Remove nullary callback

Planeshifter · Planeshifter · commit 35434c517b2f · 2020-12-15T19:52:31.000-05:00
diff --git a/lib/node_modules/@stdlib/fs/exists/docs/types/index.d.ts b/lib/node_modules/@stdlib/fs/exists/docs/types/index.d.ts
@@ -18,11 +18,6 @@
 
 // TypeScript Version: 2.0
 
-/**
-* Callback invoked after testing for path existence.
-*/
-type Nullary = () => void;
-
 /**
 * Callback invoked after testing for path existence.
 *
@@ -36,15 +31,15 @@ type Unary = ( bool: boolean ) => void;
 * @param err - error argument
 * @param bool - boolean indicating whether a path exists
 */
-type Binary = ( err: Error, bool: boolean ) => void;
+type Binary = ( err: Error | null, bool: boolean ) => void;
 
 /**
 * Callback invoked after testing for path existence.
 *
 * @param err - error argument
 * @param bool - boolean indicating whether a path exists
 */
-type Callback = Nullary | Unary | Binary;
+type Callback = Unary | Binary;
 
 /**
 * Interface for testing whether a path exists on the filesystem.
diff --git a/lib/node_modules/@stdlib/fs/exists/docs/types/test.ts b/lib/node_modules/@stdlib/fs/exists/docs/types/test.ts
@@ -18,7 +18,7 @@
 
 import exists = require( './index' );
 
-const done = ( error: Error, bool: boolean ) => {
+const done = ( error: Error | null, bool: boolean ) => {
 	if ( error || ( bool !== true && bool !== false ) ) {
 		throw error;
 	}

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@`
`18`	`18`
`19`	`19`	`import exists = require( './index' );`
`20`	`20`
`21`		`-const done = ( error: Error, bool: boolean ) => {`
	`21`	`+const done = ( error: Error \| null, bool: boolean ) => {`
`22`	`22`	`if ( error \|\| ( bool !== true && bool !== false ) ) {`
`23`	`23`	`throw error;`
`24`	`24`	`}`