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[javascript] Add support for ES6 version and use that as default

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Fixes #1235
Fixes #2379
This commit is contained in:
Andreas Dangel
2020-04-16 16:32:49 +02:00
parent 954bfb28d4
commit e2ee78dae3
6 changed files with 78 additions and 13 deletions
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docs/pages/release_notes.md
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@@ -30,6 +30,13 @@ not change the result of your rules*, if it does, please report a bug at https:/
Note that XPath 1.0 support, the default XPath version, is deprecated since PMD 6.22.0.
**We highly recommend that you upgrade your rules to XPath 2.0**. Please refer to the [migration guide](https://pmd.github.io/latest/pmd_userdocs_extending_writing_xpath_rules.html#migrating-from-10-to-20).
#### Javascript improvements for ES6
PMD uses the [Rhino](https://github.com/mozilla/rhino) library to parse Javascript.
The default version has been set to `ES6`, so that some ECMAScript 2015 features are
supported. E.g. `let` statements and `for-of` loops are now parsed. However Rhino does
not support all features.
#### New Rules
* The new Apex rule {% rule "apex/codestyle/FieldDeclarationsShouldBeAtStart" %} (`apex-codestyle`)
@@ -59,6 +66,9 @@ Note that XPath 1.0 support, the default XPath version, is deprecated since PMD
* [#2402](https://github.com/pmd/pmd/issues/2402): \[java] CloseResource possible false positive with Primitive Streams
* java-multithreading
* [#2313](https://github.com/pmd/pmd/issues/2313): \[java] Documenation for DoNotUseThreads is outdated
* javascript
* [#1235](https://github.com/pmd/pmd/issues/1235): \[javascript] Use of let results in an Empty Statement in the AST
* [#2379](https://github.com/pmd/pmd/issues/2379): \[javascript] Support for-of loop
### API Changes