feat: convert pasted Mintegral click links

assets/link-converter-core.js

@@ -0,0 +1,59 @@
+((root) => {
+  function decodeKey(value) {
+    try { return decodeURIComponent(value.replace(/\+/g, ' ')); }
+    catch (_) { return value; }
+  }
+
+  function detectLinkType(link) {
+    const pathname = new URL(link).pathname.toLowerCase();
+    return /(?:^|\/)imp(?:\/|$)/.test(pathname) ? 'imp' : 'click';
+  }
+
+  function convertTrackingLink(originalLink, template) {
+    const original = originalLink.trim();
+    const parsed = new URL(original);
+    if (!['http:', 'https:'].includes(parsed.protocol)) throw new Error('仅支持 HTTP 或 HTTPS 链接');
+    if (!parsed.search) throw new Error('链接中没有可转换的查询参数');
+
+    const type = detectLinkType(original);
+    const linkTemplate = template.links[type];
+    if (!linkTemplate) {
+      const typeLabel = type === 'imp' ? 'Impression' : 'Click';
+      throw new Error(`${template.name} 暂未配置 ${typeLabel} 宏模板`);
+    }
+
+    const hashIndex = original.indexOf('#');
+    const hash = hashIndex >= 0 ? original.slice(hashIndex) : '';
+    const withoutHash = hashIndex >= 0 ? original.slice(0, hashIndex) : original;
+    const queryIndex = withoutHash.indexOf('?');
+    const base = withoutHash.slice(0, queryIndex);
+    const query = withoutHash.slice(queryIndex + 1);
+    const replacements = { platform: template.platformCode, ...linkTemplate.mappings };
+    const changes = [];
+    let parameterCount = 0;
+
+    const convertedSegments = query.split('&').map((segment) => {
+      if (!segment) return segment;
+      parameterCount += 1;
+      const equalIndex = segment.indexOf('=');
+      const rawKey = equalIndex >= 0 ? segment.slice(0, equalIndex) : segment;
+      const rawValue = equalIndex >= 0 ? segment.slice(equalIndex + 1) : '';
+      const key = decodeKey(rawKey);
+      if (!Object.prototype.hasOwnProperty.call(replacements, key)) return segment;
+
+      const replacement = String(replacements[key] ?? '');
+      if (rawValue !== replacement) changes.push({ key, from: rawValue, to: replacement });
+      return `${rawKey}=${replacement}`;
+    });
+
+    return {
+      url: `${base}?${convertedSegments.join('&')}${hash}`,
+      type,
+      changes,
+      parameterCount,
+      preservedCount: parameterCount - changes.length
+    };
+  }
+
+  root.TrackingLinkConverter = { detectLinkType, convertTrackingLink };
+})(typeof window === 'undefined' ? globalThis : window);