Initial commit

- needs-async and needs-async-state contextual provider component
- find-all helper
- find-record helper
- belongs-to helper
- has-many helper

.eslintrc.js

@@ -1,4 +1,7 @@
 module.exports = {
+  globals: {
+    server: true,
+  },
   root: true,
   parserOptions: {
     ecmaVersion: 2017,

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 ## Installation
 
 * `git clone <repository-url>`
-* `cd ember-async-providers`
+* `cd ember-needs-async`
 * `npm install`
 
 ## Linting
@@ -23,4 +23,4 @@
 * `ember serve`
 * Visit the dummy application at [http://localhost:4200](http://localhost:4200).
 
-For more information on using ember-cli, visit [https://ember-cli.com/](https://ember-cli.com/).
+For more information on using ember-cli, visit [https://ember-cli.com/](https://ember-cli.com/).

README.md

@@ -1,4 +1,4 @@
-ember-async-providers
+ember-needs-async
 ==============================================================================
 
 [Short description of the addon.]
@@ -15,7 +15,7 @@ Installation
 ------------------------------------------------------------------------------
 
 ```
-ember install ember-async-providers
+ember install ember-needs-async
 ```
 
 

addon/components/needs-async-state.js

@@ -0,0 +1,7 @@
+import Component from '@ember/component';
+import layout from '../templates/components/needs-async-state';
+
+export default Component.extend({
+  layout,
+  tagName: ''
+});

addon/components/needs-async.js

@@ -0,0 +1,9 @@
+import Component from '@ember/component';
+import layout from '../templates/components/needs-async';
+
+export default Component.extend({
+  layout,
+  tagName: '',
+
+  needs: null,
+});

addon/helpers/belongs-to.js

@@ -0,0 +1,15 @@
+import Helper from '@ember/component/helper';
+import { task } from 'ember-concurrency';
+
+export default Helper.extend({
+  belongsToTask: task(function * (model, relationship) {
+    return yield model.belongsTo(relationship).load();
+  }),
+  compute([model, relationship/*, ...rest*/]/*, hash*/) {
+    // TODO: better error handling
+    if(!model || !model.belongsTo || !relationship) {
+      return null;
+    }
+    return this.belongsToTask.perform(model, relationship);
+  }
+});

addon/helpers/find-all.js

@@ -0,0 +1,13 @@
+import Helper from '@ember/component/helper';
+import { inject as service } from '@ember/service';
+import { task } from 'ember-concurrency';
+
+export default Helper.extend({
+  store: service(),
+  findAllTask: task(function * (modelType) {
+    return yield this.store.findAll(modelType);
+  }),
+  compute([modelType/*, ...rest*/]/*, hash*/) {
+    return this.findAllTask.perform(modelType);
+  }
+});

addon/helpers/find-record.js

@@ -0,0 +1,14 @@
+import Helper from '@ember/component/helper';
+import { inject as service } from '@ember/service';
+import { task } from 'ember-concurrency';
+
+export default Helper.extend({
+  store: service(),
+  findRecordTask: task(function * (modelType, id) {
+    return yield this.store.findRecord(modelType, id);
+  }),
+  compute([modelType, id/*, ...rest*/]/*, hash*/) {
+    if(!id) return null;
+    return this.findRecordTask.perform(modelType, id);
+  }
+});

addon/helpers/has-many.js

@@ -0,0 +1,15 @@
+import Helper from '@ember/component/helper';
+import { task } from 'ember-concurrency';
+
+export default Helper.extend({
+  hasManyTask: task(function * (model, relationship) {
+    return yield model.hasMany(relationship).load();
+  }),
+  compute([model, relationship/*, ...rest*/]/*, hash*/) {
+    // TODO: better error handling
+    if(!model || !model.hasMany || !relationship) {
+      return null;
+    }
+    return this.hasManyTask.perform(model, relationship);
+  }
+});

addon/templates/components/needs-async-state.hbs

@@ -0,0 +1,3 @@
+{{#if (get this.taskInstance state)}}
+  {{yield (get this.taskInstance state)}}
+{{/if}}

addon/templates/components/needs-async.hbs

@@ -0,0 +1,6 @@
+{{yield (hash
+  taskInstance=this.needs
+  loading=(component "needs-async-state" state="isRunning" taskInstance=this.needs)
+  loaded=(component "needs-async-state" state="value" taskInstance=this.needs)
+  error=(component "needs-async-state" state="error" taskInstance=this.needs) 
+)}}

app/components/needs-async-state.js

@@ -0,0 +1 @@
+export { default } from 'ember-needs-async/components/needs-async-state';

app/components/needs-async.js

@@ -0,0 +1 @@
+export { default } from 'ember-needs-async/components/needs-async';

app/helpers/belongs-to.js

@@ -0,0 +1 @@
+export { default, belongsTo } from 'ember-needs-async/helpers/belongs-to';

app/helpers/find-all.js

@@ -0,0 +1 @@
+export { default, findAll } from 'ember-needs-async/helpers/find-all';

app/helpers/find-record.js

@@ -0,0 +1 @@
+export { default, findRecord } from 'ember-needs-async/helpers/find-record';

app/helpers/has-many.js

@@ -0,0 +1 @@
+export { default, hasMany } from 'ember-needs-async/helpers/has-many';