@ai2070/l0/dist/format/utils.js

L0: The Missing Reliability Substrate for AI

function trim(str) {
  if (!str) return str;
  return str.trim();
}
function escape(str) {
  if (!str) return str;
  return str.replace(/\\/g, "\\\\").replace(/"/g, '\\"').replace(/'/g, "\\'").replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/\t/g, "\\t");
}
function unescape(str) {
  if (!str) return str;
  const BACKSLASH_PLACEHOLDER = "\0BACKSLASH\0";
  return str.replace(/\\\\/g, BACKSLASH_PLACEHOLDER).replace(/\\t/g, "	").replace(/\\r/g, "\r").replace(/\\n/g, "\n").replace(/\\'/g, "'").replace(/\\"/g, '"').replace(new RegExp(BACKSLASH_PLACEHOLDER, "g"), "\\");
}
function escapeHtml(str) {
  if (!str) return str;
  const entities = {
    "&": "&",
    "<": "&lt;",
    ">": "&gt;",
    '"': "&quot;",
    "'": "&#39;"
  };
  return str.replace(/[&<>"']/g, (char) => entities[char] || char);
}
function unescapeHtml(str) {
  if (!str) return str;
  const entities = {
    "&amp;": "&",
    "&lt;": "<",
    "&gt;": ">",
    "&quot;": '"',
    "&#39;": "'",
    "&#x27;": "'"
  };
  return str.replace(
    /&(?:amp|lt|gt|quot|#39|#x27);/g,
    (entity) => entities[entity] || entity
  );
}
function escapeRegex(str) {
  if (!str) return str;
  return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}
function sanitize(str) {
  if (!str) return str;
  return str.replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/g, "");
}
function truncate(str, maxLength, suffix = "...") {
  if (!str || str.length <= maxLength) {
    return str;
  }
  const truncateAt = maxLength - suffix.length;
  return str.slice(0, truncateAt) + suffix;
}
function truncateWords(str, maxLength, suffix = "...") {
  if (!str || str.length <= maxLength) {
    return str;
  }
  const truncateAt = maxLength - suffix.length;
  const truncated = str.slice(0, truncateAt);
  const lastSpace = truncated.lastIndexOf(" ");
  if (lastSpace > 0) {
    return truncated.slice(0, lastSpace) + suffix;
  }
  return truncated + suffix;
}
function wrap(str, width) {
  if (!str) return str;
  const words = str.split(/\s+/);
  const lines = [];
  let currentLine = "";
  for (const word of words) {
    if (currentLine.length + word.length + 1 <= width) {
      currentLine += (currentLine ? " " : "") + word;
    } else {
      if (currentLine) {
        lines.push(currentLine);
      }
      currentLine = word;
    }
  }
  if (currentLine) {
    lines.push(currentLine);
  }
  return lines.join("\n");
}
function pad(str, length, char = " ", align = "left") {
  if (!str) str = "";
  if (str.length >= length) return str;
  const padLength = length - str.length;
  switch (align) {
    case "right":
      return char.repeat(padLength) + str;
    case "center": {
      const leftPad = Math.floor(padLength / 2);
      const rightPad = padLength - leftPad;
      return char.repeat(leftPad) + str + char.repeat(rightPad);
    }
    case "left":
    default:
      return str + char.repeat(padLength);
  }
}
function removeAnsi(str) {
  if (!str) return str;
  return str.replace(
    /[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g,
    ""
  );
}
export {
  escape,
  escapeHtml,
  escapeRegex,
  pad,
  removeAnsi,
  sanitize,
  trim,
  truncate,
  truncateWords,
  unescape,
  unescapeHtml,
  wrap
};
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