feat: add types for createRunner

.eslintrc.json

@@ -16,6 +16,7 @@
 			"experimentalObjectRestSpread": true
 		}
 	},
+	"ignorePatterns": ["node_modules/", "types/*.d.ts"],
 	"globals": {
 		"atom": false,
 		"pass": false,

package.json

@@ -4,6 +4,7 @@
   "description": "Run your Atom package tests using Jasmine 3.x",
   "repository": "https://github.com/UziTech/atom-jasmine3-test-runner",
   "main": "index.js",
+  "types": "./types/index.d.ts",
   "atomTestRunner": "./spec/runner",
   "atomTranspilers": [
     {

types/index.d.ts

@@ -0,0 +1,15 @@
+import type { TestRunner } from "atom"
+//@ts-ignore
+import type { Reporter } from "jasmine"
+
+
+/**
+ * Returns a Jasmine3 test runner. The returned value can be exported from your `atomTestRunner` script for Atom to
+ * consume. Both parameters are optional.
+ *
+ * @param options An object specifying customized options
+ * @param optionalConfigurationFunction If provided, atom-jasmine3-test-runner will call this function before jasmine is
+ *   started so you can do whatever you'd like with the global variables. (i.e. add custom matchers, require plugins, etc.)
+ * @returns Returns a test runner created with the given `options` and `callback`.
+ */
+export function createRunner(options?: RunnerOptions, optionalConfigurationFunction?: Function): TestRunner