Add language filtering to goodstuff

package.json

@@ -65,6 +65,7 @@
     "he": "^1.2.0",
     "history": "^5.3.0",
     "js-sha256": "^0.9.0",
+    "lande": "^1.0.10",
     "lodash.chunk": "^4.2.0",
     "lodash.clonedeep": "^4.5.0",
     "lodash.debounce": "^4.0.8",

src/lib/api/feed-manip.ts

@@ -1,5 +1,7 @@
 import {AppBskyFeedFeedViewPost} from '@atproto/api'
+import lande from 'lande'
 type FeedViewPost = AppBskyFeedFeedViewPost.Main
+import {hasProp} from '@atproto/lexicon'
 
 export type FeedTunerFn = (
   tuner: FeedTuner,
@@ -178,6 +180,33 @@ export class FeedTuner {
       }
     }
   }
+
+  static englishOnly(tuner: FeedTuner, slices: FeedViewPostsSlice[]) {
+    // TEMP
+    // remove slices with no english in them
+    // we very soon need to get the local user's language and filter
+    // according to their preferences, but for the moment
+    // we're just rolling with english
+    // -prf
+    for (let i = slices.length - 1; i >= 0; i--) {
+      let hasEnglish = false
+      for (const item of slices[i].items) {
+        if (
+          hasProp(item.post.record, 'text') &&
+          typeof item.post.record.text === 'string'
+        ) {
+          const res = lande(item.post.record.text)
+          if (res[0][0] === 'eng') {
+            hasEnglish = true
+            break
+          }
+        }
+      }
+      if (!hasEnglish) {
+        slices.splice(i, 1)
+      }
+    }
+  }
 }
 
 function getSelfReplyUri(item: FeedViewPost): string | undefined {

src/state/models/feed-view.ts

@@ -336,6 +336,20 @@ export class FeedModel {
     return this.setup()
   }
 
+  private get feedTuners() {
+    if (this.feedType === 'goodstuff') {
+      return [
+        FeedTuner.dedupReposts,
+        FeedTuner.likedRepliesOnly,
+        FeedTuner.englishOnly,
+      ]
+    }
+    if (this.feedType === 'home') {
+      return [FeedTuner.dedupReposts, FeedTuner.likedRepliesOnly]
+    }
+    return []
+  }
+
   /**
    * Load for first render
    */
@@ -477,12 +491,7 @@ export class FeedModel {
     }
     const res = await this._getFeed({limit: 1})
     const currentLatestUri = this.pollCursor
-    const slices = this.tuner.tune(
+    const slices = this.tuner.tune(res.data.feed, this.feedTuners)
-      res.data.feed,
-      this.feedType === 'home'
-        ? [FeedTuner.dedupReposts, FeedTuner.likedRepliesOnly]
-        : [],
-    )
     const item = slices[0]?.rootItem
     if (!item) {
       return
@@ -548,12 +557,7 @@ export class FeedModel {
     this.loadMoreCursor = res.data.cursor
     this.hasMore = !!this.loadMoreCursor
 
-    const slices = this.tuner.tune(
+    const slices = this.tuner.tune(res.data.feed, this.feedTuners)
-      res.data.feed,
-      this.feedType === 'home'
-        ? [FeedTuner.dedupReposts, FeedTuner.likedRepliesOnly]
-        : [],
-    )
 
     const toAppend: FeedSliceModel[] = []
     for (const slice of slices) {
@@ -578,12 +582,7 @@ export class FeedModel {
   ) {
     this.pollCursor = res.data.feed[0]?.post.uri
 
-    const slices = this.tuner.tune(
+    const slices = this.tuner.tune(res.data.feed, this.feedTuners)
-      res.data.feed,
-      this.feedType === 'home'
-        ? [FeedTuner.dedupReposts, FeedTuner.likedRepliesOnly]
-        : [],
-    )
 
     const toPrepend: FeedSliceModel[] = []
     for (const slice of slices) {

src/view/com/util/pager/Pager.web.tsx

@@ -51,7 +51,11 @@ export const Pager = ({
           onSelect: onTabBarSelect,
         })}
       {children.map((child, i) => (
-        <View style={selectedPage === i ? undefined : s.hidden}>{child}</View>
+        <View
+          style={selectedPage === i ? undefined : s.hidden}
+          key={`page-${i}`}>
+          {child}
+        </View>
       ))}
       {tabBarPosition === 'bottom' &&
         renderTabBar({

yarn.lock

@@ -10492,6 +10492,13 @@ kysely@^0.22.0:
   resolved "https://registry.yarnpkg.com/kysely/-/kysely-0.22.0.tgz#8aac53942da3cadc604d7d154a746d983fe8f7b9"
   integrity sha512-ZE3qWtnqLOalodzfK5QUEcm7AEulhxsPNuKaGFsC3XiqO92vMLm+mAHk/NnbSIOtC4RmGm0nsv700i8KDp1gfQ==
 
+lande@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/lande/-/lande-1.0.10.tgz#1f6c6542e628338eb18def22edd1038f5fce9e7a"
+  integrity sha512-yT52DQh+UV2pEp08jOYrA4drDv0DbjpiRyZYgl25ak9G2cVR2AimzrqkYQWrD9a7Ud+qkAcaiDDoNH9DXfHPmw==
+  dependencies:
+    toygrad "^2.6.0"
+
 language-subtag-registry@~0.3.2:
   version "0.3.22"
   resolved "https://registry.yarnpkg.com/language-subtag-registry/-/language-subtag-registry-0.3.22.tgz#2e1500861b2e457eba7e7ae86877cbd08fa1fd1d"
@@ -15679,6 +15686,11 @@ tough-cookie@^4.0.0, tough-cookie@^4.1.2:
     universalify "^0.2.0"
     url-parse "^1.5.3"
 
+toygrad@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/toygrad/-/toygrad-2.6.0.tgz#e814bb7da026db8e08dc7da14c7155f49cdb4d54"
+  integrity sha512-g4zBmlSbvzOE5FOILxYkAybTSxijKLkj1WoNqVGnbMcWDyj4wWQ+eYSr3ik7XOpIgMq/7eBcPRTJX3DM2E0YMg==
+
 tr46@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-1.0.1.tgz#a8b13fd6bfd2489519674ccde55ba3693b706d09"