fix(utils): RuleTester should not require a parser (#713)

SimenB · bradzacher · commit 158a4179c099 · 2019-07-17T09:23:43.000-07:00
diff --git a/packages/experimental-utils/src/ts-eslint/RuleTester.ts b/packages/experimental-utils/src/ts-eslint/RuleTester.ts
@@ -46,7 +46,12 @@ interface RunTests<
   invalid: InvalidTestCase<TMessageIds, TOptions>[];
 }
 interface RuleTesterConfig {
-  parser: '@typescript-eslint/parser';
+  parser?:
+    | '@typescript-eslint/parser'
+    | 'espree'
+    | 'babel-eslint'
+    | 'esprima'
+    | string;
   parserOptions?: ParserOptions;
 }
 declare interface RuleTester {

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,12 @@ interface RunTests<`
`46`	`46`	`invalid: InvalidTestCase<TMessageIds, TOptions>[];`
`47`	`47`	`}`
`48`	`48`	`interface RuleTesterConfig {`
`49`		`- parser: '@typescript-eslint/parser';`
	`49`	`+ parser?:`
	`50`	`+ \| '@typescript-eslint/parser'`
	`51`	`+ \| 'espree'`
	`52`	`+ \| 'babel-eslint'`
	`53`	`+ \| 'esprima'`
	`54`	`+ \| string;`
`50`	`55`	`parserOptions?: ParserOptions;`
`51`	`56`	`}`
`52`	`57`	`declare interface RuleTester {`