lodash cleanup (#747)

* add own range() function

* lodash cleanup

* remove redundant fill range implementations

* remove use of _.get

* sync test babel config with build

* update tests to match new range implementation

client/__tests__/util/range.test.js

@@ -0,0 +1,42 @@
+import { range, rangeFill } from "../../src/util/range";
+
+describe("range", () => {
+	test("no defaults", () => {
+		expect(range(0, 3, 1)).toMatchObject([0, 1, 2]);
+	});
+
+	test("range(stop)", () => {
+		expect(range(3)).toMatchObject([0, 1, 2]);
+		expect(range(0)).toMatchObject([]);
+		expect(range(1)).toMatchObject([0]);
+	});
+
+	test("range(start,stop)", () => {
+		expect(range(0, 0)).toMatchObject([]);
+		expect(range(0, 2)).toMatchObject([0, 1]);
+		expect(range(4, 8)).toMatchObject([4, 5, 6, 7]);
+	});
+
+	test("range(start, stop, step", () => {
+		expect(range(4, 0, -1)).toMatchObject([4, 3, 2, 1]);
+		expect(range(0, 4, 2)).toMatchObject([0, 2]);
+	});
+});
+
+describe("rangefill", () => {
+	test("rangeFill(arr)", () => {
+		expect(rangeFill(new Int32Array(3))).toMatchObject(
+			new Int32Array([0, 1, 2])
+		);
+	});
+	test("rangeFill(arr, start)", () => {
+		expect(rangeFill(new Int32Array(2), 1)).toMatchObject(
+			new Int32Array([1, 2])
+		);
+	});
+	test("rangeFill(arr, start, step)", () => {
+		expect(rangeFill(new Int32Array(3), 2, -1)).toMatchObject(
+			new Int32Array([2, 1, 0])
+		);
+	});
+});

client/__tests__/util/typedCrossfilter/util.test.js

@@ -1,8 +1,8 @@
 import {
-  fillRange,
   sliceByIndex,
   makeSortIndex
 } from "../../../src/util/typedCrossfilter/util";
+import { rangeFill as fillRange } from "../../../src/util/range";
 
 describe("fillRange", () => {
   test("Array", () => {