provide debug utilities for inspector via event communication

[patricklx]

this would allow inspector to communicate with emberjs without relying on any globals like the define, require functions and without the barrel file.
it would be required for inspector to provide more functionality when using vite or also when building with embroider webpack and staticEmberSources=true

would also like to glimmerjs/glimmer-vm#1489
as part of this

emberjs/ember-inspector#2554

[kategengler]

maybe @chancancode ?

[NullVoxPopuli]

We now need this to proceed with emberjs/rfcs#1015

For the VM side of this, glimmerjs/glimmer-vm#1489, benchmarks are running, so we'll know if this is safe.

[NullVoxPopuli]

I think this implementation is good for now, but we'll need to change things later, because I think we want ember-source to push panels into the inspector somehow.

needs some planning there, but it'd be great if ember-source's part of the inspector could be tested within ember-source, and than the inspector slurps those up (automatic updates depending on ember-source version!)

[patricklx]

I think pushing panels is not needed. more important would be to push a ember_debug directly from ember.js instead of having inspectors ember_debug try to support multiple versions.

[NullVoxPopuli]

well the thinking here is that because ember.js is has more people working on it, it could be updated more easily than the inspector -- and then the inspector also doesn't need to maintain compatibility with everything going forward -- as it would be provided by ember-source

we should probs move to talking about this on the discord though -- lots of details to work through

[ef4]

Are these things not already accessible via their existing private import paths?

[patricklx]

Not with ember static source enabled. Then it's not accessible.

[patricklx]

Biggest issue is the boot load event.
https://github.com/emberjs/ember.js/blob/main/packages/ember/barrel.ts#L749

And the whole ember source needs to be loaded before inspector can access it. (With AMD) There have been multiple issues around that in the past.

[patricklx]

E.g. emberjs/ember-inspector#2051

As an example

[github-actions]

Development Assets

Diff

--- main/out.txt	2025-04-10 17:47:56.000000000 +0000
+++ pr/./pr-14704709762/out.txt	2025-04-28 09:37:40.000000000 +0000
@@ -1,6 +1,6 @@
- 2.2M └─┬ .
-1015K   ├─┬ @ember
- 205K   │ ├─┬ -internals
+ 2.3M └─┬ .
+1020K   ├─┬ @ember
+ 206K   │ ├─┬ -internals
   69K   │ │ ├─┬ views
   64K   │ │ │ └─┬ lib
   23K   │ │ │   ├── mixins
@@ -27,7 +27,7 @@
  4.1K   │ │ └── environment
  183K   │ ├─┬ routing
   28K   │ │ └── lib
- 149K   │ ├─┬ object
+ 150K   │ ├─┬ object
   66K   │ │ └─┬ lib
   62K   │ │   └── computed
  114K   │ ├─┬ template-compiler
@@ -37,7 +37,7 @@
  4.1K   │ │   └── -internal
   66K   │ ├─┬ application
  5.6K   │ │ └── lib
-  52K   │ ├─┬ debug
+  57K   │ ├─┬ debug
   21K   │ │ └── lib
   38K   │ ├─┬ array
  4.9K   │ │ └── lib
@@ -63,23 +63,23 @@
  4.2K   │ ├── deprecated-features
  4.1K   │ ├── template-factory
  4.1K   │ └── version
- 709K   ├── shared-chunks
- 384K   ├─┬ @glimmer
- 166K   │ ├── runtime
+ 898K   ├── shared-chunks
+ 203K   ├─┬ @glimmer
   60K   │ ├── opcode-compiler
   30K   │ ├── manager
-  22K   │ ├── validator
   14K   │ ├── program
   12K   │ ├── reference
   11K   │ ├── destroyable
-  10K   │ ├─┬ tracking
- 4.4K   │ │ └── primitives
   10K   │ ├── util
+ 8.9K   │ ├─┬ tracking
+ 4.5K   │ │ └── primitives
  8.1K   │ ├── node
  7.3K   │ ├── global-context
  6.4K   │ ├── wire-format
+ 5.5K   │ ├── runtime
  5.0K   │ ├── vm
  4.9K   │ ├── encoder
+ 4.7K   │ ├── validator
  4.6K   │ ├── owner
  4.1K   │ └── env
   60K   ├─┬ ember-testing

Details

	This PR	main
Dev	2.3M └─┬ . 1020K ├─┬ @ember 206K │ ├─┬ -internals 69K │ │ ├─┬ views 64K │ │ │ └─┬ lib 23K │ │ │ ├── mixins 22K │ │ │ ├── system 10K │ │ │ ├── views 4.3K │ │ │ └── compat 35K │ │ ├─┬ runtime 30K │ │ │ └─┬ lib 21K │ │ │ ├── mixins 5.7K │ │ │ └── ext 26K │ │ ├─┬ meta 21K │ │ │ └── lib 11K │ │ ├── owner 9.4K │ │ ├── deprecations 7.4K │ │ ├── metal 7.0K │ │ ├── string 5.1K │ │ ├── glimmer 4.9K │ │ ├── utils 4.9K │ │ ├── routing 4.5K │ │ ├── error-handling 4.5K │ │ ├── utility-types 4.2K │ │ ├── container 4.2K │ │ ├── browser-environment 4.1K │ │ └── environment 183K │ ├─┬ routing 28K │ │ └── lib 150K │ ├─┬ object 66K │ │ └─┬ lib 62K │ │ └── computed 114K │ ├─┬ template-compiler 109K │ │ └─┬ lib 20K │ │ ├── plugins 4.6K │ │ ├── system 4.1K │ │ └── -internal 66K │ ├─┬ application 5.6K │ │ └── lib 57K │ ├─┬ debug 21K │ │ └── lib 38K │ ├─┬ array 4.9K │ │ └── lib 31K │ ├─┬ engine 4.7K │ │ └── lib 27K │ ├── runloop 22K │ ├─┬ utils 18K │ │ └── lib 20K │ ├── helper 11K │ ├── destroyable 9.8K │ ├── instrumentation 9.4K │ ├── controller 7.4K │ ├── service 7.2K │ ├── owner 6.2K │ ├── component 5.6K │ ├── canary-features 5.5K │ ├── modifier 5.1K │ ├── template-compilation 5.0K │ ├── enumerable 5.0K │ ├── test 4.4K │ ├── template 4.4K │ ├── renderer 4.2K │ ├── deprecated-features 4.1K │ ├── template-factory 4.1K │ └── version 898K ├── shared-chunks 203K ├─┬ @glimmer 60K │ ├── opcode-compiler 30K │ ├── manager 14K │ ├── program 12K │ ├── reference 11K │ ├── destroyable 10K │ ├── util 8.9K │ ├─┬ tracking 4.5K │ │ └── primitives 8.1K │ ├── node 7.3K │ ├── global-context 6.4K │ ├── wire-format 5.5K │ ├── runtime 5.0K │ ├── vm 4.9K │ ├── encoder 4.7K │ ├── validator 4.6K │ ├── owner 4.1K │ └── env 60K ├─┬ ember-testing 56K │ └─┬ lib 14K │ ├── test 14K │ ├── helpers 10K │ ├── ext 6.5K │ └── adapters 31K ├── backburner.js 25K ├── ember 24K ├── route-recognizer 18K ├─┬ @simple-dom 14K │ └── document 9.2K ├── dag-map 4.3K ├── rsvp 4.3K └── router_js	2.2M └─┬ . 1015K ├─┬ @ember 205K │ ├─┬ -internals 69K │ │ ├─┬ views 64K │ │ │ └─┬ lib 23K │ │ │ ├── mixins 22K │ │ │ ├── system 10K │ │ │ ├── views 4.3K │ │ │ └── compat 35K │ │ ├─┬ runtime 30K │ │ │ └─┬ lib 21K │ │ │ ├── mixins 5.7K │ │ │ └── ext 26K │ │ ├─┬ meta 21K │ │ │ └── lib 11K │ │ ├── owner 9.4K │ │ ├── deprecations 7.4K │ │ ├── metal 7.0K │ │ ├── string 5.1K │ │ ├── glimmer 4.9K │ │ ├── utils 4.9K │ │ ├── routing 4.5K │ │ ├── error-handling 4.5K │ │ ├── utility-types 4.2K │ │ ├── container 4.2K │ │ ├── browser-environment 4.1K │ │ └── environment 183K │ ├─┬ routing 28K │ │ └── lib 149K │ ├─┬ object 66K │ │ └─┬ lib 62K │ │ └── computed 114K │ ├─┬ template-compiler 109K │ │ └─┬ lib 20K │ │ ├── plugins 4.6K │ │ ├── system 4.1K │ │ └── -internal 66K │ ├─┬ application 5.6K │ │ └── lib 52K │ ├─┬ debug 21K │ │ └── lib 38K │ ├─┬ array 4.9K │ │ └── lib 31K │ ├─┬ engine 4.7K │ │ └── lib 27K │ ├── runloop 22K │ ├─┬ utils 18K │ │ └── lib 20K │ ├── helper 11K │ ├── destroyable 9.8K │ ├── instrumentation 9.4K │ ├── controller 7.4K │ ├── service 7.2K │ ├── owner 6.2K │ ├── component 5.6K │ ├── canary-features 5.5K │ ├── modifier 5.1K │ ├── template-compilation 5.0K │ ├── enumerable 5.0K │ ├── test 4.4K │ ├── template 4.4K │ ├── renderer 4.2K │ ├── deprecated-features 4.1K │ ├── template-factory 4.1K │ └── version 709K ├── shared-chunks 384K ├─┬ @glimmer 166K │ ├── runtime 60K │ ├── opcode-compiler 30K │ ├── manager 22K │ ├── validator 14K │ ├── program 12K │ ├── reference 11K │ ├── destroyable 10K │ ├─┬ tracking 4.4K │ │ └── primitives 10K │ ├── util 8.1K │ ├── node 7.3K │ ├── global-context 6.4K │ ├── wire-format 5.0K │ ├── vm 4.9K │ ├── encoder 4.6K │ ├── owner 4.1K │ └── env 60K ├─┬ ember-testing 56K │ └─┬ lib 14K │ ├── test 14K │ ├── helpers 10K │ ├── ext 6.5K │ └── adapters 31K ├── backburner.js 25K ├── ember 24K ├── route-recognizer 18K ├─┬ @simple-dom 14K │ └── document 9.2K ├── dag-map 4.3K ├── rsvp 4.3K └── router_js