TS migration. #2288. (#2328)

* Added TS. Updated build and linting config. Added types.

* [ts-migrate][.] Rename files from JS/JSX to TS/TSX

Co-authored-by: ts-migrate <>

* [ts-migrate][.] Run TS Migrate

Co-authored-by: ts-migrate <>

* Corrected files mangled by ts-migrate.

* Updated lint config, minor linting.

* Re-enabled Husky.

* Updated tests and config.

* Reverted webpack devtool config.

* Removed obsolete snapshots.

* Added annotations snap.

* Updated tsconfig includes wrt linting.

* Removed ts-migrate.

Co-authored-by: Timmy Huang <tihuan@users.noreply.github.com>

client/src/actions/embedding.js

@@ -1,51 +0,0 @@
-/*
-action creators related to embeddings choice
-*/
-
-import { AnnoMatrixObsCrossfilter } from "../annoMatrix";
-import { _setEmbeddingSubset } from "../util/stateManager/viewStackHelpers";
-
-export async function _switchEmbedding(
-  prevAnnoMatrix,
-  prevCrossfilter,
-  newEmbeddingName
-) {
-  /*
-  DRY helper used by embedding action creators
-  */
-  const base = prevAnnoMatrix.base();
-  const embeddingDf = await base.fetch("emb", newEmbeddingName);
-  const annoMatrix = _setEmbeddingSubset(prevAnnoMatrix, embeddingDf);
-  const obsCrossfilter = await new AnnoMatrixObsCrossfilter(
-    annoMatrix,
-    prevCrossfilter.obsCrossfilter
-  ).select("emb", newEmbeddingName, {
-    mode: "all",
-  });
-  return [annoMatrix, obsCrossfilter];
-}
-
-export const layoutChoiceAction = (newLayoutChoice) => async (
-  dispatch,
-  getState
-) => {
-  /*
-  On layout choice, make sure we have selected all on the previous layout, AND the new
-  layout.
-  */
-  const {
-    annoMatrix: prevAnnoMatrix,
-    obsCrossfilter: prevCrossfilter,
-  } = getState();
-  const [annoMatrix, obsCrossfilter] = await _switchEmbedding(
-    prevAnnoMatrix,
-    prevCrossfilter,
-    newLayoutChoice
-  );
-  dispatch({
-    type: "set layout choice",
-    layoutChoice: newLayoutChoice,
-    obsCrossfilter,
-    annoMatrix,
-  });
-};