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module: allow passing a directory to createRequireFromPath #23818

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a734696
module: allow passing a directory to createRequireFromPath
gillesdemey Oct 22, 2018
676cc00
module: fix windows path separators
gillesdemey Oct 22, 2018
c2eff11
test: make test-module-create-require-from-directory pass on Windows
gillesdemey Oct 22, 2018
2b1f48e
test: add a negative test to test-module-create-require-from-directory
gillesdemey Nov 28, 2018
5942747
fixup: doc change
MylesBorins Apr 25, 2019
9ec4cb8
fixup: notes from review
MylesBorins Apr 30, 2019
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module: allow passing a directory to createRequireFromPath 
Fixes: #23710
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@gillesdemey @MylesBorins
gillesdemey authored and MylesBorins committed Apr 30, 2019
commit a73469663de0c7360b0ba0e01126e899c82376aa
12 changes: 9 additions & 3 deletions lib/internal/modules/cjs/loader.js
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Expand Up @@ -825,9 +825,15 @@ Module.runMain = function() {
};

Module.createRequireFromPath = (filename) => {
const m = new Module(filename);
m.filename = filename;
m.paths = Module._nodeModulePaths(path.dirname(filename));
// Allow a directory to be passed as the filename
const proxyPath = filename.endsWith('/') ?
path.join(filename, 'noop.js') :
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filename;

const m = new Module(proxyPath);
m.filename = proxyPath;

m.paths = Module._nodeModulePaths(path.dirname(proxyPath));
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return makeRequireFunction(m);
};

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12 changes: 12 additions & 0 deletions test/parallel/test-module-create-require-from-directory.js
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@@ -0,0 +1,12 @@
'use strict';

require('../common');
const assert = require('assert');
const path = require('path');

const { createRequireFromPath } = require('module');

const p = path.join(path.resolve(__dirname, '..', 'fixtures'), '/');
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const req = createRequireFromPath(p);
assert.strictEqual(req('./baz'), 'perhaps I work');