feat: migrate to esm

packages/collection-utils/test/group-by.spec.ts

@@ -12,113 +12,113 @@
  *  You should have received a copy of the GNU General Public License along with
  *  this program. If not, see <https://www.gnu.org/licenses/>.
  */
-import {groupBy, groupByStable, groupByProperty} from '../src/group-by';
-import {expect} from "chai";
+import { groupBy, groupByStable, groupByProperty } from "../src/group-by.js";
+import { expect } from "chai";
 
-describe('groupBy', () => {
-  it('should group an array by a key', () => {
+describe("groupBy", () => {
+  it("should group an array by a key", () => {
     const array = [
-      {id: 1, name: 'one'},
-      {id: 2, name: 'two'},
-      {id: 3, name: 'three'},
-      {id: 4, name: 'four'},
-      {id: 5, name: 'five'},
+      { id: 1, name: "one" },
+      { id: 2, name: "two" },
+      { id: 3, name: "three" },
+      { id: 4, name: "four" },
+      { id: 5, name: "five" },
     ];
 
-    const result = groupBy(array, it => it.name);
+    const result = groupBy(array, (it) => it.name);
 
     expect(result).to.deep.equal({
-      one: [{id: 1, name: 'one'}],
-      two: [{id: 2, name: 'two'}],
-      three: [{id: 3, name: 'three'}],
-      four: [{id: 4, name: 'four'}],
-      five: [{id: 5, name: 'five'}],
+      one: [{ id: 1, name: "one" }],
+      two: [{ id: 2, name: "two" }],
+      three: [{ id: 3, name: "three" }],
+      four: [{ id: 4, name: "four" }],
+      five: [{ id: 5, name: "five" }],
     });
   });
 
-  it('should handle multiple elements per group', () => {
+  it("should handle multiple elements per group", () => {
     const array = [
-      {id: 1, name: 'one'},
-      {id: 2, name: 'two'},
-      {id: 3, name: 'three'},
-      {id: 4, name: 'four'},
-      {id: 5, name: 'five'},
-      {id: 6, name: 'one'},
-      {id: 7, name: 'two'},
-      {id: 8, name: 'three'},
-      {id: 9, name: 'four'},
-      {id: 10, name: 'five'},
+      { id: 1, name: "one" },
+      { id: 2, name: "two" },
+      { id: 3, name: "three" },
+      { id: 4, name: "four" },
+      { id: 5, name: "five" },
+      { id: 6, name: "one" },
+      { id: 7, name: "two" },
+      { id: 8, name: "three" },
+      { id: 9, name: "four" },
+      { id: 10, name: "five" },
     ];
 
-    const result = groupBy(array, it => it.name);
+    const result = groupBy(array, (it) => it.name);
 
     expect(result).to.deep.equal({
       one: [
-        {id: 1, name: 'one'},
-        {id: 6, name: 'one'},
+        { id: 1, name: "one" },
+        { id: 6, name: "one" },
       ],
       two: [
-        {id: 2, name: 'two'},
-        {id: 7, name: 'two'},
+        { id: 2, name: "two" },
+        { id: 7, name: "two" },
       ],
       three: [
-        {id: 3, name: 'three'},
-        {id: 8, name: 'three'},
+        { id: 3, name: "three" },
+        { id: 8, name: "three" },
       ],
       four: [
-        {id: 4, name: 'four'},
-        {id: 9, name: 'four'},
+        { id: 4, name: "four" },
+        { id: 9, name: "four" },
       ],
       five: [
-        {id: 5, name: 'five'},
-        {id: 10, name: 'five'},
+        { id: 5, name: "five" },
+        { id: 10, name: "five" },
       ],
     });
   });
 });
 
-describe('groupByStable', () => {
+describe("groupByStable", () => {
   const array = [
-    {id: 2, name: 'two'},
-    {id: 4, name: 'three'},
-    {id: 3, name: 'three'},
-    {id: 1, name: 'one'},
+    { id: 2, name: "two" },
+    { id: 4, name: "three" },
+    { id: 3, name: "three" },
+    { id: 1, name: "one" },
   ];
-  const result = groupByStable(array, it => it.name);
+  const result = groupByStable(array, (it) => it.name);
 
-  it('should group an array by keys', () => {
-    expect(result.get('one')).to.deep.equal([{id: 1, name: 'one'}]);
-    expect(result.get('two')).to.deep.equal([{id: 2, name: 'two'}]);
-    expect(result.get('three')).to.deep.equal([
-      {id: 4, name: 'three'},
-      {id: 3, name: 'three'},
+  it("should group an array by keys", () => {
+    expect(result.get("one")).to.deep.equal([{ id: 1, name: "one" }]);
+    expect(result.get("two")).to.deep.equal([{ id: 2, name: "two" }]);
+    expect(result.get("three")).to.deep.equal([
+      { id: 4, name: "three" },
+      { id: 3, name: "three" },
     ]);
   });
 
-  it('should provide ordered keys', () => {
+  it("should provide ordered keys", () => {
     // eslint-disable-next-line unicorn/prefer-spread
-    expect(Array.from(result.keys())).to.deep.equal(['two', 'three', 'one']);
+    expect(Array.from(result.keys())).to.deep.equal(["two", "three", "one"]);
   });
 });
 
-describe('groupByProperty', function () {
-  it('should group by property', () => {
+describe("groupByProperty", function () {
+  it("should group by property", () => {
     const array = [
-      {id: 1, name: 'one'},
-      {id: 2, name: 'two'},
-      {id: 3, name: 'three'},
-      {id: 4, name: 'four'},
-      {id: 5, name: 'five'},
+      { id: 1, name: "one" },
+      { id: 2, name: "two" },
+      { id: 3, name: "three" },
+      { id: 4, name: "four" },
+      { id: 5, name: "five" },
     ];
 
-    const result = groupByProperty(array, 'name');
+    const result = groupByProperty(array, "name");
 
     expect(result).to.deep.equal({
-      one: [{id: 1, name: 'one'}],
-      two: [{id: 2, name: 'two'}],
-      three: [{id: 3, name: 'three'}],
-      four: [{id: 4, name: 'four'}],
-      five: [{id: 5, name: 'five'}],
+      one: [{ id: 1, name: "one" }],
+      two: [{ id: 2, name: "two" }],
+      three: [{ id: 3, name: "three" }],
+      four: [{ id: 4, name: "four" }],
+      five: [{ id: 5, name: "five" }],
     });
   });
 });