@yookue/ts-lang-utils/dist/esm/util/StringUtils/joinWith.js

Common lang utilities for typescript

import { defaultString } from "./defaultString";
export function joinWith(texts, separator, filter) {
  if (!texts || Array.isArray(texts) && texts.length === 0) {
    return undefined;
  }
  if (Array.isArray(texts)) {
    if (!filter) {
      return texts.join(defaultString(separator));
    }
    var array = texts.filter(filter);
    return !array || array.length === 0 ? undefined : array.join(defaultString(separator));
  }
  return !filter ? texts : filter(texts) ? texts : undefined;
}