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td-javascript-sdk

Expert assistance for importing data to Treasure Data using the JavaScript SDK. Use this skill when users need help with browser-based event tracking, page analytics, client-side data collection, or implementing TD's JS SDK for web applications.

$ Instalar

git clone https://github.com/treasure-data/td-skills /tmp/td-skills && cp -r /tmp/td-skills/sdk-skills/javascript ~/.claude/skills/td-skills

// tip: Run this command in your terminal to install the skill

SKILL.md

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name: td-javascript-sdk description: Expert assistance for importing data to Treasure Data using the JavaScript SDK. Use this skill when users need help with browser-based event tracking, page analytics, client-side data collection, or implementing TD's JS SDK for web applications.

Treasure Data JavaScript SDK

Browser-only SDK for client-side event tracking. For server-side, use REST API or pytd.

Quick Start: Pageview Tracking

Add to HTML <head>:

<!-- TD JS SDK Loader (v4.4.1) -->
<script type="text/javascript">
!function(t,e){if(void 0===e[t]){e[t]=function(){e[t].clients.push(this),this._init=[Array.prototype.slice.call(arguments)]},e[t].clients=[];for(var r=function(t){return function(){return this["_"+t]=this["_"+t]||[],this["_"+t].push(Array.prototype.slice.call(arguments)),this}},s=["collectTags","addRecord","blockEvents","fetchServerCookie","fetchGlobalID","fetchUserSegments","fetchPersonalization","resetUUID","ready","setSignedMode","setAnonymousMode","set","trackEvent","trackPageview","trackClicks","unblockEvents"],c=0;c<s.length;c++){var o=s[c];e[t].prototype[o]=r(o)}var n=document.createElement("script");n.type="text/javascript",n.async=!0,n.src="https://cdn.treasuredata.com/sdk/4.4.1/td.min.js";var i=document.getElementsByTagName("script")[0];i.parentNode.insertBefore(n,i)}}("Treasure",this);
</script>

<!-- Initialize and track -->
<script type="text/javascript">
var td = new Treasure({
  database: 'your_database',
  writeKey: '1234/xxxxxxxx',  // write-only API key
  host: 'us01.records.in.treasuredata.com'
});
td.trackPageview('pageviews');
</script>

Configuration

var td = new Treasure({
  database: 'your_database',        // required
  writeKey: '1234/xxxxxxxx',        // required, write-only API key
  host: 'us01.records.in.treasuredata.com',  // required for v4.0+
  development: true                 // optional, enables console logging
});

Regional Streaming Endpoints (v4.0+ required):

Region	Endpoint
US	`us01.records.in.treasuredata.com`
Tokyo	`ap01.records.in.treasuredata.com`
EU	`eu01.records.in.treasuredata.com`
AP	`ap02.records.in.treasuredata.com`

Core Methods

// Track pageview (auto-collects URL, title, referrer, user agent, etc.)
td.trackPageview('pageviews');

// Track custom events (also auto-collects context like trackPageview)
td.trackEvent('events', { action: 'signup', location: 'header' });

// Send raw records (no auto-collected fields)
td.addRecord('purchases', { order_id: '123', amount: 99.99 });

// Auto-track clicks on links, buttons, inputs (excludes password fields)
td.trackClicks({ tableName: 'clicks' });

// Set global properties (included in all subsequent trackEvent/trackPageview calls)
td.set('$global', { user_id: 'user_123', environment: 'production' });

Auto-Collected Fields

trackPageview() and trackEvent() automatically include:

td_url, td_title, td_referrer, td_host, td_path
td_screen, td_viewport, td_language
td_user_agent, td_platform
td_client_id, td_version

Privacy Controls

td.setAnonymousMode();   // Exclude PII from tracking
td.setSignedMode();      // Include PII
td.blockEvents();        // Stop sending events
td.unblockEvents();      // Resume sending
td.resetUUID();          // Generate new client ID

NPM Installation

npm install td-js-sdk

import Treasure from 'td-js-sdk';

Resources

GitHub: https://github.com/treasure-data/td-js-sdk
CDN: https://cdn.treasuredata.com/sdk/4.4.1/td.min.js