<spanclass="line"><spanstyle="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Features:</p><ul><li><p>title: <strong>optional</strong>. displayed at the top in a larger font. It can also be a function that returns updating text.</p></li><li><p>cost(): cost for buying the next buyable. Can have an optional argument "x" to calculate the cost of the x+1th purchase. (x is a <code>Decimal</code>). Can return an object if there are multiple currencies.</p></li><li><p>effect(): <strong>optional</strong>. A function that calculates and returns the current values of bonuses of this buyable. Can have an optional argument "x" to calculate the effect of having x of the buyable.. Can return a value or an object containing multiple values.</p></li><li><p>display(): A function returning everything that should be displayed on the buyable after the title, likely including the description, amount bought, cost, and current effect. Can use basic HTML.</p></li><li><p>unlocked(): <strong>optional</strong>. A function returning a bool to determine if the buyable is visible or not. Default is unlocked.</p></li><li><p>canAfford(): A function returning a bool to determine if you can buy one of the buyables.</p></li><li><p>buy(): A function that implements buying one of the buyable, including spending the currency.</p></li><li><p>buyMax(): <strong>optional</strong>. A function that implements buying as many of the buyable as possible.</p></li><li><p>style: <strong>optional</strong>. Applies CSS to this buyable, in the form of an object where the keys are CSS attributes, and the values are the values for those attributes (both as strings).</p></li><li><p>purchaseLimit: <strong>optional</strong>. The limit on how many of the buyable can be bought. The default is no limit.</p></li><li><p>marked: <strong>optional</strong> Adds a mark to the corner of the buyable. If it's "true" it will be a star, but it can also be an image URL.</p></li><li><p>layer: <strong>assigned automagically</strong>. It's the same value as the name of this layer, so you can do <code>player[this.layer].points</code> or similar.</p></li><li><p>id: <strong>assigned automagically</strong>. It's the "key" which the buyable was stored under, for convenient access. The buyable in the example's id is 11.</p></li></ul><p>Sell One/Sell All:</p><p>Including a <code>sellOne</code> or <code>sellAll</code> function will cause an additional button to appear beneath the buyable. They are functionally identical, but "sell one" appears above "sell all". You can also use them for other things.</p><ul><li><p>sellOne/sellAll(): <strong>optional</strong>. Called when the button is pressed. The standard use would be to decrease/reset the amount of the buyable, and possibly return some currency to the player.</p></li><li><p>canSellOne/canSellAll(): <strong>optional</strong>. booleans determining whether or not to show the buttons. If "canSellOne/All" is absent but "sellOne/All" is present, the appropriate button will always show.</p></li></ul><p>To add a respec button, or something similar, add the respecBuyables function to the main buyables object (not individual buyables). You can use these features along with it:</p><ul><li><p>respec(): <strong>optional</strong>. This is called when the button is pressed (after a toggleable confirmation message).</p></li><li><p>respecText: <strong>optional</strong>. Text to display on the respec Button.</p></li><li><p>showRespec(): <strong>optional</strong>. A function determining whether or not to show the button, if respecBuyables is defined. Defaults to true if absent.</p></li><li><p>respecMessage: <strong>optional</strong>. A custom confirmation message on respec, in place of the default one.</p></li></ul></div></div></main><footerclass="VPDocFooter"data-v-39a288b8data-v-d4a0bba5><!--[--><!--]--><!----><navclass="prev-next"aria-labelledby="doc-footer-aria-label"data-v-d4a0bba5><spanclass="visually-hidden"id="doc-footer-ar
