ember-curry-component

Like Ember's builtin (component) helper, but with dynamic arguments, and JS compatibility.

Installation

ember install ember-curry-component

Usage

Simple static arguments

import Component from "@glimmer/component";
import { getOwner } from "@ember/owner";
import curryComponent from "ember-curry-component";
import SomeOtherComponent from "./some-other-component";

class MyComponent extends Component {
  get curriedComponent(){
    const args = {
      name: "David"
    };
    return curryComponent(SomeOtherComponent, args, getOwner(this))
  }

  <template>
    <this.curriedComponent />
  </template>
}

Reactive arguments (option 1: per-argument reactivity)

import Component from "@glimmer/component";
import { getOwner } from "@ember/owner";
import curryComponent from "ember-curry-component";
import SomeOtherComponent from "./some-other-component";

class MyComponent extends Component {
  @tracked name = "David";

  get curriedComponent() {
    const instance = this;
    const args = {
      get name() {
        return instance.name;
      }
    };
    return curryComponent(SomeOtherComponent, args, getOwner(this));
  }

  <template>
    <this.curriedComponent />
  </template>
}

When this.name is reassigned, the @name argument on the curried component will be invalidated. The curriedComponent getter will not be re-evaluated.

Reactive arguments (option 2: rerender entire component)

import Component from "@glimmer/component";
import { getOwner } from "@ember/owner";
import curryComponent from "ember-curry-component";
import SomeOtherComponent from "./some-other-component";

class MyComponent extends Component {
  @tracked name = "David";

  get curriedComponent(){
    const args = {
      name: this.name
    };
    return curryComponent(SomeOtherComponent, args, getOwner(this));
  }

  <template>
    <this.curriedComponent />
  </template>
}

When this.name is reassigned, the curriedComponent getter will be invalidated, and the curried component will be completely rerendered.

As a helper

In .gjs/.gjs files, the curryComponent helper can be used directly in a template. In this case, the owner does not need to be passed explicitly.

import SomeOtherComponent from "./some-other-component";

const args = { name: "david" }

<template>
  {{#let (curryComponent MyComponent args) as |curriedComponent|}}
    <curriedComponent />
  {{/let}}
</templates>

Caveats

In <template>, curried components cannot be rendered from the local scope. This will fail:

// Do not copy!
const curried = curryComponent(MyComponent, args, owner)
<template><curried /></template>

You must wrap the invocation in {{#let}} instead:

// Do not copy!
const curried = curryComponent(MyComponent, args, owner)
<template>
  {{#let curried as |myComponent|}}
    <myComponent />
  {{/let}}
</template>

Contributing

See the Contributing guide for details.

License

This project is licensed under the MIT License.