style: format code with Prettier

This commit fixes the style issues introduced in 92bae0e according to the output
from Prettier.

Details: None

src/utils.ts

@@ -8,7 +8,7 @@
 export function weightedAverage(values: number[], weights?: number[]): number {
   if (weights && values.length !== weights.length) {
     throw new Error(
-      "The number of values must be equal to the number of weights"
+      "The number of values must be equal to the number of weights",
     );
   }
 

test/pico.spec.ts

@@ -30,7 +30,7 @@ describe("splitWordsAndRank", () => {
       const result = picoSearch(
         [{ name: shouldNotWork }, { name: shouldWork }],
         searchTerm,
-        ["name"]
+        ["name"],
       );
 
       const names = result.map((r) => r.name);
@@ -85,7 +85,7 @@ describe("picoSearch: jaroWinkler [default]", () => {
     expect(
       picoSearch(objects, "ohn", ["name"], {
         threshold: 0.7,
-      })
+      }),
     ).toMatchObject([
       { age: 25, city: "New York", name: "John Doe" },
       { age: 85, city: "Seattle", name: "John Smith" },