chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,50 @@
+const compactFormatter = Intl.NumberFormat("en", { notation: "compact", compactDisplay: "short" });
+
+export const formatNumberCompact = (num: number): string => {
+  return compactFormatter.format(num);
+};
+
+const formatter = Intl.NumberFormat("en");
+
+// Formatter for small decimal values that need more precision
+const preciseFormatter = Intl.NumberFormat("en", {
+  minimumSignificantDigits: 1,
+  maximumSignificantDigits: 6,
+});
+
+export const formatNumber = (num: number): string => {
+  // For very small numbers (between -1 and 1, exclusive), use precise formatting
+  // to avoid rounding 0.000025 to 0
+  if (num !== 0 && Math.abs(num) < 1) {
+    return preciseFormatter.format(num);
+  }
+  return formatter.format(num);
+};
+
+const roundedCurrencyFormatter = Intl.NumberFormat("en-US", {
+  style: "currency",
+  currencyDisplay: "symbol",
+  maximumFractionDigits: 0,
+  currency: "USD",
+});
+const currencyFormatter = Intl.NumberFormat("en-US", {
+  style: "currency",
+  currencyDisplay: "symbol",
+  currency: "USD",
+});
+
+export const formatCurrency = (num: number, rounded: boolean): string => {
+  return rounded ? roundedCurrencyFormatter.format(num) : currencyFormatter.format(num);
+};
+
+const accurateCurrencyFormatter = Intl.NumberFormat("en-US", {
+  style: "currency",
+  currencyDisplay: "symbol",
+  minimumFractionDigits: 8,
+  maximumFractionDigits: 8,
+  currency: "USD",
+});
+
+export function formatCurrencyAccurate(num: number): string {
+  return accurateCurrencyFormatter.format(num);
+}