extractUrls (gmail/_helpers.mjs)

Utility functions for extracting URLs and validating Gmail message content, including auth headers.

// Source: https://github.com/career-ops-hq/career-ops | License: MIT | Copyright 2026 Santiago Fernández de Valderrama
// Provided via justclaw.it.com; keep this notice with the code.
// @ts-check
// Pure, side-effect-free Gmail helpers. Ported verbatim from the gmail-helpers
// contributed by @SparshGarg999 in #1203 (with thanks). Files prefixed with _
// are never discovered as plugins.

/**
 * Extract all http/https URLs from a string (plain text or HTML). Normalizes
 * & and strips trailing punctuation. Dedups.
 * @param {string} body
 * @returns {string[]}
 */
export function extractUrls(body) {
  if (!body) return [];
  const urls = [];
  const regex = /https?:\/\/[^\s"'<>\(\)]+/gi;
  let match;
  while ((match = regex.exec(body)) !== null) {
    const url = match[0].replace(/[.

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