Code shuffle

Summary:
Moved a lot of utility logic in separate files for Android and iOS, to make cleanup in next diffs easier by having a bit smaller files.

Purely a code shuffle, no functional changes

Reviewed By: passy

Differential Revision: D28102399

fbshipit-source-id: 2fd8f6669bdd2804fa8a7e1791c610ae7883eda6

desktop/plugins/public/crash_reporter/crash-utils.tsx

@@ -0,0 +1,48 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import unicodeSubstring from 'unicode-substring';
+import type {CrashLog} from './index';
+import {parseAndroidCrash} from './android-crash-utils';
+import {parseIosCrash} from './ios-crash-utils';
+
+export const UNKNOWN_CRASH_REASON = 'Cannot figure out the cause';
+
+export function parseCrashLog(
+  content: string,
+  os: string,
+  logDate?: Date,
+): CrashLog {
+  const fallbackReason = UNKNOWN_CRASH_REASON;
+  switch (os) {
+    case 'iOS': {
+      return parseIosCrash(content, fallbackReason, logDate);
+    }
+    case 'Android': {
+      return parseAndroidCrash(content, fallbackReason, logDate);
+    }
+    default: {
+      throw new Error('Unsupported OS');
+    }
+  }
+}
+
+export function truncate(baseString: string, numOfChars: number): string {
+  if (baseString.length <= numOfChars) {
+    return baseString;
+  }
+  const truncated_string = unicodeSubstring(baseString, 0, numOfChars - 1);
+  return truncated_string + '\u2026';
+}
+
+export function trimCallStackIfPossible(callstack: string): string {
+  const regex = /Application Specific Information:/;
+  const query = regex.exec(callstack);
+  return query ? callstack.substring(0, query.index) : callstack;
+}