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`yarn` installation doesn't work :(

See original GitHub issue

Hello 😃

I am using this awesome loader but there seems to be a problem if installed with yarn. Out of the blue i get this error when building for production (basically if i use it)

ERROR in ./[...]/image.png
Module build failed: Error: spawn [...]/project-name/node_modules/pngquant-bin/vendor/pngquant ENOENT
    at exports._errnoException (util.js:1022:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
    at onErrorNT (internal/child_process.js:359:16)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)

If i install the dependencies with npm, everything works as intended. What am I doing wrong?

Thank you!

LE:

i’m using webpack2 though

this happens only with yarn 0.17 version 0.16.1 works as intended 😃

this is from the config

{
        test: /.*\.(gif|png|jpe?g|svg)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[path][hash].[ext]'

            }
          },
          {
            loader: 'image-webpack-loader',
            options: {
              progressive: true,
              optimizationLevel: 7,
              interlaced: false,
              pngquant: {
                quality: '65-90',
                speed: 4
              }
            }
          }