5 files changed, 111 insertions, 75 deletions
diff --git a/src/state/lib/api-polyfill.ts b/src/state/lib/api-polyfill.ts
new file mode 100644
index 000000000..be6f90f7a
--- /dev/null
+++ b/src/state/lib/api-polyfill.ts
@@ -0,0 +1,76 @@
+import {sessionClient as AtpApi} from '@atproto/api'
+
+export function doPolyfill() {
+  AtpApi.xrpc.fetch = fetchHandler
+}
+
+interface FetchHandlerResponse {
+  status: number
+  headers: Record<string, string>
+  body: ArrayBuffer | undefined
+}
+
+async function fetchHandler(
+  reqUri: string,
+  reqMethod: string,
+  reqHeaders: Record<string, string>,
+  reqBody: any,
+): Promise<FetchHandlerResponse> {
+  const reqMimeType = reqHeaders['Content-Type'] || reqHeaders['content-type']
+  if (reqMimeType && reqMimeType.startsWith('application/json')) {
+    reqBody = JSON.stringify(reqBody)
+  } else if (
+    typeof reqBody === 'string' &&
+    (reqBody.startsWith('/') || reqBody.startsWith('file:'))
+  ) {
+    if (reqBody.endsWith('.jpeg') || reqBody.endsWith('.jpg')) {
+      // HACK
+      // React native has a bug that inflates the size of jpegs on upload
+      // we get around that by renaming the file ext to .bin
+      // see https://github.com/facebook/react-native/issues/27099
+      // -prf
+      const newPath = reqBody.replace(/\.jpe?g$/, '.bin')
+      await RNFS.moveFile(reqBody, newPath)
+      reqBody = newPath
+    }
+    // NOTE
+    // React native treats bodies with {uri: string} as file uploads to pull from cache
+    // -prf
+    reqBody = {uri: reqBody}
+  }
+
+  const controller = new AbortController()
+  const to = setTimeout(() => controller.abort(), TIMEOUT)
+
+  const res = await fetch(reqUri, {
+    method: reqMethod,
+    headers: reqHeaders,
+    body: reqBody,
+    signal: controller.signal,
+  })
+
+  const resStatus = res.status
+  const resHeaders: Record<string, string> = {}
+  res.headers.forEach((value: string, key: string) => {
+    resHeaders[key] = value
+  })
+  const resMimeType = resHeaders['Content-Type'] || resHeaders['content-type']
+  let resBody
+  if (resMimeType) {
+    if (resMimeType.startsWith('application/json')) {
+      resBody = await res.json()
+    } else if (resMimeType.startsWith('text/')) {
+      resBody = await res.text()
+    } else {
+      throw new Error('TODO: non-textual response body')
+    }
+  }
+
+  clearTimeout(to)
+
+  return {
+    status: resStatus,
+    headers: resHeaders,
+    body: resBody,
+  }
+}
diff --git a/src/state/lib/api-polyfill.web.ts b/src/state/lib/api-polyfill.web.ts
new file mode 100644
index 000000000..1469cf905
--- /dev/null
+++ b/src/state/lib/api-polyfill.web.ts
@@ -0,0 +1,4 @@
+export function doPolyfill() {
+  // TODO needed? native fetch may work fine -prf
+  // AtpApi.xrpc.fetch = fetchHandler
+}
diff --git a/src/state/lib/api.ts b/src/state/lib/api.ts
index e498bef1b..c63f0e2f7 100644
--- a/src/state/lib/api.ts
+++ b/src/state/lib/api.ts
@@ -19,10 +19,6 @@ import {Image} from '../../lib/images'
 
 const TIMEOUT = 10e3 // 10s
 
-export function doPolyfill() {
-  AtpApi.xrpc.fetch = fetchHandler
-}
-
 export interface ExternalEmbedDraft {
   uri: string
   isLoading: boolean
@@ -199,74 +195,3 @@ export async function unfollow(store: RootStoreModel, followUri: string) {
     rkey: followUrip.rkey,
   })
 }
-
-interface FetchHandlerResponse {
-  status: number
-  headers: Record<string, string>
-  body: ArrayBuffer | undefined
-}
-
-async function fetchHandler(
-  reqUri: string,
-  reqMethod: string,
-  reqHeaders: Record<string, string>,
-  reqBody: any,
-): Promise<FetchHandlerResponse> {
-  const reqMimeType = reqHeaders['Content-Type'] || reqHeaders['content-type']
-  if (reqMimeType && reqMimeType.startsWith('application/json')) {
-    reqBody = JSON.stringify(reqBody)
-  } else if (
-    typeof reqBody === 'string' &&
-    (reqBody.startsWith('/') || reqBody.startsWith('file:'))
-  ) {
-    if (reqBody.endsWith('.jpeg') || reqBody.endsWith('.jpg')) {
-      // HACK
-      // React native has a bug that inflates the size of jpegs on upload
-      // we get around that by renaming the file ext to .bin
-      // see https://github.com/facebook/react-native/issues/27099
-      // -prf
-      const newPath = reqBody.replace(/\.jpe?g$/, '.bin')
-      await RNFS.moveFile(reqBody, newPath)
-      reqBody = newPath
-    }
-    // NOTE
-    // React native treats bodies with {uri: string} as file uploads to pull from cache
-    // -prf
-    reqBody = {uri: reqBody}
-  }
-
-  const controller = new AbortController()
-  const to = setTimeout(() => controller.abort(), TIMEOUT)
-
-  const res = await fetch(reqUri, {
-    method: reqMethod,
-    headers: reqHeaders,
-    body: reqBody,
-    signal: controller.signal,
-  })
-
-  const resStatus = res.status
-  const resHeaders: Record<string, string> = {}
-  res.headers.forEach((value: string, key: string) => {
-    resHeaders[key] = value
-  })
-  const resMimeType = resHeaders['Content-Type'] || resHeaders['content-type']
-  let resBody
-  if (resMimeType) {
-    if (resMimeType.startsWith('application/json')) {
-      resBody = await res.json()
-    } else if (resMimeType.startsWith('text/')) {
-      resBody = await res.text()
-    } else {
-      throw new Error('TODO: non-textual response body')
-    }
-  }
-
-  clearTimeout(to)
-
-  return {
-    status: resStatus,
-    headers: resHeaders,
-    body: resBody,
-  }
-}
diff --git a/src/state/lib/bg-scheduler.ts b/src/state/lib/bg-scheduler.ts
new file mode 100644
index 000000000..97ccb78b2
--- /dev/null
+++ b/src/state/lib/bg-scheduler.ts
@@ -0,0 +1,18 @@
+import BackgroundFetch, {
+  BackgroundFetchStatus,
+} from 'react-native-background-fetch'
+
+export function configure(
+  handler: (taskId: string) => Promise<void>,
+  timeoutHandler: (taskId: string) => Promise<void>,
+): Promise<BackgroundFetchStatus> {
+  return BackgroundFetch.configure(
+    {minimumFetchInterval: 15},
+    handler,
+    timeoutHandler,
+  )
+}
+
+export function finish(taskId: string) {
+  return BackgroundFetch.finish(taskId)
+}
diff --git a/src/state/lib/bg-scheduler.web.ts b/src/state/lib/bg-scheduler.web.ts
new file mode 100644
index 000000000..91ec9428f
--- /dev/null
+++ b/src/state/lib/bg-scheduler.web.ts
@@ -0,0 +1,13 @@
+type BackgroundFetchStatus = 0 | 1 | 2
+
+export async function configure(
+  _handler: (taskId: string) => Promise<void>,
+  _timeoutHandler: (taskId: string) => Promise<void>,
+): Promise<BackgroundFetchStatus> {
+  // TODO
+  return 0
+}
+
+export function finish(_taskId: string) {
+  // TODO
+}