newline-iterator/dist/umd/newline-iterator.cjs

Line-by-line string iterator

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.newlineIterator = factory());
})(this, (function () { 'use strict';

  function _define_property(obj, key, value) {
      if (key in obj) {
          Object.defineProperty(obj, key, {
              value: value,
              enumerable: true,
              configurable: true,
              writable: true
          });
      } else {
          obj[key] = value;
      }
      return obj;
  }
  var REGEX_NEW_LINE = /\r?\n|\r/g;
  var root = typeof window === 'undefined' ? global : window;
  // biome-ignore lint/suspicious/noShadowRestrictedNames: Legacy
  var Symbol = typeof root.Symbol === 'undefined' ? {
      iterator: undefined
  } : root.Symbol;
  /**
   * Create a newline iterator recognizing CR, LF, and CRLF using the Symbol.iterator interface
   *
   * @param string The string to iterate through
   *
   * ```typescript
   * import newlineIterator from "newline-iterator";
   *
   * const iterator = newlineIterator("some\r\nstring\ncombination\r");
   * const results = [];
   * for (const line of iterator) results.push(line);
   * console.log(results); // ["some", "string", "combination"];
   * ```
   */ function newlineIterator(string) {
      var lines = string.split(REGEX_NEW_LINE).reverse();
      var iterator = _define_property({
          next: function next() {
              if (lines.length === 0) return {
                  value: null,
                  done: true
              };
              var value = lines.pop();
              if (lines.length === 0 && value.length === 0) return {
                  value: null,
                  done: true
              };
              return {
                  value: value,
                  done: false
              };
          }
      }, Symbol.iterator, function() {
          return this;
      });
      return iterator;
  }

  return newlineIterator;

}));
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