-{"key":"javascript.performance-onboarding-2-configure","type":"language","doc_link":"https://docs.sentry.io/platforms/javascript/tracing/","name":"JavaScript","aliases":[],"categories":[],"body":"<h4 id=\"configure\" style=\"position:relative;\">Configure</h4>\n<p>Configuration should happen as early as possible in your application's lifecycle.</p>\n<p>Once this is done, Sentry's JavaScript SDK captures all unhandled exceptions and transactions.</p>\n<div class=\"gatsby-highlight\" data-language=\"javascript\"><pre class=\"language-javascript highlight\"><code class=\"language-javascript\"><span class=\"token keyword\">import</span> <span class=\"token operator\">*</span> <span class=\"token keyword\">as</span> Sentry <span class=\"token keyword\">from</span> <span class=\"token string\">\"@sentry/browser\"</span><span class=\"token punctuation\">;</span>\n\nSentry<span class=\"token punctuation\">.</span><span class=\"token function\">init</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">{</span>\n <span class=\"token literal-property property\">dsn</span><span class=\"token operator\">:</span> <span class=\"token string\">\"___PUBLIC_DSN___\"</span><span class=\"token punctuation\">,</span>\n <span class=\"token literal-property property\">integrations</span><span class=\"token operator\">:</span> <span class=\"token punctuation\">[</span><span class=\"token keyword\">new</span> <span class=\"token class-name\">Sentry<span class=\"token punctuation\">.</span>BrowserTracing</span><span class=\"token punctuation\">(</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span>\n\n <span class=\"token comment\">// Set tracesSampleRate to 1.0 to capture 100%</span>\n <span class=\"token comment\">// of transactions for performance monitoring.</span>\n <span class=\"token comment\">// We recommend adjusting this value in production</span>\n <span class=\"token literal-property property\">tracesSampleRate</span><span class=\"token operator\">:</span> <span class=\"token number\">1.0</span><span class=\"token punctuation\">,</span>\n <span class=\"token comment\">// Set `tracePropagationTargets` to control for which URLs distributed tracing should be enabled</span>\n <span class=\"token literal-property property\">tracePropagationTargets</span><span class=\"token operator\">:</span> <span class=\"token punctuation\">[</span><span class=\"token string\">\"localhost\"</span><span class=\"token punctuation\">,</span> <span class=\"token regex\"><span class=\"token regex-delimiter\">/</span><span class=\"token regex-source language-regex\">^https:\\/\\/yourserver\\.io\\/api</span><span class=\"token regex-delimiter\">/</span></span><span class=\"token punctuation\">]</span><span class=\"token punctuation\">,</span>\n<span class=\"token punctuation\">}</span><span class=\"token punctuation\">)</span><span class=\"token punctuation\">;</span></code></pre></div>\n<p>We recommend adjusting the value of <code>tracesSampleRate</code> in production. Learn more about configuring sampling in our <a href=\"https://docs.sentry.io/platforms/javascript/configuration/sampling/\">full documentation</a>.</p>"}
0 commit comments