💪 Added typesafe pluck/pick/omit.

src/utils/omit.ts

@@ -0,0 +1,8 @@
+import * as Lodash from 'lodash';
+
+export type Diff<T extends string, U extends string> = ({[P in T]: P } & {[P in U]: never } & { [x: string]: never })[T];
+export type Omit<T, K extends keyof T> = {[P in Diff<keyof T, K>]: T[P]};
+
+export function omit<T, K extends keyof T>(obj: T, keys: K|K[]): Omit<T, K> {
+  return Lodash.omit(obj, keys);
+}

src/utils/pick.ts

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+import * as Lodash from 'lodash';
+
+export function pick<T, K extends keyof T>(obj: T, keys: K | K[]): Pick<T, K> {
+  return Lodash.pick(obj, keys);
+}

src/utils/pluck.ts

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+import * as Lodash from 'lodash';
+
+export function pluck<T, K extends keyof T>(objs: T[], key: K): T[K][] {
+  return Lodash.map(objs, key);
+}