nodejs/test/module-hooks/test-module-hooks-load-url-change-require.js

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'use strict';
const common = require('../common');
const assert = require('assert');
const { registerHooks } = require('module');
const fixtures = require('../common/fixtures');
// This tests shows the url parameter in `load` can be changed in the `nextLoad` call
// It changes `foo` package name into `redirected-fs` and then loads `redirected-fs`
const hook = registerHooks({
resolve(specifier, context, nextResolve) {
assert.strictEqual(specifier, 'foo');
return {
url: 'foo://bar',
shortCircuit: true,
};
},
load: common.mustCall(function load(url, context, nextLoad) {
assert.strictEqual(url, 'foo://bar');
return nextLoad(
fixtures.fileURL('module-hooks', 'redirected-fs.js').href,
context,
);
}),
});
assert.strictEqual(require('foo').exports_for_test, 'redirected fs');
hook.deregister();