no-useless-constructor: class declaration with constructor throws exception #15
Description
This issue was initially reported here: eslint/typescript-eslint-parser#485
What version of TypeScript are you using?
2.9.1
What version of typescript-eslint-parser are you using?
16.0.0
What code were you trying to parse?
// foo.ts
declare class Foo {
constructor();
}or
// foo.d.ts
class Foo {
constructor();
}What did you expect to happen?
No exception.
What happened?
TypeError: Cannot read property 'body' of null
at checkForConstructor (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/rules/no-useless-constructor.js:167:41)
at listeners.(anonymous function).forEach.listener (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/safe-emitter.js:47:58)
at Array.forEach (native)
at Object.emit (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/safe-emitter.js:47:38)
at NodeEventGenerator.applySelector (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/node-event-generator.js:251:26)
at NodeEventGenerator.applySelectors (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/node-event-generator.js:280:22)
at NodeEventGenerator.enterNode (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/node-event-generator.js:294:14)
at CodePathAnalyzer.enterNode (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/code-path-analysis/code-path-analyzer.js:608:23)
at Traverser.enter [as _enter] (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/linter.js:865:28)
at Traverser._traverse (/Users/OliverJAsh/Development/unsplash-web/node_modules/eslint/lib/util/traverser.js:132:14)
Possibly related to eslint/typescript-eslint-parser#384?