Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/trim-lines/index.js

@@ -0,0 +1,69 @@
+const tab = 9 /* `\t` */
+const space = 32 /* ` ` */
+
+/**
+ * Remove initial and final spaces and tabs at the line breaks in `value`.
+ * Does not trim initial and final spaces and tabs of the value itself.
+ *
+ * @param {string} value
+ *   Value to trim.
+ * @returns {string}
+ *   Trimmed value.
+ */
+export function trimLines(value) {
+  const source = String(value)
+  const search = /\r?\n|\r/g
+  let match = search.exec(source)
+  let last = 0
+  /** @type {Array<string>} */
+  const lines = []
+
+  while (match) {
+    lines.push(
+      trimLine(source.slice(last, match.index), last > 0, true),
+      match[0]
+    )
+
+    last = match.index + match[0].length
+    match = search.exec(source)
+  }
+
+  lines.push(trimLine(source.slice(last), last > 0, false))
+
+  return lines.join('')
+}
+
+/**
+ * @param {string} value
+ *   Line to trim.
+ * @param {boolean} start
+ *   Whether to trim the start of the line.
+ * @param {boolean} end
+ *   Whether to trim the end of the line.
+ * @returns {string}
+ *   Trimmed line.
+ */
+function trimLine(value, start, end) {
+  let startIndex = 0
+  let endIndex = value.length
+
+  if (start) {
+    let code = value.codePointAt(startIndex)
+
+    while (code === tab || code === space) {
+      startIndex++
+      code = value.codePointAt(startIndex)
+    }
+  }
+
+  if (end) {
+    let code = value.codePointAt(endIndex - 1)
+
+    while (code === tab || code === space) {
+      endIndex--
+      code = value.codePointAt(endIndex - 1)
+    }
+  }
+
+  return endIndex > startIndex ? value.slice(startIndex, endIndex) : ''
+}