chore: Монорепо с общими пакетами

packages/content-suggestions/src/core/parser.ts

@@ -0,0 +1,115 @@
+import type {
+  ContentEntity,
+  LinkEntity,
+  MentionEntity,
+  ParsedMention,
+  ProcessedContent,
+  TagEntity,
+} from "./types";
+
+export const mentionLinkRegexp =
+  /@\[[^\]]+]\([0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\)/g;
+
+export const parseMention = (mention: string): ParsedMention | null => {
+  const regex = /@\[([^\]]+)\]\(([\w-]{36})\)/;
+  const match = mention.match(regex);
+
+  if (!match) {
+    return null;
+  }
+
+  const mentionText = match[1];
+  const mentionId = match[2];
+  if (!mentionText || !mentionId) {
+    return null;
+  }
+
+  return {
+    mention: `@${mentionText}`,
+    id: mentionId,
+  };
+};
+
+export const findMentions = (text: string): MentionEntity[] => {
+  let match: RegExpExecArray | null;
+  const matches: MentionEntity[] = [];
+
+  while ((match = mentionLinkRegexp.exec(text)) !== null) {
+    const parsed = parseMention(match[0]);
+    const baseMention: Omit<MentionEntity, "userId"> = {
+      start: match.index,
+      end: mentionLinkRegexp.lastIndex,
+      text: match[0],
+      type: "mention",
+      displayText: parsed?.mention ?? match[0],
+    };
+
+    matches.push(parsed?.id ? { ...baseMention, userId: parsed.id } : baseMention);
+  }
+
+  return matches;
+};
+
+export const findTags = (content: string): TagEntity[] => {
+  const regex = /#[^\s]{1,201}/g;
+  const results: TagEntity[] = [];
+  let match: RegExpExecArray | null;
+
+  while ((match = regex.exec(content)) !== null) {
+    const value = match[0];
+    results.push({
+      start: match.index,
+      end: match.index + value.length,
+      text: value,
+      type: "tag",
+      tag: value.replace("#", ""),
+    });
+  }
+
+  return results;
+};
+
+export const findLinks = (content: string): LinkEntity[] => {
+  const regex =
+    /\b((https?:\/\/)?(?:[\w-]+\.)+[a-z]{2,}(\/[\w\-._~:/?#[\]@!$&'()*+,;=]*)?)/gi;
+  const results: LinkEntity[] = [];
+  let match: RegExpExecArray | null;
+
+  while ((match = regex.exec(content)) !== null) {
+    const rawUrl = match[0];
+    const hasProtocol = /^https?:\/\//i.test(rawUrl);
+    const fullUrl = hasProtocol ? rawUrl : `https://${rawUrl}`;
+
+    results.push({
+      start: match.index,
+      end: match.index + rawUrl.length,
+      text: rawUrl,
+      url: fullUrl,
+      type: "link",
+    });
+  }
+
+  return results;
+};
+
+export const findAllEntities = (content: string): ContentEntity[] => {
+  const mentions = findMentions(content);
+  const tags = findTags(content);
+  const links = findLinks(content);
+
+  return [...mentions, ...tags, ...links].sort((a, b) => a.start - b.start);
+};
+
+export const processContent = (content: string): ProcessedContent => {
+  const processedText = content.replace(mentionLinkRegexp, match => {
+    const parsed = parseMention(match);
+    return parsed ? parsed.mention : match;
+  });
+
+  const tags = findTags(content).map(tag => tag.tag);
+
+  return {
+    processedText,
+    tags,
+  };
+};