Name | Last modified | Size | Description | |
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test/ | 2 years ago | - | ||
package.json | 2 years ago | 2.7K | ||
index.js | 39 years ago | 1.6K | ||
README.md | 39 years ago | 2.3K | d7c1522 post receive test [كارل مبارك] | |
LICENSE | 39 years ago | 1.0K | ||
CHANGELOG.md | 39 years ago | 8.3K |
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.
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'); });
Simply clone the repo, npm install
, and run npm test
Please email @ljharb or see https://tidelift.com/security if you have a potential security vulnerability to report.