Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

Description

@camwest

Issue

Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

Error

Error: [turbopack-node]/transforms/transforms.ts:53:10
lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
51 | }
52 | export const fromPath = (path: string) => {
> 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
54 | }
Import trace:
webpack_loaders:
[turbopack-node]/transforms/transforms.ts
[turbopack-node]/transforms/webpack-loaders.ts

Reproduce

# Next.js 15 project with Turbopack
yarn add workflow@4.0.1-beta.2
# next.config.mjs
import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
yarn dev --turbopack
curl http://localhost:3000/api/test-workflow

Expected

Workflow executes successfully.

Actual

  • ✅ Dev server starts
  • ✅ Workflow directives discovered
  • ❌ Workflow execution returns 500 error

Environment

  • workflow@4.0.1-beta.2
  • Next.js 15.5.6 with --turbopack
  • Node v22.19.0
  • Yarn 4.9.4

Workaround

Remove --turbopack flag (use webpack instead).

Impact

Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

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No one assigned

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      Issue actions

      , '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

      Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

      Description

      @camwest

      Issue

      Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

      Error

      Error: [turbopack-node]/transforms/transforms.ts:53:10
      lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
      51 | }
      52 | export const fromPath = (path: string) => {
      > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      54 | }
      Import trace:
      webpack_loaders:
      [turbopack-node]/transforms/transforms.ts
      [turbopack-node]/transforms/webpack-loaders.ts
      

      Reproduce

      # Next.js 15 project with Turbopack
      yarn add workflow@4.0.1-beta.2
      # next.config.mjs
      import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
      yarn dev --turbopack
      curl http://localhost:3000/api/test-workflow

      Expected

      Workflow executes successfully.

      Actual

      • ✅ Dev server starts
      • ✅ Workflow directives discovered
      • ❌ Workflow execution returns 500 error

      Environment

      • workflow@4.0.1-beta.2
      • Next.js 15.5.6 with --turbopack
      • Node v22.19.0
      • Yarn 4.9.4

      Workaround

      Remove --turbopack flag (use webpack instead).

      Impact

      Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

      Metadata

      Metadata

      Assignees

      No one assigned

        Labels

        No labels
        No labels

        Type

        No type

        Projects

        No projects

          Milestone

          No milestone

          Relationships

          None yet

          Development

          No branches or pull requests

          Issue actions

          , '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

          Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

          Description

          @camwest

          Issue

          Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

          Error

          Error: [turbopack-node]/transforms/transforms.ts:53:10
          lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
          51 | }
          52 | export const fromPath = (path: string) => {
          > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
          | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
          54 | }
          Import trace:
          webpack_loaders:
          [turbopack-node]/transforms/transforms.ts
          [turbopack-node]/transforms/webpack-loaders.ts
          

          Reproduce

          # Next.js 15 project with Turbopack
          yarn add workflow@4.0.1-beta.2
          # next.config.mjs
          import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
          yarn dev --turbopack
          curl http://localhost:3000/api/test-workflow

          Expected

          Workflow executes successfully.

          Actual

          • ✅ Dev server starts
          • ✅ Workflow directives discovered
          • ❌ Workflow execution returns 500 error

          Environment

          • workflow@4.0.1-beta.2
          • Next.js 15.5.6 with --turbopack
          • Node v22.19.0
          • Yarn 4.9.4

          Workaround

          Remove --turbopack flag (use webpack instead).

          Impact

          Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

          Metadata

          Metadata

          Assignees

          No one assigned

            Labels

            No labels
            No labels

            Type

            No type

            Projects

            No projects

              Milestone

              No 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

              Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

              Description

              @camwest

              Issue

              Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

              Error

              Error: [turbopack-node]/transforms/transforms.ts:53:10
              lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
              51 | }
              52 | export const fromPath = (path: string) => {
              > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
              | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              54 | }
              Import trace:
              webpack_loaders:
              [turbopack-node]/transforms/transforms.ts
              [turbopack-node]/transforms/webpack-loaders.ts
              

              Reproduce

              # Next.js 15 project with Turbopack
              yarn add workflow@4.0.1-beta.2
              # next.config.mjs
              import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
              yarn dev --turbopack
              curl http://localhost:3000/api/test-workflow

              Expected

              Workflow executes successfully.

              Actual

              • ✅ Dev server starts
              • ✅ Workflow directives discovered
              • ❌ Workflow execution returns 500 error

              Environment

              • workflow@4.0.1-beta.2
              • Next.js 15.5.6 with --turbopack
              • Node v22.19.0
              • Yarn 4.9.4

              Workaround

              Remove --turbopack flag (use webpack instead).

              Impact

              Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

              Metadata

              Metadata

              Assignees

              No one assigned

                Labels

                No labels
                No labels

                Type

                No type

                Projects

                No projects

                  Milestone

                  No 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

                  Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

                  Description

                  @camwest

                  Issue

                  Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

                  Error

                  Error: [turbopack-node]/transforms/transforms.ts:53:10
                  lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
                  51 | }
                  52 | export const fromPath = (path: string) => {
                  > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
                  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  54 | }
                  Import trace:
                  webpack_loaders:
                  [turbopack-node]/transforms/transforms.ts
                  [turbopack-node]/transforms/webpack-loaders.ts
                  

                  Reproduce

                  # Next.js 15 project with Turbopack
                  yarn add workflow@4.0.1-beta.2
                  # next.config.mjs
                  import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
                  yarn dev --turbopack
                  curl http://localhost:3000/api/test-workflow

                  Expected

                  Workflow executes successfully.

                  Actual

                  • ✅ Dev server starts
                  • ✅ Workflow directives discovered
                  • ❌ Workflow execution returns 500 error

                  Environment

                  • workflow@4.0.1-beta.2
                  • Next.js 15.5.6 with --turbopack
                  • Node v22.19.0
                  • Yarn 4.9.4

                  Workaround

                  Remove --turbopack flag (use webpack instead).

                  Impact

                  Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

                  Metadata

                  Metadata

                  Assignees

                  No one assigned

                    Labels

                    No labels
                    No labels

                    Type

                    No type

                    Projects

                    No projects

                      Milestone

                      No 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

                      Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

                      Description

                      @camwest

                      Issue

                      Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

                      Error

                      Error: [turbopack-node]/transforms/transforms.ts:53:10
                      lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
                      51 | }
                      52 | export const fromPath = (path: string) => {
                      > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
                      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      54 | }
                      Import trace:
                      webpack_loaders:
                      [turbopack-node]/transforms/transforms.ts
                      [turbopack-node]/transforms/webpack-loaders.ts
                      

                      Reproduce

                      # Next.js 15 project with Turbopack
                      yarn add workflow@4.0.1-beta.2
                      # next.config.mjs
                      import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
                      yarn dev --turbopack
                      curl http://localhost:3000/api/test-workflow

                      Expected

                      Workflow executes successfully.

                      Actual

                      • ✅ Dev server starts
                      • ✅ Workflow directives discovered
                      • ❌ Workflow execution returns 500 error

                      Environment

                      • workflow@4.0.1-beta.2
                      • Next.js 15.5.6 with --turbopack
                      • Node v22.19.0
                      • Yarn 4.9.4

                      Workaround

                      Remove --turbopack flag (use webpack instead).

                      Impact

                      Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

                      Metadata

                      Metadata

                      Assignees

                      No one assigned

                        Labels

                        No labels
                        No labels

                        Type

                        No type

                        Projects

                        No projects

                          Milestone

                          No 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

                          Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

                          Description

                          @camwest

                          Issue

                          Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

                          Error

                          Error: [turbopack-node]/transforms/transforms.ts:53:10
                          lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
                          51 | }
                          52 | export const fromPath = (path: string) => {
                          > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
                          | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                          54 | }
                          Import trace:
                          webpack_loaders:
                          [turbopack-node]/transforms/transforms.ts
                          [turbopack-node]/transforms/webpack-loaders.ts
                          

                          Reproduce

                          # Next.js 15 project with Turbopack
                          yarn add workflow@4.0.1-beta.2
                          # next.config.mjs
                          import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
                          yarn dev --turbopack
                          curl http://localhost:3000/api/test-workflow

                          Expected

                          Workflow executes successfully.

                          Actual

                          • ✅ Dev server starts
                          • ✅ Workflow directives discovered
                          • ❌ Workflow execution returns 500 error

                          Environment

                          • workflow@4.0.1-beta.2
                          • Next.js 15.5.6 with --turbopack
                          • Node v22.19.0
                          • Yarn 4.9.4

                          Workaround

                          Remove --turbopack flag (use webpack instead).

                          Impact

                          Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

                          Metadata

                          Metadata

                          Assignees

                          No one assigned

                            Labels

                            No labels
                            No labels

                            Type

                            No type

                            Projects

                            No projects

                              Milestone

                              No 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

                              Workflow execution fails with Turbopack: TP1006 path.join is very dynamic #35

                              Description

                              @camwest

                              Issue

                              Workflows fail to execute when using Next.js with Turbopack (default in Next.js 16).

                              Error

                              Error: [turbopack-node]/transforms/transforms.ts:53:10
                              lint TP1006 path.join(???*0*, (???*2* ? ???*5* : ???*7*)) is very dynamic
                              51 | }
                              52 | export const fromPath = (path: string) => {
                              > 53 | return join(contextDir, sep \!== '/' ? path.replaceAll('/', sep) : path)
                              | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                              54 | }
                              Import trace:
                              webpack_loaders:
                              [turbopack-node]/transforms/transforms.ts
                              [turbopack-node]/transforms/webpack-loaders.ts
                              

                              Reproduce

                              # Next.js 15 project with Turbopack
                              yarn add workflow@4.0.1-beta.2
                              # next.config.mjs
                              import { withWorkflow } from "workflow/next";export default withWorkflow(nextConfig);# Create basic workflow with "use workflow" directive
                              yarn dev --turbopack
                              curl http://localhost:3000/api/test-workflow

                              Expected

                              Workflow executes successfully.

                              Actual

                              • ✅ Dev server starts
                              • ✅ Workflow directives discovered
                              • ❌ Workflow execution returns 500 error

                              Environment

                              • workflow@4.0.1-beta.2
                              • Next.js 15.5.6 with --turbopack
                              • Node v22.19.0
                              • Yarn 4.9.4

                              Workaround

                              Remove --turbopack flag (use webpack instead).

                              Impact

                              Critical for Next.js 16 adoption: Next.js 16 uses Turbopack by default, which will break all workflow applications on upgrade unless this is fixed or Next.js provides an opt-out mechanism.

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