polyfills error

[sanqi-med]

Description

i use polyfills with npm
step 1： npm install @webcomponents/webcomponentsjs
step 2: add script <script src="node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
then i got the error: Uncaught SyntaxError: Unexpected token '<'

Browsers affected

• Chrome 94

• @webcomponents/webcomponentsjs 2.6.0

[stale]

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