Add linting

.gitignore

@@ -10,4 +10,7 @@ src/**/*.d.ts
 .vscode
 coverage
 package-lock.json
-yarn.lock
+yarn.lock
+.npmrc
+.nvmrc
+.yvmrc

.travis.yml

@@ -9,8 +9,13 @@ services:
   - xvfb
 
 cache:
-  yarn: true
+  npm: true
   directories:
     - node_modules
 
+script:
+  - npm run lint
+  - npm run build
+  - npm run test
+
 after_success: npm run cover

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 10.1.0
+
+- Add linting [#98](https://github.com/fknop/angular-pipes/pull/98)
+
 # 10.0.0
 
 - Added a module for each pipe [#97](https://github.com/fknop/angular-pipes/pull/97)

package.json

@@ -1,15 +1,17 @@
 {
+  "$schema": "./node_modules/ng-packagr/package.schema.json",
   "name": "angular-pipes",
-  "version": "10.0.0",
+  "version": "10.1.0",
   "description": "Angular pipes library",
   "scripts": {
     "cover": "cat ./coverage/*/lcovonly | ./node_modules/.bin/coveralls",
     "karma": "node_modules/.bin/karma start karma.conf.js",
-    "pretty": "prettier --check '**/*.{ts,scss,js,json,yml,md,html}'",
-    "pretty:write": "yarn pretty --write",
-    "packagr": "ng-packagr -p package.json",
+    "build": "ng-packagr -p package.json",
     "publish-dist": "npm publish dist",
-    "test": "npm run karma"
+    "test": "yarn karma",
+    "lint": "run-p lint:*",
+    "lint:ts": "tslint --project tsconfig.json --config tslint.json --format stylish",
+    "lint:pretty": "prettier --check '**/*.{ts,scss,js,json,yml,md,html}'"
   },
   "author": "Florian Knop",
   "repository": {
@@ -27,16 +29,18 @@
     "library"
   ],
   "license": "MIT",
+  "dependencies": {},
   "devDependencies": {
-    "@angular/animations": "^8.1.3",
-    "@angular/common": "^8.1.3",
-    "@angular/compiler": "^8.1.3",
-    "@angular/compiler-cli": "^8.1.3",
-    "@angular/core": "^8.1.3",
-    "@angular/platform-browser": "^8.1.3",
-    "@angular/platform-browser-dynamic": "^8.1.3",
-    "@angular/platform-server": "^8.1.3",
-    "@types/jasmine": "^3.3.16",
+    "@angular/animations": "^8.2.10",
+    "@angular/common": "^8.2.10",
+    "@angular/compiler": "^8.2.10",
+    "@angular/compiler-cli": "^8.2.10",
+    "@angular/core": "^8.2.10",
+    "@angular/platform-browser": "^8.2.10",
+    "@angular/platform-browser-dynamic": "^8.2.10",
+    "@angular/platform-server": "^8.2.10",
+    "@types/jasmine": "^3.4.0",
+    "codelyzer": "^5.1.2",
     "core-js": "^3.1.4",
     "coveralls": "^3.0.5",
     "jasmine-core": "^3.4.0",
@@ -45,22 +49,24 @@
     "karma-jasmine": "^2.0.1",
     "karma-spec-reporter": "0.0.32",
     "karma-typescript": "^4.1.1",
-    "ng-packagr": "^5.4.3",
+    "ng-packagr": "^5.6.1",
+    "npm-run-all": "^4.1.5",
     "prettier": "^1.18.2",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^6.5.2",
-    "tsickle": "^0.36.0",
+    "tsickle": "^0.37.0",
     "tslib": "^1.10.0",
+    "tslint": "^5.20.0",
+    "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-sonarts": "^1.9.0",
     "typescript": "3.5.3",
     "zone.js": "~0.9.1"
   },
-  "dependencies": {},
   "prettier": {
     "printWidth": 120,
     "singleQuote": true,
     "trailingComma": "es5"
   },
-  "$schema": "./node_modules/ng-packagr/package.schema.json",
   "ngPackage": {
     "lib": {
       "entryFile": "src/public_api.ts"

src/aggregate/group-by.pipe.ts

@@ -5,12 +5,12 @@ import { getProperty, isArray, isUndefined } from '../utils/utils';
   name: 'groupBy',
 })
 export class GroupByPipe implements PipeTransform {
-  transform(input: any, prop: string): Array<any> {
+  transform(input: any, prop: string): any[] {
     if (!isArray(input)) {
       return input;
     }
 
-    const arr: { [key: string]: Array<any> } = {};
+    const arr: { [key: string]: any[] } = {};
 
     for (const value of input) {
       const field: any = getProperty(value, prop);

src/array/chunk.pipe.ts

@@ -5,7 +5,7 @@ import { isArray } from '../utils/utils';
   name: 'chunk',
 })
 export class ChunkPipe implements PipeTransform {
-  transform(input: any, size: number = 1): any {
+  transform(input: any, size = 1): any {
     if (!isArray(input)) {
       return input;
     }

src/array/first-or-default.pipe.ts

@@ -18,7 +18,7 @@ export class FirstOrDefaultPipe implements PipeTransform {
       result = input[i];
     }
 
-    if (typeof result === 'undefined' && typeof defaultValue !== 'undefined') {
+    if (result == undefined && defaultValue != undefined) {
       result = defaultValue;
     }
 
@@ -31,15 +31,17 @@ export class FirstOrDefaultPipe implements PipeTransform {
     }
 
     if (isFunction(predicate)) {
-      return FirstOrDefaultPipe.find(input, <CollectionPredicate>predicate, defaultValue);
-    } else if (isArray(predicate)) {
-      const [key, value] = <string[]>predicate;
+      return FirstOrDefaultPipe.find(input, predicate as CollectionPredicate, defaultValue);
+    }
+    if (isArray(predicate)) {
+      const [key, value] = predicate as string[];
       return FirstOrDefaultPipe.find(input, (item: any) => getProperty(item, key) === value, defaultValue);
-    } else if (predicate) {
-      return FirstOrDefaultPipe.find(input, item => item === <any>predicate, defaultValue);
-    } else {
-      return input;
     }
+    if (predicate) {
+      return FirstOrDefaultPipe.find(input, item => item === predicate, defaultValue);
+    }
+
+    return input;
   }
 }
 

src/array/join.pipe.ts

@@ -5,7 +5,7 @@ import { isArray } from '../utils/utils';
   name: 'join',
 })
 export class JoinPipe implements PipeTransform {
-  transform(input: any, character: string = ''): any {
+  transform(input: any, character = ''): any {
     if (!isArray(input)) {
       return input;
     }

src/array/order-by.pipe.ts

@@ -1,3 +1,4 @@
+// tslint:disable:cognitive-complexity
 import { Pipe, PipeTransform, NgModule } from '@angular/core';
 import { isArray } from '../utils/utils';
 
@@ -41,35 +42,35 @@ export class OrderByPipe implements PipeTransform {
           const comparator = OrderByPipe._orderBy(a, b);
           return desc ? -comparator : comparator;
         });
-      } else {
-        // If contains + or -, substring the property
-        const property = first === '+' || desc ? propertyToCheck.substr(1) : propertyToCheck;
-
-        return [...input].sort((a: any, b: any) => {
-          const comparator = OrderByPipe._orderBy(a[property], b[property]);
-          return desc ? -comparator : comparator;
-        });
       }
-    } else {
-      // Config is an array of property
+
+      // If contains + or -, substring the property
+      const property = first === '+' || desc ? propertyToCheck.substr(1) : propertyToCheck;
 
       return [...input].sort((a: any, b: any) => {
-        for (let i: number = 0; i < config.length; ++i) {
-          const first = config[i].substr(0, 1);
-          const desc = first === '-';
-          const property = first === '+' || desc ? config[i].substr(1) : config[i];
+        const comparator = OrderByPipe._orderBy(a[property], b[property]);
+        return desc ? -comparator : comparator;
+      });
+    }
+
+    // Config is an array of property
+
+    return [...input].sort((a: any, b: any) => {
+      for (const conf of config) {
+        const first = conf.substr(0, 1);
+        const desc = first === '-';
+        const property = first === '+' || desc ? conf.substr(1) : conf;
 
-          const comparator = OrderByPipe._orderBy(a[property], b[property]);
-          const comparison = desc ? -comparator : comparator;
+        const comparator = OrderByPipe._orderBy(a[property], b[property]);
+        const comparison = desc ? -comparator : comparator;
 
-          if (comparison !== 0) {
-            return comparison;
-          }
+        if (comparison !== 0) {
+          return comparison;
         }
+      }
 
-        return 0;
-      });
-    }
+      return 0;
+    });
   }
 }
 

src/array/range.pipe.ts

@@ -4,11 +4,12 @@ import { Pipe, PipeTransform, NgModule } from '@angular/core';
   name: 'range',
 })
 export class RangePipe implements PipeTransform {
-  transform(_input: any, size: number = 0, start: number = 1, step: number = 1): any {
+  transform(_input: any, size = 0, start = 1, step = 1): any {
     const range: number[] = [];
+    let _start = start;
     for (let length = 0; length < size; ++length) {
-      range.push(start);
-      start += step;
+      range.push(_start);
+      _start += step;
     }
 
     return range;

src/array/where.pipe.ts

@@ -15,14 +15,16 @@ export class WherePipe implements PipeTransform {
 
     if (isFunction(fn)) {
       return input.filter(fn);
-    } else if (isArray(fn)) {
+    }
+    if (isArray(fn)) {
       const [key, value] = fn;
       return input.filter((item: any) => getProperty(item, key) === value);
-    } else if (fn) {
+    }
+    if (fn) {
       return input.filter((item: any) => item === fn);
-    } else {
-      return input;
     }
+
+    return input;
   }
 }
 

src/math/bytes.pipe.ts

@@ -16,7 +16,16 @@ export class BytesPipe implements PipeTransform {
     TB: { max: Number.MAX_SAFE_INTEGER, prev: 'GB' },
   };
 
-  transform(input: any, decimal: number = 0, from: ByteUnit = 'B', to?: ByteUnit): any {
+  static formatResult(result: number, unit: string): string {
+    return `${result} ${unit}`;
+  }
+
+  static calculateResult(format: { max: number; prev?: ByteUnit }, bytes: number) {
+    const prev = format.prev ? BytesPipe.formats[format.prev] : undefined;
+    return prev ? bytes / prev.max : bytes;
+  }
+
+  transform(input: any, decimal = 0, from: ByteUnit = 'B', to?: ByteUnit): any {
     if (!(isNumberFinite(input) && isNumberFinite(decimal) && isInteger(decimal) && isPositive(decimal))) {
       return input;
     }
@@ -25,7 +34,7 @@ export class BytesPipe implements PipeTransform {
     let unit = from;
     while (unit !== 'B') {
       bytes *= 1024;
-      unit = BytesPipe.formats[unit].prev!;
+      unit = BytesPipe.formats[unit].prev;
     }
 
     if (to) {
@@ -47,15 +56,6 @@ export class BytesPipe implements PipeTransform {
       }
     }
   }
-
-  static formatResult(result: number, unit: string): string {
-    return `${result} ${unit}`;
-  }
-
-  static calculateResult(format: { max: number; prev?: ByteUnit }, bytes: number) {
-    const prev = format.prev ? BytesPipe.formats[format.prev] : undefined;
-    return prev ? bytes / prev.max : bytes;
-  }
 }
 
 @NgModule({

src/math/ceil.pipe.ts

@@ -5,12 +5,13 @@ import { createRound, isString } from '../utils/utils';
   name: 'ceil',
 })
 export class CeilPipe implements PipeTransform {
-  transform(value: any, precision: any = 0): any {
-    if (isString(precision)) {
-      precision = parseInt(precision);
+  transform(value: any, precision: any = 0, radix = 10): any {
+    let _precision = precision;
+    if (isString(_precision)) {
+      _precision = parseInt(_precision, radix);
     }
 
-    return createRound('ceil')(value, precision);
+    return createRound('ceil')(value, _precision);
   }
 }
 

src/math/floor.pipe.ts

@@ -5,12 +5,13 @@ import { createRound, isString } from '../utils/utils';
   name: 'floor',
 })
 export class FloorPipe implements PipeTransform {
-  transform(value: any, precision: any = 0): any {
-    if (isString(precision)) {
-      precision = parseInt(precision);
+  transform(value: any, precision: any = 0, radix = 10): any {
+    let _precision = precision;
+    if (isString(_precision)) {
+      _precision = parseInt(_precision, radix);
     }
 
-    return createRound('floor')(value, precision);
+    return createRound('floor')(value, _precision);
   }
 }
 

src/math/ordinal.pipe.ts

@@ -11,20 +11,20 @@ export class OrdinalPipe implements PipeTransform {
     }
 
     if (this.endsWithTenth(input)) {
-      return input + 'th';
-    } else {
-      const cardinal = input.toString().charAt(input.toString().length - 1);
+      return `${input}th`;
+    }
+
+    const cardinal = input.toString().charAt(input.toString().length - 1);
 
-      switch (cardinal) {
-        case '1':
-          return input + 'st';
-        case '2':
-          return input + 'nd';
-        case '3':
-          return input + 'rd';
-        default:
-          return input + 'th';
-      }
+    switch (cardinal) {
+      case '1':
+        return `${input}st`;
+      case '2':
+        return `${input}nd`;
+      case '3':
+        return `${input}rd`;
+      default:
+        return `${input}th`;
     }
   }