build(types): copy .d.ts files from src to types (#1218)

types/Breakpoint/breakpointObserver.d.ts

@@ -0,0 +1,28 @@
+import type { Readable, Subscriber, Unsubscriber } from "svelte/store";
+import type { BreakpointSize, BreakpointValue } from "./breakpoints";
+
+/**
+ * Creates a readable store that returns the current breakpoint size.
+ * It also provides functions for creating derived stores used to do comparisons.
+ */
+export function breakpointObserver(): {
+  subscribe: (
+    this: void,
+    run: Subscriber<any>,
+    invalidate?: (value?: any) => void
+  ) => Unsubscriber;
+  /**
+   * Returns a store readable store that returns whether the current
+   * breakpoint is smaller than {@link size}.
+   * @param {BreakpointSize} size Size to compare against.
+   */
+  smallerThan: (size: BreakpointSize) => Readable<boolean>;
+  /**
+   * Returns a store readable store that returns whether the current
+   * breakpoint is larger than {@link size}.
+   * @param {BreakpointSize} size Size to compare against.
+   */
+  largerThan: (size: BreakpointSize) => Readable<boolean>;
+};
+
+export default breakpointObserver;