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/util/clamp.js

@@ -1,13 +0,0 @@
-/**
- * The function will ensure a number is above or below given thresholds
- * @param val - a number
- * @param rng - an array of two numbers, a min and a max
- * Ie., in the case of a histogram brush selection:
- * const x0 = x(clamp(selectionRange[0], [min, max]));
- * const x1 = x(clamp(selectionRange[1], [min, max]));
- * @returns a number
- */
-
-export default function clamp(val, rng) {
-  return Math.max(Math.min(val, rng[1]), rng[0]);
-}