feat(config): Added plugin configuration class

src/config.js

@@ -0,0 +1,85 @@
+import {HttpClient} from 'aurelia-fetch-client';
+import {Rest} from './rest';
+
+export class Config {
+  endpoints       = {};
+  defaultEndpoint = null;
+
+  /**
+   * Register a new endpoint.
+   *
+   * @param {string}          name              The name of the new endpoint.
+   * @param {function|string} [configureMethod] Configure method or endpoint.
+   * @param {{}}              [defaults]        Defaults for the HttpClient
+   *
+   * @see http://aurelia.io/docs.html#/aurelia/fetch-client/latest/doc/api/class/HttpClientConfiguration
+   * @return {Config}
+   */
+  registerEndpoint(name, configureMethod, defaults) {
+    let newClient        = new HttpClient();
+    this.endpoints[name] = new Rest(newClient);
+
+    // Manual configure of client.
+    if (typeof configureMethod === 'function') {
+      newClient.configure(configureMethod);
+
+      return this;
+    }
+
+    // Base url is self.
+    if (typeof configureMethod !== 'string') {
+      return this;
+    }
+
+    // Base url is string. Configure.
+    newClient.configure(configure => {
+      configure.withBaseUrl(configureMethod);
+
+      // Set optional defaults.
+      if (typeof defaults === 'object') {
+        configure.withDefaults(defaults);
+      }
+    });
+
+    return this;
+  }
+
+  /**
+   * Get a previously registered endpoint. Returns null when not found.
+   *
+   * @param {string} [name] Returns default endpoint when not set.
+   *
+   * @return {Rest|null}
+   */
+  getEndpoint(name) {
+    if (typeof name === 'undefined') {
+      return this.defaultEndpoint || null;
+    }
+
+    return this.endpoints[name] || null;
+  }
+
+  /**
+   * Check if an endpoint has been registered.
+   *
+   * @param {string} name
+   *
+   * @return {boolean}
+   */
+  endpointExists(name) {
+    return !!this.endpoints[name];
+  }
+
+  /**
+   * Set a previously registered endpoint as the default.
+   *
+   * @param {string} name
+   *
+   * @return {Config}
+   */
+  setDefaultEndpoint(name) {
+    this.defaultEndpoint = this.getEndpoint(name);
+
+    return this;
+  }
+}