<commit_before>'use strict';

module.exports = function (grunt) {
    var azure = require('azure');
    var util = require('util');
    var path = require('path');
    var Q = require('q');
    var zlib = require('zlib');
    var mime = require('mime');
    var fs = require('fs');

    grunt.registerMultiTask('azure-cdn-deploy', 'Copy files to azure storage blob', function () {
        var options = this.options({
            serviceOptions: [], // custom arguments to azure.createBlobService
            containerName: null, // container name, required
            containerOptions: {publicAccessLevel: "blob"}, // container options
            destinationFolderPath: '', // path within container
            concurrentUploadThreads: 10, // number of concurrent uploads, choose best for your network condition
            numberOfFoldersToStripFromSourcePath: 0, // because files are passed to the task with path relative to GruntFile we may not want to have the full path in CDN
            printUrlToFile: '', // pass any of the files that will be uploaded and after upload the plugin will output the URL to console
            gzip: false, // gzip files
            metadata: {cacheControl: 'public, max-age=31556926'} // metadata for each uploaded file
        });

        if (!options.containerName) {
            grunt.fatal("containerName is required");
        }
        var blobService = azure.createBlobService.apply(azure, options.serviceOptions);
        // set up async callback
        var that = this;
        var globalAsync = this.async();

        createContainer()
            .then(deleteAllExistingBlobs)
            .then(uploadBlobs)
            .then(function () {
                globalAsync();
            }, function (error) {
                grunt.warn("Error while copying to azure " + error);
            });

        function createContainer() {
            var deferred = Q.defer();
            blobService.createContainerIfNotExists(options.containerName, options.containerOptions, function (err) {
                if (err) {
                    if (err.code === 'ContainerBeingDeleted') {
                        grunt.fatal("Container being deleted, retry in 10 seconds");
                    }
                    deferred.reject(err);
                }
                deferred.resolve();
            });
            return deferred.promise;
        }

        function deleteAllExistingBlobs() {
            var deferred = Q.defer();
            // removing all blobs in destination structure
            blobService.listBlobs(options.containerName, {prefix: options.destinationFolderPath}, function (err, blobs) {
                if (err) {
                    grunt.log.debug(err);
                    deferred.reject("Container being deleted, retrying in 10 seconds");
                }
                grunt.util.async.forEach(blobs, function (blob, next) {
                    grunt.log.debug("deleting file %s", blob.name);
                    blobService.deleteBlob(options.containerName, blob.name, function (err, success) {
                        if (err) {
                            grunt.log.debug("Error while deleting blob %s: %s", blob.name);
                            deferred.reject(err);
                        }
                        grunt.log.debug("deleted %s", blob.url);
                        next();
                    });
                }, function () {
                    grunt.log.debug("done deleting blobs");
                    deferred.resolve();
                })

            });
            return deferred.promise;
        }

        function uploadBlobs() {
            var deferred = Q.defer();
            var remaining = that.files.length;
            that.files.forEach(function (file) {
                grunt.util.async.forEachLimit(file.src, options.concurrentUploadThreads, function (source, next) {
                    // strip unneeded path
                    var meta, fnCopyToBlob;
                    var destination = source;
                    if (options.numberOfFoldersToStripFromSourcePath) {
                        destination = path.join.apply(path, source.split(path.sep).slice(options.numberOfFoldersToStripFromSourcePath));
                    }
                    destination = options.destinationFolderPath + destination;
                    // upload file
                    grunt.log.debug("Uploading file %s", source);
                    meta = clone(options.metadata);
                    meta.contentType = mime.lookup(source);
                    meta.contentEncoding =  options.gzip ? 'gzip': null;
                    fnCopyToBlob = options.gzip ? compressFileToBlobStorage : copyFileToBlobStorage;
                    fnCopyToBlob(options.containerName, destination, source, meta).
                        then(function () {
                            var msg = util.format('Uploaded %s to azure (%s/%s)', source, options.containerName, destination);
                            grunt.log.debug(msg);
                            if (source === options.printUrlToFile) {
                                blobService.listBlobs(options.containerName, {prefix: destination}, function (err, blobs) {
                                    grunt.log.ok("Uploaded to", blobs[0].url);
                                    next();
                                });
                            } else {
                                next();
                            }
                        }, function (err) {
                            grunt.log.debug("Error while copying to azure");
                            deferred.reject(err);
                        });
                }, function () {
                    // all files in a group uploaded
                    remaining--;
                    if (remaining === 0) {
                        deferred.resolve();
                    }
                });
            });
            return deferred.promise;
        }

        function compressFileToBlobStorage(containerName, destFileName, sourceFile, metadata) {
            return gzipFile(sourceFile)
                .then(function(tmpFile) {
                    return copyFileToBlobStorage(containerName, destFileName, tmpFile, metadata)
                        .finally(function(){
                            fs.unlinkSync(tmpFile);
                        });
                });
        }

        function copyFileToBlobStorage(containerName, destFileName, sourceFile, metadata) {
            var deferred = Q.defer();
            blobService.createBlockBlobFromFile(containerName, destFileName, sourceFile, metadata, function(err) {
                if (err) {
                    grunt.log.error(err);
                    deferred.reject(err);
                } else {
                    deferred.resolve();
                }
            });
            return deferred.promise;
        }

        function gzipFile(source){
            var tempFile;
            var deferred = Q.defer(),
                gzip = zlib.createGzip(),
                inp,
                out;

            gzip.on('error', function(err) {
                grunt.log.error(err);
                deferred.reject(err);
            });

            inp = fs.createReadStream(source);
            tempFile = source + '.zip';
            out = fs.createWriteStream(tempFile);
            out.on('close', function() {
                deferred.resolve(tempFile);
            });
            inp.pipe(gzip).pipe(out);
            return deferred.promise;
        }

        function clone(obj) {
            if (null == obj || "object" != typeof obj) return obj;
            var copy = obj.constructor();
            for (var attr in obj) {
                if (obj.hasOwnProperty(attr)) copy[attr] = obj[attr];
            }
            return copy;
        }

    });
};
<commit_msg>broken: doing upload of gzip files if they are smaller<commit_after>'use strict';

module.exports = function (grunt) {
    var azure = require('azure');
    var util = require('util');
    var path = require('path');
    var Q = require('q');
    var zlib = require('zlib');
    var mime = require('mime');
    var fs = require('fs');

    grunt.registerMultiTask('azure-cdn-deploy', 'Copy files to azure storage blob', function () {
        var options = this.options({
            serviceOptions: [], // custom arguments to azure.createBlobService
            containerName: null, // container name, required
            containerOptions: {publicAccessLevel: "blob"}, // container options
            destinationFolderPath: '', // path within container
            concurrentUploadThreads: 10, // number of concurrent uploads, choose best for your network condition
            numberOfFoldersToStripFromSourcePath: 0, // because files are passed to the task with path relative to GruntFile we may not want to have the full path in CDN
            printUrlToFile: '', // pass any of the files that will be uploaded and after upload the plugin will output the URL to console
            gzip: false, // gzip files
            metadata: {cacheControl: 'public, max-age=31556926'} // metadata for each uploaded file
        });

        if (!options.containerName) {
            grunt.fatal("containerName is required");
        }
        var blobService = azure.createBlobService.apply(azure, options.serviceOptions);
        // set up async callback
        var that = this;
        var globalAsync = this.async();

        createContainer()
            .then(deleteAllExistingBlobs)
            .then(uploadBlobs)
            .then(function () {
                globalAsync();
            }, function (error) {
                grunt.warn("Error while copying to azure " + error);
            });

        function createContainer() {
            var deferred = Q.defer();
            blobService.createContainerIfNotExists(options.containerName, options.containerOptions, function (err) {
                if (err) {
                    if (err.code === 'ContainerBeingDeleted') {
                        grunt.fatal("Container being deleted, retry in 10 seconds");
                    }
                    deferred.reject(err);
                }
                deferred.resolve();
            });
            return deferred.promise;
        }

        function deleteAllExistingBlobs() {
            var deferred = Q.defer();
            // removing all blobs in destination structure
            blobService.listBlobs(options.containerName, {prefix: options.destinationFolderPath}, function (err, blobs) {
                if (err) {
                    grunt.log.debug(err);
                    deferred.reject("Container being deleted, retrying in 10 seconds");
                }
                grunt.util.async.forEach(blobs, function (blob, next) {
                    grunt.log.debug("deleting file %s", blob.name);
                    blobService.deleteBlob(options.containerName, blob.name, function (err, success) {
                        if (err) {
                            grunt.log.debug("Error while deleting blob %s: %s", blob.name);
                            deferred.reject(err);
                        }
                        grunt.log.debug("deleted %s", blob.url);
                        next();
                    });
                }, function () {
                    grunt.log.debug("done deleting blobs");
                    deferred.resolve();
                })

            });
            return deferred.promise;
        }

        function uploadBlobs() {
            var deferred = Q.defer();
            var remaining = that.files.length;
            that.files.forEach(function (file) {
                grunt.util.async.forEachLimit(file.src, options.concurrentUploadThreads, function (source, next) {
                    // strip unneeded path
                    var meta, fnCopyToBlob;
                    var destination = source;
                    if (options.numberOfFoldersToStripFromSourcePath) {
                        destination = path.join.apply(path, source.split(path.sep).slice(options.numberOfFoldersToStripFromSourcePath));
                    }
                    destination = options.destinationFolderPath + destination;
                    // upload file
                    grunt.log.debug("Uploading file %s", source);
                    meta = clone(options.metadata);
                    meta.contentType = mime.lookup(source);
                    fnCopyToBlob = options.gzip ? compressFileToBlobStorage : copyFileToBlobStorage;
                    fnCopyToBlob(options.containerName, destination, source, meta).
                        then(function () {
                            var msg = util.format('Uploaded %s to azure (%s/%s)', source, options.containerName, destination);
                            grunt.log.debug(msg);
                            if (source === options.printUrlToFile) {
                                blobService.listBlobs(options.containerName, {prefix: destination}, function (err, blobs) {
                                    grunt.log.ok("Uploaded to", blobs[0].url);
                                    next();
                                });
                            } else {
                                next();
                            }
                        }, function (err) {
                            grunt.log.debug("Error while copying to azure");
                            deferred.reject(err);
                        });
                }, function () {
                    // all files in a group uploaded
                    remaining--;
                    if (remaining === 0) {
                        deferred.resolve();
                    }
                });
            });
            return deferred.promise;
        }

        function compressFileToBlobStorage(containerName, destFileName, sourceFile, metadata) {
            return gzipFile(sourceFile)
                .then(function(tmpFile) {
                    chooseSmallerFileAndModifyContentType(tmpFile, sourceFile, metadata)
                        .then(function (fileAndMeta) {
                            return copyFileToBlobStorage(containerName, destFileName, fileAndMeta.file, fileAndMeta.meta)
                        })
                        .finally(function(){
                            fs.unlinkSync(tmpFile);
                        });
                });
        }

        function copyFileToBlobStorage(containerName, destFileName, sourceFile, metadata) {
            var deferred = Q.defer();
            blobService.createBlockBlobFromFile(containerName, destFileName, sourceFile, metadata, function(err) {
                if (err) {
                    grunt.log.error(err);
                    deferred.reject(err);
                } else {
                    deferred.resolve();
                }
            });
            return deferred.promise;
        }

        function chooseSmallerFileAndModifyContentType(compressedFile, originalFile, metadata) {
            var deferred = Q.defer();
            meta.contentEncoding =  'gzip';
            deferred.resolve({
                meta: meta,
                file: compressedFile
            });
            return deferred.promise;
        }

        function gzipFile(source){
            var tempFile;
            var deferred = Q.defer(),
                gzip = zlib.createGzip(),
                inp,
                out;

            gzip.on('error', function(err) {
                grunt.log.error(err);
                deferred.reject(err);
            });

            inp = fs.createReadStream(source);
            tempFile = source + '.zip';
            out = fs.createWriteStream(tempFile);
            out.on('close', function() {
                deferred.resolve(tempFile);
            });
            inp.pipe(gzip).pipe(out);
            return deferred.promise;
        }

        function clone(obj) {
            if (null == obj || "object" != typeof obj) return obj;
            var copy = obj.constructor();
            for (var attr in obj) {
                if (obj.hasOwnProperty(attr)) copy[attr] = obj[attr];
            }
            return copy;
        }

    });
};
<|endoftext|>


<commit_before>import Posts from "meteor/vulcan:posts";
import { addCallback, getSetting } from 'meteor/vulcan:core';

function getEmbedlyData(url) {
  var data = {};
  var extractBase = 'http://api.embed.ly/1/extract';
  var embedlyKey = getSetting('embedlyKey');
  var thumbnailWidth = getSetting('thumbnailWidth', 200);
  var thumbnailHeight = getSetting('thumbnailHeight', 125);

  if(!embedlyKey) {
    // fail silently to still let the post be submitted as usual
    console.log("Couldn't find an Embedly API key! Please add it to your Telescope settings or remove the Embedly module."); // eslint-disable-line
    return null;
  }

  try {

    var result = Meteor.http.get(extractBase, {
      params: {
        key: embedlyKey,
        url: url,
        image_width: thumbnailWidth,
        image_height: thumbnailHeight,
        image_method: 'crop'
      }
    });

    // console.log(result)

    if (!!result.data.images && !!result.data.images.length) // there may not always be an image
      result.data.thumbnailUrl = result.data.images[0].url.replace("http:", ""); // add thumbnailUrl as its own property and remove "http"

    if (result.data.authors && result.data.authors.length > 0) {
      result.data.sourceName = result.data.authors[0].name;
      result.data.sourceUrl = result.data.authors[0].url;
    }

    var embedlyData = _.pick(result.data, 'title', 'media', 'description', 'thumbnailUrl', 'sourceName', 'sourceUrl');

    return embedlyData;

  } catch (error) {
    console.log(error); // eslint-disable-line
    // the first 13 characters of the Embedly errors are "failed [400] ", so remove them and parse the rest
    var errorObject = JSON.parse(error.message.substring(13));
    throw new Error(errorObject.error_code, errorObject.error_message);
  }
}

// For security reason, we make the media property non-modifiable by the client and
// we use a separate server-side API call to set it (and the thumbnail object if it hasn't already been set)

// Async variant that directly modifies the post object with update()
function addMediaAfterSubmit (post) {
  var set = {};
  if(post.url){
    var data = getEmbedlyData(post.url);
    if (!!data) {
      // only add a thumbnailUrl if there isn't one already
      if (!post.thumbnailUrl && !!data.thumbnailUrl) {
        set.thumbnailUrl = data.thumbnailUrl;
      }
      // add media if necessary
      if (!!data.media.html) {
        set.media = data.media;
      }
      // add source name & url if they exist
      if (!!data.sourceName && !!data.sourceUrl) {
        set.sourceName = data.sourceName;
        set.sourceUrl = data.sourceUrl;
      }
    }
    // make sure set object is not empty (Embedly call could have failed)
    if(!_.isEmpty(set)) {
      Posts.update(post._id, {$set: set});
    }
  }
}
addCallback("posts.new.async", addMediaAfterSubmit);

function updateMediaOnEdit (modifier, post) {
  var newUrl = modifier.$set.url;
  if(newUrl && newUrl !== post.url){
    var data = getEmbedlyData(newUrl);
    if(!!data) {
      if (!!data.media.html) {
        if (modifier.$unset.media) {
          delete modifier.$unset.media
        }
        modifier.$set.media = data.media;
      }

      // add source name & url if they exist
      if (!!data.sourceName && !!data.sourceUrl) {
        modifier.$set.sourceName = data.sourceName;
        modifier.$set.sourceUrl = data.sourceUrl;
      }
    }
  }
  return modifier;
}
addCallback("posts.edit.sync", updateMediaOnEdit);

var regenerateThumbnail = function (post) {
  delete post.thumbnailUrl;
  delete post.media;
  delete post.sourceName;
  delete post.sourceUrl;
  addMediaAfterSubmit(post);
};

export { getEmbedlyData, addMediaAfterSubmit, updateMediaOnEdit, regenerateThumbnail }
<commit_msg>Set embedly default thumbnail size to minimum size accepted by Facebook<commit_after>import Posts from "meteor/vulcan:posts";
import { addCallback, getSetting } from 'meteor/vulcan:core';

function getEmbedlyData(url) {
  var data = {};
  var extractBase = 'http://api.embed.ly/1/extract';
  var embedlyKey = getSetting('embedlyKey');
  // 200 x 200 is the minimum size accepted by facebook
  var thumbnailWidth = getSetting('thumbnailWidth', 200);
  var thumbnailHeight = getSetting('thumbnailHeight', 200);

  if(!embedlyKey) {
    // fail silently to still let the post be submitted as usual
    console.log("Couldn't find an Embedly API key! Please add it to your Telescope settings or remove the Embedly module."); // eslint-disable-line
    return null;
  }

  try {

    var result = Meteor.http.get(extractBase, {
      params: {
        key: embedlyKey,
        url: url,
        image_width: thumbnailWidth,
        image_height: thumbnailHeight,
        image_method: 'crop'
      }
    });

    // console.log(result)

    if (!!result.data.images && !!result.data.images.length) // there may not always be an image
      result.data.thumbnailUrl = result.data.images[0].url.replace("http:", ""); // add thumbnailUrl as its own property and remove "http"

    if (result.data.authors && result.data.authors.length > 0) {
      result.data.sourceName = result.data.authors[0].name;
      result.data.sourceUrl = result.data.authors[0].url;
    }

    var embedlyData = _.pick(result.data, 'title', 'media', 'description', 'thumbnailUrl', 'sourceName', 'sourceUrl');

    return embedlyData;

  } catch (error) {
    console.log(error); // eslint-disable-line
    // the first 13 characters of the Embedly errors are "failed [400] ", so remove them and parse the rest
    var errorObject = JSON.parse(error.message.substring(13));
    throw new Error(errorObject.error_code, errorObject.error_message);
  }
}

// For security reason, we make the media property non-modifiable by the client and
// we use a separate server-side API call to set it (and the thumbnail object if it hasn't already been set)

// Async variant that directly modifies the post object with update()
function addMediaAfterSubmit (post) {
  var set = {};
  if(post.url){
    var data = getEmbedlyData(post.url);
    if (!!data) {
      // only add a thumbnailUrl if there isn't one already
      if (!post.thumbnailUrl && !!data.thumbnailUrl) {
        set.thumbnailUrl = data.thumbnailUrl;
      }
      // add media if necessary
      if (!!data.media.html) {
        set.media = data.media;
      }
      // add source name & url if they exist
      if (!!data.sourceName && !!data.sourceUrl) {
        set.sourceName = data.sourceName;
        set.sourceUrl = data.sourceUrl;
      }
    }
    // make sure set object is not empty (Embedly call could have failed)
    if(!_.isEmpty(set)) {
      Posts.update(post._id, {$set: set});
    }
  }
}
addCallback("posts.new.async", addMediaAfterSubmit);

function updateMediaOnEdit (modifier, post) {
  var newUrl = modifier.$set.url;
  if(newUrl && newUrl !== post.url){
    var data = getEmbedlyData(newUrl);
    if(!!data) {
      if (!!data.media.html) {
        if (modifier.$unset.media) {
          delete modifier.$unset.media
        }
        modifier.$set.media = data.media;
      }

      // add source name & url if they exist
      if (!!data.sourceName && !!data.sourceUrl) {
        modifier.$set.sourceName = data.sourceName;
        modifier.$set.sourceUrl = data.sourceUrl;
      }
    }
  }
  return modifier;
}
addCallback("posts.edit.sync", updateMediaOnEdit);

var regenerateThumbnail = function (post) {
  delete post.thumbnailUrl;
  delete post.media;
  delete post.sourceName;
  delete post.sourceUrl;
  addMediaAfterSubmit(post);
};

export { getEmbedlyData, addMediaAfterSubmit, updateMediaOnEdit, regenerateThumbnail }
<|endoftext|>


<commit_before>'use strict';

var Path = require('path');
var expect = require('unexpected')
  .clone()
  .installPlugin(require('unexpected-express'))
  .installPlugin(require('unexpected-sinon'));
var connect = require('connect');
var sinon = require('sinon');
var pitm = require('../lib/piggy-in-the-middle');
var babyTolk = require('baby-tolk');
var fs = require('fs');

function getPath(path) {
  return Path.join(process.cwd(), 'examples/site', path || '');
}

describe('middleware', function () {

  var app;
  var compileCount = 0;

  before(function() {
    app = connect().use(pitm(getPath()));
    babyTolk.read = sinon.spy(babyTolk, 'read');
  });

  function expectCompiled() {
    compileCount = compileCount + 1;
    return expect(babyTolk.read, 'was called times', compileCount);
  }

  function expectCached() {
    return expect(babyTolk.read, 'was called times', compileCount);
  }

  describe('first requests', function() {

    it('should compile jade file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/' },
        response: {
          statusCode: 200,
          headers: {
            'Content-Type': 'text/html; charset=UTF-8'
          },
          body: expect.it('to contain', '
Piggy In The Middle
')
        }
      }).then(() => expectCompiled());
    });

    it('should compile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCompiled());
    });

    it('should compile coffee file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/scripts/main.js' },
        response: {
          headers: {
            'Content-Type': 'application/javascript',
            'X-SourceMap': 'main.js.map'
          },
          body: expect.it('to contain', 'console.log(')
        }
      }).then(() => expectCompiled());
    });
  });

  describe('second (cached) requests', function() {

    it('should *not* compile jade file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/' },
        response: {
          headers: {
            'Content-Type': 'text/html; charset=UTF-8'
          },
          body: expect.it('to contain', '
Piggy In The Middle
')
        }
      }).then(() => expectCached());
    });

    it('should *not* compile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCached());
    });

    it('should *not* compile coffee file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/scripts/main.js' },
        response: {
          headers: {
            'Content-Type': 'application/javascript',
            'X-SourceMap': 'main.js.map'
          },
          body: expect.it('to contain', 'console.log(')
        }
      }).then(() => expectCached());
    });

  });

  describe('third requests (after editing source)', function() {
    var pathToCSS = getPath('styles/main.styl');
    var fileContents;

    before(function(done) {
      fs.readFile(pathToCSS, function(err, contents){
        fileContents = contents;
        fs.writeFile(pathToCSS, contents+' ', function() {
          setTimeout(done, 250); // Allow 250ms for chokidar to notice the change
        });
      });
    });

    after(function(done) {
      // Revert file back to original state
      fs.writeFile(pathToCSS, fileContents, done);
    });

    it('should recompile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCompiled());
    });

  });

});
<commit_msg>Sourcemap tests<commit_after>'use strict';

var Path = require('path');
var expect = require('unexpected')
  .clone()
  .installPlugin(require('unexpected-express'))
  .installPlugin(require('unexpected-sinon'));
var connect = require('connect');
var sinon = require('sinon');
var pitm = require('../lib/piggy-in-the-middle');
var babyTolk = require('baby-tolk');
var fs = require('fs');

function getPath(path) {
  return Path.join(process.cwd(), 'examples/site', path || '');
}

describe('middleware', function () {

  var app;
  var compileCount = 0;

  before(function() {
    app = connect().use(pitm(getPath()));
    babyTolk.read = sinon.spy(babyTolk, 'read');
  });

  function expectCompiled() {
    compileCount = compileCount + 1;
    return expect(babyTolk.read, 'was called times', compileCount);
  }

  function expectCached() {
    return expect(babyTolk.read, 'was called times', compileCount);
  }

  describe('first requests', function() {

    it('should compile jade file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/' },
        response: {
          statusCode: 200,
          headers: {
            'Content-Type': 'text/html; charset=UTF-8'
          },
          body: expect.it('to contain', '
Piggy In The Middle
')
        }
      }).then(() => expectCompiled());
    });

    it('should compile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCompiled());
    });

    it('should have styl sourcemap', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css.map' },
        response: {
          statusCode: 200,
          headers: {
            'Content-Type': 'application/json'
          },
          body: {
            sources: ['/styles/main.styl'],
            mappings: expect.it('to be non-empty')
          }
        }
      }).then(() => expectCached()); // Loading source files also caches source map
    });

    it('should compile coffee file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/scripts/main.js' },
        response: {
          headers: {
            'Content-Type': 'application/javascript',
            'X-SourceMap': 'main.js.map'
          },
          body: expect.it('to contain', 'console.log(')
        }
      }).then(() => expectCompiled());
    });

    it('should have coffee sourcemap', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/scripts/main.js.map' },
        response: {
          statusCode: 200,
          headers: {
            'Content-Type': 'application/json'
          },
          body: {
            sources: ['/scripts/main.coffee'],
            mappings: expect.it('to be non-empty')
          }
        }
      }).then(() => expectCached()); // Loading source files also caches source map
    });

  });

  describe('second (cached) requests', function() {

    it('should *not* compile jade file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/' },
        response: {
          headers: {
            'Content-Type': 'text/html; charset=UTF-8'
          },
          body: expect.it('to contain', '
Piggy In The Middle
')
        }
      }).then(() => expectCached());
    });

    it('should *not* compile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCached());
    });

    it('should *not* compile coffee file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/scripts/main.js' },
        response: {
          headers: {
            'Content-Type': 'application/javascript',
            'X-SourceMap': 'main.js.map'
          },
          body: expect.it('to contain', 'console.log(')
        }
      }).then(() => expectCached());
    });

  });

  describe('third requests (after editing source)', function() {
    var pathToCSS = getPath('styles/main.styl');
    var fileContents;

    before(function(done) {
      fs.readFile(pathToCSS, function(err, contents){
        fileContents = contents;
        fs.writeFile(pathToCSS, contents+' ', function() {
          setTimeout(done, 250); // Allow 250ms for chokidar to notice the change
        });
      });
    });

    after(function(done) {
      // Revert file back to original state
      fs.writeFile(pathToCSS, fileContents, done);
    });

    it('should recompile styl file', function() {
      return expect(app, 'to yield exchange', {
        request: { url: '/styles/main.css' },
        response: {
          headers: {
            'Content-Type': 'text/css; charset=UTF-8',
            'X-SourceMap': 'main.css.map'
          },
          body: expect.it('to contain', 'body {')
        }
      }).then(() => expectCompiled());
    });

  });

});
<|endoftext|>


<commit_before>// @remove-on-eject-begin
/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
// @remove-on-eject-end
'use strict';

const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
const paths = require('./paths');
const getClientEnvironment = require('./env');

// Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './';
// Source maps are resource heavy and can cause out of memory issue for large source files.
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);

// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
  throw new Error('Production builds must have NODE_ENV=production.');
}

// Note: defined here because it will be used more than once.
const cssFilename = 'static/css/[name].[contenthash:8].css';

// ExtractTextPlugin expects the build output to be flat.
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options.
const extractTextPluginOptions = shouldUseRelativeAssetPaths
  ? // Making sure that the publicPath goes back to to build folder.
    { publicPath: Array(cssFilename.split('/').length).join('../') }
  : {};

// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
  // Don't attempt to continue if there are any errors.
  bail: true,
  // We generate sourcemaps in production. This is slow but gives good results.
  // You can exclude the *.map files from the build during deployment.
  devtool: shouldUseSourceMap ? 'source-map' : false,
  // In production, we only want to load the polyfills and the app code.
  entry: [require.resolve('./polyfills'), paths.appIndexJs],
  output: {
    // The build folder.
    path: paths.appBuild,
    // Generated JS file names (with nested folders).
    // There will be one main bundle, and one file per asynchronous chunk.
    // We don't currently advertise code splitting but Webpack supports it.
    filename: 'static/js/[name].[chunkhash:8].js',
    chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
    // We inferred the "public path" (such as / or /my-project) from homepage.
    publicPath: publicPath,
    // Point sourcemap entries to original disk location (format as URL on Windows)
    devtoolModuleFilenameTemplate: info =>
      path
        .relative(paths.appSrc, info.absoluteResourcePath)
        .replace(/\\/g, '/'),
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ['node_modules', paths.appNodeModules].concat(
      // It is guaranteed to exist because we tweak it in `env.js`
      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
    ),
    // These are the reasonable defaults supported by the Node ecosystem.
    // We also include JSX as a common component filename extension to support
    // some tools, although we do not recommend using it, see:
    // https://github.com/facebookincubator/create-react-app/issues/290
    // `web` extension prefixes have been added for better support
    // for React Native Web.
    extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
    alias: {
      // @remove-on-eject-begin
      // Resolve Babel runtime relative to react-scripts.
      // It usually still works on npm 3 without this but it would be
      // unfortunate to rely on, as react-scripts could be symlinked,
      // and thus babel-runtime might not be resolvable from the source.
      'babel-runtime': path.dirname(
        require.resolve('babel-runtime/package.json')
      ),
      // @remove-on-eject-end
      // Support React Native Web
      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
      'react-native': 'react-native-web',
    },
    plugins: [
      // Prevents users from importing files from outside of src/ (or node_modules/).
      // This often causes confusion because we only process files within src/ with babel.
      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
      // please link the files into your node_modules/ and let module-resolution kick in.
      // Make sure your source files are compiled, as they will not be processed in any way.
      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
    ],
  },
  module: {
    strictExportPresence: true,
    rules: [
      // TODO: Disable require.ensure as it's not a standard language feature.
      // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
      // { parser: { requireEnsure: false } },

      // First, run the linter.
      // It's important to do this before Babel processes the JS.
      {
        test: /\.(js|jsx|mjs)$/,
        enforce: 'pre',
        use: [
          {
            options: {
              formatter: eslintFormatter,
              eslintPath: require.resolve('eslint'),
              // @remove-on-eject-begin
              // TODO: consider separate config for production,
              // e.g. to enable no-console and no-debugger only in production.
              baseConfig: {
                extends: [require.resolve('eslint-config-react-app')],
              },
              ignore: false,
              useEslintrc: false,
              // @remove-on-eject-end
            },
            loader: require.resolve('eslint-loader'),
          },
        ],
        include: paths.appSrc,
      },
      {
        // "oneOf" will traverse all following loaders until one will
        // match the requirements. When no loader matches it will fall
        // back to the "file" loader at the end of the loader list.
        oneOf: [
          // "url" loader works just like "file" loader but it also embeds
          // assets smaller than specified size as data URLs to avoid requests.
          {
            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
            loader: require.resolve('url-loader'),
            options: {
              limit: 10000,
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // Process JS with Babel.
          {
            test: /\.(js|jsx|mjs)$/,
            include: paths.appSrc,
            loader: require.resolve('babel-loader'),
            options: {
              // @remove-on-eject-begin
              babelrc: false,
              presets: [require.resolve('babel-preset-react-app')],
              // @remove-on-eject-end
              compact: true,
            },
          },
          // The notation here is somewhat confusing.
          // "postcss" loader applies autoprefixer to our CSS.
          // "css" loader resolves paths in CSS and adds assets as dependencies.
          // "style" loader normally turns CSS into JS modules injecting <style>,
          // but unlike in development configuration, we do something different.
          // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
          // (second argument), then grabs the result CSS and puts it into a
          // separate file in our build process. This way we actually ship
          // a single CSS file in production instead of JS code injecting <style>
          // tags. If you use code splitting, however, any async bundles will still
          // use the "style" loader inside the async code so CSS from them won't be
          // in the main CSS file.
          {
            test: /\.css$/,
            loader: ExtractTextPlugin.extract(
              Object.assign(
                {
                  fallback: {
                    loader: require.resolve('style-loader'),
                    options: {
                      hmr: false,
                    },
                  },
                  use: [
                    {
                      loader: require.resolve('css-loader'),
                      options: {
                        importLoaders: 1,
                        minimize: true,
                        sourceMap: shouldUseSourceMap,
                      },
                    },
                    {
                      loader: require.resolve('postcss-loader'),
                      options: {
                        // Necessary for external CSS imports to work
                        // https://github.com/facebookincubator/create-react-app/issues/2677
                        ident: 'postcss',
                        plugins: () => [
                          require('postcss-flexbugs-fixes'),
                          autoprefixer({
                            browsers: [
                              '>1%',
                              'last 4 versions',
                              'Firefox ESR',
                              'not ie < 9', // React doesn't support IE8 anyway
                            ],
                            flexbox: 'no-2009',
                          }),
                        ],
                      },
                    },
                  ],
                },
                extractTextPluginOptions
              )
            ),
            // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
          },
          // "file" loader makes sure assets end up in the `build` folder.
          // When you `import` an asset, you get its filename.
          // This loader doesn't use a "test" so it will catch all modules
          // that fall through the other loaders.
          {
            loader: require.resolve('file-loader'),
            // Exclude `js` files to keep "css" loader working as it injects
            // it's runtime that would otherwise processed through "file" loader.
            // Also exclude `html` and `json` extensions so they get processed
            // by webpacks internal loaders.
            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
            options: {
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // ** STOP ** Are you adding a new loader?
          // Make sure to add the new loader(s) before the "file" loader.
        ],
      },
    ],
  },
  plugins: [
    // Makes some environment variables available in index.html.
    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
    // In production, it will be an empty string unless you specify "homepage"
    // in `package.json`, in which case it will be the pathname of that URL.
    new InterpolateHtmlPlugin(env.raw),
    // Generates an `index.html` file with the <script> injected.
    new HtmlWebpackPlugin({
      inject: true,
      template: paths.appHtml,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true,
      },
    }),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
    // It is absolutely essential that NODE_ENV was set to production here.
    // Otherwise React will be compiled in the very slow development mode.
    new webpack.DefinePlugin(env.stringified),
    // Minify the code.
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
        // Disabled because of an issue with Uglify breaking seemingly valid code:
        // https://github.com/facebookincubator/create-react-app/issues/2376
        // Pending further investigation:
        // https://github.com/mishoo/UglifyJS2/issues/2011
        comparisons: false,
      },
      mangle: {
        safari10: true,
      },
      output: {
        comments: false,
        // Turned on because emoji and regex is not minified properly using default
        // https://github.com/facebookincubator/create-react-app/issues/2488
        ascii_only: true,
      },
      sourceMap: shouldUseSourceMap,
    }),
    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
    new ExtractTextPlugin({
      filename: cssFilename,
    }),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
    }),
    // Generate a service worker script that will precache, and keep up to date,
    // the HTML & assets that are part of the Webpack build.
    new SWPrecacheWebpackPlugin({
      // By default, a cache-busting query parameter is appended to requests
      // used to populate the caches, to ensure the responses are fresh.
      // If a URL is already hashed by Webpack, then there is no concern
      // about it being stale, and the cache-busting can be skipped.
      dontCacheBustUrlsMatching: /\.\w{8}\./,
      filename: 'service-worker.js',
      logger(message) {
        if (message.indexOf('Total precache size is') === 0) {
          // This message occurs for every build and is a bit too noisy.
          return;
        }
        if (message.indexOf('Skipping static resource') === 0) {
          // This message obscures real errors so we ignore it.
          // https://github.com/facebookincubator/create-react-app/issues/2612
          return;
        }
        console.log(message);
      },
      minify: true,
      // For unknown URLs, fallback to the index page
      navigateFallback: publicUrl + '/index.html',
      // Ignores URLs starting from /__ (useful for Firebase):
      // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
      navigateFallbackWhitelist: [/^(?!\/__).*/],
      // Don't precache sourcemaps (they're large) and build asset manifest:
      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
    }),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty',
  },
};
<commit_msg>Set the public path to the asset manifest entries (#2544)<commit_after>// @remove-on-eject-begin
/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
// @remove-on-eject-end
'use strict';

const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const SWPrecacheWebpackPlugin = require('sw-precache-webpack-plugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
const paths = require('./paths');
const getClientEnvironment = require('./env');

// Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './';
// Source maps are resource heavy and can cause out of memory issue for large source files.
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);

// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
  throw new Error('Production builds must have NODE_ENV=production.');
}

// Note: defined here because it will be used more than once.
const cssFilename = 'static/css/[name].[contenthash:8].css';

// ExtractTextPlugin expects the build output to be flat.
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options.
const extractTextPluginOptions = shouldUseRelativeAssetPaths
  ? // Making sure that the publicPath goes back to to build folder.
    { publicPath: Array(cssFilename.split('/').length).join('../') }
  : {};

// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
  // Don't attempt to continue if there are any errors.
  bail: true,
  // We generate sourcemaps in production. This is slow but gives good results.
  // You can exclude the *.map files from the build during deployment.
  devtool: shouldUseSourceMap ? 'source-map' : false,
  // In production, we only want to load the polyfills and the app code.
  entry: [require.resolve('./polyfills'), paths.appIndexJs],
  output: {
    // The build folder.
    path: paths.appBuild,
    // Generated JS file names (with nested folders).
    // There will be one main bundle, and one file per asynchronous chunk.
    // We don't currently advertise code splitting but Webpack supports it.
    filename: 'static/js/[name].[chunkhash:8].js',
    chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
    // We inferred the "public path" (such as / or /my-project) from homepage.
    publicPath: publicPath,
    // Point sourcemap entries to original disk location (format as URL on Windows)
    devtoolModuleFilenameTemplate: info =>
      path
        .relative(paths.appSrc, info.absoluteResourcePath)
        .replace(/\\/g, '/'),
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ['node_modules', paths.appNodeModules].concat(
      // It is guaranteed to exist because we tweak it in `env.js`
      process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
    ),
    // These are the reasonable defaults supported by the Node ecosystem.
    // We also include JSX as a common component filename extension to support
    // some tools, although we do not recommend using it, see:
    // https://github.com/facebookincubator/create-react-app/issues/290
    // `web` extension prefixes have been added for better support
    // for React Native Web.
    extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
    alias: {
      // @remove-on-eject-begin
      // Resolve Babel runtime relative to react-scripts.
      // It usually still works on npm 3 without this but it would be
      // unfortunate to rely on, as react-scripts could be symlinked,
      // and thus babel-runtime might not be resolvable from the source.
      'babel-runtime': path.dirname(
        require.resolve('babel-runtime/package.json')
      ),
      // @remove-on-eject-end
      // Support React Native Web
      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
      'react-native': 'react-native-web',
    },
    plugins: [
      // Prevents users from importing files from outside of src/ (or node_modules/).
      // This often causes confusion because we only process files within src/ with babel.
      // To fix this, we prevent you from importing files out of src/ -- if you'd like to,
      // please link the files into your node_modules/ and let module-resolution kick in.
      // Make sure your source files are compiled, as they will not be processed in any way.
      new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
    ],
  },
  module: {
    strictExportPresence: true,
    rules: [
      // TODO: Disable require.ensure as it's not a standard language feature.
      // We are waiting for https://github.com/facebookincubator/create-react-app/issues/2176.
      // { parser: { requireEnsure: false } },

      // First, run the linter.
      // It's important to do this before Babel processes the JS.
      {
        test: /\.(js|jsx|mjs)$/,
        enforce: 'pre',
        use: [
          {
            options: {
              formatter: eslintFormatter,
              eslintPath: require.resolve('eslint'),
              // @remove-on-eject-begin
              // TODO: consider separate config for production,
              // e.g. to enable no-console and no-debugger only in production.
              baseConfig: {
                extends: [require.resolve('eslint-config-react-app')],
              },
              ignore: false,
              useEslintrc: false,
              // @remove-on-eject-end
            },
            loader: require.resolve('eslint-loader'),
          },
        ],
        include: paths.appSrc,
      },
      {
        // "oneOf" will traverse all following loaders until one will
        // match the requirements. When no loader matches it will fall
        // back to the "file" loader at the end of the loader list.
        oneOf: [
          // "url" loader works just like "file" loader but it also embeds
          // assets smaller than specified size as data URLs to avoid requests.
          {
            test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
            loader: require.resolve('url-loader'),
            options: {
              limit: 10000,
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // Process JS with Babel.
          {
            test: /\.(js|jsx|mjs)$/,
            include: paths.appSrc,
            loader: require.resolve('babel-loader'),
            options: {
              // @remove-on-eject-begin
              babelrc: false,
              presets: [require.resolve('babel-preset-react-app')],
              // @remove-on-eject-end
              compact: true,
            },
          },
          // The notation here is somewhat confusing.
          // "postcss" loader applies autoprefixer to our CSS.
          // "css" loader resolves paths in CSS and adds assets as dependencies.
          // "style" loader normally turns CSS into JS modules injecting <style>,
          // but unlike in development configuration, we do something different.
          // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
          // (second argument), then grabs the result CSS and puts it into a
          // separate file in our build process. This way we actually ship
          // a single CSS file in production instead of JS code injecting <style>
          // tags. If you use code splitting, however, any async bundles will still
          // use the "style" loader inside the async code so CSS from them won't be
          // in the main CSS file.
          {
            test: /\.css$/,
            loader: ExtractTextPlugin.extract(
              Object.assign(
                {
                  fallback: {
                    loader: require.resolve('style-loader'),
                    options: {
                      hmr: false,
                    },
                  },
                  use: [
                    {
                      loader: require.resolve('css-loader'),
                      options: {
                        importLoaders: 1,
                        minimize: true,
                        sourceMap: shouldUseSourceMap,
                      },
                    },
                    {
                      loader: require.resolve('postcss-loader'),
                      options: {
                        // Necessary for external CSS imports to work
                        // https://github.com/facebookincubator/create-react-app/issues/2677
                        ident: 'postcss',
                        plugins: () => [
                          require('postcss-flexbugs-fixes'),
                          autoprefixer({
                            browsers: [
                              '>1%',
                              'last 4 versions',
                              'Firefox ESR',
                              'not ie < 9', // React doesn't support IE8 anyway
                            ],
                            flexbox: 'no-2009',
                          }),
                        ],
                      },
                    },
                  ],
                },
                extractTextPluginOptions
              )
            ),
            // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
          },
          // "file" loader makes sure assets end up in the `build` folder.
          // When you `import` an asset, you get its filename.
          // This loader doesn't use a "test" so it will catch all modules
          // that fall through the other loaders.
          {
            loader: require.resolve('file-loader'),
            // Exclude `js` files to keep "css" loader working as it injects
            // it's runtime that would otherwise processed through "file" loader.
            // Also exclude `html` and `json` extensions so they get processed
            // by webpacks internal loaders.
            exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
            options: {
              name: 'static/media/[name].[hash:8].[ext]',
            },
          },
          // ** STOP ** Are you adding a new loader?
          // Make sure to add the new loader(s) before the "file" loader.
        ],
      },
    ],
  },
  plugins: [
    // Makes some environment variables available in index.html.
    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
    // In production, it will be an empty string unless you specify "homepage"
    // in `package.json`, in which case it will be the pathname of that URL.
    new InterpolateHtmlPlugin(env.raw),
    // Generates an `index.html` file with the <script> injected.
    new HtmlWebpackPlugin({
      inject: true,
      template: paths.appHtml,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true,
      },
    }),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
    // It is absolutely essential that NODE_ENV was set to production here.
    // Otherwise React will be compiled in the very slow development mode.
    new webpack.DefinePlugin(env.stringified),
    // Minify the code.
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
        // Disabled because of an issue with Uglify breaking seemingly valid code:
        // https://github.com/facebookincubator/create-react-app/issues/2376
        // Pending further investigation:
        // https://github.com/mishoo/UglifyJS2/issues/2011
        comparisons: false,
      },
      mangle: {
        safari10: true,
      },
      output: {
        comments: false,
        // Turned on because emoji and regex is not minified properly using default
        // https://github.com/facebookincubator/create-react-app/issues/2488
        ascii_only: true,
      },
      sourceMap: shouldUseSourceMap,
    }),
    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
    new ExtractTextPlugin({
      filename: cssFilename,
    }),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
      publicPath: publicPath
    }),
    // Generate a service worker script that will precache, and keep up to date,
    // the HTML & assets that are part of the Webpack build.
    new SWPrecacheWebpackPlugin({
      // By default, a cache-busting query parameter is appended to requests
      // used to populate the caches, to ensure the responses are fresh.
      // If a URL is already hashed by Webpack, then there is no concern
      // about it being stale, and the cache-busting can be skipped.
      dontCacheBustUrlsMatching: /\.\w{8}\./,
      filename: 'service-worker.js',
      logger(message) {
        if (message.indexOf('Total precache size is') === 0) {
          // This message occurs for every build and is a bit too noisy.
          return;
        }
        if (message.indexOf('Skipping static resource') === 0) {
          // This message obscures real errors so we ignore it.
          // https://github.com/facebookincubator/create-react-app/issues/2612
          return;
        }
        console.log(message);
      },
      minify: true,
      // For unknown URLs, fallback to the index page
      navigateFallback: publicUrl + '/index.html',
      // Ignores URLs starting from /__ (useful for Firebase):
      // https://github.com/facebookincubator/create-react-app/issues/2237#issuecomment-302693219
      navigateFallbackWhitelist: [/^(?!\/__).*/],
      // Don't precache sourcemaps (they're large) and build asset manifest:
      staticFileGlobsIgnorePatterns: [/\.map$/, /asset-manifest\.json$/],
    }),
    // Moment.js is an extremely popular library that bundles large locale files
    // by default due to how Webpack interprets its code. This is a practical
    // solution that requires the user to opt into importing specific locales.
    // https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
    // You can remove this if you don't use Moment.js:
    new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty',
  },
};
<|endoftext|>


<commit_before>// @remove-on-eject-begin
/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
// @remove-on-eject-end
'use strict';

const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const paths = require('./paths');
const getClientEnvironment = require('./env');

// Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './';
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);

// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
  throw new Error('Production builds must have NODE_ENV=production.');
}

// Note: defined here because it will be used more than once.
const cssFilename = 'static/css/[name].[contenthash:8].css';

// ExtractTextPlugin expects the build output to be flat.
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options.
const extractTextPluginOptions = shouldUseRelativeAssetPaths
  ? // Making sure that the publicPath goes back to to build folder.
    { publicPath: Array(cssFilename.split('/').length).join('../') }
  : {};

// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
  // Don't attempt to continue if there are any errors.
  bail: true,
  // We generate sourcemaps in production. This is slow but gives good results.
  // You can exclude the *.map files from the build during deployment.
  devtool: 'source-map',
  // In production, we only want to load the polyfills and the app code.
  entry: [require.resolve('./polyfills'), paths.appIndexJs],
  output: {
    // The build folder.
    path: paths.appBuild,
    // Generated JS file names (with nested folders).
    // There will be one main bundle, and one file per asynchronous chunk.
    // We don't currently advertise code splitting but Webpack supports it.
    filename: 'static/js/[name].[chunkhash:8].js',
    chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
    // We inferred the "public path" (such as / or /my-project) from homepage.
    publicPath: publicPath,
    // Point sourcemap entries to original disk location
    devtoolModuleFilenameTemplate: info =>
      path.relative(paths.appSrc, info.absoluteResourcePath),
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We read `NODE_PATH` environment variable in `paths.js` and pass paths here.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ['node_modules', paths.appNodeModules].concat(paths.nodePaths),
    // These are the reasonable defaults supported by the Node ecosystem.
    // We also include JSX as a common component filename extension to support
    // some tools, although we do not recommend using it, see:
    // https://github.com/facebookincubator/create-react-app/issues/290
    extensions: ['.js', '.json', '.jsx'],
    alias: {
      // @remove-on-eject-begin
      // Resolve Babel runtime relative to react-scripts.
      // It usually still works on npm 3 without this but it would be
      // unfortunate to rely on, as react-scripts could be symlinked,
      // and thus babel-runtime might not be resolvable from the source.
      'babel-runtime': path.dirname(
        require.resolve('babel-runtime/package.json')
      ),
      // @remove-on-eject-end
      // Support React Native Web
      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
      'react-native': 'react-native-web',
    },
  },
  module: {
    strictExportPresence: true,
    rules: [
      // Disable require.ensure as it's not a standard language feature.
      { parser: { requireEnsure: false } },
      // First, run the linter.
      // It's important to do this before Babel processes the JS.
      {
        test: /\.(js|jsx)$/,
        enforce: 'pre',
        use: [
          {
            options: {
              formatter: eslintFormatter,
              // @remove-on-eject-begin
              // TODO: consider separate config for production,
              // e.g. to enable no-console and no-debugger only in production.
              baseConfig: {
                extends: [require.resolve('eslint-config-react-app')],
              },
              ignore: false,
              useEslintrc: false,
              // @remove-on-eject-end
            },
            loader: require.resolve('eslint-loader'),
          },
        ],
        include: paths.appSrc,
      },
      // ** ADDING/UPDATING LOADERS **
      // The "url" loader handles all assets unless explicitly excluded.
      // The `exclude` list *must* be updated with every change to loader extensions.
      // When adding a new loader, you must add its `test`
      // as a new entry in the `exclude` list in the "url" loader.

      // "file" loader makes sure those assets end up in the `build` folder.
      // When you `import` an asset, you get its filename.
      {
        exclude: [
          /\.html$/,
          /\.(js|jsx)$/,
          /\.css$/,
          /\.json$/,
          /\.bmp$/,
          /\.gif$/,
          /\.jpe?g$/,
          /\.png$/,
        ],
        loader: require.resolve('file-loader'),
        options: {
          name: 'static/media/[name].[hash:8].[ext]',
        },
      },
      // "url" loader works just like "file" loader but it also embeds
      // assets smaller than specified size as data URLs to avoid requests.
      {
        test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
        loader: require.resolve('url-loader'),
        options: {
          limit: 10000,
          name: 'static/media/[name].[hash:8].[ext]',
        },
      },
      // Process JS with Babel.
      {
        test: /\.(js|jsx)$/,
        include: paths.appSrc,
        loader: require.resolve('babel-loader'),
        // @remove-on-eject-begin
        options: {
          babelrc: false,
          presets: [require.resolve('babel-preset-react-app')],
        },
        // @remove-on-eject-end
      },
      // The notation here is somewhat confusing.
      // "postcss" loader applies autoprefixer to our CSS.
      // "css" loader resolves paths in CSS and adds assets as dependencies.
      // "style" loader normally turns CSS into JS modules injecting <style>,
      // but unlike in development configuration, we do something different.
      // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
      // (second argument), then grabs the result CSS and puts it into a
      // separate file in our build process. This way we actually ship
      // a single CSS file in production instead of JS code injecting <style>
      // tags. If you use code splitting, however, any async bundles will still
      // use the "style" loader inside the async code so CSS from them won't be
      // in the main CSS file.
      {
        test: /\.css$/,
        include: paths.appNodeModules,
        loader: ExtractTextPlugin.extract(
          Object.assign(
            {
              fallback: require.resolve('style-loader'),
              use: [
                {
                  loader: require.resolve('css-loader'),
                  options: {
                    importLoaders: 1,
                    modules: true,
                    minimize: true,
                    sourceMap: true,
                  },
                },
                {
                  loader: require.resolve('postcss-loader'),
                  options: {
                    ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
                    plugins: () => [
                      require('postcss-flexbugs-fixes'),
                      autoprefixer({
                        browsers: [
                          '>1%',
                          'last 4 versions',
                          'Firefox ESR',
                          'not ie < 9', // React doesn't support IE8 anyway
                        ],
                        flexbox: 'no-2009',
                      }),
                    ],
                  },
                },
              ],
            },
            extractTextPluginOptions
          )
        ),
        // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
      },
      {
        test: /\.css$/,
        exclude: paths.appNodeModules,
        loader: ExtractTextPlugin.extract(
          Object.assign(
            {
              fallback: require.resolve('style-loader'),
              use: [
                {
                  loader: require.resolve('css-loader'),
                  options: {
                    importLoaders: 1,
                    modules: true,
                    minimize: true,
                    sourceMap: true,
                  },
                },
                {
                  loader: require.resolve('postcss-loader'),
                  options: {
                    ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
                    plugins: () => [
                      require('postcss-flexbugs-fixes'),
                      autoprefixer({
                        browsers: [
                          '>1%',
                          'last 4 versions',
                          'Firefox ESR',
                          'not ie < 9', // React doesn't support IE8 anyway
                        ],
                        flexbox: 'no-2009',
                      }),
                    ],
                  },
                },
              ],
            },
            extractTextPluginOptions
          )
        ),
        // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
      },
      // ** STOP ** Are you adding a new loader?
      // Remember to add the new extension(s) to the "url" loader exclusion list.
    ],
  },
  plugins: [
    // Makes some environment variables available in index.html.
    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
    // In production, it will be an empty string unless you specify "homepage"
    // in `package.json`, in which case it will be the pathname of that URL.
    new InterpolateHtmlPlugin(env.raw),
    // Generates an `index.html` file with the <script> injected.
    new HtmlWebpackPlugin({
      inject: true,
      template: paths.appHtml,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true,
      },
    }),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
    // It is absolutely essential that NODE_ENV was set to production here.
    // Otherwise React will be compiled in the very slow development mode.
    new webpack.DefinePlugin(env.stringified),
    // Minify the code.
    new WebpackParallelUglifyPlugin({
      cacheDir: path.resolve(paths.appBuild, '..', '.uglify-cache'),
      compress: {
        warnings: false,
      },
      output: {
        comments: false,
      },
      sourceMap: true,
    }),
    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
    new ExtractTextPlugin({
      filename: cssFilename,
    }),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
    }),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
  },
};
<commit_msg>Use webpack's uglify plugin<commit_after>// @remove-on-eject-begin
/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
// @remove-on-eject-end
'use strict';

const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const ManifestPlugin = require('webpack-manifest-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const paths = require('./paths');
const getClientEnvironment = require('./env');

// Webpack uses `publicPath` to determine where the app is being served from.
// It requires a trailing slash, or the file assets will get an incorrect path.
const publicPath = paths.servedPath;
// Some apps do not use client-side routing with pushState.
// For these, "homepage" can be set to "." to enable relative asset paths.
const shouldUseRelativeAssetPaths = publicPath === './';
// `publicUrl` is just like `publicPath`, but we will provide it to our app
// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript.
// Omit trailing slash as %PUBLIC_URL%/xyz looks better than %PUBLIC_URL%xyz.
const publicUrl = publicPath.slice(0, -1);
// Get environment variables to inject into our app.
const env = getClientEnvironment(publicUrl);

// Assert this just to be safe.
// Development builds of React are slow and not intended for production.
if (env.stringified['process.env'].NODE_ENV !== '"production"') {
  throw new Error('Production builds must have NODE_ENV=production.');
}

// Note: defined here because it will be used more than once.
const cssFilename = 'static/css/[name].[contenthash:8].css';

// ExtractTextPlugin expects the build output to be flat.
// (See https://github.com/webpack-contrib/extract-text-webpack-plugin/issues/27)
// However, our output is structured with css, js and media folders.
// To have this structure working with relative paths, we have to use custom options.
const extractTextPluginOptions = shouldUseRelativeAssetPaths
  ? // Making sure that the publicPath goes back to to build folder.
    { publicPath: Array(cssFilename.split('/').length).join('../') }
  : {};

// This is the production configuration.
// It compiles slowly and is focused on producing a fast and minimal bundle.
// The development configuration is different and lives in a separate file.
module.exports = {
  // Don't attempt to continue if there are any errors.
  bail: true,
  // We generate sourcemaps in production. This is slow but gives good results.
  // You can exclude the *.map files from the build during deployment.
  devtool: 'source-map',
  // In production, we only want to load the polyfills and the app code.
  entry: [require.resolve('./polyfills'), paths.appIndexJs],
  output: {
    // The build folder.
    path: paths.appBuild,
    // Generated JS file names (with nested folders).
    // There will be one main bundle, and one file per asynchronous chunk.
    // We don't currently advertise code splitting but Webpack supports it.
    filename: 'static/js/[name].[chunkhash:8].js',
    chunkFilename: 'static/js/[name].[chunkhash:8].chunk.js',
    // We inferred the "public path" (such as / or /my-project) from homepage.
    publicPath: publicPath,
    // Point sourcemap entries to original disk location
    devtoolModuleFilenameTemplate: info =>
      path.relative(paths.appSrc, info.absoluteResourcePath),
  },
  resolve: {
    // This allows you to set a fallback for where Webpack should look for modules.
    // We read `NODE_PATH` environment variable in `paths.js` and pass paths here.
    // We placed these paths second because we want `node_modules` to "win"
    // if there are any conflicts. This matches Node resolution mechanism.
    // https://github.com/facebookincubator/create-react-app/issues/253
    modules: ['node_modules', paths.appNodeModules].concat(paths.nodePaths),
    // These are the reasonable defaults supported by the Node ecosystem.
    // We also include JSX as a common component filename extension to support
    // some tools, although we do not recommend using it, see:
    // https://github.com/facebookincubator/create-react-app/issues/290
    extensions: ['.js', '.json', '.jsx'],
    alias: {
      // @remove-on-eject-begin
      // Resolve Babel runtime relative to react-scripts.
      // It usually still works on npm 3 without this but it would be
      // unfortunate to rely on, as react-scripts could be symlinked,
      // and thus babel-runtime might not be resolvable from the source.
      'babel-runtime': path.dirname(
        require.resolve('babel-runtime/package.json')
      ),
      // @remove-on-eject-end
      // Support React Native Web
      // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/
      'react-native': 'react-native-web',
    },
  },
  module: {
    strictExportPresence: true,
    rules: [
      // Disable require.ensure as it's not a standard language feature.
      { parser: { requireEnsure: false } },
      // First, run the linter.
      // It's important to do this before Babel processes the JS.
      {
        test: /\.(js|jsx)$/,
        enforce: 'pre',
        use: [
          {
            options: {
              formatter: eslintFormatter,
              // @remove-on-eject-begin
              // TODO: consider separate config for production,
              // e.g. to enable no-console and no-debugger only in production.
              baseConfig: {
                extends: [require.resolve('eslint-config-react-app')],
              },
              ignore: false,
              useEslintrc: false,
              // @remove-on-eject-end
            },
            loader: require.resolve('eslint-loader'),
          },
        ],
        include: paths.appSrc,
      },
      // ** ADDING/UPDATING LOADERS **
      // The "url" loader handles all assets unless explicitly excluded.
      // The `exclude` list *must* be updated with every change to loader extensions.
      // When adding a new loader, you must add its `test`
      // as a new entry in the `exclude` list in the "url" loader.

      // "file" loader makes sure those assets end up in the `build` folder.
      // When you `import` an asset, you get its filename.
      {
        exclude: [
          /\.html$/,
          /\.(js|jsx)$/,
          /\.css$/,
          /\.json$/,
          /\.bmp$/,
          /\.gif$/,
          /\.jpe?g$/,
          /\.png$/,
        ],
        loader: require.resolve('file-loader'),
        options: {
          name: 'static/media/[name].[hash:8].[ext]',
        },
      },
      // "url" loader works just like "file" loader but it also embeds
      // assets smaller than specified size as data URLs to avoid requests.
      {
        test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
        loader: require.resolve('url-loader'),
        options: {
          limit: 10000,
          name: 'static/media/[name].[hash:8].[ext]',
        },
      },
      // Process JS with Babel.
      {
        test: /\.(js|jsx)$/,
        include: paths.appSrc,
        loader: require.resolve('babel-loader'),
        // @remove-on-eject-begin
        options: {
          babelrc: false,
          presets: [require.resolve('babel-preset-react-app')],
        },
        // @remove-on-eject-end
      },
      // The notation here is somewhat confusing.
      // "postcss" loader applies autoprefixer to our CSS.
      // "css" loader resolves paths in CSS and adds assets as dependencies.
      // "style" loader normally turns CSS into JS modules injecting <style>,
      // but unlike in development configuration, we do something different.
      // `ExtractTextPlugin` first applies the "postcss" and "css" loaders
      // (second argument), then grabs the result CSS and puts it into a
      // separate file in our build process. This way we actually ship
      // a single CSS file in production instead of JS code injecting <style>
      // tags. If you use code splitting, however, any async bundles will still
      // use the "style" loader inside the async code so CSS from them won't be
      // in the main CSS file.
      {
        test: /\.css$/,
        include: paths.appNodeModules,
        loader: ExtractTextPlugin.extract(
          Object.assign(
            {
              fallback: require.resolve('style-loader'),
              use: [
                {
                  loader: require.resolve('css-loader'),
                  options: {
                    importLoaders: 1,
                    modules: true,
                    minimize: true,
                    sourceMap: true,
                  },
                },
                {
                  loader: require.resolve('postcss-loader'),
                  options: {
                    ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
                    plugins: () => [
                      require('postcss-flexbugs-fixes'),
                      autoprefixer({
                        browsers: [
                          '>1%',
                          'last 4 versions',
                          'Firefox ESR',
                          'not ie < 9', // React doesn't support IE8 anyway
                        ],
                        flexbox: 'no-2009',
                      }),
                    ],
                  },
                },
              ],
            },
            extractTextPluginOptions
          )
        ),
        // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
      },
      {
        test: /\.css$/,
        exclude: paths.appNodeModules,
        loader: ExtractTextPlugin.extract(
          Object.assign(
            {
              fallback: require.resolve('style-loader'),
              use: [
                {
                  loader: require.resolve('css-loader'),
                  options: {
                    importLoaders: 1,
                    modules: true,
                    minimize: true,
                    sourceMap: true,
                  },
                },
                {
                  loader: require.resolve('postcss-loader'),
                  options: {
                    ident: 'postcss', // https://webpack.js.org/guides/migrating/#complex-options
                    plugins: () => [
                      require('postcss-flexbugs-fixes'),
                      autoprefixer({
                        browsers: [
                          '>1%',
                          'last 4 versions',
                          'Firefox ESR',
                          'not ie < 9', // React doesn't support IE8 anyway
                        ],
                        flexbox: 'no-2009',
                      }),
                    ],
                  },
                },
              ],
            },
            extractTextPluginOptions
          )
        ),
        // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
      },
      // ** STOP ** Are you adding a new loader?
      // Remember to add the new extension(s) to the "url" loader exclusion list.
    ],
  },
  plugins: [
    // Makes some environment variables available in index.html.
    // The public URL is available as %PUBLIC_URL% in index.html, e.g.:
    // <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
    // In production, it will be an empty string unless you specify "homepage"
    // in `package.json`, in which case it will be the pathname of that URL.
    new InterpolateHtmlPlugin(env.raw),
    // Generates an `index.html` file with the <script> injected.
    new HtmlWebpackPlugin({
      inject: true,
      template: paths.appHtml,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeRedundantAttributes: true,
        useShortDoctype: true,
        removeEmptyAttributes: true,
        removeStyleLinkTypeAttributes: true,
        keepClosingSlash: true,
        minifyJS: true,
        minifyCSS: true,
        minifyURLs: true,
      },
    }),
    // Makes some environment variables available to the JS code, for example:
    // if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
    // It is absolutely essential that NODE_ENV was set to production here.
    // Otherwise React will be compiled in the very slow development mode.
    new webpack.DefinePlugin(env.stringified),
    // Minify the code.
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false,
      },
      output: {
        comments: false,
      },
      sourceMap: true,
    }),
    // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
    new ExtractTextPlugin({
      filename: cssFilename,
    }),
    // Generate a manifest file which contains a mapping of all asset filenames
    // to their corresponding output file so that tools can pick it up without
    // having to parse `index.html`.
    new ManifestPlugin({
      fileName: 'asset-manifest.json',
    }),
  ],
  // Some libraries import Node modules but don't use them in the browser.
  // Tell Webpack to provide empty mocks for them so importing them works.
  node: {
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
  },
};
<|endoftext|>