getting started with Vault

Author: cubap

classes/Manifest/Manifest.js

@@ -0,0 +1,51 @@
+import { Vault } from "@hyperion-framework/vault"
+
+const vault = new Vault()
+
+class Manifest {
+
+    manifest = null
+    uri = null
+
+    constructor(manifestOrUri) {
+
+        if (typeof manifestOrUri !== 'string' && typeof manifestOrUri !== 'object') {
+            throw new Error('Invalid input: must be a manifest object or a URI string')
+        }
+        let id = manifestOrUri['@id'] ?? manifestOrUri.id ?? manifestOrUri
+
+        if (!id) {
+            throw new Error('Invalid input: manifest object must have an @id or id property')
+        }
+
+        try {
+            new URL(id);
+            this.uri = id;
+        } catch (_) {
+            throw new Error('Invalid input: must be a valid URI string');
+        }
+
+        const requiredProperties = [
+            ['@type', 'type'],
+            ['@context', 'context'],
+            ['sequences', 'items']
+        ]
+
+        try {
+            for (const [prop1, prop2] of requiredProperties) {
+                if (!manifestOrUri[prop1] && !manifestOrUri[prop2]) {
+                    throw new Error(`Invalid input: manifest object must have either ${prop1} or ${prop2} property`)
+                }
+            }
+        } catch (err) {
+            console.warn(err, Object.keys(manifestOrUri))
+            return
+        }
+
+        this.manifest = manifestOrUri
+    }
+
+    load = async () => vault.loadManifest(this.uri)
+}
+
+export default Manifest

package-lock.json

@@ -33,6 +33,7 @@
       "inviteMemberTests": "node --experimental-vm-modules node_modules/jest/bin/jest.js -t inviteMemberTests "
    },
    "dependencies": {
+      "@hyperion-framework/vault": "^2.0.0-alpha.0",
       "cookie-parser": "^1.4.7",
       "cors": "^2.8.5",
       "debug": "^4.4.0",