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test: overhaul deterministic suite architecture
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import { mkdir, rm, writeFile } from "node:fs/promises";
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import { join } from "node:path";
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import { describe, expect, it } from "vitest";
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import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
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import { reconstructJavaScriptArtifact } from "../../../src/application/JavaScriptArtifactReconstruction.js";
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import type {
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ApplicationEdge,
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ApplicationNode,
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JavaScriptApplicationGraph,
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} from "../../../src/domain/javascriptApplicationGraph.js";
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describe("CommonJS and ESM module relationships", () => {
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it("composes bindings, re-exports, dynamic imports, and JSON modules", async () => {
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const root = await moduleFixture();
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try {
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const first = await reconstructJavaScriptArtifact({ input_path: root });
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const second = await reconstructJavaScriptArtifact({ input_path: root });
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const graph = first.graph;
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expect(second.graph).toEqual(graph);
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expect(sourceModule(graph, "main.cjs")).toBeDefined();
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expect(sourceModule(graph, "consumer.mjs")).toBeDefined();
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expect(sourceModule(graph, "dependency.mjs")).toBeDefined();
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expect(
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relationship(graph, {
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kind: "require",
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specifier: "./dependency.mjs",
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resolvedPath: "dependency.mjs",
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importedName: "value",
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localName: "importedValue",
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}),
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).toBeDefined();
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expect(
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graph.edges.filter(
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({ relation, properties }) =>
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relation === "imports" &&
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properties.specifier === "fixture-package",
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),
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).not.toEqual(
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expect.arrayContaining([
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expect.objectContaining({
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properties: expect.objectContaining({ resolved_path: null }),
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}),
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]),
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);
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expect(
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relationship(graph, {
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kind: "require",
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specifier: "fixture-package",
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resolvedPath: "node_modules/fixture-package/cjs.cjs",
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localName: "packageValue",
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}),
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).toBeDefined();
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expect(
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relationship(graph, {
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kind: "import",
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specifier: "fixture-package",
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resolvedPath: "node_modules/fixture-package/esm.mjs",
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importedName: "default",
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localName: "packageDefault",
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}),
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).toBeDefined();
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expect(
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relationship(graph, {
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kind: "import",
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specifier: "./values.js",
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resolvedPath: "values.js",
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importedName: "value",
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localName: "alias",
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}),
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).toBeDefined();
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expect(
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relationship(graph, {
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kind: "re-export",
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specifier: "./star.js",
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resolvedPath: "star.js",
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importedName: "*",
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exportedName: "*",
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}),
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).toBeDefined();
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const forwarded = exportNode(graph, "main.cjs", "forwarded");
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expect(forwarded).toBeDefined();
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expect(
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graph.edges.some(
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({ source_node_id, relation, properties }) =>
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source_node_id === forwarded?.node_id &&
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relation === "imports" &&
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properties.resolved_path === "dependency.mjs" &&
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properties.imported_name === "value",
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),
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).toBe(true);
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expect(
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graph.edges.find(
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({ relation, properties }) =>
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relation === "imports" &&
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properties.kind === "dynamic-import" &&
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properties.resolved_path === "lazy.js",
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),
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).toMatchObject({
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source_node_id: sourceModule(graph, "consumer.mjs")?.node_id,
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});
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expect(
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relationship(graph, {
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kind: "require",
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specifier: "./data.json",
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resolvedPath: "data.json",
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})?.properties,
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).toMatchObject({
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target_file_kind: "json",
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target_json_status: "included",
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});
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expect(
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relationship(graph, {
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kind: "require",
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specifier: "./broken.json",
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resolvedPath: "broken.json",
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})?.properties,
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).toMatchObject({
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target_file_kind: "json",
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target_json_status: "invalid",
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});
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expect(
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relationship(graph, {
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kind: "require",
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specifier: "electron",
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})?.properties,
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).toMatchObject({ resolution_status: "external", resolved_path: null });
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expect(
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graph.edges.find(
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({ relation, properties }) =>
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relation === "imports" &&
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properties.kind === "require" &&
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properties.specifier === null,
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)?.properties,
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).toMatchObject({ resolved_path: null });
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expect(first.statistics.parse_failures).toBe(1);
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expect(graph.coverage).toMatchObject({
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status: "partial",
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truncated: false,
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});
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expect(graph.limitations.join(" ")).toMatch(/incomplete/iu);
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} finally {
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await rm(root, { recursive: true, force: true });
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}
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});
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});
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describe("CommonJS and ESM relationship limits", () => {
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it("retains exact semantic omissions when the relationship budget truncates", async () => {
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const root = await createTestTempDirectory("rea-module-limit-");
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try {
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await writeFile(
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join(root, "exports.mjs"),
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"export const first = 1; export const second = 2; export const third = 3;",
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);
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const result = await reconstructJavaScriptArtifact({
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input_path: root,
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limits: { max_findings: 1 },
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});
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expect(result.statistics.truncated_scopes).toBeGreaterThan(0);
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expect(
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result.graph.nodes.filter((node) =>
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node.observations.some(
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({ properties }) => properties.semantic_role === "export-binding",
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),
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),
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).toHaveLength(1);
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expect(result.graph.coverage).toMatchObject({
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status: "partial",
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truncated: true,
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omitted_count: 2,
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});
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} finally {
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await rm(root, { recursive: true, force: true });
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}
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});
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});
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const moduleFixture = async (): Promise<string> => {
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const root = await createTestTempDirectory("rea-module-relationships-");
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await mkdir(join(root, "node_modules", "fixture-package"), {
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recursive: true,
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});
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await Promise.all([
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writeFile(join(root, "package.json"), '{"main":"main.cjs"}'),
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writeFile(
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join(root, "main.cjs"),
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`
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const { value: importedValue } = require("./dependency.mjs");
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const data = require("./data.json");
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const broken = require("./broken.json");
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const electron = require("electron");
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const packageValue = require("fixture-package");
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module.exports.forwarded = importedValue;
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exports.data = data;
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exports.broken = broken;
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exports.electron = electron;
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exports.packageValue = packageValue;
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require(dynamicName);
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`,
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),
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writeFile(
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join(root, "dependency.mjs"),
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`
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export { value } from "./values.js";
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export * from "./star.js";
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`,
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),
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writeFile(
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join(root, "consumer.mjs"),
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`
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import { value as alias } from "./values.js";
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import packageDefault from "fixture-package";
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export { alias as relayed };
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void import("./lazy.js");
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void packageDefault;
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`,
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),
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writeFile(join(root, "values.js"), "export const value = 42;"),
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writeFile(join(root, "star.js"), "export const extra = true;"),
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writeFile(join(root, "lazy.js"), "export default 'lazy';"),
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writeFile(join(root, "data.json"), '{"name":"fixture","value":42}'),
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writeFile(join(root, "broken.json"), '{"name":'),
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writeFile(
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join(root, "node_modules", "fixture-package", "package.json"),
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JSON.stringify({
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exports: {
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".": {
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import: "./esm.mjs",
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require: "./cjs.cjs",
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},
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},
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}),
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),
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writeFile(
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join(root, "node_modules", "fixture-package", "esm.mjs"),
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"export default 'esm';",
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),
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writeFile(
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join(root, "node_modules", "fixture-package", "cjs.cjs"),
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"module.exports = 'cjs';",
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),
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]);
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return root;
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};
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interface RelationshipQuery {
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readonly kind: string;
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readonly specifier: string;
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readonly resolvedPath?: string;
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readonly importedName?: string;
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readonly localName?: string;
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readonly exportedName?: string;
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}
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const relationship = (
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graph: JavaScriptApplicationGraph,
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query: RelationshipQuery,
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): ApplicationEdge | undefined =>
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graph.edges.find(
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({ relation, properties }) =>
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relation === "imports" &&
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properties.module_link_kind === query.kind &&
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properties.specifier === query.specifier &&
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(query.resolvedPath === undefined ||
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properties.resolved_path === query.resolvedPath) &&
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(query.importedName === undefined ||
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properties.imported_name === query.importedName) &&
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(query.localName === undefined ||
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properties.local_name === query.localName) &&
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(query.exportedName === undefined ||
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properties.exported_name === query.exportedName),
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);
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const sourceModule = (
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graph: JavaScriptApplicationGraph,
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path: string,
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): ApplicationNode | undefined =>
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graph.nodes.find(
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(node) =>
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node.kind === "javascript-module" &&
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node.observations.some(
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({ properties }) => properties.logical_module_key === path,
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),
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);
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const exportNode = (
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graph: JavaScriptApplicationGraph,
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path: string,
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name: string,
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): ApplicationNode | undefined =>
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graph.nodes.find(
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(node) =>
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node.kind === "javascript-module" &&
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node.observations.some(
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({ properties }) =>
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properties.semantic_role === "export-binding" &&
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properties.module_path === path &&
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properties.exported_name === name,
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),
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);
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