Validating Props with PropTypes (157)

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2 years ago

While TypeScript is out of scope as this is intended to be purely a foundational React course, we have provided an example since this has been frequently requested

https://www.typescriptlang.org/play?#code/JYWwDg9gTgLgBDAnmApnA3nAYgVwHYDGMwEeAwhOKSnvAL5wBmUlcARFCgIZFsDcAKFCRYcAgBsuAZykA5LiDTNWbCdKl4FKKfwFwBSVHACiADwk4AJiiwsQAFRxhxKADz24KUzBqWpcLjxEAG0AXQAaOABVAD44AF4MPThggGk4YDw4AGsURAhGOHtQgC4itNDPb19-KLgAfjg8FAA3FCg4MvsKwTpgvBwQACN20MF9QzQzCylgNvcqnzw-OAAFFlRYRFS8sMi6xMDEOMTugeHRxZqMvEZ2k2TG4yvl-ykYKEyAc2S4BrgAEooAjQSyuYz7OIAMgwKWyNxM5nEVhsdkczjc9kixhioXqZWabQ6dF+nSarXayQJFI6MPQdHGBmQaAAQjgYDBSOsIGB-IkgTwYAA6Nkc0gACXsAFkADIAQQ5nyG7O0rklstFnLwxhcilo0OSqy4sGAXHErnQpIg7PEmRQ+LgQwgEBcgXGfzgLHw1ksDqdLu4eHddANf2myNm82CbDAnxAxsQbEibCkwNIlgTSfYUhwBAI2h0yYA7sa8N8s2wM3gvu02BFHc7XXgYoyQXh3nBNaQyrhCMRSBQqM1aK4u3hubyTnAABSWv4EAAWwHElk4eHCyVjoATG7+qbbGagiF3cBzeYLJ5LUDL1ZPVZrUBP1pgtuaJ69yxQlhPQt-nHeAh0AAlAkcRzmIpAdmoMjaAkYiSDI8iKNOpL-sK0FyFoJ5-GwjAuKYGQ+CAUgALT5rQ9xgKYJEAMxwGAiAkQAjEKACsDZQNYUBJqS4EeuwTqce0JFDMiKAkaxAAMkmOl8IliRJ0lsGUW7xke2EemwglcSRXxQFwjEAJzSbJun6UZSllPu6Y7qSOHacJekoDQikyUMclOS5UmScpp65vmMgafZoLCYgKDiOIEBFiRAAsJnuSRYURVFsWWXAV43l8QUCSFUAkZwliuaZBWub597tNlHDWp+hWMDgEW+R+PqVT43gkUWS4+MpdkegAhM+r5oFCMLTqpCZwAAPhNp5pss41TX554yJN00Zd8K1wOVUBAZVCUdcAXVlANdotV4MDyTg4neb5x3NHAw30XGtn8ThrXnXpBmlUdNp2vdMLWXN6k9Wwb1mc5eBfXAt1Df9-kXsDoNJZF0XXd9L6-Q9a23gjZ35V+kPQ39m2BA+Gkkn8QGMn8nAwDg14zqSrjKmKWToL+QpoQwGFISg8ToBh2ghj1-NLiua7kx6rgAPTM1qMTJJTgGMl4IjwNYjBcPV8BjoIQA

As a brief summary, the ExcludeFromTuple type returns a new tuple with all occurrences of U removed from T. ExcludeFromTuple is then used in the Exclusive type to create an object type where all props from tuple T are optional except for one, which is specified by parameter U. This ensures that only one of the custom props (primary, secondary, success, warning, and danger) can be passed to the Button component and provides for mutually exclusive props.

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