Don't round partially-matched percentages to 0.00% or 100.00% (#8)

* Don't round percentages to 0.00% or 100.00%

* Remove dead code

js/util.ts

@@ -0,0 +1,11 @@
+export function clamp(value: number, min: number, max: number) {
+  return Math.min(Math.max(value, min), max);
+}
+
+// Formats a progress percentage as a string, and prevents partial matches from being rounded to 0.00% or 100.00%.
+export function formatPercent(value: number) {
+  if (value !== 0.0 && value !== 100.0) {
+    value = clamp(value, 0.01, 99.99);
+  }
+  return `${value.toFixed(2)}%`;
+}