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module: add isBuiltin method #43396

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Merged
merged 24 commits into from
Jul 8, 2022
Merged

module: add isBuiltin method #43396

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ec1f95a
module: add isBuiltIn method
hemanth Jun 14, 2022
2376045
Use regex instead
hemanth Jun 14, 2022
06c135a
using primordial instead
hemanth Jun 14, 2022
62a4280
importing StringPrototypeReplace
hemanth Jun 14, 2022
57f5686
doc: add isBuiltIn
hemanth Jun 14, 2022
55916da
fix: use String
hemanth Jun 15, 2022
075ae02
using the placeholder REPLACEME
hemanth Jun 15, 2022
7a08b8f
prefix to tests
hemanth Jun 16, 2022
8c78587
avoid reassigning function args
hemanth Jun 16, 2022
cfc1a07
fix: falsy value assertion
hemanth Jun 16, 2022
8ab8589
fix: also support scheme only modules
hemanth Jun 19, 2022
deb9010
removed auto imported console.
hemanth Jun 19, 2022
420c8eb
fix: prefix only module checks
hemanth Jun 19, 2022
4bab085
proper check for prefixes
hemanth Jun 19, 2022
9a4fe4a
Update lib/internal/modules/cjs/loader.js
hemanth Jun 21, 2022
3b2cd57
Update test/parallel/test-module-isBuiltIn.js
hemanth Jun 23, 2022
eafd131
fix: using Set for better perf
hemanth Jun 23, 2022
1e81d07
fix: avoid mutation
hemanth Jun 23, 2022
0910fe0
use slice rather
hemanth Jun 23, 2022
1e7b74f
fix: avoid assignment.
hemanth Jun 23, 2022
15b71f3
allBuiltins as a Set
hemanth Jun 24, 2022
70e823a
chore: naming it isBuiltin instead & using flatMap
hemanth Jun 24, 2022
fc63117
doc: isBuiltin
hemanth Jun 24, 2022
b6033d2
chore: rename to isBuiltin
hemanth Jun 24, 2022
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5 changes: 5 additions & 0 deletions lib/internal/modules/cjs/loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1293,5 +1293,10 @@ Module.syncBuiltinESMExports = function syncBuiltinESMExports() {
}
};

Module.isBuiltIn = function isBuiltIn(moduleName) {
moduleName = String(moduleName).replace('node:', '');
return Module.builtinModules.includes(moduleName);
};

// Backwards compatibility
Module.Module = Module;
13 changes: 13 additions & 0 deletions test/parallel/test-module-isBuiltIn.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
'use strict';
require('../common');
const assert = require('assert');
const { isBuiltIn } = require('module');

// Includes modules in lib/ (even deprecated ones)
assert(isBuiltIn('http'));
assert(isBuiltIn('sys'));

// Does not include internal modules
assert(!isBuiltIn('internal'));
assert(!isBuiltIn(''));
assert(!isBuiltIn(undefined));