├── README.md
├── angular.json
├── package.json
├── src
├── app
│ ├── app.component.css
│ ├── app.component.html
│ ├── app.component.ts
│ ├── app.module.ts
│ ├── employee-component
│ │ ├── employee-component.component.css
│ │ ├── employee-component.component.html
│ │ ├── employee-component.component.ts
│ │ ├── employee.service.ts
│ │ └── employee.ts
│ └── shared
│ │ └── star
│ │ ├── star.component.css
│ │ ├── star.component.html
│ │ └── star.component.ts
├── index.html
├── main.ts
├── polyfills.ts
└── styles.css
└── tsconfig.json
/README.md:
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1 | # angular-servicecomponentleveldi
2 |
3 | employee.ts (parent)
4 |
5 | ```js
6 | export interface IEmployee {
7 | id: number;
8 | code: string;
9 | name: string;
10 | salary: number;
11 | starRating: number;
12 | }
13 | ```
14 |
15 | employee.service.ts
16 |
17 | ```js
18 | import { Injectable } from '@angular/core';
19 | import { IEmployee } from './employee';
20 |
21 | @Injectable()
22 | export class EmployeeService {
23 | getEmployees(): IEmployee[] {
24 | return [
25 | {
26 | id: 1,
27 | code: 'VOD1410',
28 | name: 'Akshay Patel',
29 | salary: 3000,
30 | starRating: 3.5
31 | },
32 | {
33 | id: 2,
34 | code: 'VOD1710',
35 | name: 'Panth Patel',
36 | salary: 1500,
37 | starRating: 4
38 | },
39 | {
40 | id: 2,
41 | code: 'VOD0408',
42 | name: 'Satish Patel',
43 | salary: 5000,
44 | starRating: 4.5
45 | }
46 | ];
47 | }
48 | }
49 | ```
50 |
51 | employee-component.component.ts (parent)
52 |
53 | ```js
54 | import { Component, OnInit } from '@angular/core';
55 | import { IEmployee } from './employee';
56 | import { EmployeeService } from './employee.service';
57 |
58 | @Component({
59 | selector: 'app-employee-component',
60 | templateUrl: './employee-component.component.html',
61 | styleUrls: ['./employee-component.component.css'],
62 | providers: [EmployeeService]
63 | })
64 | export class EmployeeComponentComponent implements OnInit {
65 | private _listFilter: string = '';
66 | filteredEmployees: IEmployee[] = [];
67 | employees: IEmployee[] = [];
68 |
69 | constructor(private employeeService: EmployeeService) {}
70 |
71 | //ALTERNATIVE CODE OF CONSTRUCTOR
72 | // private employeeService;
73 | // constructor(employeeService: EmployeeService) {
74 | // this.employeeService = employeeService;
75 | // }
76 |
77 | ngOnInit() {
78 | this.employees = this.employeeService.getEmployees();
79 | this.listFilter = 'Patel';
80 | }
81 |
82 | get listFilter(): string {
83 | return this._listFilter;
84 | }
85 |
86 | set listFilter(value: string) {
87 | this._listFilter = value;
88 | console.log('In Setter:', value);
89 | this.filteredEmployees = this.performFilter(value);
90 | }
91 |
92 | performFilter(filterBy: string): IEmployee[] {
93 | filterBy = filterBy.toLocaleLowerCase();
94 | return this.employees.filter((employee: IEmployee) =>
95 | employee.name.toLocaleLowerCase().includes(filterBy)
96 | );
97 | }
98 | }
99 | ```
100 | employee-component.component.html (parent)
101 |
102 | ```html
103 |
104 |
105 |
106 |
107 |
108 |
109 | Filter By: {{listFilter}}
110 |
111 |
112 |
113 |
114 | Id |
115 | Code |
116 | Name |
117 | Salary |
118 | Rating |
119 |
120 |
121 | {{employee.id}} |
122 | {{employee.code}} |
123 | {{employee.name}} |
124 | {{employee.salary}} |
125 | |
126 |
127 |
128 |
129 |
130 | ```
131 | star.component.ts (child)
132 |
133 | ```js
134 | import { Component, Input, OnChanges, OnInit } from '@angular/core';
135 |
136 | @Component({
137 | selector: 'app-star',
138 | templateUrl: './star.component.html',
139 | styleUrls: ['./star.component.css']
140 | })
141 | export class StarComponent implements OnChanges {
142 | constructor() {}
143 |
144 | @Input() rating: number = 0;
145 | cropWidth: number = 75;
146 |
147 | ngOnChanges(): void {
148 | this.cropWidth = this.rating * (75 / 5);
149 | }
150 | }
151 | ```
152 |
153 | star.component.html (child)
154 |
155 | ```html
156 |
157 |
158 |
159 |
160 |
161 |
162 |
163 |
164 |
165 | ```
166 |
167 | star.component.css (child)
168 |
169 | ```css
170 | .crop {
171 | overflow: hidden;
172 | }
173 | div {
174 | cursor: pointer;
175 | }
176 | ```
177 |
178 | style.css
179 |
180 | Install bootstrap font-awesome and import in style.css
181 |
182 | ```css
183 | @import '~bootstrap/dist/css/bootstrap.min.css';
184 | @import 'font-awesome/css/font-awesome.min.css';
185 | ```
186 |
187 | app.module.ts
188 |
189 | ```js
190 | import { NgModule } from '@angular/core';
191 | import { BrowserModule } from '@angular/platform-browser';
192 | import { FormsModule } from '@angular/forms';
193 |
194 | import { AppComponent } from './app.component';
195 | import { EmployeeComponentComponent } from './employee-component/employee-component.component';
196 | import { StarComponent } from './shared/star/star.component';
197 |
198 | @NgModule({
199 | imports: [BrowserModule, FormsModule],
200 | declarations: [AppComponent, EmployeeComponentComponent, StarComponent],
201 | bootstrap: [AppComponent]
202 | })
203 | export class AppModule {}
204 | ```
205 |
206 | app.component.html
207 |
208 | ```html
209 |
210 | ```
211 |
212 | 
213 |
214 |
215 |
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/angular.json:
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1 | {
2 | "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
3 | "version": 1,
4 | "newProjectRoot": "projects",
5 | "projects": {
6 | "demo": {
7 | "root": "",
8 | "sourceRoot": "src",
9 | "projectType": "application",
10 | "prefix": "app",
11 | "schematics": {},
12 | "architect": {
13 | "build": {
14 | "builder": "@angular-devkit/build-angular:browser",
15 | "options": {
16 | "outputPath": "dist/demo",
17 | "index": "src/index.html",
18 | "main": "src/main.ts",
19 | "polyfills": "src/polyfills.ts",
20 | "tsConfig": "src/tsconfig.app.json",
21 | "assets": [
22 | "src/favicon.ico",
23 | "src/assets"
24 | ],
25 | "styles": [
26 | "src/styles.css"
27 | ],
28 | "scripts": []
29 | },
30 | "configurations": {
31 | "production": {
32 | "fileReplacements": [
33 | {
34 | "replace": "src/environments/environment.ts",
35 | "with": "src/environments/environment.prod.ts"
36 | }
37 | ],
38 | "optimization": true,
39 | "outputHashing": "all",
40 | "sourceMap": false,
41 | "extractCss": true,
42 | "namedChunks": false,
43 | "aot": true,
44 | "extractLicenses": true,
45 | "vendorChunk": false,
46 | "buildOptimizer": true
47 | }
48 | }
49 | },
50 | "serve": {
51 | "builder": "@angular-devkit/build-angular:dev-server",
52 | "options": {
53 | "browserTarget": "demo:build"
54 | },
55 | "configurations": {
56 | "production": {
57 | "browserTarget": "demo:build:production"
58 | }
59 | }
60 | },
61 | "extract-i18n": {
62 | "builder": "@angular-devkit/build-angular:extract-i18n",
63 | "options": {
64 | "browserTarget": "demo:build"
65 | }
66 | },
67 | "test": {
68 | "builder": "@angular-devkit/build-angular:karma",
69 | "options": {
70 | "main": "src/test.ts",
71 | "polyfills": "src/polyfills.ts",
72 | "tsConfig": "src/tsconfig.spec.json",
73 | "karmaConfig": "src/karma.conf.js",
74 | "styles": [
75 | "styles.css"
76 | ],
77 | "scripts": [],
78 | "assets": [
79 | "src/favicon.ico",
80 | "src/assets"
81 | ]
82 | }
83 | },
84 | "lint": {
85 | "builder": "@angular-devkit/build-angular:tslint",
86 | "options": {
87 | "tsConfig": [
88 | "src/tsconfig.app.json",
89 | "src/tsconfig.spec.json"
90 | ],
91 | "exclude": [
92 | "**/node_modules/**"
93 | ]
94 | }
95 | }
96 | }
97 | }
98 | },
99 | "defaultProject": "demo"
100 | }
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/package.json:
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1 | {
2 | "name": "angular",
3 | "version": "0.0.0",
4 | "private": true,
5 | "dependencies": {
6 | "@angular/animations": "^12.1.0",
7 | "@angular/common": "^12.1.0",
8 | "@angular/compiler": "^12.1.0",
9 | "@angular/core": "^12.1.0",
10 | "@angular/forms": "^12.1.0",
11 | "@angular/platform-browser": "^12.1.0",
12 | "@angular/platform-browser-dynamic": "^12.1.0",
13 | "@angular/router": "^12.1.0",
14 | "@popperjs/core": "^2.9.3",
15 | "bootstrap": "^5.1.0",
16 | "font-awesome": "^4.7.0",
17 | "rxjs": "^7.1.0",
18 | "tslib": "^2.3.0",
19 | "zone.js": "^0.11.4"
20 | },
21 | "scripts": {
22 | "ng": "ng",
23 | "start": "ng serve",
24 | "build": "ng build",
25 | "test": "ng test",
26 | "lint": "ng lint",
27 | "e2e": "ng e2e"
28 | },
29 | "devDependencies": {
30 | "@angular-devkit/build-angular": "~0.1100.4",
31 | "@angular/cli": "~11.0.4",
32 | "@angular/compiler-cli": "~11.0.4",
33 | "@types/jasmine": "~3.6.0",
34 | "@types/node": "^12.11.1",
35 | "codelyzer": "^6.0.0",
36 | "jasmine-core": "~3.6.0",
37 | "jasmine-spec-reporter": "~5.0.0",
38 | "karma": "~5.1.0",
39 | "karma-chrome-launcher": "~3.1.0",
40 | "karma-coverage": "~2.0.3",
41 | "karma-jasmine": "~4.0.0",
42 | "karma-jasmine-html-reporter": "^1.5.0",
43 | "protractor": "~7.0.0",
44 | "ts-node": "~8.3.0",
45 | "tslint": "~6.1.0",
46 | "typescript": "~4.0.2"
47 | }
48 | }
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/src/app/app.component.css:
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1 | p {
2 | font-family: Lato;
3 | }
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/src/app/app.component.html:
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1 |
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/src/app/app.component.ts:
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1 | import { Component } from '@angular/core';
2 |
3 | @Component({
4 | selector: 'my-app',
5 | templateUrl: './app.component.html',
6 | styleUrls: [ './app.component.css' ]
7 | })
8 | export class AppComponent {
9 |
10 | }
11 |
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/src/app/app.module.ts:
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1 | import { NgModule } from '@angular/core';
2 | import { BrowserModule } from '@angular/platform-browser';
3 | import { FormsModule } from '@angular/forms';
4 |
5 | import { AppComponent } from './app.component';
6 | import { EmployeeComponentComponent } from './employee-component/employee-component.component';
7 | import { StarComponent } from './shared/star/star.component';
8 |
9 | @NgModule({
10 | imports: [BrowserModule, FormsModule],
11 | declarations: [AppComponent, EmployeeComponentComponent, StarComponent],
12 | bootstrap: [AppComponent]
13 | })
14 | export class AppModule {}
15 |
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/src/app/employee-component/employee-component.component.css:
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https://raw.githubusercontent.com/akshayblevel/angular-servicecomponentleveldi/15fabb509d248147918fbb46e7df1df2195dedd4/src/app/employee-component/employee-component.component.css
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/src/app/employee-component/employee-component.component.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 | Filter By: {{listFilter}}
8 |
9 |
10 |
11 |
12 | Id |
13 | Code |
14 | Name |
15 | Salary |
16 | Rating |
17 |
18 |
19 | {{employee.id}} |
20 | {{employee.code}} |
21 | {{employee.name}} |
22 | {{employee.salary}} |
23 |
24 |
25 | |
26 |
27 |
28 |
29 |
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/src/app/employee-component/employee-component.component.ts:
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1 | import { Component, OnInit } from '@angular/core';
2 | import { IEmployee } from './employee';
3 | import { EmployeeService } from './employee.service';
4 |
5 | @Component({
6 | selector: 'app-employee-component',
7 | templateUrl: './employee-component.component.html',
8 | styleUrls: ['./employee-component.component.css'],
9 | providers: [EmployeeService]
10 | })
11 | export class EmployeeComponentComponent implements OnInit {
12 | private _listFilter: string = '';
13 | filteredEmployees: IEmployee[] = [];
14 | employees: IEmployee[] = [];
15 |
16 | constructor(private employeeService: EmployeeService) {}
17 |
18 | //ALTERNATIVE CODE OF CONSTRUCTOR
19 | // private employeeService;
20 | // constructor(employeeService: EmployeeService) {
21 | // this.employeeService = employeeService;
22 | // }
23 |
24 | ngOnInit() {
25 | this.employees = this.employeeService.getEmployees();
26 | this.listFilter = 'Patel';
27 | }
28 |
29 | get listFilter(): string {
30 | return this._listFilter;
31 | }
32 |
33 | set listFilter(value: string) {
34 | this._listFilter = value;
35 | console.log('In Setter:', value);
36 | this.filteredEmployees = this.performFilter(value);
37 | }
38 |
39 | performFilter(filterBy: string): IEmployee[] {
40 | filterBy = filterBy.toLocaleLowerCase();
41 | return this.employees.filter((employee: IEmployee) =>
42 | employee.name.toLocaleLowerCase().includes(filterBy)
43 | );
44 | }
45 | }
46 |
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/src/app/employee-component/employee.service.ts:
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1 | import { Injectable } from '@angular/core';
2 | import { IEmployee } from './employee';
3 |
4 | @Injectable()
5 | export class EmployeeService {
6 | getEmployees(): IEmployee[] {
7 | return [
8 | {
9 | id: 1,
10 | code: 'VOD1410',
11 | name: 'Akshay Patel',
12 | salary: 3000,
13 | starRating: 3.5
14 | },
15 | {
16 | id: 2,
17 | code: 'VOD1710',
18 | name: 'Panth Patel',
19 | salary: 1500,
20 | starRating: 4
21 | },
22 | {
23 | id: 2,
24 | code: 'VOD0408',
25 | name: 'Satish Patel',
26 | salary: 5000,
27 | starRating: 4.5
28 | }
29 | ];
30 | }
31 | }
32 |
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/src/app/employee-component/employee.ts:
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1 | export interface IEmployee {
2 | id: number;
3 | code: string;
4 | name: string;
5 | salary: number;
6 | starRating: number;
7 | }
8 |
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/src/app/shared/star/star.component.css:
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1 | .crop {
2 | overflow: hidden;
3 | }
4 | div {
5 | cursor: pointer;
6 | }
7 |
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/src/app/shared/star/star.component.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
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/src/app/shared/star/star.component.ts:
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1 | import { Component, Input, OnChanges, OnInit } from '@angular/core';
2 |
3 | @Component({
4 | selector: 'app-star',
5 | templateUrl: './star.component.html',
6 | styleUrls: ['./star.component.css']
7 | })
8 | export class StarComponent implements OnChanges {
9 | constructor() {}
10 |
11 | @Input() rating: number = 0;
12 | cropWidth: number = 75;
13 |
14 | ngOnChanges(): void {
15 | this.cropWidth = this.rating * (75 / 5);
16 | }
17 | }
18 |
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/src/index.html:
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1 | loading
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/src/main.ts:
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1 | import './polyfills';
2 |
3 | import { enableProdMode } from '@angular/core';
4 | import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
5 |
6 | import { AppModule } from './app/app.module';
7 |
8 | platformBrowserDynamic().bootstrapModule(AppModule).then(ref => {
9 | // Ensure Angular destroys itself on hot reloads.
10 | if (window['ngRef']) {
11 | window['ngRef'].destroy();
12 | }
13 | window['ngRef'] = ref;
14 |
15 | // Otherwise, log the boot error
16 | }).catch(err => console.error(err));
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/src/polyfills.ts:
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1 | /**
2 | * This file includes polyfills needed by Angular and is loaded before the app.
3 | * You can add your own extra polyfills to this file.
4 | *
5 | * This file is divided into 2 sections:
6 | * 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
7 | * 2. Application imports. Files imported after ZoneJS that should be loaded before your main
8 | * file.
9 | *
10 | * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
11 | * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
12 | * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
13 | *
14 | * Learn more in https://angular.io/docs/ts/latest/guide/browser-support.html
15 | */
16 |
17 | /***************************************************************************************************
18 | * BROWSER POLYFILLS
19 | */
20 |
21 | /** IE9, IE10 and IE11 requires all of the following polyfills. **/
22 | // import 'core-js/es6/symbol';
23 | // import 'core-js/es6/object';
24 | // import 'core-js/es6/function';
25 | // import 'core-js/es6/parse-int';
26 | // import 'core-js/es6/parse-float';
27 | // import 'core-js/es6/number';
28 | // import 'core-js/es6/math';
29 | // import 'core-js/es6/string';
30 | // import 'core-js/es6/date';
31 | // import 'core-js/es6/array';
32 | // import 'core-js/es6/regexp';
33 | // import 'core-js/es6/map';
34 | // import 'core-js/es6/set';
35 |
36 | /** IE10 and IE11 requires the following for NgClass support on SVG elements */
37 | // import 'classlist.js'; // Run `npm install --save classlist.js`.
38 |
39 | /** IE10 and IE11 requires the following to support `@angular/animation`. */
40 | // import 'web-animations-js'; // Run `npm install --save web-animations-js`.
41 |
42 |
43 | /** Evergreen browsers require these. **/
44 | // import 'core-js/es6/reflect';
45 | // import 'core-js/es7/reflect';
46 |
47 |
48 | /**
49 | * Web Animations `@angular/platform-browser/animations`
50 | * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
51 | * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
52 | */
53 | // import 'web-animations-js'; // Run `npm install --save web-animations-js`.
54 |
55 |
56 |
57 | /***************************************************************************************************
58 | * Zone JS is required by Angular itself.
59 | */
60 | import 'zone.js/dist/zone'; // Included with Angular CLI.
61 |
62 |
63 | /***************************************************************************************************
64 | * APPLICATION IMPORTS
65 | */
66 |
67 | /**
68 | * Date, currency, decimal and percent pipes.
69 | * Needed for: All but Chrome, Firefox, Edge, IE11 and Safari 10
70 | */
71 | // import 'intl'; // Run `npm install --save intl`.
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/src/styles.css:
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1 | @import '~bootstrap/dist/css/bootstrap.min.css';
2 | @import 'font-awesome/css/font-awesome.min.css';
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/tsconfig.json:
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1 | {
2 | "compileOnSave": false,
3 | "compilerOptions": {
4 | "baseUrl": "./",
5 | "outDir": "./dist/out-tsc",
6 | "sourceMap": true,
7 | "declaration": false,
8 | "downlevelIteration": true,
9 | "experimentalDecorators": true,
10 | "module": "esnext",
11 | "moduleResolution": "node",
12 | "importHelpers": true,
13 | "target": "es2015",
14 | "typeRoots": [
15 | "node_modules/@types"
16 | ],
17 | "lib": [
18 | "es2018",
19 | "dom"
20 | ]
21 | },
22 | "angularCompilerOptions": {
23 | "enableIvy": true,
24 | "fullTemplateTypeCheck": true,
25 | "strictInjectionParameters": true
26 | }
27 | }
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