SDK fails in ESM mode in combination with date-fns #12154

Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues

Description

@Xhale1
Xhale1
opened on May 22, 2024

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/node

SDK Version

8.2.1

Framework Version

Nodejs 20.13.1

Link to Sentry event

https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0

SDK Setup

Sentry.init({dsn: "[REDACTED]",});

Steps to Reproduce

  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command

Expected Result

Application starts up.

Actual Result

Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:

SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)

Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).

This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
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Metadata
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No labels
No labels
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
Metadata
Metadata
Assignees
Labels
No labels
No labels
Projects
Milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
Metadata
Metadata
Assignees
Labels
No labels
No labels
Projects
Milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
Metadata
Metadata
Assignees
Labels
No labels
No labels
Projects
Milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
Metadata
Metadata
Assignees
Labels
No labels
No labels
Projects
Milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
Metadata
Metadata
Assignees
Labels
No labels
No labels
Projects
Milestone
Relationships
None yet
Development
No branches or pull requests
Issue actions

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
SDK fails in ESM mode in combination with date-fns #12154
Closed
#12388
Closed
SDK fails in ESM mode in combination with date-fns#12154
#12388
Assignees
timfish
Milestone
v8 Instrumentation Issues
Description
@Xhale1
Xhale1
opened on May 22, 2024
Is there an existing issue for this?
How do you use Sentry?
Sentry Saas (sentry.io)
Which SDK are you using?
@sentry/node
SDK Version
8.2.1
Framework Version
Nodejs 20.13.1
Link to Sentry event
https://mycopilot.sentry.io/issues/5344731586/?project=6067364&query=is%3Aunresolved&referrer=issue-stream&statsPeriod=24h&stream_index=0
SDK Setup
Sentry.init({dsn: "[REDACTED]",});
Steps to Reproduce
  1. Upgrade from v7 to v8 following the migration docs
  2. Follow Sentry docs for ESM
  3. Add --import ./dist/instrument.js to the node command
Expected Result
Application starts up.
Actual Result
Application crashes with an error which seems to involve duplicate exports with ESM. An example of my particular error:
SyntaxError: Identifier '$longFormatters' has already been declared
at ModuleLoader.moduleStrategy (node:internal/modules/esm/translators:169:18)
at callTranslator (node:internal/modules/esm/loader:272:14)
at ModuleLoader.moduleProvider (node:internal/modules/esm/loader:278:30)
Upon investigating, I found my error to be related to the date-fns package and this issue. Reverting date-fns to a version without a duplicate export results in another similar error (I suspect related to the openai package duplicate export though haven't confirmed).
This issue does not occur when using the --import flag to load a file without sentry code in it, and it doesn't surface elsewhere. This error may be due to other projects misusing ESM, though I hope since the issue only surfaces with Sentry instrumentation that it may be solvable here.
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