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    ember-resource-metadata

    1.0.2 • Public • Published

    ember-resource-metadata

    The JSONAPI spec allows any resource to have its own meta object. Ember Data doesn't support meta in this position. This addon exists to fill the gap.

    It provides an AdapterMixin, a SerializerMixin, a Service, and a Helper as described in the following sections:

    AdapterMixin

    We provide a mixin that you can apply to Ember Data's JSONAPIAdapter that stores per-resource metadata into a service. Use it like:

    import AdapterMixin from 'ember-resource-metadata/adapter-mixin';
    import DS from 'ember-data';
    export default DS.JSONAPIAdapter.extend(AdapterMixin);

    It expects to receive JSONAPI-compliant responses from the server (because it will expect to find /data/id, /data/type, and /data/meta in the response).

    Service

    The resource-metadata service has the following methods for accessing metadata:

    • peek(record): takes an Ember Data record or any object with a type and id. Returns an Ember.Object representing the record's metadata. Returns undefined if we don't have any metadata for the record.
    • read(record): takes the same input as peek, but this always returns an Ember.Object, which will be updated to contain the metadata for the record even if it's added at a later time.
    • write(record, metadata): saves all the properties of metadata as the metadata for record. This is a per-property merge with any prior metadata.

    To access these methods, inject the service into a Component, Controller, Route, etc:

    export default Ember.Component.extend({
      resourceMetadata: Ember.inject.service(),
      actions: {
        bumpVersion() {
          let service = this.get('resourceMetadata');
          let model = this.get('model');
          let meta = service.read(model);
          service.write(model, { version: meta.version + 1 });
        }
      }
    })

    SerializerMixin

    We provide a mixin that you can apply to Ember Data's JSONAPISerializer that writes per-resource metadata back out to the server.

    Use it like:

    import SerializerMixin from 'ember-resource-metadata/serializer-mixin';
    import DS from 'ember-data';
    export default DS.JSONAPISerializer.extend(SerializerMixin);

    Helper

    The meta-for-resource helper is implemented via read as defined in the previous section, so you can use it easily from templates:

    {{#with (meta-for-resource model) as |meta|}}
      Your meta.freshness is {{meta.freshness}}
    {{/with}}
    

    Installation

    • git clone <repository-url> this repository
    • cd ember-resource-metadata
    • npm install

    Linting

    • npm run lint:js
    • npm run lint:js -- --fix

    Running

    Running tests

    • ember test – Runs the test suite on the current Ember version
    • ember test --server – Runs the test suite in "watch mode"
    • ember try:each – Runs the test suite against multiple Ember versions

    Building

    • ember build

    For more information on using ember-cli, visit https://ember-cli.com/.

    License

    This project is licensed under the MIT License.

    Install

    npm i ember-resource-metadata

    DownloadsWeekly Downloads

    193

    Version

    1.0.2

    License

    MIT

    Unpacked Size

    11.1 kB

    Total Files

    12

    Last publish

    Collaborators

    • habdelra
    • ef4
    • snewcomer