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Problem

  • Create two new Components (manually or with CLI): WarningAlert and SuccessAlert
  • Output them beneath each other in the AppComponent
  • Output a warning or success message in the Components
  • Style the Components appropriately (maybe some red/green text)
  • Use external or internal templates and styles!
  • Feel free to create more components, nest them into each other or play around with different types of selectors!

References

  • Create a new Angular app using CLI

    ng new app_name

  • Create a new component using CLI

    ng g c component_name

  • Integrate Bootstrap into the project

    • Install bootstrap and bootstrap-icons npm packages

      npm i bootstrap bootstrap-icons

    • Configure the app for Bootstrap using angular.json

      {
  ...,
  "projects": {
    "challenge-001": {
      ...,
      "architect": {
        "build": {
          ...,
          "options": {
            ...,
            "styles": [
              "node_modules/bootstrap/scss/bootstrap.scss",
              "node_modules/bootstrap-icons/font/bootstrap-icons.css",
              "src/styles.scss"
            ],
            "scripts": [
              "node_modules/bootstrap/dist/js/bootstrap.bundle.min.js"
            ]
          },
          ...
        },
        ...
      }
    }
  }
}

  • API

    • Component from @angular/core

      • selector:

        • The CSS selector that identifies this directive in a template and triggers instantiation of the directive.

        • Declare as one of the following:

          • element-name: Select by element name.
          • .class: Select by class name.
          • [attribute]: Select by attribute name.
          • [attribute=value]: Select by attribute name and value.
          • :not(sub_selector): Select only if the element does not match the sub_selector.
          • selector1, selector2: Select if either selector1 or selector2 matches.

      • templateUrl?:

        • The relative path or absolute URL of a template file for an Angular component. If provided, do not supply an inline template using template.

      • template?:

        • An inline template for an Angular component. If provided, do not supply a template file using templateUrl.

      • styleUrls?:

        • One or more relative paths or absolute URLs for files containing CSS stylesheets to use in this component.

      • styles?:

        • One or more inline CSS stylesheets to use in this component.