import LinkifyIt, {Match} from "linkify-it"; import {Part} from "./merge"; export type LinkPart = Part & { link: string; }; type OurMatch = Match & { noschema?: boolean; }; LinkifyIt.prototype.normalize = function normalize(match: OurMatch) { if (!match.schema) { match.schema = "http:"; match.url = "http://" + match.url; match.noschema = true; } if (match.schema === "//") { match.schema = "http:"; match.url = "http:" + match.url; match.noschema = true; } if (match.schema === "mailto:" && !/^mailto:/i.test(match.url)) { match.url = "mailto:" + match.url; } }; import tlds from "tlds"; const linkify = LinkifyIt().tlds(tlds).tlds("onion", true); // Known schemes to detect in text const commonSchemes = [ "sftp", "smb", "file", "irc", "ircs", "svn", "git", "steam", "mumble", "ts3server", "svn+ssh", "ssh", "gopher", "gemini", ]; for (const schema of commonSchemes) { linkify.add(schema + ":", "http:"); } function findLinks(text: string) { const matches = linkify.match(text) as OurMatch[]; if (!matches) { return []; } return matches.map(returnUrl); } function findLinksWithSchema(text: string) { const matches = linkify.match(text) as OurMatch[]; if (!matches) { return []; } return matches.filter((url) => !url.noschema).map(returnUrl); } function returnUrl(url: OurMatch): LinkPart { return { start: url.index, end: url.lastIndex, link: url.url, }; } export {findLinks, findLinksWithSchema};