Split app/core up into domain-oriented files

src/app/deletes.ts

@@ -0,0 +1,28 @@
+import type {TrustedEvent} from "@welshman/util"
+import {DELETE, getTag, makeEvent} from "@welshman/util"
+import {publishThunk, tagEvent} from "@welshman/app"
+import {PROTECTED} from "@app/groups"
+
+export type DeleteParams = {
+  protect: boolean
+  event: TrustedEvent
+  tags?: string[][]
+}
+
+export const makeDelete = ({protect, event, tags = []}: DeleteParams) => {
+  const thisTags = [["k", String(event.kind)], ...tagEvent(event), ...tags]
+  const groupTag = getTag("h", event.tags)
+
+  if (groupTag) {
+    thisTags.push(groupTag)
+  }
+
+  if (protect) {
+    thisTags.push(PROTECTED)
+  }
+
+  return makeEvent(DELETE, {tags: thisTags})
+}
+
+export const publishDelete = ({relays, ...params}: DeleteParams & {relays: string[]}) =>
+  publishThunk({event: makeDelete(params), relays})