Feat/parse invitation

source/invitation/errors.ts

@@ -0,0 +1,46 @@
+/* eslint-disable max-classes-per-file */
+
+/**
+ * Thrown when a value does not satisfy the XOInvitation schema.
+ */
+export class InvitationInvalidError extends Error {
+    constructor(details: string) {
+        const defaultMessage = `Invitation invalid, expected a value matching the XOInvitation type, but got: ${details}`;
+        super(defaultMessage);
+        this.name = 'InvitationInvalidError';
+    }
+}
+
+/**
+ * Thrown when invitation share JSON cannot be parsed.
+ */
+export class InvitationJsonMalformedError extends Error {
+    /**
+     * Parser failure forwarded from JSON parsing.
+     */
+    readonly reason: string;
+
+    constructor(reason: string) {
+        const defaultMessage = `Invitation JSON malformed: expected a valid JSON string, but got: ${reason}`;
+        super(defaultMessage);
+        this.name = 'InvitationJsonMalformedError';
+        this.reason = reason;
+    }
+}
+
+/**
+ * Thrown when invitation serialization fails.
+ */
+export class InvitationSerializationFailedError extends Error {
+    /**
+     * Serializer failure forwarded from the serialization path.
+     */
+    readonly reason: string;
+
+    constructor(reason: string) {
+        const defaultMessage = `Invitation serialization failed: ${reason}`;
+        super(defaultMessage);
+        this.name = 'InvitationSerializationFailedError';
+        this.reason = reason;
+    }
+}