Sandbox::https://github.com/addyCooks/trigger.dev/blob/main/internal-test-projects.mts

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import { existsSync, readdirSync, readFileSync } from "node:fs";

import { resolve } from "node:path";

export function getInternalTestProjects(monorepoRoot: string) {

return readdirSync(resolve(monorepoRoot, "internal-packages"))

.sort()

.flatMap((directory) => {

const root = resolve(monorepoRoot, "internal-packages", directory);

const manifestPath = resolve(root, "package.json");

if (!existsSync(manifestPath)) return [];

const manifest = JSON.parse(readFileSync(manifestPath, "utf8"));

if (!manifest.name?.startsWith("@internal/") || !manifest.scripts?.test) return [];

// Keep custom test commands from being bypassed if a package changes later.

if (

!/^vitest(?: run)?(?: --sequence.concurrent=false)?(?: --no-file-parallelism)?$/.test(

manifest.scripts.test

)

) {

throw new Error(`Unsupported test command for ${manifest.name}: ${manifest.scripts.test}`);

}

return [{ root, name: manifest.name as string }];

});

}

// Report replay needs the same names and roots to reconstruct Vitest's test IDs.

// Inline projects avoid loading package configs or installing workspace dependencies.

export function getInternalTestReportConfig(monorepoRoot: string) {

return {

test: {

projects: getInternalTestProjects(monorepoRoot).map(({ root, name }) => ({

extends: false as const,

configFile: false as const,

test: { root, name },

})),

};

}