impr: floor accuracy intead of rounding when not showing decimal places (fehmer) (#5120)

* impr: floor accuracy intead of rounding when not showing decimal places

* add method to format accuracy

---------

Co-authored-by: Jack <jack@monkeytype.com>

frontend/__tests__/utils/format.spec.ts

@@ -86,7 +86,15 @@ describe("format.ts", () => {
       expect(format.typingSpeed(null, { suffix: " raw" })).toEqual("-");
       expect(format.typingSpeed(undefined, { suffix: " raw" })).toEqual("-");
     });
+
+    it("should format with rounding", () => {
+      const format = getInstance({ alwaysShowDecimalPlaces: false });
+      expect(format.typingSpeed(80.25)).toEqual("80");
+      expect(format.typingSpeed(80.25, { rounding: Math.ceil })).toEqual("81");
+      expect(format.typingSpeed(80.75, { rounding: Math.floor })).toEqual("80");
+    });
   });
+
   describe("percentage", () => {
     it("should format with decimalPlaces from configuration", () => {
       //no decimals
@@ -138,7 +146,33 @@ describe("format.ts", () => {
       expect(format.percentage(null, { suffix: " raw" })).toEqual("-");
       expect(format.percentage(undefined, { suffix: " raw" })).toEqual("-");
     });
+
+    it("should format with rounding", () => {
+      const format = getInstance({ alwaysShowDecimalPlaces: false });
+      expect(format.percentage(80.25)).toEqual("80%");
+      expect(format.percentage(80.25, { rounding: Math.ceil })).toEqual("81%");
+      expect(format.percentage(80.75, { rounding: Math.floor })).toEqual("80%");
+    });
   });
+
+  describe("accuracy", () => {
+    it("should floor decimals by default", () => {
+      //no decimals
+      const noDecimals = getInstance({ alwaysShowDecimalPlaces: false });
+      expect(noDecimals.accuracy(12.75)).toEqual("12%");
+      //with decimals
+      const withDecimals = getInstance({ alwaysShowDecimalPlaces: true });
+      expect(withDecimals.accuracy(12.75)).toEqual("12.75%");
+    });
+
+    it("should format with rounding", () => {
+      const format = getInstance({ alwaysShowDecimalPlaces: false });
+      expect(format.accuracy(80.5)).toEqual("80%");
+      expect(format.accuracy(80.25, { rounding: Math.ceil })).toEqual("81%");
+      expect(format.accuracy(80.75, { rounding: Math.floor })).toEqual("80%");
+    });
+  });
+
   describe("decimals", () => {
     it("should format with decimalPlaces from configuration", () => {
       //no decimals
@@ -188,6 +222,13 @@ describe("format.ts", () => {
       expect(format.decimals(null, { suffix: " raw" })).toEqual("-");
       expect(format.decimals(undefined, { suffix: " raw" })).toEqual("-");
     });
+
+    it("should format with rounding", () => {
+      const format = getInstance({ alwaysShowDecimalPlaces: false });
+      expect(format.decimals(80.25)).toEqual("80");
+      expect(format.decimals(80.25, { rounding: Math.ceil })).toEqual("81");
+      expect(format.decimals(80.75, { rounding: Math.floor })).toEqual("80");
+    });
   });
 });
 

frontend/src/ts/account/pb-tables.ts

@@ -154,7 +154,7 @@ function buildPbHtml(
       <div class="wpm">${Format.typingSpeed(pbData.wpm, {
         showDecimalPlaces: false,
       })}</div>
-      <div class="acc">${Format.percentage(pbData.acc, {
+      <div class="acc">${Format.accuracy(pbData.acc, {
         showDecimalPlaces: false,
       })}</div>
     </div>
@@ -164,10 +164,8 @@ function buildPbHtml(
         suffix: ` ${speedUnit}`,
       })}</div>
       <div>${Format.typingSpeed(pbData.raw, { suffix: " raw" })}</div>
-      <div>${Format.percentage(pbData.acc, { suffix: " acc" })}</div>
-      <div>${Format.percentage(pbData.consistency, {
-        suffix: " con",
-      })}</div>
+      <div>${Format.accuracy(pbData.acc, { suffix: " acc" })}</div>
+      <div>${Format.percentage(pbData.consistency, { suffix: " con" })}</div>
       <div>${dateText}</div>
     </div>`;
   } catch (e) {

frontend/src/ts/elements/modes-notice.ts

@@ -144,13 +144,8 @@ export async function update(): Promise<void> {
   }
 
   if (Config.showAverage !== "off") {
-    let avgWPM = Last10Average.getWPM();
-    let avgAcc = Last10Average.getAcc();
-
-    if (!Config.alwaysShowDecimalPlaces) {
-      avgWPM = Math.round(avgWPM);
-      avgAcc = Math.round(avgAcc);
-    }
+    const avgWPM = Last10Average.getWPM();
+    const avgAcc = Last10Average.getAcc();
 
     if (isAuthenticated() && avgWPM > 0) {
       const avgWPMText = ["speed", "both"].includes(Config.showAverage)
@@ -158,7 +153,7 @@ export async function update(): Promise<void> {
         : "";
 
       const avgAccText = ["acc", "both"].includes(Config.showAverage)
-        ? Format.percentage(avgAcc, { suffix: " acc" })
+        ? Format.accuracy(avgAcc, { suffix: " acc" })
         : "";
 
       const text = `${avgWPMText} ${avgAccText}`.trim();

frontend/src/ts/pages/account.ts

@@ -881,9 +881,9 @@ async function fillContent(): Promise<void> {
   $(".pageAccount .highestWpm .mode").html(topMode);
   $(".pageAccount .testsTaken .val").text(testCount);
 
-  $(".pageAccount .highestAcc .val").text(Format.percentage(topAcc));
-  $(".pageAccount .avgAcc .val").text(Format.percentage(totalAcc / testCount));
-  $(".pageAccount .avgAcc10 .val").text(Format.percentage(totalAcc10 / last10));
+  $(".pageAccount .highestAcc .val").text(Format.accuracy(topAcc));
+  $(".pageAccount .avgAcc .val").text(Format.accuracy(totalAcc / testCount));
+  $(".pageAccount .avgAcc10 .val").text(Format.accuracy(totalAcc10 / last10));
 
   if (totalCons === 0 || totalCons === undefined) {
     $(".pageAccount .avgCons .val").text("-");

frontend/src/ts/popups/pb-tables-popup.ts

@@ -63,7 +63,7 @@ function update(mode: SharedTypes.Config.Mode): void {
         <td>
           ${Format.typingSpeed(pb.wpm)}
           <br />
-          <span class="sub">${Format.percentage(pb.acc)}</span>
+          <span class="sub">${Format.accuracy(pb.acc)}</span>
         </td>
         <td>
           ${Format.typingSpeed(pb.raw)}

frontend/src/ts/test/result.ts

@@ -229,7 +229,7 @@ function updateWpmAndAcc(): void {
   }
   $("#result .stats .raw .bottom").text(Format.typingSpeed(result.rawWpm));
   $("#result .stats .acc .bottom").text(
-    result.acc === 100 ? "100%" : Format.percentage(result.acc)
+    result.acc === 100 ? "100%" : Format.accuracy(result.acc)
   );
 
   if (Config.alwaysShowDecimalPlaces) {

frontend/src/ts/utils/format.ts

@@ -6,12 +6,14 @@ export type FormatOptions = {
   showDecimalPlaces?: boolean;
   suffix?: string;
   fallback?: string;
+  rounding?: (val: number) => number;
 };
 
 const FORMAT_DEFAULT_OPTIONS: FormatOptions = {
   suffix: "",
   fallback: "-",
   showDecimalPlaces: undefined,
+  rounding: Math.round,
 };
 
 export class Formatting {
@@ -19,7 +21,7 @@ export class Formatting {
 
   typingSpeed(
     wpm: number | null | undefined,
-    formatOptions: FormatOptions = FORMAT_DEFAULT_OPTIONS
+    formatOptions: FormatOptions = {}
   ): string {
     const options = { ...FORMAT_DEFAULT_OPTIONS, ...formatOptions };
     if (wpm === undefined || wpm === null) return options.fallback ?? "";
@@ -28,6 +30,7 @@ export class Formatting {
 
     return this.number(result, options);
   }
+
   percentage(
     percentage: number | null | undefined,
     formatOptions: FormatOptions = {}
@@ -38,6 +41,16 @@ export class Formatting {
     return this.number(percentage, options);
   }
 
+  accuracy(
+    accuracy: number | null | undefined,
+    formatOptions: FormatOptions = {}
+  ): string {
+    return this.percentage(accuracy, {
+      rounding: Math.floor,
+      ...formatOptions,
+    });
+  }
+
   decimals(
     value: number | null | undefined,
     formatOptions: FormatOptions = {}
@@ -45,6 +58,7 @@ export class Formatting {
     const options = { ...FORMAT_DEFAULT_OPTIONS, ...formatOptions };
     return this.number(value, options);
   }
+
   private number(
     value: number | null | undefined,
     formatOptions: FormatOptions
@@ -60,7 +74,7 @@ export class Formatting {
     ) {
       return Misc.roundTo2(value).toFixed(2) + suffix;
     }
-    return Math.round(value).toString() + suffix;
+    return (formatOptions.rounding ?? Math.round)(value).toString() + suffix;
   }
 }