我正在使用babel-core^5.4.7和babel-loader^5.1.2 with webpack。我也使用mobx^3.3.1和mobx-react^4.3.3版本。現在我的問題是,當我試圖通過敲擊NPM運行腕錶打造我的項目:它的WebPack拋出未知選項:package.json.presets未知選項:package.json.presets
這裏我的package.json
"devDependencies": {
"babel-core": "^5.4.7",
"babel-eslint": "^3.1.9",
"babel-loader": "^5.1.2",
"babel-plugin-react-transform": "^1.1.1",
"babel-plugin-transform-decorators-legacy": "^1.3.4",
"babel-preset-es2015": "^6.24.1",
"babel-preset-react": "^6.24.1",
"babel-preset-stage-1": "^6.24.1",
....
"webpack": "^1.9.6",
"webpack-dev-middleware": "^1.2.0",
"webpack-hot-middleware": "^2.0.0"
},
"dependencies": {
"mobx": "^3.3.1",
"mobx-react": "^4.3.3",
"prop-types": "^15.6.0",
"react": "16.0.0",
"react-dnd-html5-backend": "^2.5.4",
"react-dom": "16.0.0",
....
},
"babel": {
"presets": ["es2015", "react", "stage-1"],
"plugins": ["transform-decorators-legacy"]
}
這裏我webpack.config.dev.js
var path = require('path');
var webpack = require('webpack');
var src = path.join(__dirname, 'engine');
var dest = path.join(__dirname, 'assets/builder');
module.exports = {
devtool: 'cheap-module-source-map',
entry: [
src + '/index.jsx'
],
output: {
path: dest,
filename: 'bundle.js',
publicPath: '/assets/builder/'
},
resolve: {
extensions: ['', '.json', '.js', '.jsx'],
modulesDirectories: ['node_modules', 'bower_components', src]
},
plugins: [
new webpack.NoErrorsPlugin(),
new webpack.DefinePlugin({
'process.env': {
'FREE': process.argv.indexOf('--free') !== -1 ? JSON.stringify("free"): JSON.stringify("pro")
}
}),
],
module: {
loaders: [
{test: /\.jsx?$/, loaders: ['babel?stage=0'], include: src},
{test: /\.js?$/, loaders: ['babel?stage=0'], include: src},
{test: /\.less$/, loader: 'style!css!less'},
{test: /\.css$/, loader: 'style!css'},
{test: /\.jpe?g$|\.gif$|\.png$/, loader: "url-loader"},
{test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/, loader: "url-loader?limit=10000&minetype=application/font-woff"},
{test: /\.ttf?(\?v=[0-9]\.[0-9]\.[0-9])?$/, loader: "url-loader?limit=10000&minetype=font/ttf"},
{test: /\.(eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/, loader: "file-loader"}
]
}
};
這裏我mobx存儲與裝飾@observable
export default class ElementStore {
@observable path = null,
@observable visible = false,
@observable list = sortElementsByName(elements),
handle(handlerName, {path}) {
switch (handlerName) {
case HIDE_ELEMENTS:
// do something..
break;
case SHOW_ELEMENTS:
// do something..
break;
}
}
}
和錯誤消息是
ERROR in ./engine/index.jsx
Module build failed: ReferenceError: [BABEL] /Users/iftekhersunny/Documents/code/quix/src/lib_quix/engine/index.jsx: Unknown option: /Users/iftekhersunny/Documents/code/quix/src/lib_quix/package.json.presets
爲什麼預設是未知選項???
babel-loader版本 –
現在出現此錯誤模塊構建失敗:TypeError:fileSystem.statSync不是函數 at module.exports(/ Users/iftekhersunny/Documents/code/quix/src/lib_quix/node_modules/babel-loader/lib/utils/exists .js:7:25) –
你似乎也在使用Webpack的老版本。舊版Webpack中不存在該statSync API。您是否升級現有項目?看起來好像你是新鮮安裝的,沒有一個會成爲問題。使用當前版本的babel-loader和Webpack應該可以正常工作。 – loganfsmyth