// @effect-diagnostics nodeBuiltinImport:off - entrypoint detection is a Node filesystem boundary.import * as NodeFS from "node:fs";import * as NodeOS from "node:os";import * as NodePath from "node:path";import * as NodeURL from "node:url"; import { describe, expect, it } from "vite-plus/test"; import { isEntrypoint } from "./entrypoint.ts"; const makeTempDir = () => NodeFS.mkdtempSync(NodePath.join(NodeOS.tmpdir(), "t3-entrypoint-test-")); describe("isEntrypoint", () => { it("uses the runtime answer when Node provides one", () => { // Node 22.18+ and 24.2+ populate `import.meta.main`; nothing else is consulted. expect( isEntrypoint({ moduleUrl: "file:///somewhere/bin.mjs", entryPath: "/elsewhere/other.mjs", runtimeMain: true, }), ).toBe(true); expect( isEntrypoint({ moduleUrl: "file:///somewhere/bin.mjs", entryPath: "/somewhere/bin.mjs", runtimeMain: false, }), ).toBe(false); }); it("matches the entrypoint path when the runtime has no import.meta.main", () => { // Node 22.16, 22.17 and 23.11 are inside `engines.node` but leave it undefined. const dir = makeTempDir(); const entry = NodePath.join(dir, "bin.mjs"); NodeFS.writeFileSync(entry, ""); expect( isEntrypoint({ moduleUrl: NodeURL.pathToFileURL(entry).href, entryPath: entry, runtimeMain: undefined, }), ).toBe(true); }); it("matches through a symlinked entrypoint, as npm and npx install it", () => { const dir = makeTempDir(); const real = NodePath.join(dir, "bin.mjs"); const link = NodePath.join(dir, "t3"); NodeFS.writeFileSync(real, ""); NodeFS.symlinkSync(real, link); expect( isEntrypoint({ moduleUrl: NodeURL.pathToFileURL(real).href, entryPath: link, runtimeMain: undefined, }), ).toBe(true); }); it("stays false for an imported module that is not the entrypoint", () => { // This is what keeps `bin.test.ts` from launching the CLI on import. const dir = makeTempDir(); const entry = NodePath.join(dir, "bin.mjs"); const imported = NodePath.join(dir, "cli.mjs"); NodeFS.writeFileSync(entry, ""); NodeFS.writeFileSync(imported, ""); expect( isEntrypoint({ moduleUrl: NodeURL.pathToFileURL(imported).href, entryPath: entry, runtimeMain: undefined, }), ).toBe(false); }); it("stays false when there is no entrypoint argument", () => { expect( isEntrypoint({ moduleUrl: "file:///somewhere/bin.mjs", entryPath: undefined, runtimeMain: undefined, }), ).toBe(false); });});
// @effect-diagnostics nodeBuiltinImport:off - entrypoint detection is a Node filesystem boundary.
import * as NodeFS from "node:fs";
import * as NodeOS from "node:os";
import * as NodePath from "node:path";
import * as NodeURL from "node:url";
import { describe, expect, it } from "vite-plus/test";
import { isEntrypoint } from "./entrypoint.ts";
const makeTempDir = () => NodeFS.mkdtempSync(NodePath.join(NodeOS.tmpdir(), "t3-entrypoint-test-"));
describe("isEntrypoint", () => {
it("uses the runtime answer when Node provides one", () => {
// Node 22.18+ and 24.2+ populate `import.meta.main`; nothing else is consulted.
expect(
isEntrypoint({
moduleUrl: "file:///somewhere/bin.mjs",
entryPath: "/elsewhere/other.mjs",
runtimeMain: true,
}),
).toBe(true);
expect(
isEntrypoint({
moduleUrl: "file:///somewhere/bin.mjs",
entryPath: "/somewhere/bin.mjs",
runtimeMain: false,
}),
).toBe(false);
});
it("matches the entrypoint path when the runtime has no import.meta.main", () => {
// Node 22.16, 22.17 and 23.11 are inside `engines.node` but leave it undefined.
const dir = makeTempDir();
const entry = NodePath.join(dir, "bin.mjs");
NodeFS.writeFileSync(entry, "");
expect(
isEntrypoint({
moduleUrl: NodeURL.pathToFileURL(entry).href,
entryPath: entry,
runtimeMain: undefined,
}),
).toBe(true);
});
it("matches through a symlinked entrypoint, as npm and npx install it", () => {
const dir = makeTempDir();
const real = NodePath.join(dir, "bin.mjs");
const link = NodePath.join(dir, "t3");
NodeFS.writeFileSync(real, "");
NodeFS.symlinkSync(real, link);
expect(
isEntrypoint({
moduleUrl: NodeURL.pathToFileURL(real).href,
entryPath: link,
runtimeMain: undefined,
}),
).toBe(true);
});
it("stays false for an imported module that is not the entrypoint", () => {
// This is what keeps `bin.test.ts` from launching the CLI on import.
const dir = makeTempDir();
const entry = NodePath.join(dir, "bin.mjs");
const imported = NodePath.join(dir, "cli.mjs");
NodeFS.writeFileSync(entry, "");
NodeFS.writeFileSync(imported, "");
expect(
isEntrypoint({
moduleUrl: NodeURL.pathToFileURL(imported).href,
entryPath: entry,
runtimeMain: undefined,
}),
).toBe(false);
});
it("stays false when there is no entrypoint argument", () => {
expect(
isEntrypoint({
moduleUrl: "file:///somewhere/bin.mjs",
entryPath: undefined,
runtimeMain: undefined,
}),
).toBe(false);
});
});