Change what directory Babel plugins are resolved against?

I'm getting this error:

Unknown plugin "transform-class-properties" specified in "base" at 0, attempted to resolve relative to "/home/me/Projects/myproj/src"

The message is pretty clear, so I know why it's happening, but I want to change where Babel looks for the plugins/presets/packages.

I'm using Babel with rollup via rollup-plugin-babel.

The options I'm giving it are:

{ plugins: [ 'transform-class-properties', 'transform-object-rest-spread' ],   babelrc: false } 

However, I can't find an option to change where Babel looks for the plugins. Is there no way to do this without rewriting my plugins list to use absolute paths?

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I also can't find a public API method for extracting the dependencies from .babelrc, so it's pretty hard to manually rewrite the file to use full paths. N.B. Babel configs might also be stored in package.json, and there's been some talk about adding support for .babelrc.js too -- I really don't want to maintain my own project that searches for all the different places a babel config might be hiding, parse the file(s), and scan it for all the plugins, with and without the arbitrary babel-plugin- prefixes.

1 Answers

Answers 1

You can use NODE_PATH to do the same.

$ npx babel test.js Unknown plugin "external-helpers" specified in "/Users/tarun.lalwani/Desktop/babeltest/.babelrc" at 0, attempted to resolve relative to "/Users/tarun.lalwani/Desktop/babeltest" 

After specifying the path for modules in a different location

$ NODE_PATH=/Users/tarun.lalwani/Desktop/babeltest2/node_modules npx babel test.js function test() {    this.abc = function (url) {       return console.log(url);    }; } 

NODE_PATH environment variable allows you to specify additional locations where the modules can be searched for

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