TypeScript/scripts/checkModuleFormat.mjs
2023-08-16 14:26:38 -07:00

47 lines
1.3 KiB
JavaScript

import {
createRequire,
} from "module";
import {
__importDefault,
__importStar,
} from "tslib";
// This script tests that TypeScript's CJS API is structured
// as expected. It calls "require" as though it were in CWD,
// so it can be tested on a separate install of TypeScript.
const require = createRequire(process.cwd() + "/index.js");
console.log(`Testing ${process.argv[2]}...`);
const ts = require(process.argv[2]);
// See: https://github.com/microsoft/TypeScript/pull/51474#issuecomment-1310871623
/** @type {[fn: (() => any), shouldSucceed: boolean][]} */
const fns = [
[() => ts.version, true],
[() => ts.default.version, false],
[() => __importDefault(ts).version, false],
[() => __importDefault(ts).default.version, true],
[() => __importStar(ts).version, true],
[() => __importStar(ts).default.version, true],
];
for (const [fn, shouldSucceed] of fns) {
let success = false;
try {
success = !!fn();
}
catch {
// Ignore
}
const status = success ? "succeeded" : "failed";
if (success === shouldSucceed) {
console.log(`${fn.toString()} ${status} as expected.`);
}
else {
console.log(`${fn.toString()} unexpectedly ${status}.`);
process.exitCode = 1;
}
}
console.log("ok");