set up e2e test

.eslintignore

@@ -0,0 +1 @@
+dist

cypress.json

@@ -0,0 +1,4 @@
+{
+  "screenshotOnRunFailure": false,
+  "video": false
+}

cypress/integration/basic.spec.ts

@@ -0,0 +1,5 @@
+/// <reference path="../support/index.d.ts" />
+
+it("works", () => {
+  cy.qes().should("eq", 2);
+});

cypress/plugins/index.ts

@@ -0,0 +1,22 @@
+/// <reference types="cypress" />
+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+/**
+ * @type {Cypress.PluginConfig}
+ */
+// eslint-disable-next-line no-unused-vars
+module.exports = (on, config) => {
+  // `on` is used to hook into various events Cypress emits
+  // `config` is the resolved Cypress config
+};

cypress/support/commands.ts

@@ -0,0 +1,37 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })
+
+Cypress.Commands.add("qes", (input) => {
+  cy.visit("./e2e/index.html", {
+    onBeforeLoad:
+      typeof input !== "undefined"
+        ? (win) => {
+            win.QES_INPUT = input;
+          }
+        : undefined,
+  });
+  return cy.window().its("QES_OUTPUT");
+});

cypress/support/index.d.ts

@@ -0,0 +1,12 @@
+/// <reference types="cypress" />
+
+declare namespace Cypress {
+  interface Chainable {
+    qes(input?: any): Chainable<any>;
+  }
+
+  interface ApplicationWindow {
+    QES_INPUT?: any;
+    QES_OUTPUT?: any;
+  }
+}

cypress/support/index.ts

@@ -0,0 +1,20 @@
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import "./commands";
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')

e2e/index.html

@@ -0,0 +1 @@
+<script src="./dist/qes-e2e.umd.development.js"></script>

e2e/index.ts

@@ -0,0 +1,15 @@
+import { getQuickJS } from "quickjs-emscripten";
+declare global {
+  interface Window {
+    QES_INPUT?: any;
+    QES_OUTPUT?: any;
+  }
+}
+
+async function main() {
+  const quickjs = await getQuickJS();
+  const result = quickjs.evalCode("1 + 1");
+  window.QES_OUTPUT = result;
+}
+
+main();

e2e/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "qes-e2e",
+  "author": "rot1024",
+  "private": true,
+  "scripts": {
+    "build": "tsdx build --entry index.ts --format umd"
+  }
+}

e2e/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../tsconfig.json",
+  "include": [
+    "."
+  ],
+  "exclude": [
+    "dist"
+  ],
+  "compilerOptions": {
+    "rootDir": "."
+  }
+}

e2e/tsdx.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  rollup(config) {
+    // https://github.com/formium/tsdx/issues/179
+    if (config.output.format === 'umd') {
+      delete config.external;
+    }
+    return config;
+  }
+}

package.json

@@ -19,9 +19,13 @@
     "lint": "tsdx lint",
     "prepare": "tsdx build",
     "size": "size-limit",
-    "analyze": "size-limit --why"
+    "analyze": "size-limit --why",
+    "e2e:build": "yarn --cwd e2e run build",
+    "e2e:test": "cypress run"
+  },
+  "peerDependencies": {
+    "quickjs-emscripten": "*"
   },
-  "peerDependencies": {},
   "husky": {
     "hooks": {
       "pre-commit": "tsdx lint"
@@ -46,7 +50,9 @@
   ],
   "devDependencies": {
     "@size-limit/preset-small-lib": "^4.10.2",
+    "cypress": "^6.8.0",
     "husky": "^6.0.0",
+    "quickjs-emscripten": "^0.11.0",
     "size-limit": "^4.10.2",
     "tsdx": "^0.14.1",
     "tslib": "^2.1.0",

tsconfig.json

@@ -1,9 +1,15 @@
 {
   // see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
-  "include": ["src", "types"],
+  "include": [
+    "src",
+    "types"
+  ],
   "compilerOptions": {
     "module": "esnext",
-    "lib": ["dom", "esnext"],
+    "lib": [
+      "dom",
+      "esnext"
+    ],
     "importHelpers": true,
     // output .d.ts declaration files for consumers
     "declaration": true,
@@ -31,5 +37,7 @@
     "forceConsistentCasingInFileNames": true,
     // `tsdx build` ignores this option, but it is commonly used when type-checking separately with `tsc`
     "noEmit": true,
+    // suppress warning in Cypress
+    "baseUrl": "./src"
   }
 }