ng add @angular/pwa --project broken in 6.1.0-rc.0

[naveedahmed1]

Bug Report or Feature Request (mark with an x)

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

Area

- [ x] devkit
- [x ] schematics

Versions

node --version v8.9.1

npm --version 5.5.1

Windows 10

Repro steps

Generate new project:

ng new Temp
add @angular/pwa

ng add @angular/pwa --project Temp

and it will throw the below error:

Schematic input does not validate against the Schema: {"project":"Temp","target":"build","configuration":"production","title":"Temp"}
Errors:

  Data path "" should NOT have additional properties(title).

Desired functionality

It should work.

[tobi-or-not-tobi]

I can confirm this happens with @angular/[email protected] as well.

[rrahul14]

This is also happening with @angular/[email protected]

[bave8672]

Possibly related: #11640

[lexcaraig]

existing in cli 6.1.1

[gkalpak]

@angular/pwa works find in latest (beta) versions (see #11640 (comment)).

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