social-link-parser/dist/esm/utils/parse/platforms/medium/index.js

Extract usernames, IDs, and metadata from social media URLs across 100+ platforms

import { Platforms } from '../../core/types.js';
import { normalize } from '../../utils/url.js';
import { createDomainPattern } from '../../utils/url.js';
import { QUERY_HASH } from '../../utils/constants.js';
const domains = ['medium.com'];
const DOMAIN_PATTERN = createDomainPattern(domains);
const hexId = '[a-f0-9]{12}';
export const medium = {
    id: Platforms.Medium,
    name: 'Medium',
    color: '#000000',
    domains: domains,
    patterns: {
        profile: new RegExp(`^https?://${DOMAIN_PATTERN}/@([A-Za-z0-9_-]{2,25})/?${QUERY_HASH}$`, 'i'),
        handle: /^[A-Za-z0-9_-]{2,25}$/,
        content: {
            profileUid: new RegExp(`^https?://${DOMAIN_PATTERN}/u/(${hexId})/?${QUERY_HASH}$`, 'i'),
            profileSubdomain: new RegExp(`^https?://([A-Za-z0-9-]+)\\.medium\\.com/?${QUERY_HASH}$`, 'i'),
            postUser: new RegExp(`^https?://${DOMAIN_PATTERN}/@[A-Za-z0-9_-]+/([a-z0-9-]+-${hexId})/?${QUERY_HASH}$`, 'i'),
            postP: new RegExp(`^https?://${DOMAIN_PATTERN}/p/(${hexId})/?${QUERY_HASH}$`, 'i'),
            postSubdomain: new RegExp(`^https?://([A-Za-z0-9-]+)\\.medium\\.com/([a-z0-9-]+-${hexId})/?${QUERY_HASH}$`, 'i'),
        },
    },
    detect(url) {
        if (!url.includes('medium.com'))
            return false;
        if (this.patterns.profile.test(url))
            return true;
        if (this.patterns.content) {
            for (const pattern of Object.values(this.patterns.content)) {
                if (pattern && pattern.test(url))
                    return true;
            }
        }
        return false;
    },
    extract(url, result) {
        const postUserMatch = this.patterns.content?.postUser?.exec(url);
        if (postUserMatch) {
            result.ids.postSlug = postUserMatch[1];
            result.metadata.isPost = true;
            result.metadata.contentType = 'post';
            return;
        }
        const postPMatch = this.patterns.content?.postP?.exec(url);
        if (postPMatch) {
            result.ids.postSlug = postPMatch[1];
            result.metadata.isPost = true;
            result.metadata.contentType = 'post';
            return;
        }
        const postSubdomainMatch = this.patterns.content?.postSubdomain?.exec(url);
        if (postSubdomainMatch) {
            result.ids.postSlug = postSubdomainMatch[2];
            result.metadata.isPost = true;
            result.metadata.contentType = 'post';
            return;
        }
        const profileMatch = this.patterns.profile.exec(url);
        if (profileMatch) {
            result.username = profileMatch[1];
            result.metadata.isProfile = true;
            result.metadata.contentType = 'profile';
            return;
        }
        const profileUidMatch = this.patterns.content?.profileUid?.exec(url);
        if (profileUidMatch) {
            result.userId = profileUidMatch[1];
            result.metadata.isProfile = true;
            result.metadata.contentType = 'profile';
            return;
        }
        const profileSubdomainMatch = this.patterns.content?.profileSubdomain?.exec(url);
        if (profileSubdomainMatch) {
            result.username = profileSubdomainMatch[1];
            result.metadata.isProfile = true;
            result.metadata.contentType = 'profile';
        }
    },
    validateHandle(handle) {
        return this.patterns.handle.test(handle);
    },
    buildProfileUrl(username) {
        return `https://medium.com/@${username}`;
    },
    buildContentUrl(contentType, id) {
        if (contentType === 'post') {
            return `https://medium.com/p/${id}`;
        }
        return `https://medium.com/${id}`;
    },
    normalizeUrl(url) {
        return normalize(url.replace(/[?&](source|utm_[^&]+)=[^&]+/g, ''));
    },
};
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