chore: use recommended restrict-plus-operands

.eslintrc.js

@@ -41,7 +41,6 @@ module.exports = defineConfig({
     '@typescript-eslint/no-unsafe-call': 'off',
     '@typescript-eslint/no-unsafe-member-access': 'off',
     '@typescript-eslint/no-unsafe-return': 'warn',
-    '@typescript-eslint/restrict-plus-operands': 'warn',
     '@typescript-eslint/restrict-template-expressions': [
       'error',
       {

scripts/apidoc.ts

@@ -232,7 +232,7 @@ async function build(): Promise<void> {
           .map((tag) => tag.text.trimEnd()) || [];
 
       if (examples.length !== 0) {
-        console.log('Example-Length: ' + examples);
+        console.log('Example-Length:', examples);
         content += examples.join('\n') + '\n';
       }
 

src/commerce.ts

@@ -64,7 +64,7 @@ export class Commerce {
     symbol: string = ''
   ): string {
     if (min < 0 || max < 0) {
-      return symbol + 0.0;
+      return `${symbol}${0.0}`;
     }
 
     const randValue = this.faker.datatype.number({ max: max, min: min });

src/finance.ts

@@ -64,7 +64,7 @@ export class Finance {
       sum += Number(routingNumber[i + 2]) || 0;
     }
 
-    return routingNumber + (Math.ceil(sum / 10) * 10 - sum);
+    return `${routingNumber}${Math.ceil(sum / 10) * 10 - sum}`;
   }
 
   /**
@@ -293,7 +293,12 @@ export class Finance {
    * @method faker.finance.iban
    */
   iban(formatted: boolean = false, countryCode: string): string {
-    let ibanFormat;
+    let ibanFormat: {
+      bban: Array<{ type: string; count: number }>;
+      country: string;
+      total?: number;
+      format?: string;
+    };
     if (countryCode) {
       const findFormat = (currentFormat) =>
         currentFormat.country === countryCode;
@@ -341,12 +346,12 @@ export class Finance {
     let checksum: string | number =
       98 -
       this.ibanLib.mod97(
-        this.ibanLib.toDigitString(s + ibanFormat.country + '00')
+        this.ibanLib.toDigitString(`${s}${ibanFormat.country}00`)
       );
     if (checksum < 10) {
-      checksum = '0' + checksum;
+      checksum = `0${checksum}`;
     }
-    const iban = ibanFormat.country + checksum + s;
+    const iban = `${ibanFormat.country}${checksum}${s}`;
     return formatted ? iban.match(/.{1,4}/g).join(' ') : iban;
   }
 

src/image.ts

@@ -87,13 +87,13 @@ export class Image {
     if (typeof https !== 'undefined' && https === true) {
       protocol = 'https://';
     }
-    let url = protocol + 'placeimg.com/' + width + '/' + height;
+    let url = `${protocol}placeimg.com/${width}/${height}`;
     if (typeof category !== 'undefined') {
       url += '/' + category;
     }
 
     if (randomize) {
-      url += '?' + this.faker.datatype.number();
+      url += `?${this.faker.datatype.number()}`;
     }
 
     return url;
@@ -264,22 +264,11 @@ export class Image {
    * @param color
    */
   dataUri(width?: number, height?: number, color: string = 'grey'): string {
-    const svgString =
-      '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" baseProfile="full" width="' +
-      width +
-      '" height="' +
-      height +
-      '"><rect width="100%" height="100%" fill="' +
-      color +
-      '"/><text x="' +
-      width / 2 +
-      '" y="' +
-      height / 2 +
-      '" font-size="20" alignment-baseline="middle" text-anchor="middle" fill="white">' +
-      width +
-      'x' +
-      height +
-      '</text></svg>';
+    const svgString = `<svg xmlns="http://www.w3.org/2000/svg" version="1.1" baseProfile="full" width="${width}" height="${height}"><rect width="100%" height="100%" fill="${color}"/><text x="${
+      width / 2
+    }" y="${
+      height / 2
+    }" font-size="20" alignment-baseline="middle" text-anchor="middle" fill="white">${width}x${height}</text></svg>`;
     const rawPrefix = 'data:image/svg+xml;charset=UTF-8,';
     return rawPrefix + encodeURIComponent(svgString);
   }

src/image_providers/lorempicsum.ts

@@ -108,18 +108,18 @@ export class LoremPicsum {
       url += '/seed/' + seed;
     }
 
-    url += '/' + width + '/' + height;
+    url += `/${width}/${height}`;
 
     if (grayscale && blur) {
-      return url + '?grayscale' + '&blur=' + blur;
+      return `${url}?grayscale&blur=${blur}`;
     }
 
     if (grayscale) {
       return url + '?grayscale';
     }
 
     if (blur) {
-      return url + '?blur=' + blur;
+      return `${url}?blur=${blur}`;
     }
 
     return url;

src/image_providers/lorempixel.ts

@@ -61,13 +61,13 @@ export class Lorempixel {
     width ||= 640;
     height ||= 480;
 
-    let url = 'https://lorempixel.com/' + width + '/' + height;
+    let url = `https://lorempixel.com/${width}/${height}`;
     if (typeof category !== 'undefined') {
       url += '/' + category;
     }
 
     if (randomize) {
-      url += '?' + this.faker.datatype.number();
+      url += `?${this.faker.datatype.number()}`;
     }
 
     return url;

src/image_providers/unsplash.ts

@@ -58,7 +58,7 @@ export class Unsplash {
       url += '/category/' + category;
     }
 
-    url += '/' + width + 'x' + height;
+    url += `/${width}x${height}`;
 
     if (typeof keyword !== 'undefined') {
       const keywordFormat = new RegExp(

src/internet.ts

@@ -185,11 +185,9 @@ export class Internet {
    * @method faker.internet.avatar
    */
   avatar(): string {
-    return (
-      'https://cloudflare-ipfs.com/ipfs/Qmd3W5DuhgHirLHGVixi6V76LhCkZUz6pnFt5AJBiyvHye/avatar/' +
-      this.faker.datatype.number(1249) +
-      '.jpg'
-    );
+    return `https://cloudflare-ipfs.com/ipfs/Qmd3W5DuhgHirLHGVixi6V76LhCkZUz6pnFt5AJBiyvHye/avatar/${this.faker.datatype.number(
+      1249
+    )}.jpg`;
   }
 
   /**
@@ -240,18 +238,17 @@ export class Internet {
     lastName ||= this.faker.name.lastName();
     switch (this.faker.datatype.number(2)) {
       case 0:
-        result = firstName + this.faker.datatype.number(99);
+        result = `${firstName}${this.faker.datatype.number(99)}`;
         break;
       case 1:
         result =
           firstName + this.faker.random.arrayElement(['.', '_']) + lastName;
         break;
       case 2:
-        result =
-          firstName +
-          this.faker.random.arrayElement(['.', '_']) +
-          lastName +
-          this.faker.datatype.number(99);
+        result = `${firstName}${this.faker.random.arrayElement([
+          '.',
+          '_',
+        ])}${lastName}${this.faker.datatype.number(99)}`;
         break;
     }
     result = result.toString().replace(/'/g, '');

src/lorem.ts

@@ -149,7 +149,7 @@ export class Lorem {
       'lorem.lines',
     ];
     const randomLoremMethod = this.faker.random.arrayElement(loremMethods);
-    return this.faker.fake('{{' + randomLoremMethod + '}}');
+    return this.faker.fake(`{{${randomLoremMethod}}}`);
   }
 
   /**

src/vehicle.ts

@@ -76,16 +76,15 @@ export class Vehicle {
    */
   vin(): string {
     const bannedChars = ['o', 'i', 'q'];
-    return (
-      this.faker.random.alphaNumeric(10, { bannedChars: bannedChars }) +
-      this.faker.random.alpha({
-        count: 1,
-        upcase: true,
-        bannedChars: bannedChars,
-      }) +
-      this.faker.random.alphaNumeric(1, { bannedChars: bannedChars }) +
-      this.faker.datatype.number({ min: 10000, max: 100000 })
-    ) // return five digit #
+    return `${this.faker.random.alphaNumeric(10, {
+      bannedChars,
+    })}${this.faker.random.alpha({
+      count: 1,
+      upcase: true,
+      bannedChars,
+    })}${this.faker.random.alphaNumeric(1, {
+      bannedChars,
+    })}${this.faker.datatype.number({ min: 10000, max: 100000 })}` // return five digit #
       .toUpperCase();
   }
 
@@ -106,12 +105,16 @@ export class Vehicle {
    * faker.vehicle.vrm() // 'MF56UPA'
    */
   vrm(): string {
-    return (
-      this.faker.random.alpha({ count: 2, upcase: true }) +
-      this.faker.datatype.number({ min: 0, max: 9 }) +
-      this.faker.datatype.number({ min: 0, max: 9 }) +
-      this.faker.random.alpha({ count: 3, upcase: true })
-    ).toUpperCase();
+    return `${this.faker.random.alpha({
+      count: 2,
+      upcase: true,
+    })}${this.faker.datatype.number({
+      min: 0,
+      max: 9,
+    })}${this.faker.datatype.number({
+      min: 0,
+      max: 9,
+    })}${this.faker.random.alpha({ count: 3, upcase: true })}`.toUpperCase();
   }
 
   /**

src/vendor/mersenne.ts

@@ -193,7 +193,7 @@ function MersenneTwister19937(): void {
 
   /* generates a random number on [0,0xffffffff]-interval */
   //c//unsigned long genrand_int32(void)
-  this.genrand_int32 = function () {
+  this.genrand_int32 = function (): number {
     //c//unsigned long y;
     //c//static unsigned long mag01[2]={0x0UL, MATRIX_A};
     let y: number;
@@ -271,7 +271,8 @@ function MersenneTwister19937(): void {
   //c//double genrand_real3(void)
   this.genrand_real3 = function (): number {
     //c//return ((genrand_int32()) + 0.5)*(1.0/4294967296.0);
-    return (this.genrand_int32() + 0.5) * (1.0 / 4294967296.0);
+    // TODO @Shinigami92 2022-01-30: Rewrite this file to a class
+    return ((this.genrand_int32() as number) + 0.5) * (1.0 / 4294967296.0);
     /* divided by 2^32 */
   };
 

src/vendor/unique.ts

@@ -87,7 +87,7 @@ export function exec<Method extends (args: Args) => string, Args extends any[]>(
   if (now - startTime >= opts.maxTime) {
     return errorMessage(
       now,
-      'Exceeded maxTime:' + opts.maxTime,
+      `Exceeded maxTime: ${opts.maxTime}`,
       // @ts-expect-error: we know that opts.startTime is defined
       opts
     );
@@ -96,7 +96,7 @@ export function exec<Method extends (args: Args) => string, Args extends any[]>(
   if (opts.currentIterations >= opts.maxRetries) {
     return errorMessage(
       now,
-      'Exceeded maxRetries:' + opts.maxRetries,
+      `Exceeded maxRetries: ${opts.maxRetries}`,
       // @ts-expect-error: we know that opts.startTime is defined
       opts
     );