Change to match template better

package-lock.json

@@ -1129,6 +1129,12 @@
         "esutils": "^2.0.2"
       }
     },
+    "duplexer": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.2.tgz",
+      "integrity": "sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==",
+      "dev": true
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -1389,6 +1395,21 @@
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
     },
+    "event-stream": {
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+      "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
+      "dev": true,
+      "requires": {
+        "duplexer": "~0.1.1",
+        "from": "~0",
+        "map-stream": "~0.1.0",
+        "pause-stream": "0.0.11",
+        "split": "0.3",
+        "stream-combiner": "~0.0.4",
+        "through": "~2.3.1"
+      }
+    },
     "express": {
       "version": "4.17.1",
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
@@ -1597,6 +1618,12 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
+    "from": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
+      "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4=",
+      "dev": true
+    },
     "fromentries": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/fromentries/-/fromentries-1.3.2.tgz",
@@ -2110,6 +2137,12 @@
       "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
       "dev": true
     },
+    "map-stream": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+      "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
+      "dev": true
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -2267,6 +2300,12 @@
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
       "dev": true
     },
+    "node-cleanup": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/node-cleanup/-/node-cleanup-2.1.2.tgz",
+      "integrity": "sha1-esGavSl+Caf3KnFUXZUbUX5N3iw=",
+      "dev": true
+    },
     "node-preload": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/node-preload/-/node-preload-0.2.1.tgz",
@@ -2565,6 +2604,15 @@
       "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
       "dev": true
     },
+    "pause-stream": {
+      "version": "0.0.11",
+      "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
+      "integrity": "sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=",
+      "dev": true,
+      "requires": {
+        "through": "~2.3"
+      }
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -2642,6 +2690,15 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "ps-tree": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/ps-tree/-/ps-tree-1.2.0.tgz",
+      "integrity": "sha512-0VnamPPYHl4uaU/nSFeZZpR21QAWRz+sRv4iW9+v/GS/J5U5iZB5BNN6J0RMoOvdx2gWM2+ZFMIm58q24e4UYA==",
+      "dev": true,
+      "requires": {
+        "event-stream": "=3.3.4"
+      }
+    },
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
@@ -3215,6 +3272,15 @@
         "which": "^2.0.1"
       }
     },
+    "split": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
+      "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
+      "dev": true,
+      "requires": {
+        "through": "2"
+      }
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -3225,6 +3291,21 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
+    "stream-combiner": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
+      "dev": true,
+      "requires": {
+        "duplexer": "~0.1.1"
+      }
+    },
+    "string-argv": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/string-argv/-/string-argv-0.1.2.tgz",
+      "integrity": "sha512-mBqPGEOMNJKXRo7z0keX0wlAhbBAjilUdPW13nN0PecVryZxdHIeM7TqbsSUA7VYuS00HGC6mojP7DlQzfa9ZA==",
+      "dev": true
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -3363,6 +3444,36 @@
         "yn": "3.1.1"
       }
     },
+    "tsc-watch": {
+      "version": "4.2.9",
+      "resolved": "https://registry.npmjs.org/tsc-watch/-/tsc-watch-4.2.9.tgz",
+      "integrity": "sha512-DlTaoDs74+KUpyWr7dCGhuscAUKCz6CiFduBN7R9RbLJSSN1moWdwoCLASE7+zLgGvV5AwXfYDiEMAsPGaO+Vw==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^7.0.3",
+        "node-cleanup": "^2.1.2",
+        "ps-tree": "^1.2.0",
+        "string-argv": "^0.1.1",
+        "strip-ansi": "^6.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
+          "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
+          "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^5.0.0"
+          }
+        }
+      }
+    },
     "tslib": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",

package.json

@@ -4,7 +4,9 @@
   "description": "Technical interview with check24",
   "main": "out/index.ts",
   "scripts": {
-    "test": "nyc mocha -r ts-node/register ./test/**/*.ts"
+    "test": "nyc mocha -r ts-node/register ./test/**/*.ts",
+    "build": "tsc",
+    "debug": "tsc-watch"
   },
   "repository": {
     "type": "git",
@@ -31,6 +33,7 @@
     "eslint-plugin-promise": "^4.2.1",
     "rewire": "^5.0.0",
     "ts-node": "^9.1.0",
+    "tsc-watch": "^4.2.9",
     "typescript": "^4.1.2"
   }
 }

src/index.ts

@@ -1,5 +1,5 @@
-export function main(): string {
+export class SampleClass {
-  return 'Hello World';
+  add(a: number, b: number): number {
+    return a+b;
+  }
 }
-
-main();

test/index.ts

@@ -1,9 +1,16 @@
 import {expect} from 'chai';
-import {main} from '../src';
+import {SampleClass} from '../src';
 
 describe('index', () => {
   it('main', () => {
-    const res = main();
+    const cls = new SampleClass();
-    expect(res).to.be.deep.equal('Hello World');
+    const cases: [number, number, unknown][] = [
+      [2, 3, 5],
+      [2, 0, 2],
+      [500, -10, 490],
+    ];
+    for (const [a, b, res] of cases) {
+      expect(cls.add(a, b)).to.be.deep.equal(res);
+    }
   });
 });