add first stab at showing how the contact is visible in my network

src/libs/util.ts

@@ -95,6 +95,61 @@ export const canFulfillOffer = (veriClaim: GenericServerRecord) => {
   return !!(veriClaim.claimType === "Offer" && offerGiverDid(veriClaim));
 };
 
+// return object with paths and arrays of DIDs for any keys ending in "VisibleToDid"
+export function findAllVisibleToDids(
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  input: any,
+): Record<string, Array<string>> {
+  if (Array.isArray(input)) {
+    const result: Record<string, Array<string>> = {};
+    for (let i = 0; i < input.length; i++) {
+      const inside = findAllVisibleToDids(input[i]);
+      for (const key in inside) {
+        result["[" + i + "]" + key] = inside[key];
+      }
+    }
+    return result;
+  } else if (input instanceof Object) {
+    // regular map (non-array) object
+    const result: Record<string, Array<string>> = {};
+    for (const key in input) {
+      if (key.endsWith("VisibleToDids")) {
+        const newKey = key.slice(0, -"VisibleToDids".length);
+        result["." + newKey] = input[key];
+      } else {
+        const inside = findAllVisibleToDids(input[key]);
+        for (const insideKey in inside) {
+          result["." + key + insideKey] = inside[insideKey];
+        }
+      }
+    }
+    return result;
+  } else {
+    return {};
+  }
+}
+
+/**
+ * Test findAllVisibleToDids
+ *
+
+ pkgx +deno.land sh
+
+ import * as R from 'ramda';
+
+ console.log(R.equals(findAllVisibleToDids(null), {}));
+ console.log(R.equals(findAllVisibleToDids(9), {}));
+ console.log(R.equals(findAllVisibleToDids([]), {}));
+ console.log(R.equals(findAllVisibleToDids({}), {}));
+ console.log(R.equals(findAllVisibleToDids({ issuer: "abc" }), {}));
+ console.log(R.equals(findAllVisibleToDids({ issuerVisibleToDids: ["abc"] }), { ".issuer": ["abc"] }));
+ console.log(R.equals(findAllVisibleToDids([{ issuerVisibleToDids: ["abc"] }]), { "[0].issuer": ["abc"] }));
+ console.log(R.equals(findAllVisibleToDids(["xyz", { fluff: { issuerVisibleToDids: ["abc"] } }]), { "[1].fluff.issuer": ["abc"] }));
+ console.log(R.equals(findAllVisibleToDids(["xyz", { fluff: { issuerVisibleToDids: ["abc"] }, stuff: [ { did: "HIDDEN", agentDidVisibleToDids: ["def", "ghi"] } ] }]), { "[1].fluff.issuer": ["abc"], "[1].stuff[0].agentDid": ["def", "ghi"] }));
+
+ *
+ **/
+
 /**
  * Generates a new identity, saves it to the database, and sets it as the active identity.
  * @return {Promise<string>} with the DID of the new identity