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README.md

es-shim-unscopables

Helper package to shim a method into Array.prototype[Symbol.unscopables]

Example

const assert = require('assert');

const shimUnscopables = require('es-shim-unscopables');

let copyWithin;
let concat;
with ([]) {
    assert.equal(concat, Array.prototype.concat);
    assert.notEqual(copyWithin, Array.prototype.copyWithin);
}

shimUnscopables('concat');

with ([]) {
    assert.notEqual(concat, Array.prototype.concat);
    assert.notEqual(copyWithin, Array.prototype.copyWithin);
}

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.