init: add source code from src.zip

src/ink/measure-element.ts

@@ -0,0 +1,23 @@
+import type { DOMElement } from './dom.js'
+
+type Output = {
+  /**
+   * Element width.
+   */
+  width: number
+
+  /**
+   * Element height.
+   */
+  height: number
+}
+
+/**
+ * Measure the dimensions of a particular `<Box>` element.
+ */
+const measureElement = (node: DOMElement): Output => ({
+  width: node.yogaNode?.getComputedWidth() ?? 0,
+  height: node.yogaNode?.getComputedHeight() ?? 0,
+})
+
+export default measureElement