fix(javascript): preserve runtime path bytes and Electron ownership (#4941)

* fix(javascript): preserve literal percent runtime paths * fix(javascript): ignore resolve prefixes before the final anchor * fix(electron): retain application roots for loadFile declarations * fix(electron): resolve loadFile from enclosing application package * fix(electron): retain outer application root across package scopes * fix(electron): derive application ownership from inventoried packages * fix(electron): retain resolved package entrypoint ownership * fix(electron): preserve competing application ownership * fix(electron): retain invalid and omitted runtime ownership * fix(electron): preserve omitted module ownership and runtime paths * fix(electron): preserve proven roots before confining page paths * fix(electron): retain possible owners behind missing imports * fix(electron): distinguish absent imports and owned page candidates * fix(electron): keep unavailable JSON out of owner gaps * fix(electron): retain exact loader formats and default entry status * fix(electron): retain unavailable entrypoint ownership candidates * test(ghidra): preserve Windows Node probe prerequisites * test(ghidra): assert cancellation during profile shutdown * fix(electron): separate examined imports from frontend ownership * fix(electron): retain unavailable directory entrypoint owners * test(jeb): retain Linux ownership prerequisite in isolation * fix(javascript): retain unchecked loader ownership and literal main paths * fix(javascript): preserve runtime paths and call-site module aliases * fix(javascript): bound module alias traversal and preserve projections * fix(javascript): retain host module and nested artifact path boundaries * fix(javascript): preserve ESM and archive module loader provenance * test(javascript): distinguish unmapped containers from missing exports * fix: retain default module aliases and Electron builtin imports * fix: preserve host file URL and inward ASAR ownership * fix: preserve CommonJS file URL classification in CI fixtures * fix: retain bound module loaders and Windows entrypoint uncertainty * fix: retain ASAR uncertainty and invalidate changed Electron app roots * fix(javascript): retain ownership uncertainty across loader boundaries * fix(javascript): preserve loader sources and bound alias queries * fix(javascript): retain destructured loader sources * fix(javascript): preserve loader uncertainty at resolution boundaries * fix(javascript): preserve callable and package launch ownership * fix(javascript): preserve captured values across member reads * test(process): assert tagged filesystem cancellation failures * fix(javascript): preserve inventory bases and invocation read timing * fix(javascript): preserve ownership across indirect and unread loads * test(javascript): order fixture directory creation on Windows * test(javascript): share ordered filesystem fixture writer * fix(javascript): unify loader provenance and package validation * fix(javascript): preserve captured Node require loader values * fix(javascript): preserve loader invocation authority * fix(javascript): verify generic loader invocation authority * fix(javascript): preserve conditional loader method alternatives * fix(javascript): require proven factories for source association * fix(javascript): honor replaced Electron app path setters * fix(javascript): prove path and assignment source ownership * fix(javascript): retain native delegate eligibility through shared writes * fix(process): settle stale baseline errors after confirmed absence * fix(javascript): preserve assignment and path boundary evidence * fix(javascript): prove source-directory resolve anchors * fix: preserve application path provenance and portable schemas * fix(javascript): retain CommonJS exported setter effects * fix: isolate Linux identity observations and retain native module exports * fix(javascript): preserve published app and helper provenance * fix(javascript): normalize typed stores and native path fixtures
2026-11-06 23:06:18 +00:00 · 2026-10-20 17:25:19 +08:00
1 parent d532b18123
commit e9fc8fb30c
@@ -0,0 +1,112 @@
+import { runInNewContext } from "node:vm";
+import { expect, it } from "vitest";
+import { analyzeJavaScriptStaticSource } from "./javascriptStaticAnalysis.js";
+import { analyzeJavaScriptSemantics } from "./javascriptSemanticAnalysis.js";
+
+it.each([
+  ["export {app};", true],
+  ["export default app;", true],
+  ["export const exposed={app};", true],
+  ["export const exposed=[app];", true],
+  ["app.setAppPath=()=>{};export{app};", false],
+  ["const local={setAppPath(){}};export{local};", false],
+] as const)(
+  "retains whole exported application capabilities in %s",
+  (published, possible) => {
+    const result = analyzeJavaScriptStaticSource(
+      `import {app} from 'electron';${published}`,
+    );
+    expect(result.parse_error_count).toBe(0);
+    expect((result.electron.app_path_changes ?? []).length > 0).toBe(possible);
+  },
+);
+
+it.each([
+  [
+    "later local",
+    "Object.assign(exports,{change:app.setAppPath},{change(){}});",
+    false,
+  ],
+  [
+    "later native",
+    "Object.assign(exports,{change(){}},{change:app.setAppPath});",
+    true,
+  ],
+  [
+    "inherited",
+    "const source={__proto__:{change:app.setAppPath}};Object.assign(exports,source);",
+    false,
+  ],
+  [
+    "own",
+    "const source={__proto__:{change(){}},change:app.setAppPath};Object.assign(exports,source);",
+    true,
+  ],
+  [
+    "later local alias",
+    "const local={change(){}};Object.assign(exports,{change:app.setAppPath},local);",
+    false,
+  ],
+  [
+    "unrelated later field",
+    "Object.assign(exports,{change:app.setAppPath},{other(){}});",
+    true,
+  ],
+  ["array own", "Object.assign(exports,[app.setAppPath]);", true],
+  [
+    "nullish sources",
+    "Object.assign(exports,{change:app.setAppPath},null,undefined);",
+    true,
+  ],
+  [
+    "getter deletes a later source slot",
+    "Object.assign(exports,{change:app.setAppPath},{get first(){delete this.change},change(){}});",
+    true,
+  ],
+] as const)("publishes only copied fields for %s", (_name, body, possible) => {
+  let changed = 0;
+  const app = {
+    setAppPath() {
+      changed++;
+    },
+  };
+  const module = { exports: {} };
+  runInNewContext(body, { app, module, exports: module.exports });
+  const fields = Object.values(module.exports) as unknown[];
+  for (const field of fields)
+    if (typeof field === "function") field.call(app, "./lib");
+  expect(changed > 0).toBe(possible);
+  const result = analyzeJavaScriptStaticSource(
+    `const{app}=require('electron');${body}`,
+  );
+  expect(result.parse_error_count).toBe(0);
+  expect((result.electron.app_path_changes ?? []).length > 0).toBe(possible);
+});
+
+it("retains the final named own exports without publishing overwritten fields", () => {
+  const result = analyzeJavaScriptSemantics(
+    "const local=()=>{};Object.assign(exports,{change:require('electron').app.setAppPath,retained:local},{change:local});",
+  );
+  expect(
+    result.moduleLinks
+      .filter(({ kind }) => kind === "commonjs-export")
+      .map(({ exportedName }) => exportedName)
+      .sort(),
+  ).toEqual(["change", "retained"]);
+});
+
+it("retains copied module provenance without publishing the namespace object", () => {
+  const result = analyzeJavaScriptSemantics(
+    "Object.assign(exports,require('./factory.cjs'));",
+  );
+  expect(result.moduleLinks).toContainEqual(
+    expect.objectContaining({
+      kind: "commonjs-export",
+      exportedName: "*",
+      specifier: "./factory.cjs",
+      importedName: null,
+      localName: null,
+      callableId: null,
+    }),
+  );
+});