[BUG] plugin:vite:json — Failed to parse JSON (Invalid JSON syntax: missing comma)

[rohithgowda18]

Explaining the Issue...

Summary

The dev-server error was caused by invalid JSON in two data files: javascript.json and html.json.
Both errors were due to a missing comma after the "tag": "js" / "tag": "html" properties for the Programiz entries, which made the JSON unparsable and triggered Vite's JSON plugin overlay.

What I changed

Fixed syntax by adding the missing commas in:

• javascript.json
• html.json

Why it broke

JSON must be strictly valid. A missing comma between object properties makes the whole file invalid.
Vite tries to parse .json imports at build/dev time; when parsing fails it throws the overlay error you saw:

Example error: [plugin:vite:json] Failed to parse JSON file, invalid JSON syntax found at line ...

That prevented the dev server from finishing its transform step.

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Solution

1. Add the missing comma after each "tag" property in the affected entries of both files (javascript.json and html.json).
2. Save the files. Restart Vite dev-server if needed.
3. Verify the JSON is valid (you can use online JSON validators) and confirm Vite overlay errors no longer occur.

After this fix, the dev-server should start and the overlays for JSON syntax errors will be gone.

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