1 files changed, 30 insertions, 0 deletions
diff --git a/deno/base/lib.ts b/deno/base/lib.ts
new file mode 100644
index 0000000..3c69e0a
--- /dev/null
+++ b/deno/base/lib.ts
@@ -0,0 +1,30 @@
+function camelCaseToKebabCase(str: string): string {
+  return str.replace(/[A-Z]/g, (m) => "-" + m.toLowerCase());
+}
+
+function prependNonEmpty<T>(
+  object: T,
+  prefix: string = " ",
+): string {
+  if (object == null) return "";
+  const string = typeof object === "string" ? object : String(object);
+  return string.length === 0 ? "" : prefix + string;
+}
+
+export const StringUtils = Object.freeze({
+  camelCaseToKebabCase,
+  prependNonEmpty,
+});
+
+function toFileNameString(date: Date, dateOnly?: boolean): string {
+  const str = date.toISOString();
+  return dateOnly === true
+    ? str.slice(0, str.indexOf("T"))
+    : str.replaceAll(/:|\./g, "-");
+}
+
+export const DateUtils = Object.freeze(
+  {
+    toFileNameString,
+  } as const,
+);