Danijel Martinek
d5313f95ea
Two helpers for use by per-package generator actions: - assertOptionalPackageNotPresent — guards against double-scaffolding - addToTranspilePackages — idempotent alphabetical splice into next.config.mjs Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
65 lines
2.0 KiB
TypeScript
65 lines
2.0 KiB
TypeScript
import { describe, it, expect } from "vitest";
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import {
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existsSync,
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mkdtempSync,
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mkdirSync,
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writeFileSync,
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readFileSync,
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} from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import {
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assertOptionalPackageNotPresent,
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addToTranspilePackages,
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} from "./core-package-utils";
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describe("assertOptionalPackageNotPresent", () => {
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it("throws if packages/<name>/ exists in cwd", () => {
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const tmp = mkdtempSync(join(tmpdir(), "core-pkg-"));
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mkdirSync(join(tmp, "packages", "core-foo"), { recursive: true });
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expect(() => assertOptionalPackageNotPresent("core-foo", tmp)).toThrow(/already exists/);
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});
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it("returns silently if packages/<name>/ is absent", () => {
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const tmp = mkdtempSync(join(tmpdir(), "core-pkg-"));
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expect(() => assertOptionalPackageNotPresent("core-foo", tmp)).not.toThrow();
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});
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});
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describe("addToTranspilePackages", () => {
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it("inserts package name alphabetically into transpilePackages array", () => {
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const tmp = mkdtempSync(join(tmpdir(), "core-pkg-"));
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const cfgPath = join(tmp, "next.config.mjs");
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writeFileSync(
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cfgPath,
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`const nextConfig = {
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transpilePackages: [
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"@repo/core-cms",
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"@repo/core-shared",
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],
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};
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`,
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);
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addToTranspilePackages(cfgPath, "@repo/core-realtime");
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const result = readFileSync(cfgPath, "utf8");
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// Order should be: core-cms, core-realtime, core-shared
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const order = result.match(/@repo\/core-\w+/g) ?? [];
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expect(order).toEqual(["@repo/core-cms", "@repo/core-realtime", "@repo/core-shared"]);
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});
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it("is idempotent — duplicate insertion is a no-op", () => {
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const tmp = mkdtempSync(join(tmpdir(), "core-pkg-"));
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const cfgPath = join(tmp, "next.config.mjs");
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writeFileSync(
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cfgPath,
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`const nextConfig = {
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transpilePackages: ["@repo/core-realtime"],
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};
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`,
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);
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addToTranspilePackages(cfgPath, "@repo/core-realtime");
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const result = readFileSync(cfgPath, "utf8");
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expect(result.match(/@repo\/core-realtime/g)?.length).toBe(1);
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});
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});
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