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6088619b3e
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4 months ago | |
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| .. | ||
| .github | 4 months ago | |
| test | 4 months ago | |
| .attw.json | 4 months ago | |
| .editorconfig | 4 months ago | |
| .eslintrc | 4 months ago | |
| .nycrc | 4 months ago | |
| CHANGELOG.md | 4 months ago | |
| LICENSE | 4 months ago | |
| README.md | 4 months ago | |
| index.d.ts | 4 months ago | |
| index.js | 4 months ago | |
| package.json | 4 months ago | |
| tsconfig.json | 4 months ago | |
README.md
internal-slot 
Truly private storage, akin to the JS spec’s concept of internal slots.
Uses a WeakMap when available; a Map when not; and a regular object in even older engines. Performance and garbage collection behavior will reflect the environment’s capabilities accordingly.
Example
var SLOT = require('internal-slot');
var assert = require('assert');
var o = {};
assert.throws(function () { SLOT.assert(o, 'foo'); });
assert.equal(SLOT.has(o, 'foo'), false);
assert.equal(SLOT.get(o, 'foo'), undefined);
SLOT.set(o, 'foo', 42);
assert.equal(SLOT.has(o, 'foo'), true);
assert.equal(SLOT.get(o, 'foo'), 42);
assert.doesNotThrow(function () { SLOT.assert(o, 'foo'); });
Tests
Simply clone the repo, npm install, and run npm test
Security
Please email @ljharb or see https://tidelift.com/security if you have a potential security vulnerability to report.