Accurate Importer return type

Ayplow · Ayplow · commit 3488fe289910 · 2019-03-15T01:47:40.000Z
diff --git a/index.d.ts b/index.d.ts
@@ -73,7 +73,7 @@ declare module "node-sass" {
    * @param done a callback function to invoke on async completion, takes an object literal containing 
    * 
    */
-  type Importer = (url: string, prev: string, done: (data: ImporterReturn) => void) => ImporterReturn
+  type Importer = (url: string, prev: string, done: (data: ImporterReturn) => void) => ImporterReturn | null | never
   type ImporterReturn = { file: string } | { contents: string } | Error | null
   
   type RenderOptions = Partial<{

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ declare module "node-sass" {`
`73`	`73`	`* @param done a callback function to invoke on async completion, takes an object literal containing`
`74`	`74`	`*`
`75`	`75`	`*/`
`76`		`- type Importer = (url: string, prev: string, done: (data: ImporterReturn) => void) => ImporterReturn`
	`76`	`+ type Importer = (url: string, prev: string, done: (data: ImporterReturn) => void) => ImporterReturn \| null \| never`
`77`	`77`	`type ImporterReturn = { file: string } \| { contents: string } \| Error \| null`
`78`	`78`
`79`	`79`	`type RenderOptions = Partial<{`