feat(utils): substitutes memoize w/ cache; cache now takes a getId fu…

…nction to identify state
rafamel · Apr 25, 2019 · d2cc870 · d2cc870
1 parent 029cc30
commit d2cc870
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Showing 4 changed files with 15 additions and 22 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -72,7 +72,6 @@
     "@types/jest": "^24.0.11",
     "@types/js-yaml": "^3.12.1",
     "@types/lodash.mergewith": "^4.6.6",
-    "@types/object-hash": "^1.2.0",
     "@types/pify": "^3.0.2",
     "@types/signal-exit": "^3.0.0",
     "@types/uuid": "^3.4.4",
@@ -126,7 +125,6 @@
     "lodash.mergewith": "^4.6.1",
     "loglevel": "^1.6.1",
     "manage-path": "^2.0.0",
-    "object-hash": "^1.3.1",
     "pify": "^4.0.1",
     "promist": "^0.5.3",
     "signal-exit": "^3.0.2",

diff --git a/src/utils/cache.ts b/src/utils/cache.ts
@@ -0,0 +1,15 @@
+import { IOfType } from '~/types';
+
+export default function cache<T extends Function>(
+  getId: () => string,
+  fn: T
+): T {
+  const store: IOfType<any> = {};
+
+  return function(...args: any[]) {
+    const key = getId();
+    if (store.hasOwnProperty(key)) return store[key];
+
+    return (store[key] = fn(...args));
+  } as any;
+}
diff --git a/src/utils/memoize.ts b/src/utils/memoize.ts