Angular-cli: Missing doc about ng build with --build-optimizer

[yokots]

Bug Report or Feature Request (mark with an x)

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- [ ] feature request

Versions.

macOS Sierra 10.12.6

• node: 8.4.0
• npm: 5.3.0
• angular-cli: 1.3.1

When use ng build with --prod and --build-optimizer flag, it can not separate vendor chunk from the main chunk, it must use --vendor-chunk explicitly. But this build bigger chunk.

[clydin]

Disabling the vendor chunk is intentional as it allows further optimization. The example above demonstrates the benefit (~200KB saved).

[yokots]

@clydin Thank you! Please update the doc as soon as possible to explain this.

[frostbtn]

While we are at it. Wiki on build switch shows -bo is a valid alias, when as of 1.3.2 the only valid alias is --buildOptimizer.

[Brocco]

Closing this issue...

@frostbtn FYI, that issue has been addressed in master and will be updated in the next release of the docs to the wiki.

[johnpapa]

It has been added to the wiki here https://github.com/angular/angular-cli/wiki/build#options

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