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Uncaught TypeError results in empty launcher #45

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jans-code opened this issue Apr 2, 2023 · 7 comments
Open

Uncaught TypeError results in empty launcher #45

jans-code opened this issue Apr 2, 2023 · 7 comments
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bug Something isn't working

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@jans-code
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Description

I am having some trouble getting the enhanced launcher to work.
After installation via pip my launcher is just empty and I get error messages on browser console.

I got a lot of kernels, maybe that is the problem?

default

I'd really like to use this promising enhancement, but I am having trouble getting my grip around this problem.

enhanced

Reproduce

Permanently when opening/viewing a launcher tab.

Expected behavior

The enhanced launcher should be visible.

Context

  • Python package version: jlab-enhanced-launcher-3.2.0
  • Extension version:
        jupyterlab-ihaskell v0.0.14 enabled OK
        jupyterlab_pygments v0.2.2 enabled OK (python, jupyterlab_pygments)
        nbdime-jupyterlab v2.1.1 enabled OK
        jupyterlab-rise v0.2.0 enabled OK (python, jupyterlab_rise)
        jupyterlab-night v0.4.6 enabled OK (python, jupyterlab_night)
        jupyterlab_apod v3.5.0 enabled OK (python, jupyterlab_apod)
        gpt_jupyterlab v0.1.4 enabled OK (python, gpt_jupyterlab)
        jupyterlab-jupytext v1.3.8+dev enabled OK (python, jupytext)
        @jlab-enhanced/favorites v3.1.1 enabled OK (python, jupyterlab-favorites)
        @jlab-enhanced/launcher v3.2.0 enabled OK (python, jlab-enhanced-launcher)
        @jupyter-widgets/jupyterlab-manager v5.0.7 enabled OK (python, jupyterlab_widgets)
        @deathbeds/ipydrawio-mathjax v1.2.2 enabled OK (python, ipydrawio-mathjax)
        @deathbeds/ipydrawio v1.2.2 enabled OK (python, ipydrawio)
        @deathbeds/ipydrawio-jupyter-templates v1.2.2 enabled OK (python, ipydrawio)
        @deathbeds/ipydrawio-webpack v20.5.300 enabled OK (python, ipydrawio)
        @deathbeds/ipydrawio-notebook v1.2.2 enabled OK (python, ipydrawio)
        @telamonian/theme-darcula v4.0.0 enabled OK (python, theme-darcula)
        @mohirio/jupyterlab-horizon-theme v3.1.1-b0 enabled OK (python, jupyterlab-horizon-theme)
        @hadim/jupyter-archive v3.3.4 enabled OK (python, jupyter-archive)
        @jupyterlab/latex v3.1.0 enabled OK (python, jupyterlab-latex)
        @jupyterlab/git v0.41.0 enabled OK (python, jupyterlab-git)
  • Operating System and its version: Archlinux
  • Browser and its version: current chromium, edge and vivaldi versions
Command Line Output 
Nothing.
Web Browser Output 
41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at L.render (41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1:3493)
    at vdom.js:53:32
    at new Promise ()
    at L.renderDOM (vdom.js:52:16)
    at L.onUpdateRequest (vdom.js:30:35)
    at e.processMessage (index.es6.js:1421:22)
    at b (index.es6.js:444:21)
    at Object.t [as sendMessage] (index.es6.js:180:13)
    at L.onAfterAttach (vdom.js:37:9)
    at e.processMessage (index.es6.js:1455:22)
render @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
(anonymous) @ vdom.js:53
renderDOM @ vdom.js:52
onUpdateRequest @ vdom.js:30
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
onAfterAttach @ vdom.js:37
e.processMessage @ index.es6.js:1455
b @ index.es6.js:444
t @ index.es6.js:180
(anonymous) @ index.es6.js:2200
c @ index.es6.js:1563
e.onAfterAttach @ index.es6.js:2199
e.processParentMessage @ index.es6.js:2099
e.notifyLayout @ index.es6.js:1500
e.processMessage @ index.es6.js:1454
b @ index.es6.js:444
t @ index.es6.js:180
t.attachWidget @ index.es6.js:10352
t.addWidget @ index.es6.js:10243
t.addWidget @ index.es6.js:11900
_addToMainArea @ shell.js:853
add @ shell.js:514
execute @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
e.execute @ index.es6.js:406
t @ index.js:931
execute @ index.js:859
e.execute @ index.es6.js:406
(anonymous) @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._onTabAddRequested @ index.es6.js:12420
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._evtMouseUp @ index.es6.js:9222
t.handleEvent @ index.es6.js:8931
41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at L.render (41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1:3493)
    at vdom.js:53:32
    at new Promise ()
    at L.renderDOM (vdom.js:52:16)
    at L.onUpdateRequest (vdom.js:30:35)
    at e.processMessage (index.es6.js:1421:22)
    at b (index.es6.js:444:21)
    at t (index.es6.js:180:13)
    at y (index.es6.js:495:17)
render @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
(anonymous) @ vdom.js:53
renderDOM @ vdom.js:52
onUpdateRequest @ vdom.js:30
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
y @ index.es6.js:495
requestAnimationFrame (async)
_ @ index.es6.js:463
n @ index.es6.js:231
e.update @ index.es6.js:1281
set model @ vdom.js:97
w @ vdom.js:75
L @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
execute @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
e.execute @ index.es6.js:406
t @ index.js:931
execute @ index.js:859
e.execute @ index.es6.js:406
(anonymous) @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._onTabAddRequested @ index.es6.js:12420
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._evtMouseUp @ index.es6.js:9222
t.handleEvent @ index.es6.js:8931
41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at L.render (41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1:3493)
    at vdom.js:53:32
    at new Promise ()
    at L.renderDOM (vdom.js:52:16)
    at L.onUpdateRequest (vdom.js:30:35)
    at e.processMessage (index.es6.js:1421:22)
    at b (index.es6.js:444:21)
    at Object.t [as sendMessage] (index.es6.js:180:13)
    at je.onUpdateRequest (mainareawidget.js:199:13)
    at e.processMessage (index.es6.js:1421:22)
render @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
(anonymous) @ vdom.js:53
renderDOM @ vdom.js:52
onUpdateRequest @ vdom.js:30
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
onUpdateRequest @ mainareawidget.js:199
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
t._fit @ index.es6.js:5084
t.onFitRequest @ index.es6.js:5018
e.processParentMessage @ index.es6.js:2081
e.notifyLayout @ index.es6.js:1500
e.processMessage @ index.es6.js:1424
b @ index.es6.js:444
t @ index.es6.js:180
y @ index.es6.js:495
requestAnimationFrame (async)
_ @ index.es6.js:463
n @ index.es6.js:231
e.update @ index.es6.js:1281
set model @ vdom.js:97
w @ vdom.js:75
L @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
execute @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
e.execute @ index.es6.js:406
t @ index.js:931
execute @ index.js:859
e.execute @ index.es6.js:406
(anonymous) @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._onTabAddRequested @ index.es6.js:12420
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._evtMouseUp @ index.es6.js:9222
t.handleEvent @ index.es6.js:8931
41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at L.render (41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1:3493)
    at vdom.js:53:32
    at new Promise ()
    at L.renderDOM (vdom.js:52:16)
    at L.onUpdateRequest (vdom.js:30:35)
    at e.processMessage (index.es6.js:1421:22)
    at b (index.es6.js:444:21)
    at Object.t [as sendMessage] (index.es6.js:180:13)
    at je.onUpdateRequest (mainareawidget.js:199:13)
    at e.processMessage (index.es6.js:1421:22)
render @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
(anonymous) @ vdom.js:53
renderDOM @ vdom.js:52
onUpdateRequest @ vdom.js:30
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
onUpdateRequest @ mainareawidget.js:199
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
t._fit @ index.es6.js:5084
t.onFitRequest @ index.es6.js:5018
e.processParentMessage @ index.es6.js:2081
e.notifyLayout @ index.es6.js:1500
e.processMessage @ index.es6.js:1424
b @ index.es6.js:444
t @ index.es6.js:180
t._fit @ index.es6.js:5079
t.onFitRequest @ index.es6.js:5018
e.processParentMessage @ index.es6.js:2081
e.notifyLayout @ index.es6.js:1500
e.processMessage @ index.es6.js:1424
b @ index.es6.js:444
t @ index.es6.js:180
y @ index.es6.js:495
requestAnimationFrame (async)
_ @ index.es6.js:463
n @ index.es6.js:231
e.update @ index.es6.js:1281
set model @ vdom.js:97
w @ vdom.js:75
L @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
execute @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
e.execute @ index.es6.js:406
t @ index.js:931
execute @ index.js:859
e.execute @ index.es6.js:406
(anonymous) @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._onTabAddRequested @ index.es6.js:12420
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._evtMouseUp @ index.es6.js:9222
t.handleEvent @ index.es6.js:8931
41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'forEach')
    at L.render (41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1:3493)
    at vdom.js:53:32
    at new Promise ()
    at L.renderDOM (vdom.js:52:16)
    at L.onUpdateRequest (vdom.js:30:35)
    at e.processMessage (index.es6.js:1421:22)
    at b (index.es6.js:444:21)
    at Object.t [as sendMessage] (index.es6.js:180:13)
    at je.onUpdateRequest (mainareawidget.js:199:13)
    at e.processMessage (index.es6.js:1421:22)
render @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
(anonymous) @ vdom.js:53
renderDOM @ vdom.js:52
onUpdateRequest @ vdom.js:30
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
onUpdateRequest @ mainareawidget.js:199
e.processMessage @ index.es6.js:1421
b @ index.es6.js:444
t @ index.es6.js:180
y @ index.es6.js:495
requestAnimationFrame (async)
_ @ index.es6.js:463
n @ index.es6.js:231
e.update @ index.es6.js:1281
set model @ vdom.js:97
w @ vdom.js:75
L @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
execute @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
e.execute @ index.es6.js:406
t @ index.js:931
execute @ index.js:859
e.execute @ index.es6.js:406
(anonymous) @ 41.537ed9d24b3489875a6e.js?v=537ed9d24b3489875a6e:1
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._onTabAddRequested @ index.es6.js:12420
g @ index.es6.js:510
c @ index.es6.js:465
e.emit @ index.es6.js:121
t._evtMouseUp @ index.es6.js:9222
t.handleEvent @ index.es6.js:8931

Thank you for your time!
@jans-code jans-code added the bug Something isn't working label Apr 2, 2023
@fcollonval
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Thanks @jans-code for reaching out. I think we are hit by German localization. Could you try quickly if using JupyterLab without the german translation solves the bug?

@jans-code
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oh indeed @fcollonval the extension works fine with defaulting back to english.

@fcollonval
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Would you be willing to open a PR to fix the bug? I can provide pointers.

@jans-code
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i would be willing, those have to be good pointers though :)

@fcollonval
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To fix this, we need to translate all constant categories in the code.

  1. The translator object is obtained in the view widget there:

jlab-enhanced-launcher/src/launcher.tsx

Line 243 in 5ca9e09

this._trans = this.translator.load('jupyterlab');

  1. You need to wrap the following category names in this._trans.__(...) (e.g. this._trans.__('Notebook')):
    1. 'Other' line 286
    2. 'Notebook' line 294 and 296
    3. 'Console' line 298 and 300
    4. 'Other' line 386
    5. 'Kernels' line 410

@jans-code
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Okay, I'll take a look at it later today and if any trouble comes up I will post here.

@jans-code
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jans-code commented Apr 3, 2023 •
edited

So I've played around with this, made the suggested changes and at least I did not break the extension, but when using german I still get the same error.

The trouble comes from the 'Console' category alone (for german local at least) and when I hardcode the german 'Konsole' in there it works.

So i guess there is something wrong with that translator object and it just falls back to that NullTranslator permanently?

@jans-code jans-code mentioned this issue Apr 3, 2023
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@fcollonval @jans-code