Angular Password Generator

README.md

Angular Password Generator

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contrivedExperimentMetadata.json

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css.css

Body {
	margin-top: 10%;
}

html.html

<root/>

javascript.js

const { Component, VERSION } = ng.core;

// Component Template
@Component({
  selector: 'root',
  template: `
    <div class="container">
      <div class="columns is-centered">
        <div class="box column is-one-third">
          <h1 class="title has-text-centered">Password Generator</h1>

          <div class="field">
            <label>Length</label>
            <input class="input" (input)="onLengthInput($event.target.value)" />
          </div>

          <div class="field">
            <div class="control">
              <label class="checkbox">
                <input (change)="onUseLettersChange()" type="checkbox" />
                Use Letters
              </label>
            </div>
          </div>

          <div class="field">
            <div class="control">
              <label class="checkbox">
                <input (change)="onUseNumbersChange()" type="checkbox" />
                Use Numbers
              </label>
            </div>
          </div>

          <div class="field">
            <div class="control">
              <label class="checkbox">
                <input (change)="onUseSymbolsChange()" type="checkbox" />
                Use Symbols
              </label>
            </div>
          </div>

          <button [disabled]="
            !(length && (useLetters || useNumbers || useSymbols))
            " (click)="onButtonClick()" class="button is-link is-fullwidth">
            Generate!
          </button>

          <div class="box" *ngIf="password">
            <label>Your Password</label>
            <input class="input" [value]="password" />
          </div>
        </div>
      </div>
    </div>
  `
})

// Property Binding
// <button [disabled]="length">Submit</button>

// Event Binding
// <button (click)="onButtonClick()">Submit</button>

// Interpolation
// <div>Your password is {{ length }} characters long</div>

// Structural Directive
// <div *ngIf="showSubmit()">
//   <button>Submit</button>
//</div>

// Component Class
class AppComponent {
  length = 0;
  useLetters = false;
  useNumbers = false;
  useSymbols = false;

  password = '';

  constructor() {}

  ngOnInit() {}

  onLengthInput(value: string) {
    const parsedValue = parseInt(value);
    if (!isNaN(parsedValue)) {
      this.length = parsedValue;
    }
  }

  onUseLettersChange() {
    this.useLetters = !this.useLetters;
  }

  onUseNumbersChange() {
    this.useNumbers = !this.useNumbers;
  }

  onUseSymbolsChange() {
    this.useSymbols = !this.useSymbols;
  }

  onButtonClick() {
    // console.log(`
    //   About to generate password.
    //   includes letters: ${this.useLetters}
    //   includes numbers: ${this.useNumbers}
    //   includes symbols: ${this.useSymbols}
    // `);

    let letters = 'abcdefghijklmnopqrstuvwxyz';
    let numbers = '1234567890';    
    let symbols = '!@#$%^&*()+=-|\?/<>,.';

    let validChars = '';

    if (this.useLetters) {
      validChars += letters;
    }
    if (this.useNumbers) {
      validChars += numbers;
    }
    if (this.useSymbols) {
      validChars += symbols;
    }

    let generatedPassword = '';
    for (let i = 0; i < this.length; i++) {
      let index = Math.floor(Math.random() * validChars.length);
      generatedPassword += validChars[index];
    }
    this.password = generatedPassword;
  }
  
}


// main.js
const { BrowserModule } = ng.platformBrowser;
const { NgModule } = ng.core;
const { CommonModule } = ng.common;

@NgModule({
  imports: [
    BrowserModule,
    CommonModule,
  ],
  declarations: [AppComponent],
  bootstrap: [AppComponent],
  providers: []
})
class AppModule {}

const { platformBrowserDynamic } = ng.platformBrowserDynamic;

platformBrowserDynamic()
  .bootstrapModule(AppModule)
  .catch(err => console.error(err));