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vue-baidu-analytics/node_modules/@babel/plugin-proposal-optional-chaining/README.md
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@babel/plugin-proposal-optional-chaining

Transform optional chaining operators into a series of nil checks

See our website @babel/plugin-proposal-optional-chaining for more information.

Install

Using npm:

npm install --save-dev @babel/plugin-proposal-optional-chaining

or using yarn:

yarn add @babel/plugin-proposal-optional-chaining --dev