@bonniernews/wichita - npm Package Compare versions

Comparing version 0.1.0 to 0.2.0

index.js

@@ -6,5 +6,5 @@ "use strict";
 const {name, version} = require("./package.json");
-const {dirname, extname, join, resolve: resolvePath} = require("path");
+const {dirname, extname, join, resolve: resolvePath, isAbsolute} = require("path");
 
-module.exports = function Scripts(sourcePath) {
+module.exports = function Scripts(sourcePath, options) {
   if (!("SourceTextModule" in vm)) throw new Error("No SourceTextModule in vm, try using node --experimental-vm-modules flag");
@@ -18,5 +18,15 @@
     calledFrom,
-    run(browser) {
-      return runScripts(browser, fullPath);
+    run(globalContext) {
+      return runScripts(globalContext, fullPath, options);
     },
+    execute(globalContext, testFn) {
+      return runScripts(globalContext, fullPath, {...options, initializeImportMeta}, `
+import * as Module from "${fullPath}";
+import.meta.export(Module)
+      `);
+
+      function initializeImportMeta(meta) {
+        meta.export = testFn;
+      }
+    },
   };
@@ -26,2 +36,3 @@ };
 function getFullPath(sourcePath, calledFrom) {
+  if (isAbsolute(sourcePath)) return sourcePath;
   const isRelativePath = /^\.{1,2}[/\\]?/.test(sourcePath);
@@ -55,16 +66,35 @@ const resolvedPath = !isRelativePath && getModulePath(sourcePath);
 
-async function runScripts(globalContext, mainPath, options = {}) {
+async function runScripts(globalContext, mainPath, options = {}, testScript) {
   const cache = {};
+  const {initializeImportMeta} = options;
 
   const vmContext = vm.createContext(globalContext, {
     name: `${name} v${version}`,
-    ...options
+    ...options,
   });
 
-  const main = await loadScript(mainPath, vmContext);
+  let mainModule;
+  if (testScript) {
+    mainModule = new vm.SourceTextModule(testScript, {
+      url: `file://${mainPath}`,
+      context: vmContext,
+      initializeImportMeta,
+    });
 
-  await main.instantiate();
+    await mainModule.link(linker);
 
-  return main.evaluate();
+  } else {
+    mainModule = await loadScript(mainPath, vmContext);
+  }
 
+  await mainModule.instantiate();
+
+  return mainModule.evaluate().then((result) => {
+    return {
+      ...result,
+      module: mainModule,
+      context: vmContext,
+    };
+  });
+
   async function loadScript(scriptPath, context) {
@@ -76,2 +106,3 @@ const scriptSource = await readScript(scriptPath);
       context,
+      initializeImportMeta
     });
@@ -88,2 +119,3 @@
 
+
     if (cache[scriptPath]) {
@@ -90,0 +122,0 @@ return cache[scriptPath];

package.json

 {
   "name": "@bonniernews/wichita",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Run your es6 modules with imports in a vm sandbox",
@@ -5,0 +5,0 @@ "main": "index.js",

README.md

@@ -27,3 +27,7 @@ Wichita - Tallahassee sidekick
   - `globalContext`: required object that will be converted into a sandbox
+- `execute(globalContext, callback)`: execute module function
+  - `globalContext`: required object that will be converted into a sandbox
+  - `callback`: function that returns module as argument, `callback(es6module)`
 
+Run script:
 ```js
@@ -38,2 +42,15 @@ const source = Script("./resources/main");
 
+Execute module:
+```js
+const source = Script("./resources/lib/module");
+source.execute({
+  setTimeout() {},
+  console,
+  window: {},
+}, (module) => {
+  module.default(1);
+  module.justReturn(2);
+})
+```
+
 ### Example
@@ -79,3 +96,23 @@
   });
+
+  it("executes module function", async () => {
+    const source = Script("./resources/lib/module");
+
+    const context = {
+      window: {
+        root: true,
+      },
+      console,
+    };
+
+    let called;
+
+    await source.execute(context, (module) => {
+      called = true;
+      assert.equal(module.justReturn(1), 1);
+    });
+
+    assert.ok(called);
+  });
 });
 ```

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Improved metrics

Total package byte prevSize

8448

increased by23.78%

Lines of code

114

increased by32.56%

Number of lines in readme file

116

increased by46.84%

No dependency changes