37f02f7e6b
<!-- Please make sure you have read the submission guidelines before posting an PR --> <!-- https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr --> <!-- Please make sure that your commit message follows our format --> <!-- Example: `fix(nx): must begin with lowercase` --> ## Current Behavior <!-- This is the behavior we have today --> ## Expected Behavior <!-- This is the behavior we should expect with the changes in this PR --> ## Related Issue(s) <!-- Please link the issue being fixed so it gets closed when this is merged. --> Fixes #25284
56 lines
1.8 KiB
TypeScript
56 lines
1.8 KiB
TypeScript
import { extname } from 'path';
|
|
import { pathToFileURL } from 'node:url';
|
|
|
|
export async function loadModule<T = any>(path: string): Promise<T> {
|
|
switch (extname(path)) {
|
|
case '.mjs': {
|
|
const result = await loadEsmModule(pathToFileURL(path));
|
|
return (result as { default: T }).default ?? (result as T);
|
|
}
|
|
case '.cjs': {
|
|
const result = require(path);
|
|
return result.default ?? result;
|
|
}
|
|
|
|
default:
|
|
// it can be CommonJS or ESM, try both
|
|
try {
|
|
const result = require(path);
|
|
return result.default ?? result;
|
|
} catch (e: any) {
|
|
if (e.code === 'ERR_REQUIRE_ESM') {
|
|
const result = await loadEsmModule(pathToFileURL(path));
|
|
return (result as { default: T }).default ?? (result as T);
|
|
}
|
|
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Lazily compiled dynamic import loader function.
|
|
*/
|
|
let load: (<T>(modulePath: string | URL) => Promise<T>) | undefined;
|
|
|
|
/**
|
|
* This uses a dynamic import to load a module which may be ESM.
|
|
* CommonJS code can load ESM code via a dynamic import. Unfortunately, TypeScript
|
|
* will currently, unconditionally downlevel dynamic import into a require call.
|
|
* require calls cannot load ESM code and will result in a runtime error. To workaround
|
|
* this, a Function constructor is used to prevent TypeScript from changing the dynamic import.
|
|
* Once TypeScript provides support for keeping the dynamic import this workaround can
|
|
* be dropped.
|
|
*
|
|
* @param modulePath The path of the module to load.
|
|
* @returns A Promise that resolves to the dynamically imported module.
|
|
*/
|
|
export function loadEsmModule<T = any>(modulePath: string | URL): Promise<T> {
|
|
load ??= new Function('modulePath', `return import(modulePath);`) as Exclude<
|
|
typeof load,
|
|
undefined
|
|
>;
|
|
|
|
return load(modulePath);
|
|
}
|