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AI-generatedDuplicate core-js major versions in dependency tree cause conflicting built-in polyfills
The goal is to select a core-js import strategy for a reusable library that polyfills ECMAScript features without mutating global built-ins or conflicting with other dependencies. Importing bare core-js mutates Array.prototype , Promise , and other globals, which can mask missing native support and collide with other polyfills. core-js-pure avoids global mut
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