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If require.resolve() is passed an options object, but the paths option is not present, then use the default require.resolve() paths. PR-URL: https://github.com/nodejs/node/pull/28078 Fixes: https://github.com/nodejs/node/issues/28077 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const path = require('path');
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const nodeModules = path.join(__dirname, 'node_modules');
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const nestedNodeModules = path.join(__dirname, 'node_modules', 'node_modules');
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const nestedIndex = path.join(__dirname, 'nested-index');
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// Test the default behavior.
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assert.strictEqual(
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require.resolve('bar'),
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path.join(nodeModules, 'bar.js')
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);
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// Verify that existing paths are removed.
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assert.throws(() => {
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require.resolve('bar', { paths: [] })
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}, /^Error: Cannot find module 'bar'/);
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// Verify that resolution path can be overwritten.
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{
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// three.js cannot be loaded from this file by default.
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assert.throws(() => {
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require.resolve('three')
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}, /^Error: Cannot find module 'three'/);
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// If the nested-index directory is provided as a resolve path, 'three'
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// cannot be found because nested-index is used as a starting point and not
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// a searched directory.
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assert.throws(() => {
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require.resolve('three', { paths: [nestedIndex] })
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}, /^Error: Cannot find module 'three'/);
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// Resolution from nested index directory also checks node_modules.
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assert.strictEqual(
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require.resolve('bar', { paths: [nestedIndex] }),
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path.join(nodeModules, 'bar.js')
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);
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}
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// Verify that the default paths can be used and modified.
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{
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const paths = require.resolve.paths('bar');
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assert.strictEqual(paths[0], nodeModules);
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assert.strictEqual(
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require.resolve('bar', { paths }),
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path.join(nodeModules, 'bar.js')
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);
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paths.unshift(nestedNodeModules);
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assert.strictEqual(
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require.resolve('bar', { paths }),
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path.join(nodeModules, 'bar.js')
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);
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}
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// Verify that relative request paths work properly.
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{
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const searchIn = './' + path.relative(process.cwd(), nestedIndex);
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// Search in relative paths.
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assert.strictEqual(
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require.resolve('./three.js', { paths: [searchIn] }),
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path.join(nestedIndex, 'three.js')
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);
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// Search in absolute paths.
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assert.strictEqual(
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require.resolve('./three.js', { paths: [nestedIndex] }),
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path.join(nestedIndex, 'three.js')
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);
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// Repeat the same tests with Windows slashes in the request path.
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if (common.isWindows) {
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assert.strictEqual(
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require.resolve('.\\three.js', { paths: [searchIn] }),
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path.join(nestedIndex, 'three.js')
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);
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assert.strictEqual(
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require.resolve('.\\three.js', { paths: [nestedIndex] }),
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path.join(nestedIndex, 'three.js')
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);
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}
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}
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// Test paths option validation
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common.expectsError(() => {
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require.resolve('.\\three.js', { paths: 'foo' })
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}, {
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError,
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});
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// Verify that the default require.resolve() is used for empty options.
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assert.strictEqual(
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require.resolve('./printA.js', {}),
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require.resolve('./printA.js')
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);
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