* get rid of TSParenthesizedType nodes before proceeding with formatting
* fix parens for TSIndexedAccessType, TSFunctionType, TSConditionalType
fixes#6603
* workaround edge cases with one-item unions and intersections
* fix parens for TSInferType
* fix parens for rest elements in tuple types
* refactoring
* fix function types in conditional types
* move tests for rest and optional tuple elements
* fix comment issues
* tests for unions and intersections
* add parens around multiline unions in tuple
* move the parens check for TS nodes closer to the one for Flow nodes
* update CHANGELOG.unreleased.md
* remove dead code
* fix parens for TSConstructorType
* better wording in CHANGELOG.unreleased.md
* chore: upgrade Jest
* chore: update snapshots
* chore: lock down babel dependency using invalid syntax
* 2 args to test.skip
* use jest 22 for now
* Revert "2 args to test.skip"
This reverts commit 691fdc3f99e320f2303958f2b503f7b4c93fa455.
* remove snapshot name from matcher
* fix standalone tests skips
* feat(typescript): support for conditonal types
* refactor(js): reuse conditional expression logic
* chore(typescript): update snapshot for typescript conditional type test suite
* chore(js): make code support Node 4
* chore(js): rename utility functions
* chore(js): add comments for formatTernaryOperator
* fix(ts): support infer keyword
* chore(js): new line
* chore(js): improve readablity a little bit