Completly deletes all LABLELS within a given project

github.label.delete.js

// 1. CONFIGURATION
// Generate a token at: https://github.com/settings/tokens
// Scope required: 'repo' (or 'public_repo' if public)
const CONFIG = {
    token: "YOUR_ACCESS_TOKEN_HERE", 
    owner: "USERNAME_OR_ORG",
    repo: "REPOSITORY_NAME"
};

// 2. THE SCRIPT
async function nukeLabels() {
    const headers = {
        "Authorization": `token ${CONFIG.token}`,
        "Accept": "application/vnd.github.v3+json"
    };

    try {
        console.log("🔄 Fetching label list...");
        let labels = [];
        let page = 1;
        
        // Step 1: Fetch ALL labels (handling pagination)
        while (true) {
            const url = `https://api.github.com/repos/${CONFIG.owner}/${CONFIG.repo}/labels?per_page=100&page=${page}`;
            const res = await fetch(url, { headers });
            if (!res.ok) throw new Error(`Fetch failed: ${res.status} ${res.statusText}`);
            
            const data = await res.json();
            if (data.length === 0) break;
            
            labels = labels.concat(data);
            page++;
        }

        console.log(`⚠️ Found ${labels.length} labels. Deleting...`);

        // Step 2: Delete one by one
        for (const label of labels) {
            console.log(`Deleting: ${label.name}`);
            // EncodeURIComponent is vital for labels with spaces or emojis
            const deleteUrl = `https://api.github.com/repos/${CONFIG.owner}/${CONFIG.repo}/labels/${encodeURIComponent(label.name)}`;
            
            const delRes = await fetch(deleteUrl, { 
                method: "DELETE", 
                headers 
            });

            if (!delRes.ok) console.error(`Failed to delete ${label.name}`);
        }

        console.log("✅ Operation Complete: All labels deleted.");
        
    } catch (err) {
        console.error("❌ Error:", err.message);
        console.log("Double-check your Token and Repo/Owner names.");
    }
}

// 3. RUN
nukeLabels();