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webpack-profiles

Profiles support for webpack module bundler. It allows you to define multiple configuration profiles in separated file and trigger them e.g. for different build types.

Installation

$ npm install webpack-profiles --save-dev

Define profiles

Profiles are defined in profiles.js file, placed in the root directory of project. Filename can be modified (see Configuration).

Sample profiles.js:

var webpack = require('webpack');
module.exports = {
    production: {
        vars: { //section with variables passed to webpack.DefinePlugin
            API_URL: "'http://my.api.com'"
        },
        config: { //section with config merged with main webpack config
            devtool: 'source-map',
            plugins: [
                new webpack.optimize.UglifyJsPlugin()
            ]
        }
    },
    dev: {
        activeByDefault: true, // profile will be triggered if no profiles passed via cmd or options
        vars: {
            API_URL: "'http://localhost:8080'"
        },
        config: {
            devtool: eval
        }
    },
    ...
};

Applying profiles

Profiles are applied by webpack-profiles helper function, i.e. webpackProfiles(webpackConfigObject, [options]):

webpack.config.js:

    
    var webpackProfiles = require('webpack-profiles');

    var config = {
        entry: {
            app: './index.js'
        },
        output: {
            ...
        },
        plugins: [
            ...
        ],
        ...
    };
    
    module.exports = webpackProfiles(config, {profilesFilename: 'name.js'});

Activating profiles

Profiles can be activated in 3 ways:

Configuration

Options

Options can be passed as second argument to webpack-profiles helper function:

    defaults: {
        profiles: '', //multiple profiles can be pased as 'profile1,profile2,...'
        profilesFilename: 'profiles.js',
        returnProfiles: false, //see description below
        extend: {
            isDeep: true,
            arrays: 'concat'
        }
    }

Webpack configuration is merged using extendify, additional options can be passed as extend (instead of inPlace, it's always true).

returnProfiles: if you set it to true, webpack-profiles helper function will return following object:

    {
        config: *merged webpack config*,
        profiles: *array with configuration of profiles, that was used in current build*
    }

It can be useful when you want to make some custom operations depending on triggered profiles.

Command line

Some options can be passed as cmd arguments, that way they override values from options object:

  • profiles, e.g. $ webpack --profiles=dev,profile1,profile2
  • profilesFilename, e.g. $ webpack --profilesFilename=webpack.profiles.js

Command line argument can be passed in format supported by yargs.

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