TypeScript Fundamentals × Satisfies and as const

<p class="has-line-data" data-line-start="0" data-line-end="1">In this Hasty Treat, Scott and Wes talk about Satisfies and as const.</p> <h2 class="code-line" data-line-start="2" data-line-end="3"><a id= "Show_Notes_2" name="Show_Notes_2"></a>Show Notes</h2> <ul> <li class="has-line-data" data-line-start="4" data-line-end="5"> <strong><a href="#t=00:25">00:25</a></strong> Welcome</li> <li class="has-line-data" data-line-start="5" data-line-end="6"> <strong><a href="#t=02:04">02:04</a></strong> Xmas recap</li> <li class="has-line-data" data-line-start="6" data-line-end="7"> <a href="https://www.onepeloton.com">Peloton</a></li> <li class="has-line-data" data-line-start="7" data-line-end="8"> <strong><a href="#t=04:09">04:09</a></strong> Satisfies and as const</li> <li class="has-line-data" data-line-start="8" data-line-end="9"> <strong><a href="#t=06:16">06:16</a></strong> What is const?</li> <li class="has-line-data" data-line-start="9" data-line-end="10"> <strong><a href="#t=10:30">10:30</a></strong> Helping with currency</li> <li class="has-line-data" data-line-start="10" data-line-end="11"> <strong><a href="#t=12:44">12:44</a></strong> Bos monster server update</li> <li class="has-line-data" data-line-start="11" data-line-end="13"> <strong><a href="#t=14:13">14:13</a></strong> Satisfies</li> </ul> <pre> <code class="has-line-data" data-line-start="14" data-line-end= "23">export const currencies = { USD: 'US Dollars', CAD: 'Canadian Dollar', EUR: 'Euro', } as const; export type Currency = typeof currencies; export type CurrencyCode = keyof Currency; </code> </pre> <h2 class="code-line" data-line-start="24" data-line-end="25"> <a id="Tweet_us_your_tasty_treats_24" name= "Tweet_us_your_tasty_treats_24"></a>Tweet us your tasty treats</h2> <ul> <li class="has-line-data" data-line-start="26" data-line-end="27"> <a href="https://www.instagram.com/stolinski/">Scott’s Instagram</a></li> <li class="has-line-data" data-line-start="27" data-line-end="28"> <a href= "https://www.instagram.com/LevelUpTutorials/">LevelUpTutor