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Revision fcd9334f57d85b73dd66ad2d21c02e84822f4841 authored by Ron Buckton on 30 September 2019, 19:33:28 UTC, committed by GitHub on 30 September 2019, 19:33:28 UTC 
Add support for Optional Chaining (#33294)
 
* Add support for Optional Chaining

* Add grammar error for invalid tagged template, more tests

* Prototype

* PR feedback

* Add errors for invalid assignments and a trailing '?.'

* Add additional signature help test, fix lint warnings

* Fix to insert text for completions

* Add initial control-flow analysis for optional chains

* PR Feedback and more tests

* Update to control flow

* Remove mangled smart quotes in comments

* Fix lint, PR feedback

* Updates to control flow

* Switch to FlowCondition for CFA of optional chains

* Fix ?. insertion for completions on type variables

* Accept API baseline change

* Clean up types

* improve control-flow debug output

* Revert Debug.formatControlFlowGraph helper
1 parent 7ce793c
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.yarnrc 
--install.no-lockfile true
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