Light227
2017-02-24 11:52
image-webpack-loader 在webpack2中使用出错
Configure optipng's optimizationLevel option in its own options ,这里是说如果你要压缩图片,针对某一类型的,你需要单独的放到他的options里,{
optipng: {
optimizationLevel: xxx
}
}
test:/\.(png|jpg|gif|svg)$/i,
loaders: [
'url-loader?limit=1000&name=images/[name]-[hash:5].[ext]!image-webpack'
]
你们用的是mac或者 ubuntu么,在这两个环境下要安装libpng
mac: brew install libpng
ubuntu:apt-get install libpng
我是这样配置的
{
test: /\.(png|jpg|gif|svg)$/i,
use: ['url-loader?limit=1000&name=images/[name]-[hash:5].[ext]','image-webpack-loader']
}
报错是这样:
ERROR in ./images/ico_arrowB.png
Module build failed: TypeError: Cannot read property 'bypassOnDebug' of null
at Object.module.exports (C:\Users\Administrator\Desktop\cal\node_modules\image-webpack-loader\index.js:30:26)
@ ./~/css-loader!./~/autoprefixer-loader!./css/common.css 6:3955-3990
@ ./css/common.css
@ ./script/jquery-1.11.3.mini.js
@ multi ./script/user_calendar.js ./script/common.js ./laydate/laydate.js ./script/sweetalert.min.js ./script/jquery.se
archableSelect.js ./script/jquery-1.11.3.mini.js
先安装img-loader :
npm install img-loader --save-dev
然后在webpack.config.js中配置:
{ test: /\.(png|jpg|gif|svg)$/i, use: [ { loader: 'url-loader', options: { limit: 10000, name: 'assets/[name]-[hash:5].[ext]' } }, { loader: 'img-loader' } ] }
为何 会出现警告呢。。。。webpack2 按照 image-webpack-loader 的写的 那个大神帮忙看看
WARNING in ./src/images/chosen.png
(Emitted value instead of an instance of Error) DEPRECATED. Configure gifsicle's interlaced option in its own options. (gifsicle.interlaced)
@ ./~/.0.28.0@css-loader!./~/._postcss-loader@1.3.3@postcss-loader?{}!./~/._less-loader@4.0.3@less-loader/dist!./src/components/layer/layer.less 6:192-226
@ ./src/components/layer/layer.less
@ ./src/components/layer/layer.js
@ ./src/app.js
WARNING in ./src/images/chosen.png
(Emitted value instead of an instance of Error) DEPRECATED. Configure optipng's optimizationLevel option in its own options. (optipng.optimizationLevel)
@ ./~/.0.28.0@css-loader!./~/._postcss-loader@1.3.3@postcss-loader?{}!./~/._less-loader@4.0.3@less-loader/dist!./src/components/layer/layer.less 6:192-226
@ ./src/components/layer/layer.less
@ ./src/components/layer/layer.js
@ ./src/app.js
loaders: [
{
test: /\.(gif|png|jpe?g|svg)$/i,
loaders: [ 'file-loader',
{
loader: 'image-webpack-loader',
query: {
progressive: true,
optimizationLevel: 7,
interlaced: false,
pngquant: {
quality: '65-90',
speed: 4
}
}
}
]
}
]
https://github.com/tcoopman/image-webpack-loader
{
test: /\.(png|jpg|gif|svg)$/i,
loaders: [
'url-loader?limit=4000&name=[name]-[hash:5].[ext]',
'image-webpack-loader'
]
}
webpack2 不能将loader省略,应完整写出: 'image-webpack-loader'
use:[
{
loader:'url-loader?limit=20000&name=assets/[name]-[hash:5].[ext]!image-webpack'
}
]
我自己换成了webpack2的配置如下:
{
test: /\.(png|jpg|gif|svg)$/i,
use: [
{
loader: 'url-loader',
options: {
name: 'assets/[name]-[hash:5].[ext]',
limit: 4000
}
},
'image-webpack-loader'
]
}
webpack深入与实战
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