René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Proposal: Optionally return a document ID on `valueChanges()` when reading a single document","articleBody":"Thanks to #1973 and #1976 (@codediodeio 🔥) the newest version of AngularFire allows to use `valueChanges()` in a way that it also maps the ID of the document to the document data that is being returned in addition to the document data itself.\r\n\r\n```ts\r\nconst tasks: Observable\u003cTask[]\u003e = this.firestore.collection\u003cTask\u003e('tasks').valueChanges({ idField: 'id' });\r\n```\r\n\r\nThis currently only works when working with a `collection()` call.\r\n\r\nIt may also be nice to do the same when reading a single `doc()`  like so:\r\n\r\n```ts\r\nconst taskId = 'abcdefg';\r\nconst task: Observable\u003cTask\u003e = this.firestore.doc\u003cTask\u003e(`tasks/${taskId}`).valueChanges({ idField: 'id' });\r\n```","author":{"url":"https://github.com/nickreynke","@type":"Person","name":"nickreynke"},"datePublished":"2019-06-12T13:59:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/2109/angularfire/issues/2109"}