44 lines
1.7 KiB
TypeScript
44 lines
1.7 KiB
TypeScript
import { execFile } from "node:child_process";
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import { writeFile } from "node:fs/promises";
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import { join } from "node:path";
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import { promisify } from "node:util";
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import { expect, it } from "vitest";
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import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
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it("analyzes direct returns after deep source without exhausting the default process stack", async () => {
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const root = await createTestTempDirectory("rea-deep-direct-returns-");
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await writeFile(
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join(root, "app.js"),
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`export function render() { object${".property".repeat(20_000)}; function nested() { return "nested"; } class Inner { method() { return "method"; } } return "ready"; }`,
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);
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const service = new URL(
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"../../../scripts/lib/javascript-application-analysis.mjs",
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import.meta.url,
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).href;
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const script = `
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import { analyzeJavaScriptApplicationWithOwnedScope } from ${JSON.stringify(service)};
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const evidence = await analyzeJavaScriptApplicationWithOwnedScope({ input_path: ${JSON.stringify(root)}, format: "directory" });
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const nodes = evidence.normalized_result.semantic_graph.nodes;
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console.log(JSON.stringify(nodes.filter(node => node.kind === "return-site").map(node => node.function_node_id)));
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`;
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const { stdout, stderr } = await promisify(execFile)(
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process.execPath,
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["--input-type=module", "-e", script],
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{
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timeout: 10_000,
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// Bound the child heap while retaining Node's default stack size.
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env: {
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HOME: root,
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TMPDIR: root,
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NODE_OPTIONS: "--max-old-space-size=768",
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},
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},
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);
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expect(stderr).toBe("");
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const owners: unknown = JSON.parse(stdout);
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expect(owners).toHaveLength(3);
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expect(new Set(Array.isArray(owners) ? owners : []).size).toBe(3);
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});
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