Uncaught TypeError: Cannot read property 'on' of null

Hi guys, I get this issue every time I open atom.

Atom Version: 1.12.7 Electron Version: 1.3.13 System: Mac OS X 10.12.2 Thrown From: file-icons package, v2.0.1

Stack Trace

Uncaught TypeError: Cannot read property ‘on’ of null

At /Users/dimitarmihaylov/.atom/packages/file-icons/lib/filesystem/resource.js:37

TypeError: Cannot read property 'on' of null
    at TreeEntry.onDidDestroy (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/filesystem/resource.js:37:22)
    at PathStrategy.registerResource (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/service/strategy.js:210:32)
    at PathStrategy.registerResource (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/service/strategies/path-strategy.js:21:12)
    at PathStrategy.check (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/service/strategy.js:133:9)
    at StrategyManager.query (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/service/strategy-manager.js:84:32)
    at Immediate._ (/Users/dimitarmihaylov/.atom/packages/file-icons/lib/service/icon-delegate.js:204:36)
    at runCallback (timers.js:574:20)
    at tryOnImmediate (timers.js:554:5)
    at processImmediate [as _immediateCallback] (timers.js:533:5)

Commands

     -0:01.3.0 project-manager:list-projects (atom-pane.pane.active)
     -0:00.7.0 core:move-up (atom-text-editor.editor.mini.is-focused)
     -0:00.3.0 core:confirm (atom-text-editor.editor.mini.is-focused)

Config

{
  "core": {
    "disabledPackages": [
      "atom-bootstrap3",
      "aligner",
      "atom-autocomplete-php",
      "minimap",
      "minimap-highlight-selected",
      "symbol-gen",
      "symbols-view"
    ],
    "telemetryConsent": "limited",
    "themes": [
      "nucleus-dark-ui",
      "behave-theme"
    ]
  },
  "file-icons": {
    "onChanges": true
  }
}

Installed Packages

# User
aligner, v0.22.3 (inactive)
atom-alignment, v0.12.1 (active)
atom-autocomplete-php, v0.20.2 (inactive)
atom-beautify, v0.29.14 (inactive)
atom-bootstrap3, v1.2.12 (inactive)
atom-codeigniter3-modular-snippets, v0.2.2 (active)
atom-ctags, v5.0.0 (active)
auto-update-packages, v1.0.1 (active)
autoclose-html, v0.23.0 (active)
behave-theme, v1.6.0 (active)
case-conversion, v0.2.0 (inactive)
codeigniter, v0.3.1 (active)
date, v1.1.1 (inactive)
docblock-format-helper, v0.3.0 (active)
docblockr, v0.9.1 (active)
duplicate-removal, v0.1.3 (inactive)
emmet, v2.4.3 (active)
emmet-snippets-compatibility, v1.0.6 (active)
file-icons, v2.0.1 (active)
highlight-selected, v0.11.2 (active)
linter, v1.11.18 (active)
linter-csslint, v1.3.3 (active)
linter-php, v1.3.1 (active)
minimap, v4.25.7 (inactive)
minimap-highlight-selected, v4.4.0 (inactive)
monokai-seti, v0.7.0 (inactive)
nucleus-dark-ui, v0.10.19 (active)
php-cs-fixer, v4.1.0 (active)
pigments, v0.37.0 (active)
project-manager, v3.3.3 (active)
seti-ui, v1.4.0 (inactive)
sort-lines, v0.14.0 (inactive)
symbol-gen, v1.3.1 (inactive)
atom-dark-syntax, v0.27.0 (inactive)
atom-dark-ui, v0.52.0 (inactive)
atom-light-syntax, v0.28.0 (inactive)
atom-light-ui, v0.45.0 (inactive)
base16-tomorrow-dark-theme, v1.3.0 (inactive)
base16-tomorrow-light-theme, v1.3.0 (inactive)
one-dark-ui, v1.6.2 (inactive)
one-light-ui, v1.6.2 (inactive)
one-dark-syntax, v1.5.0 (inactive)
one-light-syntax, v1.5.0 (inactive)
solarized-dark-syntax, v1.0.5 (inactive)
solarized-light-syntax, v1.0.5 (inactive)
about, v1.7.0 (active)
archive-view, v0.62.0 (active)
autocomplete-atom-api, v0.10.0 (active)
autocomplete-css, v0.13.1 (active)
autocomplete-html, v0.7.2 (active)
autocomplete-plus, v2.31.4 (active)
autocomplete-snippets, v1.11.0 (active)
autoflow, v0.27.0 (inactive)
autosave, v0.23.1 (active)
background-tips, v0.26.1 (active)
bookmarks, v0.42.0 (active)
bracket-matcher, v0.82.2 (active)
command-palette, v0.39.0 (inactive)
deprecation-cop, v0.54.1 (active)
dev-live-reload, v0.47.0 (active)
encoding-selector, v0.22.0 (active)
exception-reporting, v0.40.0 (active)
find-and-replace, v0.202.2 (inactive)
fuzzy-finder, v1.4.0 (active)
git-diff, v1.1.0 (active)
go-to-line, v0.31.0 (inactive)
grammar-selector, v0.48.2 (active)
image-view, v0.60.0 (active)
incompatible-packages, v0.26.1 (active)
keybinding-resolver, v0.35.0 (active)
line-ending-selector, v0.5.0 (active)
link, v0.31.2 (inactive)
markdown-preview, v0.158.8 (active)
metrics, v1.1.2 (active)
notifications, v0.65.1 (active)
open-on-github, v1.2.1 (inactive)
package-generator, v1.0.1 (inactive)
settings-view, v0.243.1 (active)
snippets, v1.0.4 (active)
spell-check, v0.68.4 (active)
status-bar, v1.4.1 (active)
styleguide, v0.47.2 (active)
symbols-view, v0.113.1 (inactive)
tabs, v0.103.0 (active)
timecop, v0.33.2 (active)
tree-view, v0.210.0 (active)
update-package-dependencies, v0.10.0 (active)
welcome, v0.35.1 (active)
whitespace, v0.35.0 (active)
wrap-guide, v0.38.2 (active)
language-c, v0.54.0 (active)
language-clojure, v0.22.1 (active)
language-coffee-script, v0.48.0 (active)
language-csharp, v0.13.0 (active)
language-css, v0.40.1 (active)
language-gfm, v0.88.0 (active)
language-git, v0.15.0 (active)
language-go, v0.43.0 (active)
language-html, v0.47.1 (active)
language-hyperlink, v0.16.1 (active)
language-java, v0.24.0 (active)
language-javascript, v0.122.0 (active)
language-json, v0.18.3 (active)
language-less, v0.29.6 (active)
language-make, v0.22.2 (active)
language-mustache, v0.13.0 (active)
language-objective-c, v0.15.1 (active)
language-perl, v0.37.0 (active)
language-php, v0.37.3 (active)
language-property-list, v0.8.0 (active)
language-python, v0.45.1 (active)
language-ruby, v0.70.2 (active)
language-ruby-on-rails, v0.25.1 (active)
language-sass, v0.57.0 (active)
language-shellscript, v0.23.0 (active)
language-source, v0.9.0 (active)
language-sql, v0.25.0 (active)
language-text, v0.7.1 (active)
language-todo, v0.29.1 (active)
language-toml, v0.18.1 (active)
language-xml, v0.34.12 (active)
language-yaml, v0.27.1 (active)

# Dev
No dev packages

[Alhadis]

Okay, done! Please let me know if there are any further issues. =)

[Alhadis]

No that’s perfect, that’s exactly what I needed to know. =) Linking the package with apm link -d will only load it when Atom is started in dev-mode, so this confirms that the recent commit fixed it.

Will cut another patch now.