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nodejs/test/es-module/test-esm-loader-invalid-format.mjs
Alex Aubuchon 15fb02a515 src: rename --loader to --experimental-loader
Renames the `--loader` cli argument to `--experimental-loader`.  This is
to clearly indicate the esm loader feature as experimental even after
esm is no longer experimental.

Also minorly alters the `--experimental-loader` docs to say that the
passed loader can be an esm module.

Refs: https://github.com/nodejs/modules/issues/351#issuecomment-535189524

PR-URL: https://github.com/nodejs/node/pull/29752
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2019-09-30 21:47:01 -07:00

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494 B
JavaScript

// Flags: --experimental-modules --experimental-loader ./test/fixtures/es-module-loaders/loader-invalid-format.mjs
import { expectsError, mustCall } from '../common/index.mjs';
import assert from 'assert';
import('../fixtures/es-modules/test-esm-ok.mjs')
.then(assert.fail, expectsError({
code: 'ERR_INVALID_RETURN_PROPERTY_VALUE',
message: 'Expected string to be returned for the "format" from the ' +
'"loader resolve" function but got type undefined.'
}))
.then(mustCall());