So far I have been unsuccessful in an attempt to use the env
preset. I browsed the git issues that others have raised such as this, and implemented some of the suggestions that appeared to work for others, but no luck so far.
Here's what I'm working with:
package.json
"bundle": "browserify ./client/app.js -d -o ./public/o.js -t [ babelify --presets [ env ] ]",
"devDependencies": {
"@babel/cli": "^7.0.0-beta.40",
"@babel/preset-env": "^7.0.0-beta.40",
"babel-core": "^6.26.0",
"babelify": "^8.0.0"
...
And here is the error:
Error: Couldn't find preset "env" relative to directory "/Users/user/Documents/git/ts/client" while parsing file: /Users/user/Documents/git/ts/client/app.js
Anything I could be missing?
Many of the github issues relating to this suggest that babel-preset-env
is not installed.
Indeed it doesn't seem to be there in your package.json
. Add & install it by doing this:
npm install babel-preset-env --save
Though the earlier answers do provide the right solution and it works. But this should be installed as a dev dependency not as the core one. As this is needed only for development work. If you are using npm you can use:
npm install --save-dev babel-preset-env
or if you are using yarn as package manager then use:
yarn add --dev babel-preset-env
You just need to install babel-preset-env
and your code will compile properly.
npm install babel-preset-env
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