sense than Dependency Injection, typically when working with existing
 `options`-based code like Repository APIs.

docs/site/migration/components/overview.md

@@ -17,12 +17,6 @@ following GitHub issue:
 [loopback-next#3955](https://github.com/strongloop/loopback-next/issues/3955)
 " %}
 
-<!--
-FIXME: Create a new follow-up task to create a diagram per Raymond's comment:
-> Maybe a diagram would help if it shows the handshake between an application
-> and a component as well as typical artifacts exported from a component.
--->
-
 In LoopBack 3, a component is essentially a function that extends and/or patches
 the target application.
 
@@ -45,24 +39,24 @@ import those artifacts.
 
 LoopBack 4 components can contribute:
 
-<!-- FIXME change items to links pointing to doc pages -->
-
-- Model and Entity classes
-- Mixins
-- Sequence Actions
-- Controllers
-- Life cycle observers
-- Repositories
-- Service proxies
-- Servers
-- Extensions for Extension Points
-  - Booters
-  - Model API builders
+- [Model and Entity classes](../../Model.md)
+- [Mixins](../../Mixin.md)
+- [Decorators](../../Creating-decorators.md)
+- [Sequence Actions](../../Sequence.md#actions)
+- [Controllers](../../Controllers.md)
+- [Life cycle observers](../../Extension-life-cycle.md)
+- [Repositories](../../Repositories.md)
+- [Service proxies](../../Calling-other-APIs-and-Web-Services.md)
+- [Servers](../../Creating-servers.md)
+- [HTTP request parsers](../../Extending-request-body-parsing.md)
+- Extensions for [Extension Points](../../Extension-point-and-extensions.md)
+  - [Booters](../../Booting-an-Application.md#custom-booters)
+  - [Model API builders](../../Extending-Model-API-builder.md)
   - Extensions for Extension Points defined by 3rd-party component
 - Any other values to be bound in `Application`'s context:
-  - Classes
-  - Providers
-  - Arbitrary bindings (instances of `Binding` class)
+  - [Classes](../../Binding.md#a-class)
+  - [Providers](../../Binding.md#a-provider)
+  - [Arbitrary bindings](../../Binding.md) (instances of `Binding` class)
 
 As the last resort, LoopBack 4 components can also modify the target application
 directly by calling `Application` APIs (this is similar to LoopBack 3 approach).

docs/site/migration/components/project-layout.md

@@ -112,20 +112,5 @@ repository. We recommend to create a new project using
 incrementally migrate artifacts from the original LoopBack 3 component to the
 new project.
 
-<!--
-FIXME: create a follow-up task to update Extension template to follow
-the latest style as used by `extensions/metrics`:
-- inject the target app and component config to the component class,
-- provide `src/keys.ts` exporting `{ComponentName}Keys.COMPONENT` binding key,
-- decorate the component class with `@bind()`,
-- include generic Basic Use instructions in the scaffolded README file.
-As part of this task, we should also revisit the pages "Creating components"
-and "Using components", to make sure they are consistent with this migration
-guide and the updated generator (project template). For example, the pages
-should explain how to receive and provide component config via `@config` and
-`this.configure()` API, and so on.
-
-When the issue is created, then add a "note" paragraph here with a link to the
-new issue and a short explanation that users must make those changes manually
-for now.
--->
+{% include note.html content="The extension project template used by `lb4 extension` is a bit outdated now, please refer to [loopback-next#5336](https://github.com/strongloop/loopback-next/issues/5336) for more details.
+" %}