synchronize shared sources on join + other stuff

1 files changed, 11 insertions, 0 deletions

diff --git a/general-util.js b/general-util.js
index 4bfd491..364da88 100644
--- a/general-util.js
+++ b/general-util.js
@@ -349,3 +349,14 @@ export async function silenceEvents(emitter, eventsToSilence, callback) {
 
   emitter.emit = oldEmit
 }
+
+// Kindly stolen from ESDiscuss:
+// https://esdiscuss.org/topic/proposal-add-an-option-to-omit-prototype-of-objects-created-by-json-parse#content-1
+export function parseWithoutPrototype(string) {
+  return JSON.parse(string, function(k, v) {
+    if (v && typeof v === 'object' && !Array.isArray(v)) {
+      return Object.assign(Object.create(null), v)
+    }
+    return v
+  })
+}