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webpack.config.babel.js
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webpack.config.babel.js
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import webpack from 'webpack';
import path from 'path';
const pckg = require('./package.json');
const time = new Date();
const bannerPlugin = new webpack.BannerPlugin(
`${pckg.name} ${pckg.version} (${time})
${pckg.homepage}
@license ${pckg.license}`
);
// from http://stackoverflow.com/a/34749873
/**
* Simple is object check.
* @param item
* @returns {boolean}
*/
export function isObject(item) {
return (item && typeof item === 'object' && !Array.isArray(item));
}
/**
* Deep merge two objects.
* @param target
* @param source
*/
export function mergeDeep(target, source) {
if (isObject(target) && isObject(source)) {
for (const key in source) {
if (isObject(source[key])) {
if (!target[key]) Object.assign(target, { [key]: {} });
mergeDeep(target[key], source[key]);
} else {
Object.assign(target, { [key]: source[key] });
}
}
}
return target;
}
const config = {
context: __dirname,
devtool: 'source-map',
entry: {
wavesurfer: path.resolve(__dirname, 'src', 'wavesurfer.js')
},
output: {
path: path.resolve(__dirname, 'dist'),
publicPath: 'localhost:8080/dist/',
filename: '[name].js',
library: 'WaveSurfer',
libraryTarget: 'umd',
umdNamedDefine: true
},
devServer: {
contentBase: [
path.join(__dirname)
],
publicPath: 'localhost:8080/dist/',
watchContentBase: true
},
performance: {
hints: false
},
module: {
rules: [
{
test: /\.js$/,
enforce: 'pre',
exclude: /node_modules/,
use: [{
loader: 'eslint-loader'
}]
}, {
test: /\.js$/,
exclude: /node_modules/,
use: [{
loader: 'babel-loader',
options: {
plugins: ["transform-class-properties", "add-module-exports"],
presets: [
['es2015', { modules: false }],
'stage-0'
]
}
}]
}
]
},
plugins: [
bannerPlugin
],
};
/**
* buildPluginEntry - Description
*
* @param {Array} plugins Name of plugins in src/plugin
*
* @returns {object} Entry object { name: nameUrl }
*/
function buildPluginEntry(plugins) {
const result = {};
plugins.forEach(plugin => result[plugin] = path.resolve(__dirname, 'src', 'plugin', plugin));
return result;
}
export default function (options) {
if (options) {
if (options.test) {
mergeDeep(config, {
devtool: 'source-map',
// @TODO: Remove this and allow normal linting for tests and fix
// the linting issues. (test files should have the same rules
// property as the rest of the code)
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: [{
loader: 'babel-loader',
options: {
plugins: ["transform-class-properties", "add-module-exports"],
presets: [
['es2015', { modules: false }],
'stage-0'
]
}
}]
}
]
}
})
}
// html init code
if (options.htmlinit) {
delete config.entry;
mergeDeep(config, {
entry: {
'html-init': path.join(__dirname, 'src', 'html-init.js')
},
output: {
filename: 'wavesurfer-[name].js',
library: ['WaveSurfer', '[name]']
}
});
}
// plugins
if (options.plugins) {
delete config.entry;
mergeDeep(config, {
entry: buildPluginEntry([
'timeline',
'minimap',
'regions',
'spectrogram',
'cursor',
'microphone',
'elan'
]),
output: {
path: path.resolve(__dirname, 'dist', 'plugin'),
filename: 'wavesurfer.[name].js',
library: ['WaveSurfer', '[name]'],
publicPath: 'localhost:8080/dist/plugin/'
},
devServer: {
publicPath: 'localhost:8080/dist/plugin/'
}
});
}
// minified builds
if (options.minify) {
mergeDeep(config, {
plugins: [
new webpack.optimize.UglifyJsPlugin({
sourceMap: true
}),
bannerPlugin
]
});
// rename outputs
if (options.plugins) {
mergeDeep(config, {
output: {
filename: 'wavesurfer.[name].min.js'
}
});
} else if (options.htmlinit) {
mergeDeep(config, {
output: {
filename: 'wavesurfer-[name].min.js'
}
});
} else {
mergeDeep(config, {
output: {
filename: '[name].min.js'
}
})
}
}
}
return config
}