Expose the "version" field of package.json files at runtime.

tools/isobuild/import-scanner.js

@@ -449,6 +449,7 @@ export default class ImportScanner {
         // Output a JS module that exports just the "name" and "main"
         // properties defined in the package.json file.
         "exports.name = " + JSON.stringify(pkg.name) + ";\n" +
+        "exports.version = " + JSON.stringify(pkg.version) + ";\n" +
         "exports.main = " + JSON.stringify(pkg.main) + ";\n"
       );
 

tools/tests/apps/modules/package.json

@@ -4,7 +4,7 @@
   "description": "Test app exercising many aspects of the Meteor module system.",
   "private": true,
   "dependencies": {
-    "moment": "^2.11.1",
+    "moment": "2.11.1",
     "regenerator": "^0.8.42"
   },
   "scripts": {

tools/tests/apps/modules/tests.js

@@ -121,6 +121,11 @@ describe("local node_modules", () => {
     // Defined in packages/modules-test-package/common.js.
     assert.strictEqual(typeof regeneratorRuntime, "object");
   });
+
+  it('should expose "version" field of package.json', () => {
+    const pkg = require("moment/package.json");
+    assert.strictEqual(pkg.version, "2.11.1");
+  });
 });
 
 describe("Meteor packages", () => {