fix: replace use of type guards with boolean return type

The type narrowing behavior of type guards makes only sense when the
runtime checks match the type guards. For example `value is string`
should be used with `typeof value === 'string'` and not with a function
that checks for whether a value is a snakecase string. In the latter
case, the type guard would incorrectly narrow the type of the value to
`never` for a string that is not snakecase.

Author: Planeshifter

lib/node_modules/@stdlib/assert/is-absolute-http-uri/docs/types/index.d.ts

@@ -48,7 +48,7 @@
 * var bool = isAbsoluteHttpURI( null );
 * // returns false
 */
-declare function isAbsoluteHttpURI( value: any ): value is string;
+declare function isAbsoluteHttpURI( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-absolute-path/docs/types/index.d.ts

@@ -39,7 +39,7 @@ interface IsAbsolutePath {
 	*     // returns true
 	* }
 	*/
-	( value: any ): value is string;
+	( value: any ): boolean;
 
 	/**
 	* Tests if a value is a POSIX absolute path.
@@ -55,7 +55,7 @@ interface IsAbsolutePath {
 	* var bool = isAbsolutePath.posix( 'foo/bar/baz' );
 	* // returns false
 	*/
-	posix( value: any ): value is string;
+	posix( value: any ): boolean;
 
 	/**
 	* Tests if a value is a Windows absolute path.
@@ -71,7 +71,7 @@ interface IsAbsolutePath {
 	* var bool = isAbsolutePath.win32( 'foo\\bar\\baz' );
 	* // returns false
 	*/
-	win32( value: any ): value is string;
+	win32( value: any ): boolean;
 }
 
 /**

lib/node_modules/@stdlib/assert/is-absolute-uri/docs/types/index.d.ts

@@ -44,7 +44,7 @@
 * var bool = isAbsoluteURI( null );
 * // returns false
 */
-declare function isAbsoluteURI( value: any ): value is string;
+declare function isAbsoluteURI( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-alphagram/docs/types/index.d.ts

@@ -48,7 +48,7 @@
 * var out = isAlphagram( 123 );
 * // returns false
 */
-declare function isAlphagram( value: any ): value is string;
+declare function isAlphagram( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-alphanumeric/docs/types/index.d.ts

@@ -44,7 +44,7 @@
 * var out = isAlphaNumeric( 123 );
 * // returns false
 */
-declare function isAlphaNumeric( value: any ): value is string;
+declare function isAlphaNumeric( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-ascii/docs/types/index.d.ts

@@ -40,7 +40,7 @@
 * var out = isASCII( 123 );
 * // returns false
 */
-declare function isASCII( value: any ): value is string;
+declare function isASCII( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-binary-string/docs/types/index.d.ts

@@ -36,7 +36,7 @@
 * var bool = isBinaryString( '' );
 * // returns false
 */
-declare function isBinaryString( value: any ): value is string;
+declare function isBinaryString( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-blank-string/docs/types/index.d.ts

@@ -44,7 +44,7 @@
 * var bool = isBlankString( 'beep' );
 * // returns false
 */
-declare function isBlankString( value: any ): value is string;
+declare function isBlankString( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-camelcase/docs/types/index.d.ts

@@ -40,7 +40,7 @@
 * var bool = isCamelcase( 'hello world' );
 * // returns false
 */
-declare function isCamelcase( value: any ): value is string;
+declare function isCamelcase( value: any ): boolean;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/assert/is-capitalized/docs/types/index.d.ts

@@ -40,7 +40,7 @@
 * var bool = isCapitalized( 'salt and light' );
 * // returns false
 */
-declare function isCapitalized( value: any ): value is string;
+declare function isCapitalized( value: any ): boolean;
 
 
 // EXPORTS //