58f8093689
- Updated all component headers and documentation
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2.0 KiB
2.0 KiB
safe-push-apply 
Push an array of items into an array, while being robust against prototype modification.
Getting started
npm install --save safe-push-apply
Usage/Examples
var safePushApply = require('safe-push-apply');
var assert = require('assert');
var arr = [1, 2, 3];
var orig = Array.prototype[Symbol.iterator];
delete Array.prototype[Symbol.iterator];
assert.throws(() => {
try {
arr.push(...[3, 4, 5]);
} finally {
Array.prototype[Symbol.iterator] = orig;
}
}, 'array is not iterable anymore');
delete Array.prototype.push;
safePushApply(arr, [3, 4, 5]);
assert.deepEqual(arr, [1, 2, 3, 3, 4, 5]);
Tests
Simply clone the repo, npm install, and run npm test