Move app/src (mostly) to flipper-ui-core/src

Summary:
This diff moves all UI code from app/src to app/flipper-ui-core. That is now slightly too much (e.g. node deps are not removed yet), but from here it should be easier to move things out again, as I don't want this diff to be open for too long to avoid too much merge conflicts.

* But at least flipper-ui-core is Electron free :)
* Killed all cross module imports as well, as they where now even more in the way
* Some unit test needed some changes, most not too big (but emotion hashes got renumbered in the snapshots, feel free to ignore that)
* Found some files that were actually meaningless (tsconfig in plugins, WatchTools files, that start generating compile errors, removed those

Follow up work:
* make flipper-ui-core configurable, and wire up flipper-server-core in Electron instead of here
* remove node deps (aigoncharov)
* figure out correct place to load GKs, plugins, make intern requests etc., and move to the correct module
* clean up deps

Reviewed By: aigoncharov

Differential Revision: D32427722

fbshipit-source-id: 14fe92e1ceb15b9dcf7bece367c8ab92df927a70

desktop/flipper-ui-core/src/utils/runHealthchecks.tsx

@@ -0,0 +1,118 @@
+/**
+ * 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 {HealthcheckResult} from '../reducers/healthchecks';
+import {getHealthchecks, getEnvInfo, Healthchecks} from 'flipper-doctor';
+import {logPlatformSuccessRate, reportPlatformFailures} from 'flipper-common';
+
+let healthcheckIsRunning: boolean;
+let runningHealthcheck: Promise<void>;
+
+export type HealthcheckEventsHandler = {
+  updateHealthcheckResult: (
+    categoryKey: string,
+    itemKey: string,
+    result: HealthcheckResult,
+  ) => void;
+  startHealthchecks: (healthchecks: Healthchecks) => void;
+  finishHealthchecks: () => void;
+};
+
+export type HealthcheckSettings = {
+  settings: {
+    enableAndroid: boolean;
+    enableIOS: boolean;
+    enablePhysicalIOS: boolean;
+    idbPath: string;
+  };
+};
+
+export type HealthcheckOptions = HealthcheckEventsHandler & HealthcheckSettings;
+
+async function launchHealthchecks(options: HealthcheckOptions): Promise<void> {
+  const healthchecks = getHealthchecks();
+  if (!options.settings.enableAndroid) {
+    healthchecks.android = {
+      label: healthchecks.android.label,
+      isSkipped: true,
+      skipReason:
+        'Healthcheck is skipped, because "Android Development" option is disabled in the Flipper settings',
+    };
+  }
+  if (!options.settings.enableIOS) {
+    healthchecks.ios = {
+      label: healthchecks.ios.label,
+      isSkipped: true,
+      skipReason:
+        'Healthcheck is skipped, because "iOS Development" option is disabled in the Flipper settings',
+    };
+  }
+  options.startHealthchecks(healthchecks);
+  const environmentInfo = await getEnvInfo();
+  let hasProblems = false;
+  for (const [categoryKey, category] of Object.entries(healthchecks)) {
+    if (category.isSkipped) {
+      continue;
+    }
+    for (const h of category.healthchecks) {
+      const checkResult = await h.run(environmentInfo, options.settings);
+      const metricName = `doctor:${h.key.replace('.', ':')}.healthcheck`; // e.g. "doctor:ios:xcode-select.healthcheck"
+      if (checkResult.hasProblem) {
+        hasProblems = true;
+        logPlatformSuccessRate(metricName, {
+          kind: 'failure',
+          supportedOperation: true,
+          error: null,
+        });
+      } else {
+        logPlatformSuccessRate(metricName, {
+          kind: 'success',
+        });
+      }
+      const result: HealthcheckResult =
+        checkResult.hasProblem && h.isRequired
+          ? {
+              status: 'FAILED',
+              message: checkResult.message,
+            }
+          : checkResult.hasProblem && !h.isRequired
+          ? {
+              status: 'WARNING',
+              message: checkResult.message,
+            }
+          : {status: 'SUCCESS', message: checkResult.message};
+      options.updateHealthcheckResult(categoryKey, h.key, result);
+    }
+  }
+  options.finishHealthchecks();
+  if (hasProblems) {
+    logPlatformSuccessRate('doctor.healthcheck', {
+      kind: 'failure',
+      supportedOperation: true,
+      error: null,
+    });
+  } else {
+    logPlatformSuccessRate('doctor.healthcheck', {
+      kind: 'success',
+    });
+  }
+}
+
+export default async function runHealthchecks(
+  options: HealthcheckOptions,
+): Promise<void> {
+  if (healthcheckIsRunning) {
+    return runningHealthcheck;
+  }
+  runningHealthcheck = reportPlatformFailures(
+    launchHealthchecks(options),
+    'doctor:runHealthchecks',
+  );
+  return runningHealthcheck;
+}