OpenTUI is here (#2685)

packages/opencode/src/util/locale.ts

@@ -0,0 +1,39 @@
+export namespace Locale {
+  export function titlecase(str: string) {
+    return str.replace(/\b\w/g, (c) => c.toUpperCase())
+  }
+
+  export function time(input: number) {
+    const date = new Date(input)
+    return date.toLocaleTimeString()
+  }
+
+  export function number(num: number): string {
+    if (num >= 1000000) {
+      return (num / 1000000).toFixed(1) + "M"
+    } else if (num >= 1000) {
+      return (num / 1000).toFixed(1) + "K"
+    }
+    return num.toString()
+  }
+
+  export function truncate(str: string, len: number): string {
+    if (str.length <= len) return str
+    return str.slice(0, len - 1) + "…"
+  }
+
+  export function truncateMiddle(str: string, maxLength: number = 35): string {
+    if (str.length <= maxLength) return str
+
+    const ellipsis = "…"
+    const keepStart = Math.ceil((maxLength - ellipsis.length) / 2)
+    const keepEnd = Math.floor((maxLength - ellipsis.length) / 2)
+
+    return str.slice(0, keepStart) + ellipsis + str.slice(-keepEnd)
+  }
+
+  export function pluralize(count: number, singular: string, plural: string): string {
+    const template = count === 1 ? singular : plural
+    return template.replace("{}", count.toString())
+  }
+}