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@embroider/addon

v0.30.0

Published

The default blueprint for ember-cli addons.

Downloads

818

Readme

@embroider/addon

Utilities to help addons with Embroider support.

Compatibility

  • Ember.js v3.13 or above
  • Ember CLI v2.13 or above
  • Node.js v10 or above

Installation

ember install @embroider/addon

The Utilities

ensureSafeComponent

This function aids you in eliminating un-analyzable usage of the {{component}} helper. For the full explanation of why and how you would do this, see the Addon Author Guide.

Example usage in Javascript:

import { ensureSafeComponent } from '@embroider/addon';
import Component from '@glimmer/component';
import DefaultTitleComponent from './default-title';

export default class extends Component {
  get title() {
    return ensureSafeComponent(this.args.title || DefaultTitleComponent, this);
  }
}
<this.title />

Example usage in a template:

{{#let (ensure-safe-component (or @title (component "default-title"))) as |Title|}}
  <Title />
{{/let}}

The first argument is allowed to be:

  • a string. If we see a string, we will emit a deprecation warning because passing components-as-strings doesn't work safely under Embroider with staticComponents enabled. We will return a value that is safe to invoke (via angle brackets) on your current Ember version.
  • a curried component definition (which is the kind of value you receive when someone does <YourComponent @customThing={{component "fancy"}}/>). These are returned unchanged, because they're always safe to invoke.
  • a component class, in which case if your ember version does not yet support directly invoking component classes, we will convert it to a curried component definition for you.

In the Javascript version, you must pass a second argument that is any object with an owner (a Component instance works great).

Contributing

See the Contributing guide for details.

License

This project is licensed under the MIT License.