Added test commands

Author: Cole J Calamos

.gitignore

@@ -4,3 +4,4 @@ package-lock.json
 node_modules
 !index.d.ts
 *.log
+!jest.config.js

.npmignore

@@ -34,3 +34,4 @@ decls
 examples
 *.ts
 .github
+!jest.config.js

CHANGELOG.md

@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.3.0] - 2020-06-23
+
+Initial Jest Setup
+
+### Added
+
+- Added jest config files
+- Added test script
+
 ## [1.2.0 - 1.2.3] - 2020-06-23
 
 Updated workflows to publish to GitHub Packages Repo.

jest.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+    preset: "ts-jest",
+    testEnvironment: "node",
+};

package.json

@@ -1,7 +1,7 @@
 {
     "name": "@ccalamos/gatsby-source-googlemaps-static",
     "description": "Gatsby source plugin for Google Maps Static API",
-    "version": "1.2.3",
+    "version": "1.3.0",
     "author": "Cole Calamos <cole@colejcalamos.com>",
     "bugs": {
         "url": "https://github.com/ccalamos/gatsby-source-googlemaps-static/issues"
@@ -23,13 +23,14 @@
     "license": "MIT",
     "devDependencies": {
         "@babel/cli": "^7.0.0",
-        "@babel/core": "^7.0.1",
+        "@babel/core": "^7.10.3",
         "@babel/node": "^7.0.0-beta.54",
         "@babel/plugin-proposal-class-properties": "^7.8.3",
         "@babel/plugin-proposal-object-rest-spread": "^7.8.3",
-        "@babel/preset-env": "^7.9.6",
-        "@babel/preset-typescript": "^7.8.3",
+        "@babel/preset-env": "^7.10.3",
+        "@babel/preset-typescript": "^7.10.1",
         "@types/fs-extra": "^9.0.1",
+        "@types/jest": "^26.0.0",
         "@types/node": "^14.0.13",
         "@typescript-eslint/eslint-plugin": "^3.3.0",
         "@typescript-eslint/parser": "^3.3.0",
@@ -38,7 +39,9 @@
         "eslint": "^7.2.0",
         "eslint-config-prettier": "^6.11.0",
         "gatsby": "^2.2.0",
+        "jest": "^26.1.0",
         "prettier": "^2.0.5",
+        "ts-jest": "^26.1.1",
         "typescript": "^3.9.5"
     },
     "dependencies": {
@@ -53,6 +56,7 @@
         "format": "prettier --write \"{,!(node_modules)/**/}*.ts\"",
         "clean": "rm *.js",
         "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
+        "test": "jest",
         "typecheck": "tsc --skipLibCheck --noEmit",
         "prepublishOnly": "cross-env NODE_ENV=production yarn run clean; cross-env NODE_ENV=production yarn run build"
     },

src/__tests__/static-map.test.js

@@ -0,0 +1,5 @@
+const { isMainThread } = require("worker_threads");
+
+it("Jest is setup correctly", () => {
+    expect(true).toEqual(true);
+});