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I will fix one n8n javascript data mapping bug with sample tests
Musab T
About this gig
An n8n Code node can fail when webhook fields move under body, arrays change shape, a value becomes null, or a valid zero is treated as missing. I repair one reproducible JavaScript data mapping issue using your sample input and expected output.
For $30: review one sanitized workflow export (up to 10 nodes), patch one Code node (up to 100 lines), and deliver the corrected code, local JavaScript fixture tests, expected outputs, cause explanation and installation notes. Three days and one in-scope correction. Written communication.
Send the workflow, failing input, expected output, error and n8n version. Remove tokens, auth headers, credentials and personal data.
Local fixture tests do not prove execution in your n8n version; run the supplied check in your test instance before activation. Live deployment, credentials, OAuth, server repair, API outages, paid API calls and full workflow redesign are excluded.
AI-assisted tools support the work with checked output. Confidential data is not sent to external AI services without approval.
Get to know Musab T
Musab T
Data mapping and automation fixes with Python and JavaScript
- FromTurkey
- Member sinceOct 2026
- Avg. response time1 hour
Languages
Turkish, English
I help with focused data and automation tasks: supplier catalog mapping for WooCommerce, reproducible JavaScript data mapping fixes in n8n, and Excel or CSV cleanup. I work from your files, clear rules and expected outputs. Deliverables include checked results, change notes and unresolved items flagged instead of guessed. I use Python, JavaScript and AI-assisted tools where appropriate. Communication can be entirely in writing. Send an anonymized sample and a short description so I can confirm the scope.
