feat: added diff to take the difference

BREAKING CHANGE: switch to semantic-release CI/CD pipeline
Moved away from publish-please to a fully automated build-test-deploy release cycle based on semantic-release.

src/index.ts

@@ -4,3 +4,10 @@
 export function sum(a: number, b: number) {
     return a + b;
 }
+
+/**
+ * Returns the difference of `a` and `b`
+ */
+export function diff(a: number, b: number) {
+    return a - b;
+}

test/integration/chrome.test.ts

@@ -11,6 +11,7 @@ describe('workflow-playground [INTEGRATION-CHROME]', () => {
                 await run(`${__dirname}/../../${main}.js`);
                 expect(await page.evaluate(() => Object.keys(window))).toIncludeAllMembers([
                     'sum',
+                    'diff',
                 ]);
             }
         });
@@ -24,6 +25,7 @@ describe('workflow-playground [INTEGRATION-CHROME]', () => {
                 await run(`${__dirname}/../../${main}.js`);
 
                 expect(await page.evaluate(() => (window as any).sum(1, 2))).toBe(3);
+                expect(await page.evaluate(() => (window as any).diff(1, 2))).toBe(-1);
             }
         });
     });

test/integration/node.test.ts

@@ -7,18 +7,21 @@ describe('workflow-playground [INTEGRATION-NODE]', () => {
 
         const {
             sum,
+            diff,
             ...rest
         } = await import(`${__dirname}/../../${main}.js`);
 
         expect(sum).toBeDefined();
+        expect(diff).toBeDefined();
         expect(rest).toBeEmpty();
     });
 
     it('should sum properly', async () => {
         expect.hasAssertions();
 
-        const { sum } = await import(`${__dirname}/../../${main}.js`);
+        const { sum, diff } = await import(`${__dirname}/../../${main}.js`);
 
         expect(sum(1, 2)).toBe(3);
+        expect(diff(1, 2)).toBe(-1);
     });
 });

test/unit-index.test.ts

@@ -1,5 +1,6 @@
 import {
-    sum
+    sum,
+    diff,
 } from '../src/index'
 
 describe('workflow-playground [UNIT]', () => {
@@ -9,4 +10,10 @@ describe('workflow-playground [UNIT]', () => {
             expect(sum(2, 2)).toBe(4);
         });
     });
+    describe('::diff', () => {
+        it('takes the difference as expected', async () => {
+            expect.hasAssertions();
+            expect(diff(2, 2)).toBe(0);
+        });
+    });
 });