TS Revert (1) (#2402)

* revert all commits to before Typescript migration * update compat workflow to match latest deps (#2335) * update compat workflow to match latest deps * attempt to debug * attempt to debug * remove debugging code * typo * update deps to match desktop (#2340) * fix: don't run lint with `--fix` on push tests (#2273) * fix: don't run lint with `--fix` on push tests * npx Co-authored-by: maniarathi <mani.arathi@gmail.com> Co-authored-by: Madison Dunitz <madison.dunitz@chanzuckerberg.com> * rename X_approx_distribution to X_approximate_distribution (#2337) * Correctly handle non-finite numbers in heuristic determination of X distribution (#2342) * handle non-finites explicitly * improve and test edge case handling for distribution estimation * revert debugging changes * code readability * clean up type inferencing (#2332) * unit tests for 64 bit conversion * clean up type handling * type inference tests * more type inference fixes * use schema to determine user intent for data typing * stop using deprecated API * fbs type encoding test * add missing test * add more tests * correctly infer X type for CXG adaptor * lint * fix typo * ts migration * cleanup from PR review * lint * PR review changes * remove unused packages from client (#2359) * remove unused packages from client * add missing peer dep * fix: disable FE auth testing on compatibility tests (#2377) * update: release process (#2277) Co-authored-by: maniarathi <mani.arathi@gmail.com> * fix: remove spaces in param setup (#2380) * delete deploy workflow (#2396) * undo reformatting which now does not pass lint * fix snapshots which changed due to npm dep changes * add missing quoting to snapshot * another snapshot typo fix * TS Revert (2) - replay PR #2347 and #2354 (#2403) * replay edits from PR 2347 * TS Revert (3) - replay edits in PR #2327 (#2404) * replay edits in PR 2327 * TS Revert (4) - replay PR #2355 (#2405) * replay edits in PR 2355 * add additional babel config * reformat with new prettier config Co-authored-by: Severiano Badajoz <sbadajoz@chanzuckerberg.com> Co-authored-by: maniarathi <mani.arathi@gmail.com> Co-authored-by: Madison Dunitz <madison.dunitz@chanzuckerberg.com>
2026-09-24 19:08:12 +08:00 · 2021-08-23 15:01:36 -07:00
parent 295590a7c6
commit eaae6df5e3
253 changed files with 11175 additions and 22271 deletions
@@ -0,0 +1,64 @@
+/*
+Private utility code for dataframe
+*/
+
+export { isTypedArray, isArrayOrTypedArray } from "../typeHelpers";
+
+export function callOnceLazy(f) {
+  /*
+  call function once, and save the result, regardless of arguments (this is not
+  the same as typical memoization).
+  */
+  let value;
+  let calledOnce = false;
+  const result = function result(...args) {
+    if (!calledOnce) {
+      value = f(...args);
+      calledOnce = true;
+    }
+    return value;
+  };
+  return result;
+}
+
+export function memoize(fn, hashFn, maxResultsCached = -1) {
+  /* 
+  function memoization, with user-provided hash.  hashFn must return a
+  key which will be unique as a Map key (ie, obeys "sameValueZero" algorithm
+  as defined in the JS spec).  For more info on hash key, see:
+  https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Key_equality
+  */
+  const cache = new Map();
+  const wrap = function wrap(...args) {
+    const key = hashFn(...args);
+    if (cache.has(key)) {
+      return cache.get(key);
+    }
+    const result = fn(...args);
+    cache.set(key, result);
+
+    if (maxResultsCached > -1 && cache.size > maxResultsCached) {
+      /* Least recent insertion deletion */
+      cache.delete(cache.keys().next().value);
+    }
+
+    return result;
+  };
+
+  wrap.clear = function clear() {
+    /* clear memoization cache */
+    cache.clear();
+  };
+
+  return wrap;
+}
+
+/**
+memoization helpers - just a global counter.
+**/
+let __DataframeMemoId__ = 0;
+export function __getMemoId() {
+  const id = __DataframeMemoId__;
+  __DataframeMemoId__ += 1;
+  return id;
+}