refactor: fix function jsdoc

Signed-off-by: Snehil Shah <snehilshah.989@gmail.com>

Author: Snehil-Shah

lib/node_modules/@stdlib/repl/lib/filter_by_prefix.js

@@ -30,13 +30,10 @@ var abs = require( '@stdlib/math/base/special/abs' );
 /**
 * Checks if the completion is a fuzzy match for the input.
 *
-* A fuzzy match is determined by the number and order of matching characters, penalizing large distances between matches.
-* A score above or equal to 0.8 indicates a match.
-*
 * @private
-* @param {string} completion - The completion string.
-* @param {string} input - The input string.
-* @returns {boolean} - True if the completion is a fuzzy match for the input, false otherwise.
+* @param {string} completion - completion string
+* @param {string} input - input string
+* @returns {boolean} - boolean indicating if a completion is a fuzzy match for the input string
 */
 function fuzzyMatch( completion, input ) {
 	var charPositions;
@@ -49,44 +46,54 @@ function fuzzyMatch( completion, input ) {
 	var i;
 	var j;
 
+	// Return true for perfect prefix
 	if ( startsWith( completion, input ) ) {
-		return true; // Return true for perfect matches
+		return true;
 	}
 
-	// Preprocess the completion string to get the positions of each character
-	positions = {};
-	for ( i = 0; i < completion.length; i++ ) {
-		char = completion[ i ];
-		if (!positions[ char ]) {
-			positions[ char] = [];
+	if ( completion.length >= input.length ) {
+		// Preprocess the completion string to get the positions of each character
+		positions = {};
+		for ( i = 0; i < completion.length; i++ ) {
+			char = completion[ i ];
+			if (!positions[ char ]) {
+				positions[ char] = [];
+			}
+			positions[ char ].push( i );
 		}
-		positions[ char ].push( i );
-	}
 
-	score = 0;
-	index = 0;
-	for ( i = 0; i < input.length; i++ ) {
-		charPositions = positions[ input[ i ] ];
-		if ( !charPositions ) {
-			continue;
+		score = 0;
+		index = 0;
+		for ( i = 0; i < input.length; i++ ) {
+			charPositions = positions[ input[ i ] ];
+			if ( !charPositions ) {
+				continue;
+			}
+
+			// Find the next position of the character that is greater than or equal to index
+			j = 0;
+			while ( j < charPositions.length && charPositions[ j ] < index ) {
+				j += 1;
+			}
+			if ( j === charPositions.length ) {
+				continue;
+			}
+
+			// Subtract a penalty based on the distance between matching characters
+			distance = abs( charPositions[ j ] - i );
+			score += max( 0, 1 - ( distance * 0.25 ) );
+			index = charPositions[ j ] + 1;
 		}
 
-		// Find the next position of the character that is greater than or equal to index
-		j = 0;
-		while ( j < charPositions.length && charPositions[ j ] < index ) {
-			j += 1;
-		}
-		if ( j === charPositions.length ) {
-			continue;
-		}
+		// Calculate relative score
+		finalScore = score / input.length;
 
-		distance = abs( charPositions[ j ] - i );
-		score += max( 0, 1 - ( distance * 0.25 ) ); // Subtract a penalty based on the distance between matching characters
-		index = charPositions[ j ] + 1;
+		// A score above or equal to 0.7 indicates a match
+		return finalScore >= 0.7;
 	}
-	finalScore = score / input.length; // Calculate relative score
 
-	return finalScore >= 0.65;
+	// Return false for completions smaller than the input
+	return false;
 }