Reputation: 157
I get a babel-node error. Please help me in fixing this issue.
Please see the error below
enter code here
root@ip-10-252-14-11:/home/ubuntu/workarea/sourcecode/ntdl# babel-node
node/react-render.jsx
/usr/local/lib/node_modules/@babel/core/node_modules/@babel/template/lib/builder.js:86 throw err; ^
Error: Unknown substitution "BODY" given at /usr/local/lib/node_modules/@babel/core/node_modules/@babel/template/lib/populate.js:22:15 at Array.forEach () at populatePlaceholders (/usr/local/lib/node_modules/@babel/core/node_modules/@babel/template/lib/populate.js:20:31) at /usr/local/lib/node_modules/@babel/core/node_modules/@babel/template/lib/string.js:20:51 at /usr/local/lib/node_modules/@babel/core/node_modules/@babel/template/lib/builder.js:83:14 at spec (/home/ubuntu/workarea/sourcecode/ntdl/node_modules/babel-plugin-transform-es2015-for-of/lib/index.js:159:20) at PluginPass.ForOfStatement (/home/ubuntu/workarea/sourcecode/ntdl/node_modules/babel-plugin-transform-es2015-for-of/lib/index.js:72:21) at newFn (/usr/local/lib/node_modules/@babel/core/node_modules/@babel/traverse/lib/visitors.js:223:21) at NodePath._call (/usr/local/lib/node_modules/@babel/core/node_modules/@babel/traverse/lib/path/context.js:64:19) at NodePath.call (/usr/local/lib/node_modules/@babel/core/node_modules/@babel/traverse/lib/path/context.js:38:17) ============= at exports.default (/home/ubuntu/workarea/sourcecode/ntdl/node_modules/babel-plugin-transform-es2015-for-of/lib/index.js:11:20) at /usr/local/lib/node_modules/@babel/core/lib/config/index.js:167:14 at cachedFunction (/usr/local/lib/node_modules/@babel/core/lib/config/caching.js:40:17) at loadPluginDescriptor (/usr/local/lib/node_modules/@babel/core/lib/config/index.js:202:28) at /usr/local/lib/node_modules/@babel/core/lib/config/index.js:59:16 at Array.map () at recurseDescriptors (/usr/local/lib/node_modules/@babel/core/lib/config/index.js:58:36) at recurseDescriptors (/usr/local/lib/node_modules/@babel/core/lib/config/index.js:92:27)
my babel-node version is
root@ip-10-252-14-11:/home/ubuntu/workarea/sourcecode/ntdl# babel-node --version 7.0.0-beta.40
my package.json file contents is
{
"name": "ntdl",
"version": "1.0.2",
"description": "Build and rendering server for NTDL django project",
"license": "SEE LICENSE IN license.txt",
"devDependencies": {
"babel-eslint": "^6.1.2",
"cssmin": "^0.4.3",
"eslint": "^3.11.1",
"eslint-plugin-react": "^6.8.0",
"uglify": "^0.1.5"
},
"scripts": {
"start": "concurrently --no-color \"npm run pack\" \"npm run django\"
\"npm run render\"",
"partial-start": "concurrently --no-color \"npm run pack\" \"npm run
render\"",
"start-prod": "concurrently --no-color \"uwsgi --ini
/home/ntdl/code/uwsgi.ini\" \"nginx\" \"npm run render-prod\"",
"pack": "webpack --watch --config node/webpack/webpack.config.js",
"pack-prod": "webpack --config node/webpack/webpack.production.config.js",
"django": "python manage.py runserver",
"render": "babel-node node/react-render.jsx --watch",
"render-prod": "babel-node node/react-render.jsx",
"pylint": "pylint ntdl cms search",
"eslint": "eslint static/style/style.js && eslint --ext .jsx search",
"lint": "npm run pylint && npm run eslint",
"es-index": "babel-node elasticsearch/index/create.js",
"migratedb": "python manage.py migrate"
},
"dependencies": {
"autobind-decorator": "^2.1.0",
"babel-cli": "^7.0.0-alpha.20",
"babel-core": "^7.0.0-alpha.20",
"babel-loader": "^7.1.2",
"babel-plugin-transform-decorators-legacy": "1.3.4",
"babel-plugin-transform-object-rest-spread": "^7.0.0-alpha.20",
"babel-plugin-transform-optional-chaining": "^7.0.0-alpha.20",
"babel-polyfill": "^6.23.0",
"babel-preset-env": "^2.0.0-alpha.20",
"babel-preset-react": "^7.0.0-alpha.20",
"babel-register": "^7.0.0-alpha.20",
"body-parser": "^1.17.2",
"concurrently": "^3.5.0",
"elasticsearch": "^12.1.3",
"express": "^4.15.4",
"history": "^4.7.2",
"material-ui": "^0.16.7",
"node-sass": "^3.13.0",
"openseadragon": "^2.3.0",
"pdfjs-dist": "^1.8.492",
"query-string": "^5.0.0",
"react": "^15.6.1",
"react-dom": "^15.6.1",
"react-redux": "^5.0.6",
"react-render": "^1.2.1",
"react-router": "^4.2.0",
"react-router-dom": "^4.2.2",
"react-router-redux": "^5.0.0-alpha.6",
"react-tap-event-plugin": "^2.0.1",
"redux": "^3.7.2",
"redux-thunk": "^2.2.0",
"request": "2.79.0",
"webpack": "^3.5.5",
"webpack-bundle-tracker": "0.1.0",
"yargs": "^6.6.0"
}
}
my .babelrc file contents are
{
"presets": [
"react",
["env", {
"targets": {
"browsers": ["last 2 versions", "ie >= 11"],
"node": "current"
}
}]
],
"plugins": [
"transform-decorators-legacy",
"transform-optional-chaining",/
"transform-object-rest-spread"
]
}
Please tell me how to resolve this error. and guide me the best practices for using babel
What is the difference between babel-core vs @babel/core? Please through some light over it.
With Many Thanks,
Bharath AK
Upvotes: 0
Views: 1255
Reputation: 2289
First try and delete package-lock.json
, then run npm update
Try an install babel-core using npm install --save-dev babel-core
Upvotes: 0