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Small bug: "Cannot read property '0' of null" #12950

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DmitriyIvanko opened this issue Nov 13, 2018 · 1 comment · Fixed by #12953
Closed

Small bug: "Cannot read property '0' of null" #12950

DmitriyIvanko opened this issue Nov 13, 2018 · 1 comment · Fixed by #12953
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area: schematics/angular freq1: low Only reported by a handful of users who observe it rarely severity3: broken type: bug/fix
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Backlog

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@DmitriyIvanko
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Bug Report or Feature Request (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request

Command (mark with an x)

- [ ] new
- [ ] build
- [ ] serve
- [ ] test
- [ ] e2e
- [x] generate
- [ ] add
- [ ] update
- [ ] lint
- [ ] xi18n
- [ ] run
- [ ] config
- [ ] help
- [ ] version
- [ ] doc

Versions

Node,js 8.11.4
npm 5.6.0
Angular: 7.0.3

Repro steps

  1. Generate new project ("Tour of Heroes: for example);
  2. Remove leading whitespaces in AppModule declaretions:
    screenshot_3
  3. Try add any component: "ng g c foobar"

The log given by the failure

Console throw an error:
"Cannot read property '0' of null"

Desired functionality

No error;

Mention any other details that might be useful

It is easy reproduce for any Angular ClL Project. Like Quickstart example:
https://angular.io/guide/quickstart
@alan-agius4 alan-agius4 added type: bug/fix freq1: low Only reported by a handful of users who observe it rarely severity3: broken area: schematics/angular labels Nov 13, 2018
@ngbot ngbot bot added this to the Backlog milestone Nov 13, 2018
@alan-agius4 alan-agius4 mentioned this issue Nov 13, 2018
Merged
kyliau pushed a commit that referenced this issue Nov 14, 2018
@alan-agius4 @kyliau
fix(@schematics/angular): addSymbolToNgModuleMetadata metadata with…
8f0d03b 
…out indent

At the moment, at least a single whitespace is required as otherwise the following error `Cannot read property '0' of null ` will be thrown

Fixes #12950
kyliau pushed a commit to kyliau/angular-cli that referenced this issue Nov 14, 2018
@alan-agius4 @kyliau
fix(@schematics/angular): addSymbolToNgModuleMetadata metadata with…
76cb92f 
…out indent

At the moment, at least a single whitespace is required as otherwise the following error `Cannot read property '0' of null ` will be thrown

Fixes angular#12950
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area: schematics/angular freq1: low Only reported by a handful of users who observe it rarely severity3: broken type: bug/fix
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fix(@schematics/angular): addSymbolToNgModuleMetadata metadata with…
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@alan-agius4 @DmitriyIvanko