I am trying to build a project with parcel. I have followed all the instructions from my assignment, yet this error keeps showing up on my terminal whenever I try to run:

parcel src/index.html

This is the error message:

Build failed.

@parcel/core: Unexpected output file type .html in target "main"

C:\Users\johan\myflix-client\package.json:4:11 3 | "version": "1.0.0",

4 | "main": "src/index.html", | ^^^^^^^^^^^^^^^^ File extension must be .js, .mjs, or .cjs 5 | "scripts": { 6 | "test": "echo "Error: no test specified" && exit 1"

ℹ The "main" field is meant for libraries. If you meant to output a .html file, either remove the "main" field or choose a different target name.

I have even tried to remove the "main" altogether even though I was told that I needed it there, and it just throws more errors.

Please any help on this is greatly appreciated!

I am trying to build a project with parcel. I have followed all the instructions from my assignment, yet this error keeps showing up on my terminal whenever I try to run:

parcel src/index.html

This is the error message:

Build failed.

@parcel/core: Unexpected output file type .html in target "main"

C:\Users\johan\myflix-client\package.json:4:11 3 | "version": "1.0.0",

4 | "main": "src/index.html", | ^^^^^^^^^^^^^^^^ File extension must be .js, .mjs, or .cjs 5 | "scripts": { 6 | "test": "echo "Error: no test specified" && exit 1"

ℹ The "main" field is meant for libraries. If you meant to output a .html file, either remove the "main" field or choose a different target name.

I have even tried to remove the "main" altogether even though I was told that I needed it there, and it just throws more errors.

Please any help on this is greatly appreciated!

• javascript
• npm
• package.json
• parceljs

• As the error indicates, "main" is used to refer to scripts. You cannot have it refer to an HTML file. Change that to be .js, .mjs, or .cjs. – rschristian Commented Aug 31, 2021 at 4:45

2 Answers 2

In package.json, you can try changing "main" to "default":

"default": "index.html"

changing "main" to "default" (in package.json) fixed the problem for me!